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Date: Wed, 01 Oct 2014 15:44:11 +0200
From: Benoit Claise <bclaise@cisco.com>
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To: Tina TSOU <Tina.Tsou.Zouting@huawei.com>, Georgios Karagiannis <georgios.karagiannis@huawei.com>, Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
References: <C0E0A32284495243BDE0AC8A066631A81856A6DF@szxeml557-mbs.china.huawei.com> <C347C68E-7DB4-43D2-883A-5E17EE9F0058@huawei.com> <338BDC47F10D414AB0BC843C4D5DCFE085CE25@SJCEML701-CHM.china.huawei.com> <B45406D1-2745-44AE-9DD2-8CE280C1DF16@huawei.com> <C5034E44CD620A44971BAAEB372655DC63488A@LHREML516-MBX.china.huawei.com> <CAFxP68zx38bQCOVx1XNPnrpKDR5LFC_H-+G9a1msbay7FTGG=A@mail.gmail.com> <C5034E44CD620A44971BAAEB372655DC635757@LHREML516-MBX.china.huawei.com> <20140922134145.GC18011@elstar.local> <C5034E44CD620A44971BAAEB372655DC635824@LHREML516-MBX.china.huawei.com> <C0E0A32284495243BDE0AC8A066631A81858F497@szxeml557-mbs.china.huawei.com> <5421FAE9.1070105@cisco.com>
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Cc: Zhen Cao <zhencao.ietf@gmail.com>, "supa@ietf.org" <supa@ietf.org>
Subject: Re: [Supa] Area hand-off, and some friendly advice ...
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On 24/09/2014 00:57, Benoit Claise wrote:
> Tina, all,
>
> To make sure this comment is not lost at the end of this email, let me 
> make it upfront. I invite you to submit a BoF request to make your case.
> Note: the deadline is Sept 26th.
>
> Let's start from this figure, where NE= Network Element
>             ---------------------
>             | applications   |
>             ---------------------
>                          |                               <--- service 
> YANG models  /NETCONF interface
>             ---------------------
>             |   controller     |               <---  mapping services 
> to topology
>             ---------------------
>                 |       |        |                    <--- 
> device/feature specific YANG models / NETCONF interface
>             NE1    NE2   NEn
>
>
> What can the IETF possibly standardize?
> 1. Service YANG models  /NETCONF? Yes, for sure, and we should do this 
> full speed
OLD: Service YANG models  /NETCONF? Yes, for sure, and we should do this 
full speed
NEW: Device/Feature YANG models  /NETCONF? Yes, for sure, and we should 
do this full speed

Regards, Benoit
> 2. Mapping services to topology? Potentially, but that's not an easy task
> 3. service YANG models  /NETCONF? I'm not convinced we could 
> standardize them, as they are operators specific, and will be evolving 
> along the time. There are many different ways to configure a VPN, for 
> example.
>
> See in-line
>> Dear all,
>>
>> Hope this version of draft charter address most of the comments from 
>> the list.
>>
>> ------
>>
>> SUPA (Shared Unified Policy Automation)
>> Target Area: OPS
>>
>>
>> Description of Working Group:
>>
>> Network operators are faced with networks of increasing size and 
>> complexity while trying to improve their quality and availability, as 
>> more and more services depend on them. Programmatic ways to configure 
>> networks, often called software-defined, are considered by many 
>> network operators in order to shift the balance in their favor.
>>
>> Automating the way of exposing a view of the network to applications 
>> may provide significant improvements in configuration agility, error 
>> detection and uptime for operators. However the real value behind 
>> central configuration schemes lies within the possible simplification 
>> through models provided by such systems to applications and network 
>> services running above them (on the so-called northbound side). 
>> Well-designed models are able to provide a wide range of granularity 
>> for various applications and network services needs, from the 
>> lower-level physical network to high-level application services.
>>
>> Although several organizations outside of the IETF have defined 
>> various schemes for the configuration of network devices and specific 
>> network controllers, none of them offer a vendor-neutral standardized 
>> way for applications and network services to transmit their needs to 
>> controllers.
> Isn't it simply because the industry has not standardized their 
> services?  See above.
>> The SUPA (Shared Unified Policy Automation) working group will work 
>> on the definition of such as standardized interface for applications 
>> and network services to communicate with network controllers of all 
>> types.
> What is a standardized interface?
> Is "service YANG models  /NETCONF (or potentially RESTCONF)"? Or is it 
> something else?
>>
>> The specification of the interface towards end user apllications is 
>> initially not in the scope of SUPA.
> Here you lost me.
> Which interface do you mean in figure above?
>
>> In particular, as starting point, SUPA will only focus on network 
>> services, which are enhanced Operational Support System (OSS) like 
>> services that help a communication service provider to monitor, 
>> control, analyze and manage a communication network. The systems that 
>> are runniung such network services are denoted in this document as 
>> Network Service Systems.
>> Each network service can be represented by a classified application 
>> based POLICY model, since it can model the group of demands which are 
>> SHARED and UNIFIED and are coming from a bundle of applications that 
>> impose similar requirements on the communication network.
> I'm afraid I don't understand (like Jürgen)
>>
>> The main goal of SUPA is to provide a way for applications and for 
>> network services to specify SHARED application based POLICIES to the 
>> network infrastructure using a simplified view of the network. This 
>> can be realized by:
>> (1) modeling the network infrastructure as an simplified network 
>> graph using a modeling language such
>> as YANG,
>
>> (2) transporting model instances either using NETCONF or RESTCONF and 
>> (3) providing guidelines on AUTOMATICALLY mapping policies to 
>> attributes of the network graphs.
>>
>> Although some IETF working groups have started work relating to the 
>> description of various topologies such as I2RS (L3and routing 
>> topologies), ALTO (cost maps), SFC (service chain), none of these 
>> groups aim at offering truly generic topology models for the standard 
>> northbound interface.
>> SUPA will work on defining interfaces based on the concept of network 
>> graph, an entity describing an arbitrary topology of nodes and links 
>> at any level of granularity. Such a graph may describe, for example, 
>> a physical topology, a service topology or the relationships between 
>> datacenters. Any network topology data models or policy models that 
>> have been defined (or are being defined) within the IETF will be 
>> reused in SUPA as much as possible.
>> In addition to the above, policies may be defined and applied to a 
>> network graph. These application based policies are actions or 
>> constraints generated by Network Service Systems. They are then 
>> mapped from the network graph instance into specific network 
>> management policies toward network components.
>>
>> Work items for SUPA include:
>>
>> 1) The definition of a standardized model for a network graph, using 
>> YANG. This model may be used to describe topologies at any functional 
>> layer, from physical networks to network services.
>> Any network topology data models or policy models that have been 
>> defined (or are being defined) within the IETF will be reused in SUPA 
>> as much as possible.
> So basically, you "just" want a topology database ...
> http://tools.ietf.org/html/draft-clemm-netmod-yang-network-topo-01
> http://datatracker.ietf.org/doc/draft-contreras-supa-yang-network-topo/
> ... and a way to map services to it.
> The topology is kind of easy, the mapping is way harder!
>>
>> 2) The definition and standardization of a number of basic policy and 
>> data models using network graphs. These might include, but are not 
>> limited to L3VPNs, datacenters, traffic engineering, implementation 
>> of IPv6 transition mechanism and their enforcement to users.
> Are these examples of SHARED and UNIFIED policies?
>
> Regards, Benoit (OPS AD)
>>
>> 3) Guidelines on how to use NETCONF (or RESTCONF) authentication and 
>> authorization mechanisms to achieve protection and isolation
>>
>> 4) Guidelines for automatic mapping policies to attributes of the 
>> network graphs.
>>
>>
>> The following items are out of the SUPA scope:
>>
>> o) specification of the network management and controlling policies 
>> and their associated device configuration models
>>
>>
>> Milestones:
>>
>> o) Produce 'Problem Statement and Use Cases' as an Informational RFC.
>>
>> o) Produce a document specifying the YANG models for a generic 
>> multi-layer network graph, as Protocol Specification' Standards Track 
>> RFC.
>>
>> o) Produce several documents describing different views of a 
>> communication network by using the network graph model defined above, 
>> which includes policy and data models, as Protocol Specifications' 
>> Standards Track RFCs.
>>
>> o) Produce a document on defining the SUPA NETCON/YANG or RESTCONF 
>> (or RESTCONF/YANG) containers, as Protocol Specification' Standards 
>> Track RFC.
>>      o) Produce a document that provides the guidelines on using 
>> NETCONF (or RESTCONF) authentication and authorization mechanisms to 
>> achieve security protection and isolation' as an Informational RFC.
>>
>> o) Produce a document that provides the guidelines for for automatic 
>> mapping policies to attributes of the network graphs.
>>
>> -----------
>>
>>
>> Thank you,
>> Tina
>>
>>
>> -----Original Message-----
>> From: Georgios Karagiannis
>> Sent: Tuesday, September 23, 2014 4:18 AM
>> To: Juergen Schoenwaelder
>> Cc: Zhen Cao; Tina TSOU; supa@ietf.org
>> Subject: RE: [Supa] Area hand-off, and some friendly advice ...
>>
>> Hi Juergen,
>>
>> Okay, thanks for your recommendation!
>>
>> Best regards,
>> Georgios
>>
>>
>> -----Original Message-----
>> From: Juergen Schoenwaelder 
>> [mailto:j.schoenwaelder@jacobs-university.de]
>> Sent: Monday, September 22, 2014 3:42 PM
>> To: Georgios Karagiannis
>> Cc: Zhen Cao; Tina TSOU; supa@ietf.org
>> Subject: Re: [Supa] Area hand-off, and some friendly advice ...
>>
>> On Mon, Sep 22, 2014 at 01:27:08PM +0000, Georgios Karagiannis wrote:
>>> o) emphasize that regarding policy, enhancements of the YANG xPath 
>>> expression might be required.
>>>
>> I am wondering what this is or why this would be needed. At the 
>> charter level, you may need to talk about defining data models to 
>> express policy. I do not see why that would need to enhancements of 
>> YANG's usage of xpath.
>>
>> /js
>>
>
> _______________________________________________
> Supa mailing list
> Supa@ietf.org
> https://www.ietf.org/mailman/listinfo/supa
> .
>


From nobody Wed Oct  1 17:47:14 2014
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To: Tina.Tsou.Zouting@huawei.com
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Cc: luismiguel.contrerasmurillo@telefonica.com, andrew.qu@mediatek.com, supa@ietf.org
Subject: Re: [Supa] Comments on draft-contreras-supa-yang-network-topo-00
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Hi,

Tina TSOU <Tina.Tsou.Zouting@huawei.com> wrote:
> Dear Martin,
> 
> We discussed off-line how the supa topology draft is related to the
> i2rs topology draft, I feel it is worthy to bring it to the list for
> broader audience.
> 
> This draft
> http://datatracker.ietf.org/doc/draft-hares-i2rs-info-model-service-topo/

I was also thinking about this draft:
http://tools.ietf.org/id/draft-clemm-netmod-yang-network-topo-01.txt

... which I now realize was posted as not as i2rs, but netmod.


/martin



> also focused on network topology information model which is also
> within the scope of SUPA topology model. However, besides the common
> interests at topology model, there are still significant differences
> between the two.
> 
> 1.  The I2RS topology model is based on a service topology which is
> closely related to certain service. And the service topology can be
> dedicated to one tenant or multiple tenants. For SUPA, different
> layers have different views or representations of the same network
> topology. Multiple users may not "share" the same topology but use
> their own topology at their own layer.
> 
> 
> 
> 2.  The I2RS topology model use service topologies which should be
> independent from network topology and therefore should not map onto
> other underlay topologies. The SUPA topology model is a unified
> topology model to support service at all levels. Each level can have
> its own representation of the topology.
> 
> 
> 3.  There is no YANG based topology model in this I2RS draft yet. SUPA
> has a well defined YANG data model to describe the topology.
> 
> All in all, the two drafts have something in common and the basic
> principals are very close. IMO, service topology can be one use case
> for SUPA topology model to be used in BGP, OSPF and so on.
> 
> 
> Thank you,
> Tina
> 
> From: Supa [mailto:supa-bounces@ietf.org] On Behalf Of Tina TSOU
> Sent: Sunday, September 28, 2014 12:30 PM
> To: LUIS MIGUEL CONTRERAS MURILLO; andrew.qu@mediatek.com
> Cc: supa@ietf.org
> Subject: [Supa] Comments on draft-contreras-supa-yang-network-topo-00
> 
> Dear Luis, Andrew et al,
> 
> Thank you for writing such a concrete model.
> 
> I read
> draft-contreras-supa-yang-network-topo-00<http://datatracker.ietf.org/doc/draft-contreras-supa-yang-network-topo/>. It
> is well written. Below are some comments.
> 
> The basic idea of this draft is very good, and I can understand what
> the author tries to say. However still, more clarification is needed
> especially for some definitions.
> 
> 1.  In section 4.2, there are "virtual node" and "container node",
> what is difference between these two kinds of nodes? For the virtual
> node, it is more understandable that it is the virtualization of the
> physical node or nodes. But for the container node, it can be a group
> of nodes or only one node. What is the necessity to define such a
> container node, is it domain specific or a general idea for all the
> use cases?
> 
> 
> 
> 2.  Would you elaborate one use case for the container node? In order
> to demonstrate the insufficiency of virtual node to cover the
> application or use cases, show one use case that the container node
> idea is necessary.
> 
> 
> 3.  In section 4.2, there is also some external links or nodes
> definition, what is the purpose for that? Are they external for the
> user or the up level controller?
> 
> 
> 4.       In first figure of section 4
>                   +-------------------------+
>                   |                         |
>                   |       topology          |
>                   |                         |
>                   +-+-+----+---------+--+-+-+
>                     | |    |         |  | |
>                     | |    |         |  | |
>                     | |    |         |  | |
>                     | |    |         |  | |
>       +------------+ |    |         |  | |
>        |              |    |         |  | +------------------+
>        |        +-----+    |         |  +--------+           |
>        |        |          |         +-+         |           |
>        |        |          |           |         |           |
>     +--+---+ +--+---+ +----+------++---+---+ +---+---+ +-----+-----+
>     |link  | |node  | |termination||extLink| |extNode| |extTerminat|
>     +------+ +------+ |Point      |+-------+ +-------+ |ionPoint   |
>                       +-----------+                    +-----------+
> 
> How can the unified topology be mapped into different applications or
> users? I guess you need to map this topology, if this is the only one
> topology, to different applications in order to make it work.
> 
> 
> Thank you,
> Tina
> 


From nobody Thu Oct  2 04:03:22 2014
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Dear all,

Thank you very much for your detailed comments on the supa configuration
draft. we will update the draft based on your comments and send the updated
version again to for another quick review.


Thanks again.

Best regards,
Ade Zaalok.

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<div dir=3D"ltr"><div>Dear all, <br><br></div><div>Thank you very much for =
your detailed comments on the supa configuration draft. we will update the =
draft based on your comments and send the updated version again to for anot=
her quick review. <br><br><br></div><div>Thanks again. <br><br></div><div>B=
est regards, <br>Ade Zaalok. <br></div></div>

--001a1134ca3a6e553f05046e901c--


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Dear all,

After a lengthy discussion during the BoF coordination call, the IESG 
and IAB have decided not to approve the SUPA BoF.
The work was not considered mature enough to allocate BoF time.

However, it doesn't not mean that you should stop working on SUPA.
Below are 5 starting points, which you should consider as positive remarks.
I'm committed to help on those points, potentially with a webex call.


1. I believe that you should do a better job explaining your problem 
statement and what you actually want to standardize, what the desired 
outcomes are.
The charter mentions (took some excerpts):

    The SUPA (Shared Unified Policy Automation) working group will work
    on the definition of such a standardized interface for applications
    and network services to communicate with network controllers of all
    types.

    In particular, SUPA will focus on service specific models that allow
    applications to request certain network services to be
    created/deleted/modified.

    The terms "UNIFIED" and "SHARED" used in the SUPA abbreviation,
    relate to the way the service policy model is generated, since it
    groups, unifies and shares the similar requirements imposed by a
    bulk of applications.
                         Benoit: I still have no idea what you mean here.

    SUPA will provide guidelines for mechanisms that can dynamically and
    in an interoperable manner, AUTOMATICALLY map services and policies
    defined on an abstract topology graph down to more detailed network
    graphs and specific network management and controlling policies.

    SUPA will work on defining vendor-neutral standardized interfaces
    based on the concept of network graph, an entity describing an
    arbitrary topology of nodes and links at any level of granularity.
                         Benoit: I still have no idea what you mean here.

    SUPA will ensure that in case any specific NETCONF/RESTCONF protocol
    requirements are identified
                         Benoit: I have no idea why you would need
    NETCONF/RESTCONF protocol extensions here.

It seems that you have all the buzzwords, and that's actually a 
drawback, because you are all over the map (including the use cases).
I've been trying to divide the problem and guide the discussion with my 
message to the list. For example,

             ---------------------
             |    applications   |
             ---------------------

                     | <--- service YANG models /NETCONF interface

             ---------------------

             |     controller    | <--- mapping services to topology

             ---------------------

              |      |      | <--- device/feature specific YANG models / 
NETCONF interface

             NE1    NE2   NEn

... but I'm not sure I've been successful.


2. Interaction with the different WGs must be explained/understood.
Coming back to the deliverables, I understand that you want a topology. 
How is this different than the topology being worked on in I2RS? (I see 
now that this was addressed on the mailing list recentl)

 From one of Georgios's email, I see this deliverable:

    2) The definition and standardization of a number of basic policy and data models using network graphs. These might include, but are not limited to L3VPNs, traffic engineering, implementation of IPv6 transition mechanism and their enforcement to users.

First of, these are very broad deliverables, but also, what is the 
connection with the BESS proposed WG at 
https://datatracker.ietf.org/wg/bess/charter/ . It mentions:

    - Data models for modeling, managing, and operating BGP-based services
    using SMI or YANG.


3. Are the deliverables not too much of a research type?
 From one of Georgios's email, can you actually standardize such a 
deliverable?

    3) Provide guidelines for mechanisms that can dynamically and automatically map services and policies defined on an abstract topology graph down to more detailed network graphs and specific network management and controlling policies.


4. You should get other people in your community to support this effort.

5. Open question: is there a willingness in the industry to standardize 
services models, knowing that all operators will have slightly different 
services?
In one of Tina's email, I see: "The IESG suggested network management 
services, especially distributed data center services, before Toronto.". 
I'm not too sure what you are referring to.

Regards, Benoit (OPS AD)

--------------000901070300070809030100
Content-Type: text/html; charset=ISO-8859-1
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<html>
  <head>

    <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1">
  </head>
  <body bgcolor="#FFFFFF" text="#000000">
    Dear all,<br>
    <br>
    After a lengthy discussion during the BoF coordination call, the
    IESG and IAB have decided not to approve the SUPA BoF.<br>
    The work was not considered mature enough to allocate BoF time. <br>
    <br>
    However, it doesn't not mean that you should stop working on SUPA. <br>
    Below are 5 starting points, which you should consider as positive
    remarks.<br>
    I'm committed to help on those points, potentially with a webex
    call.<br>
    <br>
    <br>
    1. I believe that you should do a better job explaining your problem
    statement and what you actually want to standardize, what the
    desired outcomes are.<br>
    The charter mentions (took some excerpts):<br>
    <blockquote>The SUPA (Shared Unified Policy Automation) working
      group will work on the definition of such <font color="#ff0000">a
        standardized interface for applications and network services to
        communicate with network controllers of all types.</font><br>
      <br>
      In particular, SUPA will focus on <font color="#ff0000">service
        specific models</font> that allow applications to <font
        color="#ff0000">request certain network services to be
        created/deleted/modified. <br>
      </font><br>
      <font color="#ff0000">The terms "UNIFIED" and "SHARED" used in the
        SUPA abbreviation, relate to the way the service policy model is
        generated, since it groups, unifies and shares the similar
        requirements imposed by a bulk of applications.</font><br>
      &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Benoit: I still have no idea what you mean
      here.<br>
    </blockquote>
    <blockquote>SUPA will provide <font color="#ff0000">guidelines </font>for
      mechanisms that can dynamically and in an interoperable manner,
      AUTOMATICALLY <font color="#ff0000">map services and policies
        defined on an abstract topology graph</font> down to more
      detailed network graphs and specific network management and
      controlling policies.<br>
      <br>
      SUPA will work on defining <font color="#ff0000">vendor-neutral
        standardized interfaces based on the concept of network graph,
        an entity describing an arbitrary topology of nodes and links at
        any level of granularity. </font><br>
      &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Benoit: I still have no idea what you mean
      here.<br>
      <br>
      SUPA will ensure that in case any specific NETCONF/RESTCONF
      protocol requirements are identified<br>
      &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Benoit: I have no idea why you would need
      NETCONF/RESTCONF protocol extensions here.<br>
    </blockquote>
    It seems that you have all the buzzwords, and that's actually a
    drawback, because you are all over the map (including the use
    cases).<br>
    I've been trying to divide the problem and guide the discussion with
    my message to the list. For example,<br>
    <pre style="margin: 0em;">
            ---------------------
            |    applications   |
            ---------------------
</pre>
    <tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; | &lt;--- service </tt><tt>YANG models
      /NETCONF interface
    </tt>
    <pre style="margin: 0em;">            ---------------------
</pre>
    <tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nbsp; controller &nbsp;&nbsp; | &lt;--- mapping services </tt><tt>to
      topology
    </tt>
    <pre style="margin: 0em;">            ---------------------
</pre>
    <tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; | &nbsp; &nbsp;&nbsp; | &nbsp; &nbsp;&nbsp; | &lt;--- </tt><tt>device/feature
      specific YANG models / NETCONF interface
    </tt>
    <pre style="margin: 0em;">            NE1    NE2   NEn

</pre>
    ... but I'm not sure I've been successful.<br>
    <br>
    <br>
    2. Interaction with the different WGs must be explained/understood.<br>
    Coming back to the deliverables, I understand that you want a
    topology. How is this different than the topology being worked on in
    I2RS? (I see now that this was addressed on the mailing list
    recentl)<br>
    <br>
    From one of Georgios's email, I see this deliverable:<br>
    <blockquote>
      <pre wrap="">2) The definition and standardization of a number of basic policy and data models using network graphs. These might include, but are not limited to L3VPNs, traffic engineering, implementation of IPv6 transition mechanism and their enforcement to users.  </pre>
    </blockquote>
    First of, these are very broad deliverables, but also, what is the
    connection with the BESS proposed WG at
    <a class="moz-txt-link-freetext" href="https://datatracker.ietf.org/wg/bess/charter/">https://datatracker.ietf.org/wg/bess/charter/</a> . It mentions:<br>
    <blockquote>- Data models for modeling, managing, and operating
      BGP-based services<br>
      using SMI or YANG.</blockquote>
    <br>
    3. Are the deliverables not too much of a research type?<br>
    From one of Georgios's email, can you actually standardize such a
    deliverable?<br>
    <blockquote>
      <pre wrap="">3) Provide guidelines for mechanisms that can dynamically and automatically map services and policies defined on an abstract topology graph down to more detailed network graphs and specific network management and controlling policies.</pre>
    </blockquote>
    <br>
    4. You should get other people in your community to support this
    effort.<br>
    <br>
    5. Open question: is there a willingness in the industry to
    standardize services models, knowing that all operators will have
    slightly different services?<br>
    In one of Tina's email, I see: "The IESG suggested network
    management services, especially distributed data center services,
    before Toronto.". I'm not too sure what you are referring to.<br>
    <br>
    Regards, Benoit (OPS AD)<br>
  </body>
</html>

--------------000901070300070809030100--


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From: Tina TSOU <Tina.Tsou.Zouting@huawei.com>
To: Benoit Claise <bclaise@cisco.com>
Thread-Topic: [Supa] SUPA BoF not approved
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Subject: Re: [Supa] SUPA BoF not approved
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Dear Benoit,

Thank you for your clear advice.

For point 5, it referred to Spencer's email to the list before Toronto meet=
ing, about the IESG discussion on the APONF, suggestion it focus on network=
 management applications e.g OSS, Distribution Data Center application.

When is the WebEx meeting?


Thank you,
Tina

On Oct 4, 2014, at 12:03 AM, "Benoit Claise" <bclaise@cisco.com<mailto:bcla=
ise@cisco.com>> wrote:

Dear all,

After a lengthy discussion during the BoF coordination call, the IESG and I=
AB have decided not to approve the SUPA BoF.
The work was not considered mature enough to allocate BoF time.

However, it doesn't not mean that you should stop working on SUPA.
Below are 5 starting points, which you should consider as positive remarks.
I'm committed to help on those points, potentially with a webex call.


1. I believe that you should do a better job explaining your problem statem=
ent and what you actually want to standardize, what the desired outcomes ar=
e.
The charter mentions (took some excerpts):
The SUPA (Shared Unified Policy Automation) working group will work on the =
definition of such a standardized interface for applications and network se=
rvices to communicate with network controllers of all types.

In particular, SUPA will focus on service specific models that allow applic=
ations to request certain network services to be created/deleted/modified.

The terms "UNIFIED" and "SHARED" used in the SUPA abbreviation, relate to t=
he way the service policy model is generated, since it groups, unifies and =
shares the similar requirements imposed by a bulk of applications.
                    Benoit: I still have no idea what you mean here.
SUPA will provide guidelines for mechanisms that can dynamically and in an =
interoperable manner, AUTOMATICALLY map services and policies defined on an=
 abstract topology graph down to more detailed network graphs and specific =
network management and controlling policies.

SUPA will work on defining vendor-neutral standardized interfaces based on =
the concept of network graph, an entity describing an arbitrary topology of=
 nodes and links at any level of granularity.
                    Benoit: I still have no idea what you mean here.

SUPA will ensure that in case any specific NETCONF/RESTCONF protocol requir=
ements are identified
                    Benoit: I have no idea why you would need NETCONF/RESTC=
ONF protocol extensions here.
It seems that you have all the buzzwords, and that's actually a drawback, b=
ecause you are all over the map (including the use cases).
I've been trying to divide the problem and guide the discussion with my mes=
sage to the list. For example,

            ---------------------
            |    applications   |
            ---------------------


                    | <--- service YANG models /NETCONF interface

            ---------------------


            |     controller    | <--- mapping services to topology

            ---------------------


             |      |      | <--- device/feature specific YANG models / NET=
CONF interface

            NE1    NE2   NEn



... but I'm not sure I've been successful.


2. Interaction with the different WGs must be explained/understood.
Coming back to the deliverables, I understand that you want a topology. How=
 is this different than the topology being worked on in I2RS? (I see now th=
at this was addressed on the mailing list recentl)

>From one of Georgios's email, I see this deliverable:

2) The definition and standardization of a number of basic policy and data =
models using network graphs. These might include, but are not limited to L3=
VPNs, traffic engineering, implementation of IPv6 transition mechanism and =
their enforcement to users.

First of, these are very broad deliverables, but also, what is the connecti=
on with the BESS proposed WG at https://datatracker.ietf.org/wg/bess/charte=
r/ . It mentions:
- Data models for modeling, managing, and operating BGP-based services
using SMI or YANG.

3. Are the deliverables not too much of a research type?
>From one of Georgios's email, can you actually standardize such a deliverab=
le?

3) Provide guidelines for mechanisms that can dynamically and automatically=
 map services and policies defined on an abstract topology graph down to mo=
re detailed network graphs and specific network management and controlling =
policies.

4. You should get other people in your community to support this effort.

5. Open question: is there a willingness in the industry to standardize ser=
vices models, knowing that all operators will have slightly different servi=
ces?
In one of Tina's email, I see: "The IESG suggested network management servi=
ces, especially distributed data center services, before Toronto.". I'm not=
 too sure what you are referring to.

Regards, Benoit (OPS AD)

--_000_3505AFA9D64B460F983B6890D4BC0B4Ehuaweicom_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable

<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"=
>
</head>
<body dir=3D"auto">
<div>Dear Benoit,</div>
<div><br>
</div>
<div>Thank you for your clear advice.</div>
<div><br>
</div>
<div>For point 5, it referred to Spencer's email to the list before Toronto=
 meeting, about the IESG discussion on the APONF, suggestion it focus on ne=
twork management applications e.g OSS, Distribution Data Center application=
.</div>
<div><br>
</div>
<div>When is the WebEx meeting?</div>
<div><br>
</div>
<div>
<div><br>
</div>
<div>Thank you,</div>
<div>Tina</div>
</div>
<div><br>
On Oct 4, 2014, at 12:03 AM, &quot;Benoit Claise&quot; &lt;<a href=3D"mailt=
o:bclaise@cisco.com">bclaise@cisco.com</a>&gt; wrote:<br>
<br>
</div>
<blockquote type=3D"cite">
<div>Dear all,<br>
<br>
After a lengthy discussion during the BoF coordination call, the IESG and I=
AB have decided not to approve the SUPA BoF.<br>
The work was not considered mature enough to allocate BoF time. <br>
<br>
However, it doesn't not mean that you should stop working on SUPA. <br>
Below are 5 starting points, which you should consider as positive remarks.=
<br>
I'm committed to help on those points, potentially with a webex call.<br>
<br>
<br>
1. I believe that you should do a better job explaining your problem statem=
ent and what you actually want to standardize, what the desired outcomes ar=
e.<br>
The charter mentions (took some excerpts):<br>
<blockquote>The SUPA (Shared Unified Policy Automation) working group will =
work on the definition of such
<font color=3D"#ff0000">a standardized interface for applications and netwo=
rk services to communicate with network controllers of all types.</font><br=
>
<br>
In particular, SUPA will focus on <font color=3D"#ff0000">service specific =
models</font> that allow applications to
<font color=3D"#ff0000">request certain network services to be created/dele=
ted/modified.
<br>
</font><br>
<font color=3D"#ff0000">The terms &quot;UNIFIED&quot; and &quot;SHARED&quot=
; used in the SUPA abbreviation, relate to the way the service policy model=
 is generated, since it groups, unifies and shares the similar requirements=
 imposed by a bulk of applications.</font><br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;=
 &nbsp;&nbsp;&nbsp; Benoit: I still have no idea what you mean here.<br>
</blockquote>
<blockquote>SUPA will provide <font color=3D"#ff0000">guidelines </font>for=
 mechanisms that can dynamically and in an interoperable manner, AUTOMATICA=
LLY
<font color=3D"#ff0000">map services and policies defined on an abstract to=
pology graph</font> down to more detailed network graphs and specific netwo=
rk management and controlling policies.<br>
<br>
SUPA will work on defining <font color=3D"#ff0000">vendor-neutral standardi=
zed interfaces based on the concept of network graph, an entity describing =
an arbitrary topology of nodes and links at any level of granularity.
</font><br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;=
 &nbsp;&nbsp;&nbsp; Benoit: I still have no idea what you mean here.<br>
<br>
SUPA will ensure that in case any specific NETCONF/RESTCONF protocol requir=
ements are identified<br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;=
 &nbsp;&nbsp;&nbsp; Benoit: I have no idea why you would need NETCONF/RESTC=
ONF protocol extensions here.<br>
</blockquote>
It seems that you have all the buzzwords, and that's actually a drawback, b=
ecause you are all over the map (including the use cases).<br>
I've been trying to divide the problem and guide the discussion with my mes=
sage to the list. For example,<br>
<pre style=3D"margin: 0em;">            ---------------------
            |    applications   |
            ---------------------
</pre>
<tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; | &lt;--- service </tt><tt>YANG=
 models /NETCONF interface </tt>
<pre style=3D"margin: 0em;">            ---------------------
</pre>
<tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&=
nbsp;&nbsp; controller &nbsp;&nbsp; | &lt;--- mapping services </tt><tt>to =
topology </tt>
<pre style=3D"margin: 0em;">            ---------------------
</pre>
<tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
; | &nbsp; &nbsp;&nbsp; | &nbsp; &nbsp;&nbsp; | &lt;--- </tt><tt>device/fea=
ture specific YANG models / NETCONF interface
</tt>
<pre style=3D"margin: 0em;">            NE1    NE2   NEn

</pre>
... but I'm not sure I've been successful.<br>
<br>
<br>
2. Interaction with the different WGs must be explained/understood.<br>
Coming back to the deliverables, I understand that you want a topology. How=
 is this different than the topology being worked on in I2RS? (I see now th=
at this was addressed on the mailing list recentl)<br>
<br>
>From one of Georgios's email, I see this deliverable:<br>
<blockquote>
<pre wrap=3D"">2) The definition and standardization of a number of basic p=
olicy and data models using network graphs. These might include, but are no=
t limited to L3VPNs, traffic engineering, implementation of IPv6 transition=
 mechanism and their enforcement to users.  </pre>
</blockquote>
First of, these are very broad deliverables, but also, what is the connecti=
on with the BESS proposed WG at
<a class=3D"moz-txt-link-freetext" href=3D"https://datatracker.ietf.org/wg/=
bess/charter/">
https://datatracker.ietf.org/wg/bess/charter/</a> . It mentions:<br>
<blockquote>- Data models for modeling, managing, and operating BGP-based s=
ervices<br>
using SMI or YANG.</blockquote>
<br>
3. Are the deliverables not too much of a research type?<br>
>From one of Georgios's email, can you actually standardize such a deliverab=
le?<br>
<blockquote>
<pre wrap=3D"">3) Provide guidelines for mechanisms that can dynamically an=
d automatically map services and policies defined on an abstract topology g=
raph down to more detailed network graphs and specific network management a=
nd controlling policies.</pre>
</blockquote>
<br>
4. You should get other people in your community to support this effort.<br=
>
<br>
5. Open question: is there a willingness in the industry to standardize ser=
vices models, knowing that all operators will have slightly different servi=
ces?<br>
In one of Tina's email, I see: &quot;The IESG suggested network management =
services, especially distributed data center services, before Toronto.&quot=
;. I'm not too sure what you are referring to.<br>
<br>
Regards, Benoit (OPS AD)<br>
</div>
</blockquote>
<blockquote type=3D"cite">
<div></div>
</blockquote>
</body>
</html>

--_000_3505AFA9D64B460F983B6890D4BC0B4Ehuaweicom_--


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References: <542EC8D6.7020105@cisco.com> <3505AFA9-D64B-460F-983B-6890D4BC0B4E@huawei.com>
Date: Fri, 3 Oct 2014 23:48:06 -0700
Message-ID: <CANgDFrMFOJhbtkBg_2rNio37eon0Rk6sa8i=npWTvUSh5UQ4hQ@mail.gmail.com>
From: Parviz Yegani <pyegani@gmail.com>
To: Tina TSOU <Tina.Tsou.Zouting@huawei.com>
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Cc: Benoit Claise <bclaise@cisco.com>, Dawkins Spencer <spencerdawkins.ietf@gmail.com>, "supa@ietf.org" <supa@ietf.org>
Subject: Re: [Supa] SUPA BoF not approved
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--f46d043c814a66ca110504933b14
Content-Type: text/plain; charset=UTF-8

Hi, Benoit,

Thanks for your detailed comments. Yes, it's a good idea to discuss the
issues you raised on the phone (a teleconf meeting). I've had problems with
WebEx lately and will be happy to provide the bridge facility for this call.

Please let me know when is a good time for you and others who want to join.

Thanks,
Parviz

On Fri, Oct 3, 2014 at 5:21 PM, Tina TSOU <Tina.Tsou.Zouting@huawei.com>
wrote:

>  Dear Benoit,
>
>  Thank you for your clear advice.
>
>  For point 5, it referred to Spencer's email to the list before Toronto
> meeting, about the IESG discussion on the APONF, suggestion it focus on
> network management applications e.g OSS, Distribution Data Center
> application.
>
>  When is the WebEx meeting?
>
>
>  Thank you,
> Tina
>
> On Oct 4, 2014, at 12:03 AM, "Benoit Claise" <bclaise@cisco.com> wrote:
>
>  Dear all,
>
> After a lengthy discussion during the BoF coordination call, the IESG and
> IAB have decided not to approve the SUPA BoF.
> The work was not considered mature enough to allocate BoF time.
>
> However, it doesn't not mean that you should stop working on SUPA.
> Below are 5 starting points, which you should consider as positive remarks.
> I'm committed to help on those points, potentially with a webex call.
>
>
> 1. I believe that you should do a better job explaining your problem
> statement and what you actually want to standardize, what the desired
> outcomes are.
> The charter mentions (took some excerpts):
>
> The SUPA (Shared Unified Policy Automation) working group will work on the
> definition of such a standardized interface for applications and network
> services to communicate with network controllers of all types.
>
> In particular, SUPA will focus on service specific models that allow
> applications to request certain network services to be
> created/deleted/modified.
>
> The terms "UNIFIED" and "SHARED" used in the SUPA abbreviation, relate to
> the way the service policy model is generated, since it groups, unifies and
> shares the similar requirements imposed by a bulk of applications.
>                     Benoit: I still have no idea what you mean here.
>
> SUPA will provide guidelines for mechanisms that can dynamically and in
> an interoperable manner, AUTOMATICALLY map services and policies defined
> on an abstract topology graph down to more detailed network graphs and
> specific network management and controlling policies.
>
> SUPA will work on defining vendor-neutral standardized interfaces based
> on the concept of network graph, an entity describing an arbitrary topology
> of nodes and links at any level of granularity.
>                     Benoit: I still have no idea what you mean here.
>
> SUPA will ensure that in case any specific NETCONF/RESTCONF protocol
> requirements are identified
>                     Benoit: I have no idea why you would need
> NETCONF/RESTCONF protocol extensions here.
>
> It seems that you have all the buzzwords, and that's actually a drawback,
> because you are all over the map (including the use cases).
> I've been trying to divide the problem and guide the discussion with my
> message to the list. For example,
>
>             ---------------------
>             |    applications   |
>             ---------------------
>
>                     | <--- service YANG models /NETCONF interface
>
>             ---------------------
>
>             |     controller    | <--- mapping services to topology
>
>             ---------------------
>
>              |      |      | <--- device/feature specific YANG models /
> NETCONF interface
>
>             NE1    NE2   NEn
>
>
> ... but I'm not sure I've been successful.
>
>
> 2. Interaction with the different WGs must be explained/understood.
> Coming back to the deliverables, I understand that you want a topology.
> How is this different than the topology being worked on in I2RS? (I see now
> that this was addressed on the mailing list recentl)
>
> >From one of Georgios's email, I see this deliverable:
>
> 2) The definition and standardization of a number of basic policy and data models using network graphs. These might include, but are not limited to L3VPNs, traffic engineering, implementation of IPv6 transition mechanism and their enforcement to users.
>
>  First of, these are very broad deliverables, but also, what is the
> connection with the BESS proposed WG at
> https://datatracker.ietf.org/wg/bess/charter/ . It mentions:
>
> - Data models for modeling, managing, and operating BGP-based services
> using SMI or YANG.
>
>
> 3. Are the deliverables not too much of a research type?
> >From one of Georgios's email, can you actually standardize such a
> deliverable?
>
> 3) Provide guidelines for mechanisms that can dynamically and automatically map services and policies defined on an abstract topology graph down to more detailed network graphs and specific network management and controlling policies.
>
>
> 4. You should get other people in your community to support this effort.
>
> 5. Open question: is there a willingness in the industry to standardize
> services models, knowing that all operators will have slightly different
> services?
> In one of Tina's email, I see: "The IESG suggested network management
> services, especially distributed data center services, before Toronto.".
> I'm not too sure what you are referring to.
>
> Regards, Benoit (OPS AD)
>
>
> _______________________________________________
> Supa mailing list
> Supa@ietf.org
> https://www.ietf.org/mailman/listinfo/supa
>
>


-- 
Dr. Parviz Yegani
(408) 759-1973 mobile
pyegani@gmail.com

--f46d043c814a66ca110504933b14
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Hi, Benoit,<div><br></div><div>Thanks for your detailed co=
mments. Yes, it&#39;s a good idea to discuss the issues you raised on the p=
hone (a teleconf meeting). I&#39;ve had problems with WebEx lately and will=
 be happy to provide the bridge facility for this call.</div><div><br></div=
><div>Please let me know when is a good time for you and others who want to=
 join.=C2=A0</div><div><br></div><div>Thanks,</div><div>Parviz</div></div><=
div class=3D"gmail_extra"><br><div class=3D"gmail_quote">On Fri, Oct 3, 201=
4 at 5:21 PM, Tina TSOU <span dir=3D"ltr">&lt;<a href=3D"mailto:Tina.Tsou.Z=
outing@huawei.com" target=3D"_blank">Tina.Tsou.Zouting@huawei.com</a>&gt;</=
span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8e=
x;border-left:1px #ccc solid;padding-left:1ex">



<div dir=3D"auto">
<div>Dear Benoit,</div>
<div><br>
</div>
<div>Thank you for your clear advice.</div>
<div><br>
</div>
<div>For point 5, it referred to Spencer&#39;s email to the list before Tor=
onto meeting, about the IESG discussion on the APONF, suggestion it focus o=
n network management applications e.g OSS, Distribution Data Center applica=
tion.</div>
<div><br>
</div>
<div>When is the WebEx meeting?</div>
<div><br>
</div>
<div>
<div><br>
</div>
<div>Thank you,</div>
<div>Tina</div>
</div><div><div class=3D"h5">
<div><br>
On Oct 4, 2014, at 12:03 AM, &quot;Benoit Claise&quot; &lt;<a href=3D"mailt=
o:bclaise@cisco.com" target=3D"_blank">bclaise@cisco.com</a>&gt; wrote:<br>
<br>
</div>
<blockquote type=3D"cite">
<div>Dear all,<br>
<br>
After a lengthy discussion during the BoF coordination call, the IESG and I=
AB have decided not to approve the SUPA BoF.<br>
The work was not considered mature enough to allocate BoF time. <br>
<br>
However, it doesn&#39;t not mean that you should stop working on SUPA. <br>
Below are 5 starting points, which you should consider as positive remarks.=
<br>
I&#39;m committed to help on those points, potentially with a webex call.<b=
r>
<br>
<br>
1. I believe that you should do a better job explaining your problem statem=
ent and what you actually want to standardize, what the desired outcomes ar=
e.<br>
The charter mentions (took some excerpts):<br>
<blockquote>The SUPA (Shared Unified Policy Automation) working group will =
work on the definition of such
<font color=3D"#ff0000">a standardized interface for applications and netwo=
rk services to communicate with network controllers of all types.</font><br=
>
<br>
In particular, SUPA will focus on <font color=3D"#ff0000">service specific =
models</font> that allow applications to
<font color=3D"#ff0000">request certain network services to be created/dele=
ted/modified.
<br>
</font><br>
<font color=3D"#ff0000">The terms &quot;UNIFIED&quot; and &quot;SHARED&quot=
; used in the SUPA abbreviation, relate to the way the service policy model=
 is generated, since it groups, unifies and shares the similar requirements=
 imposed by a bulk of applications.</font><br>
=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0=
 =C2=A0=C2=A0=C2=A0 Benoit: I still have no idea what you mean here.<br>
</blockquote>
<blockquote>SUPA will provide <font color=3D"#ff0000">guidelines </font>for=
 mechanisms that can dynamically and in an interoperable manner, AUTOMATICA=
LLY
<font color=3D"#ff0000">map services and policies defined on an abstract to=
pology graph</font> down to more detailed network graphs and specific netwo=
rk management and controlling policies.<br>
<br>
SUPA will work on defining <font color=3D"#ff0000">vendor-neutral standardi=
zed interfaces based on the concept of network graph, an entity describing =
an arbitrary topology of nodes and links at any level of granularity.
</font><br>
=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0=
 =C2=A0=C2=A0=C2=A0 Benoit: I still have no idea what you mean here.<br>
<br>
SUPA will ensure that in case any specific NETCONF/RESTCONF protocol requir=
ements are identified<br>
=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0=
 =C2=A0=C2=A0=C2=A0 Benoit: I have no idea why you would need NETCONF/RESTC=
ONF protocol extensions here.<br>
</blockquote>
It seems that you have all the buzzwords, and that&#39;s actually a drawbac=
k, because you are all over the map (including the use cases).<br>
I&#39;ve been trying to divide the problem and guide the discussion with my=
 message to the list. For example,<br>
<pre style=3D"margin:0em">            ---------------------
            |    applications   |
            ---------------------
</pre>
<tt>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 | &lt;--- service </tt><tt>YA=
NG models /NETCONF interface </tt>
<pre style=3D"margin:0em">            ---------------------
</pre>
<tt>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =C2=A0 =C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=
=C2=A0=C2=A0 controller =C2=A0=C2=A0 | &lt;--- mapping services </tt><tt>to=
 topology </tt>
<pre style=3D"margin:0em">            ---------------------
</pre>
<tt>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0 | =C2=A0 =C2=A0=C2=A0 | =C2=A0 =C2=A0=C2=A0 | &lt;--- </tt><tt>device/f=
eature specific YANG models / NETCONF interface
</tt>
<pre style=3D"margin:0em">            NE1    NE2   NEn

</pre>
... but I&#39;m not sure I&#39;ve been successful.<br>
<br>
<br>
2. Interaction with the different WGs must be explained/understood.<br>
Coming back to the deliverables, I understand that you want a topology. How=
 is this different than the topology being worked on in I2RS? (I see now th=
at this was addressed on the mailing list recentl)<br>
<br>
&gt;From one of Georgios&#39;s email, I see this deliverable:<br>
<blockquote>
<pre>2) The definition and standardization of a number of basic policy and =
data models using network graphs. These might include, but are not limited =
to L3VPNs, traffic engineering, implementation of IPv6 transition mechanism=
 and their enforcement to users.  </pre>
</blockquote>
First of, these are very broad deliverables, but also, what is the connecti=
on with the BESS proposed WG at
<a href=3D"https://datatracker.ietf.org/wg/bess/charter/" target=3D"_blank"=
>
https://datatracker.ietf.org/wg/bess/charter/</a> . It mentions:<br>
<blockquote>- Data models for modeling, managing, and operating BGP-based s=
ervices<br>
using SMI or YANG.</blockquote>
<br>
3. Are the deliverables not too much of a research type?<br>
&gt;From one of Georgios&#39;s email, can you actually standardize such a d=
eliverable?<br>
<blockquote>
<pre>3) Provide guidelines for mechanisms that can dynamically and automati=
cally map services and policies defined on an abstract topology graph down =
to more detailed network graphs and specific network management and control=
ling policies.</pre>
</blockquote>
<br>
4. You should get other people in your community to support this effort.<br=
>
<br>
5. Open question: is there a willingness in the industry to standardize ser=
vices models, knowing that all operators will have slightly different servi=
ces?<br>
In one of Tina&#39;s email, I see: &quot;The IESG suggested network managem=
ent services, especially distributed data center services, before Toronto.&=
quot;. I&#39;m not too sure what you are referring to.<br>
<br>
Regards, Benoit (OPS AD)<br>
</div>
</blockquote>
<blockquote type=3D"cite">
<div></div>
</blockquote>
</div></div></div>

<br>_______________________________________________<br>
Supa mailing list<br>
<a href=3D"mailto:Supa@ietf.org">Supa@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/supa" target=3D"_blank">ht=
tps://www.ietf.org/mailman/listinfo/supa</a><br>
<br></blockquote></div><br><br clear=3D"all"><div><br></div>-- <br><div dir=
=3D"ltr"><div>Dr. Parviz Yegani</div><div>(408) 759-1973 mobile</div><div><=
a href=3D"mailto:pyegani@gmail.com" target=3D"_blank">pyegani@gmail.com</a>=
</div></div>
</div>

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From: Georgios Karagiannis <georgios.karagiannis@huawei.com>
To: Benoit Claise <bclaise@cisco.com>
Thread-Topic: [Supa] SUPA BoF not approved
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Date: Sun, 5 Oct 2014 08:15:52 +0000
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Dear Benoit,

Thanks for the provided information.
Thank you also very much for willing to help us on working out the 5 listed=
 remarks, by e.g., using webex calls.

Parviz, thank you very much for willing to provide the bridge facility for =
this call.

Best regards,
Georgios


From: Supa [mailto:supa-bounces@ietf.org] On Behalf Of Benoit Claise
Sent: Friday, October 03, 2014 6:04 PM
To: supa@ietf.org
Subject: [Supa] SUPA BoF not approved

Dear all,

After a lengthy discussion during the BoF coordination call, the IESG and I=
AB have decided not to approve the SUPA BoF.
The work was not considered mature enough to allocate BoF time.

However, it doesn't not mean that you should stop working on SUPA.
Below are 5 starting points, which you should consider as positive remarks.
I'm committed to help on those points, potentially with a webex call.


1. I believe that you should do a better job explaining your problem statem=
ent and what you actually want to standardize, what the desired outcomes ar=
e.
The charter mentions (took some excerpts):
The SUPA (Shared Unified Policy Automation) working group will work on the =
definition of such a standardized interface for applications and network se=
rvices to communicate with network controllers of all types.

In particular, SUPA will focus on service specific models that allow applic=
ations to request certain network services to be created/deleted/modified.

The terms "UNIFIED" and "SHARED" used in the SUPA abbreviation, relate to t=
he way the service policy model is generated, since it groups, unifies and =
shares the similar requirements imposed by a bulk of applications.
                    Benoit: I still have no idea what you mean here.
SUPA will provide guidelines for mechanisms that can dynamically and in an =
interoperable manner, AUTOMATICALLY map services and policies defined on an=
 abstract topology graph down to more detailed network graphs and specific =
network management and controlling policies.

SUPA will work on defining vendor-neutral standardized interfaces based on =
the concept of network graph, an entity describing an arbitrary topology of=
 nodes and links at any level of granularity.
                    Benoit: I still have no idea what you mean here.

SUPA will ensure that in case any specific NETCONF/RESTCONF protocol requir=
ements are identified
                    Benoit: I have no idea why you would need NETCONF/RESTC=
ONF protocol extensions here.
It seems that you have all the buzzwords, and that's actually a drawback, b=
ecause you are all over the map (including the use cases).
I've been trying to divide the problem and guide the discussion with my mes=
sage to the list. For example,



            ---------------------

            |    applications   |

            ---------------------
                    | <--- service YANG models /NETCONF interface

            ---------------------
            |     controller    | <--- mapping services to topology

            ---------------------
             |      |      | <--- device/feature specific YANG models / NET=
CONF interface

            NE1    NE2   NEn


... but I'm not sure I've been successful.


2. Interaction with the different WGs must be explained/understood.
Coming back to the deliverables, I understand that you want a topology. How=
 is this different than the topology being worked on in I2RS? (I see now th=
at this was addressed on the mailing list recentl)

>From one of Georgios's email, I see this deliverable:

2) The definition and standardization of a number of basic policy and data =
models using network graphs. These might include, but are not limited to L3=
VPNs, traffic engineering, implementation of IPv6 transition mechanism and =
their enforcement to users.
First of, these are very broad deliverables, but also, what is the connecti=
on with the BESS proposed WG at https://datatracker.ietf.org/wg/bess/charte=
r/ . It mentions:
- Data models for modeling, managing, and operating BGP-based services
using SMI or YANG.

3. Are the deliverables not too much of a research type?
>From one of Georgios's email, can you actually standardize such a deliverab=
le?

3) Provide guidelines for mechanisms that can dynamically and automatically=
 map services and policies defined on an abstract topology graph down to mo=
re detailed network graphs and specific network management and controlling =
policies.

4. You should get other people in your community to support this effort.

5. Open question: is there a willingness in the industry to standardize ser=
vices models, knowing that all operators will have slightly different servi=
ces?
In one of Tina's email, I see: "The IESG suggested network management servi=
ces, especially distributed data center services, before Toronto.". I'm not=
 too sure what you are referring to.

Regards, Benoit (OPS AD)

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<body bgcolor=3D"white" lang=3D"EN-US" link=3D"blue" vlink=3D"purple">
<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Dear Benoit,<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks for the provided i=
nformation.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thank you also very much =
for willing to help us on working out the 5 listed remarks, by e.g., using =
webex calls.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Parviz, thank you very mu=
ch for willing to provide the bridge facility for this call.<o:p></o:p></sp=
an></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best regards,<o:p></o:p><=
/span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Georgios<o:p></o:p></span=
></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">From:</span></b><spa=
n style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif=
&quot;;color:windowtext"> Supa [mailto:supa-bounces@ietf.org]
<b>On Behalf Of </b>Benoit Claise<br>
<b>Sent:</b> Friday, October 03, 2014 6:04 PM<br>
<b>To:</b> supa@ietf.org<br>
<b>Subject:</b> [Supa] SUPA BoF not approved<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Dear all,<br>
<br>
After a lengthy discussion during the BoF coordination call, the IESG and I=
AB have decided not to approve the SUPA BoF.<br>
The work was not considered mature enough to allocate BoF time. <br>
<br>
However, it doesn't not mean that you should stop working on SUPA. <br>
Below are 5 starting points, which you should consider as positive remarks.=
<br>
I'm committed to help on those points, potentially with a webex call.<br>
<br>
<br>
1. I believe that you should do a better job explaining your problem statem=
ent and what you actually want to standardize, what the desired outcomes ar=
e.<br>
The charter mentions (took some excerpts):<o:p></o:p></p>
<p class=3D"MsoNormal">The SUPA (Shared Unified Policy Automation) working =
group will work on the definition of such
<span style=3D"color:red">a standardized interface for applications and net=
work services to communicate with network controllers of all types.</span><=
br>
<br>
In particular, SUPA will focus on <span style=3D"color:red">service specifi=
c models</span> that allow applications to
<span style=3D"color:red">request certain network services to be created/de=
leted/modified.
<br>
</span><br>
<span style=3D"color:red">The terms &quot;UNIFIED&quot; and &quot;SHARED&qu=
ot; used in the SUPA abbreviation, relate to the way the service policy mod=
el is generated, since it groups, unifies and shares the similar requiremen=
ts imposed by a bulk of applications.</span><br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;=
 &nbsp;&nbsp;&nbsp; Benoit: I still have no idea what you mean here.<o:p></=
o:p></p>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<p class=3D"MsoNormal">SUPA will provide <span style=3D"color:red">guidelin=
es </span>
for mechanisms that can dynamically and in an interoperable manner, AUTOMAT=
ICALLY
<span style=3D"color:red">map services and policies defined on an abstract =
topology graph</span> down to more detailed network graphs and specific net=
work management and controlling policies.<br>
<br>
SUPA will work on defining <span style=3D"color:red">vendor-neutral standar=
dized interfaces based on the concept of network graph, an entity describin=
g an arbitrary topology of nodes and links at any level of granularity.
</span><br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;=
 &nbsp;&nbsp;&nbsp; Benoit: I still have no idea what you mean here.<br>
<br>
SUPA will ensure that in case any specific NETCONF/RESTCONF protocol requir=
ements are identified<br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;=
 &nbsp;&nbsp;&nbsp; Benoit: I have no idea why you would need NETCONF/RESTC=
ONF protocol extensions here.<o:p></o:p></p>
</blockquote>
<p class=3D"MsoNormal">It seems that you have all the buzzwords, and that's=
 actually a drawback, because you are all over the map (including the use c=
ases).<br>
I've been trying to divide the problem and guide the discussion with my mes=
sage to the list. For example,<o:p></o:p></p>
<pre><o:p>&nbsp;</o:p></pre>
<pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ---=
------------------<o:p></o:p></pre>
<pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&n=
bsp;&nbsp;&nbsp; applications&nbsp;&nbsp; |<o:p></o:p></pre>
<pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ---=
------------------<o:p></o:p></pre>
<p class=3D"MsoNormal"><tt><span style=3D"font-size:10.0pt">&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp; | &lt;--- service YANG models /NETCONF interface
</span></tt><o:p></o:p></p>
<pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;---------------------<o:p></o:p></pre>
<p class=3D"MsoNormal"><tt><span style=3D"font-size:10.0pt">&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp; &nbsp; &nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nbsp; control=
ler &nbsp;&nbsp; | &lt;--- mapping services to topology
</span></tt><o:p></o:p></p>
<pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;---------------------<o:p></o:p></pre>
<p class=3D"MsoNormal"><tt><span style=3D"font-size:10.0pt">&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; | &nbsp; &nbsp;&n=
bsp; | &nbsp; &nbsp;&nbsp; | &lt;--- device/feature specific YANG models / =
NETCONF interface
</span></tt><o:p></o:p></p>
<pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;NE1&nbsp;&nbsp;&nbsp; NE2&nbsp;&nbsp; NEn<o:p></o:p></pre>
<pre><o:p>&nbsp;</o:p></pre>
<p class=3D"MsoNormal">... but I'm not sure I've been successful.<br>
<br>
<br>
2. Interaction with the different WGs must be explained/understood.<br>
Coming back to the deliverables, I understand that you want a topology. How=
 is this different than the topology being worked on in I2RS? (I see now th=
at this was addressed on the mailing list recentl)<br>
<br>
>From one of Georgios's email, I see this deliverable:<o:p></o:p></p>
<pre>2) The definition and standardization of a number of basic policy and =
data models using network graphs. These might include, but are not limited =
to L3VPNs, traffic engineering, implementation of IPv6 transition mechanism=
 and their enforcement to users.&nbsp; <o:p></o:p></pre>
<p class=3D"MsoNormal">First of, these are very broad deliverables, but als=
o, what is the connection with the BESS proposed WG at
<a href=3D"https://datatracker.ietf.org/wg/bess/charter/">https://datatrack=
er.ietf.org/wg/bess/charter/</a> . It mentions:<o:p></o:p></p>
<p class=3D"MsoNormal">- Data models for modeling, managing, and operating =
BGP-based services<br>
using SMI or YANG.<o:p></o:p></p>
<p class=3D"MsoNormal"><br>
3. Are the deliverables not too much of a research type?<br>
>From one of Georgios's email, can you actually standardize such a deliverab=
le?<o:p></o:p></p>
<pre>3) Provide guidelines for mechanisms that can dynamically and automati=
cally map services and policies defined on an abstract topology graph down =
to more detailed network graphs and specific network management and control=
ling policies.<o:p></o:p></pre>
<p class=3D"MsoNormal"><br>
4. You should get other people in your community to support this effort.<br=
>
<br>
5. Open question: is there a willingness in the industry to standardize ser=
vices models, knowing that all operators will have slightly different servi=
ces?<br>
In one of Tina's email, I see: &quot;The IESG suggested network management =
services, especially distributed data center services, before Toronto.&quot=
;. I'm not too sure what you are referring to.<br>
<br>
Regards, Benoit (OPS AD)<o:p></o:p></p>
</div>
</div>
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Date: Mon, 06 Oct 2014 11:34:46 +0200
From: Benoit Claise <bclaise@cisco.com>
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To: Georgios Karagiannis <georgios.karagiannis@huawei.com>
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Cc: Parviz Yegani <pyegani@juniper.net>, "supa@ietf.org" <supa@ietf.org>
Subject: Re: [Supa] SUPA BoF not approved
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Gergios, Tina, Parviz,

Who do we need in this call?
I'm afraid that a call with 20 persons will not be efficient.

Regards, Benoit
>
> Dear Benoit,
>
> Thanks for the provided information.
>
> Thank you also very much for willing to help us on working out the 5 
> listed remarks, by e.g., using webex calls.
>
> Parviz, thank you very much for willing to provide the bridge facility 
> for this call.
>
> Best regards,
>
> Georgios
>
> *From:*Supa [mailto:supa-bounces@ietf.org] *On Behalf Of *Benoit Claise
> *Sent:* Friday, October 03, 2014 6:04 PM
> *To:* supa@ietf.org
> *Subject:* [Supa] SUPA BoF not approved
>
> Dear all,
>
> After a lengthy discussion during the BoF coordination call, the IESG 
> and IAB have decided not to approve the SUPA BoF.
> The work was not considered mature enough to allocate BoF time.
>
> However, it doesn't not mean that you should stop working on SUPA.
> Below are 5 starting points, which you should consider as positive 
> remarks.
> I'm committed to help on those points, potentially with a webex call.
>
>
> 1. I believe that you should do a better job explaining your problem 
> statement and what you actually want to standardize, what the desired 
> outcomes are.
> The charter mentions (took some excerpts):
>
> The SUPA (Shared Unified Policy Automation) working group will work on 
> the definition of such a standardized interface for applications and 
> network services to communicate with network controllers of all types.
>
> In particular, SUPA will focus on service specific models that allow 
> applications to request certain network services to be 
> created/deleted/modified.
>
> The terms "UNIFIED" and "SHARED" used in the SUPA abbreviation, relate 
> to the way the service policy model is generated, since it groups, 
> unifies and shares the similar requirements imposed by a bulk of 
> applications.
>                     Benoit: I still have no idea what you mean here.
>
>     SUPA will provide guidelines for mechanisms that can dynamically
>     and in an interoperable manner, AUTOMATICALLY map services and
>     policies defined on an abstract topology graph down to more
>     detailed network graphs and specific network management and
>     controlling policies.
>
>     SUPA will work on defining vendor-neutral standardized interfaces
>     based on the concept of network graph, an entity describing an
>     arbitrary topology of nodes and links at any level of granularity.
>                         Benoit: I still have no idea what you mean here.
>
>     SUPA will ensure that in case any specific NETCONF/RESTCONF
>     protocol requirements are identified
>                         Benoit: I have no idea why you would need
>     NETCONF/RESTCONF protocol extensions here.
>
> It seems that you have all the buzzwords, and that's actually a 
> drawback, because you are all over the map (including the use cases).
> I've been trying to divide the problem and guide the discussion with 
> my message to the list. For example,
>
>   
>              ---------------------
>              |    applications   |
>              ---------------------
>
> | <--- service YANG models /NETCONF interface
>
>              ---------------------
>
>       |     controller    | <--- mapping services to topology
>
>              ---------------------
>
> |      |      | <--- device/feature specific YANG models / NETCONF 
> interface
>
>              NE1    NE2   NEn
>   
>
> ... but I'm not sure I've been successful.
>
>
> 2. Interaction with the different WGs must be explained/understood.
> Coming back to the deliverables, I understand that you want a 
> topology. How is this different than the topology being worked on in 
> I2RS? (I see now that this was addressed on the mailing list recentl)
>
> >From one of Georgios's email, I see this deliverable:
>
> 2) The definition and standardization of a number of basic policy and data models using network graphs. These might include, but are not limited to L3VPNs, traffic engineering, implementation of IPv6 transition mechanism and their enforcement to users.
>
> First of, these are very broad deliverables, but also, what is the 
> connection with the BESS proposed WG at 
> https://datatracker.ietf.org/wg/bess/charter/ . It mentions:
>
> - Data models for modeling, managing, and operating BGP-based services
> using SMI or YANG.
>
>
> 3. Are the deliverables not too much of a research type?
> >From one of Georgios's email, can you actually standardize such a 
> deliverable?
>
> 3) Provide guidelines for mechanisms that can dynamically and automatically map services and policies defined on an abstract topology graph down to more detailed network graphs and specific network management and controlling policies.
>
>
> 4. You should get other people in your community to support this effort.
>
> 5. Open question: is there a willingness in the industry to 
> standardize services models, knowing that all operators will have 
> slightly different services?
> In one of Tina's email, I see: "The IESG suggested network management 
> services, especially distributed data center services, before 
> Toronto.". I'm not too sure what you are referring to.
>
> Regards, Benoit (OPS AD)
>


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    <div class="moz-cite-prefix">Gergios, Tina, Parviz,<br>
      <br>
      Who do we need in this call?<br>
      I'm afraid that a call with 20 persons will not be efficient.<br>
      <br>
      Regards, Benoit<br>
    </div>
    <blockquote
cite="mid:C5034E44CD620A44971BAAEB372655DC63737F@LHREML516-MBX.china.huawei.com"
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      <div class="WordSection1">
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Dear
            Benoit,<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks
            for the provided information.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thank
            you also very much for willing to help us on working out the
            5 listed remarks, by e.g., using webex calls.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Parviz,
            thank you very much for willing to provide the bridge
            facility for this call.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best
            regards,<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Georgios<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
        <div style="border:none;border-left:solid blue 1.5pt;padding:0in
          0in 0in 4.0pt">
          <div>
            <div style="border:none;border-top:solid #B5C4DF
              1.0pt;padding:3.0pt 0in 0in 0in">
              <p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">From:</span></b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">
                  Supa [<a class="moz-txt-link-freetext" href="mailto:supa-bounces@ietf.org">mailto:supa-bounces@ietf.org</a>]
                  <b>On Behalf Of </b>Benoit Claise<br>
                  <b>Sent:</b> Friday, October 03, 2014 6:04 PM<br>
                  <b>To:</b> <a class="moz-txt-link-abbreviated" href="mailto:supa@ietf.org">supa@ietf.org</a><br>
                  <b>Subject:</b> [Supa] SUPA BoF not approved<o:p></o:p></span></p>
            </div>
          </div>
          <p class="MsoNormal"><o:p>&nbsp;</o:p></p>
          <p class="MsoNormal">Dear all,<br>
            <br>
            After a lengthy discussion during the BoF coordination call,
            the IESG and IAB have decided not to approve the SUPA BoF.<br>
            The work was not considered mature enough to allocate BoF
            time. <br>
            <br>
            However, it doesn't not mean that you should stop working on
            SUPA. <br>
            Below are 5 starting points, which you should consider as
            positive remarks.<br>
            I'm committed to help on those points, potentially with a
            webex call.<br>
            <br>
            <br>
            1. I believe that you should do a better job explaining your
            problem statement and what you actually want to standardize,
            what the desired outcomes are.<br>
            The charter mentions (took some excerpts):<o:p></o:p></p>
          <p class="MsoNormal">The SUPA (Shared Unified Policy
            Automation) working group will work on the definition of
            such
            <span style="color:red">a standardized interface for
              applications and network services to communicate with
              network controllers of all types.</span><br>
            <br>
            In particular, SUPA will focus on <span style="color:red">service
              specific models</span> that allow applications to
            <span style="color:red">request certain network services to
              be created/deleted/modified.
              <br>
            </span><br>
            <span style="color:red">The terms "UNIFIED" and "SHARED"
              used in the SUPA abbreviation, relate to the way the
              service policy model is generated, since it groups,
              unifies and shares the similar requirements imposed by a
              bulk of applications.</span><br>
            &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Benoit: I still have no idea what you
            mean here.<o:p></o:p></p>
          <blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
            <p class="MsoNormal">SUPA will provide <span
                style="color:red">guidelines </span>
              for mechanisms that can dynamically and in an
              interoperable manner, AUTOMATICALLY
              <span style="color:red">map services and policies defined
                on an abstract topology graph</span> down to more
              detailed network graphs and specific network management
              and controlling policies.<br>
              <br>
              SUPA will work on defining <span style="color:red">vendor-neutral
                standardized interfaces based on the concept of network
                graph, an entity describing an arbitrary topology of
                nodes and links at any level of granularity.
              </span><br>
              &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Benoit: I still have no idea what you
              mean here.<br>
              <br>
              SUPA will ensure that in case any specific
              NETCONF/RESTCONF protocol requirements are identified<br>
              &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Benoit: I have no idea why you would
              need NETCONF/RESTCONF protocol extensions here.<o:p></o:p></p>
          </blockquote>
          <p class="MsoNormal">It seems that you have all the buzzwords,
            and that's actually a drawback, because you are all over the
            map (including the use cases).<br>
            I've been trying to divide the problem and guide the
            discussion with my message to the list. For example,<o:p></o:p></p>
          <pre><o:p>&nbsp;</o:p></pre>
          <pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ---------------------<o:p></o:p></pre>
          <pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp; applications&nbsp;&nbsp; |<o:p></o:p></pre>
          <pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ---------------------<o:p></o:p></pre>
          <p class="MsoNormal"><tt><span style="font-size:10.0pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
                | &lt;--- service YANG models /NETCONF interface
              </span></tt><o:p></o:p></p>
          <pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;---------------------<o:p></o:p></pre>
          <p class="MsoNormal"><tt><span style="font-size:10.0pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
                &nbsp; &nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nbsp; controller &nbsp;&nbsp; | &lt;--- mapping services to
                topology
              </span></tt><o:p></o:p></p>
          <pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;---------------------<o:p></o:p></pre>
          <p class="MsoNormal"><tt><span style="font-size:10.0pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
                | &nbsp; &nbsp;&nbsp; | &nbsp; &nbsp;&nbsp; | &lt;--- device/feature specific YANG
                models / NETCONF interface
              </span></tt><o:p></o:p></p>
          <pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;NE1&nbsp;&nbsp;&nbsp; NE2&nbsp;&nbsp; NEn<o:p></o:p></pre>
          <pre><o:p>&nbsp;</o:p></pre>
          <p class="MsoNormal">... but I'm not sure I've been
            successful.<br>
            <br>
            <br>
            2. Interaction with the different WGs must be
            explained/understood.<br>
            Coming back to the deliverables, I understand that you want
            a topology. How is this different than the topology being
            worked on in I2RS? (I see now that this was addressed on the
            mailing list recentl)<br>
            <br>
            &gt;From one of Georgios's email, I see this deliverable:<o:p></o:p></p>
          <pre>2) The definition and standardization of a number of basic policy and data models using network graphs. These might include, but are not limited to L3VPNs, traffic engineering, implementation of IPv6 transition mechanism and their enforcement to users.&nbsp; <o:p></o:p></pre>
          <p class="MsoNormal">First of, these are very broad
            deliverables, but also, what is the connection with the BESS
            proposed WG at
            <a moz-do-not-send="true"
              href="https://datatracker.ietf.org/wg/bess/charter/">https://datatracker.ietf.org/wg/bess/charter/</a>
            . It mentions:<o:p></o:p></p>
          <p class="MsoNormal">- Data models for modeling, managing, and
            operating BGP-based services<br>
            using SMI or YANG.<o:p></o:p></p>
          <p class="MsoNormal"><br>
            3. Are the deliverables not too much of a research type?<br>
            &gt;From one of Georgios's email, can you actually
            standardize such a deliverable?<o:p></o:p></p>
          <pre>3) Provide guidelines for mechanisms that can dynamically and automatically map services and policies defined on an abstract topology graph down to more detailed network graphs and specific network management and controlling policies.<o:p></o:p></pre>
          <p class="MsoNormal"><br>
            4. You should get other people in your community to support
            this effort.<br>
            <br>
            5. Open question: is there a willingness in the industry to
            standardize services models, knowing that all operators will
            have slightly different services?<br>
            In one of Tina's email, I see: "The IESG suggested network
            management services, especially distributed data center
            services, before Toronto.". I'm not too sure what you are
            referring to.<br>
            <br>
            Regards, Benoit (OPS AD)<o:p></o:p></p>
        </div>
      </div>
    </blockquote>
    <br>
  </body>
</html>

--------------020707070401050809030002--


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From: Parviz Yegani <pyegani@juniper.net>
To: Benoit Claise <bclaise@cisco.com>, Georgios Karagiannis <georgios.karagiannis@huawei.com>
Thread-Topic: [Supa] SUPA BoF not approved
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Date: Mon, 6 Oct 2014 15:21:02 +0000
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Hi Benoit,

Agreed, with a crowd of 20 people on the call we can't accomplish much. I'd=
 suggest we invite only the folks who are
driving the discussion on the mailing list.  The agenda should focus on add=
ressing the questions you raised (highlighted in red)
below. This is to help remove any confusion and try to converge on what we =
are trying to accomplish in SUPA.

Please send me names and a date/time for this call. I'll send an invite asa=
p.

Thanks,
Parviz

From: Benoit Claise [mailto:bclaise@cisco.com]
Sent: Monday, October 06, 2014 2:35 AM
To: Georgios Karagiannis
Cc: supa@ietf.org; Parviz Yegani
Subject: Re: [Supa] SUPA BoF not approved

Gergios, Tina, Parviz,

Who do we need in this call?
I'm afraid that a call with 20 persons will not be efficient.

Regards, Benoit
Dear Benoit,

Thanks for the provided information.
Thank you also very much for willing to help us on working out the 5 listed=
 remarks, by e.g., using webex calls.

Parviz, thank you very much for willing to provide the bridge facility for =
this call.

Best regards,
Georgios


From: Supa [mailto:supa-bounces@ietf.org] On Behalf Of Benoit Claise
Sent: Friday, October 03, 2014 6:04 PM
To: supa@ietf.org<mailto:supa@ietf.org>
Subject: [Supa] SUPA BoF not approved

Dear all,

After a lengthy discussion during the BoF coordination call, the IESG and I=
AB have decided not to approve the SUPA BoF.
The work was not considered mature enough to allocate BoF time.

However, it doesn't not mean that you should stop working on SUPA.
Below are 5 starting points, which you should consider as positive remarks.
I'm committed to help on those points, potentially with a webex call.


1. I believe that you should do a better job explaining your problem statem=
ent and what you actually want to standardize, what the desired outcomes ar=
e.
The charter mentions (took some excerpts):
The SUPA (Shared Unified Policy Automation) working group will work on the =
definition of such a standardized interface for applications and network se=
rvices to communicate with network controllers of all types.

In particular, SUPA will focus on service specific models that allow applic=
ations to request certain network services to be created/deleted/modified.

The terms "UNIFIED" and "SHARED" used in the SUPA abbreviation, relate to t=
he way the service policy model is generated, since it groups, unifies and =
shares the similar requirements imposed by a bulk of applications.
                    Benoit: I still have no idea what you mean here.
SUPA will provide guidelines for mechanisms that can dynamically and in an =
interoperable manner, AUTOMATICALLY map services and policies defined on an=
 abstract topology graph down to more detailed network graphs and specific =
network management and controlling policies.

SUPA will work on defining vendor-neutral standardized interfaces based on =
the concept of network graph, an entity describing an arbitrary topology of=
 nodes and links at any level of granularity.
                    Benoit: I still have no idea what you mean here.

SUPA will ensure that in case any specific NETCONF/RESTCONF protocol requir=
ements are identified
                    Benoit: I have no idea why you would need NETCONF/RESTC=
ONF protocol extensions here.
It seems that you have all the buzzwords, and that's actually a drawback, b=
ecause you are all over the map (including the use cases).
I've been trying to divide the problem and guide the discussion with my mes=
sage to the list. For example,



            ---------------------

            |    applications   |

            ---------------------
                    | <--- service YANG models /NETCONF interface

            ---------------------
            |     controller    | <--- mapping services to topology

            ---------------------
             |      |      | <--- device/feature specific YANG models / NET=
CONF interface

            NE1    NE2   NEn


... but I'm not sure I've been successful.


2. Interaction with the different WGs must be explained/understood.
Coming back to the deliverables, I understand that you want a topology. How=
 is this different than the topology being worked on in I2RS? (I see now th=
at this was addressed on the mailing list recentl)

>From one of Georgios's email, I see this deliverable:

2) The definition and standardization of a number of basic policy and data =
models using network graphs. These might include, but are not limited to L3=
VPNs, traffic engineering, implementation of IPv6 transition mechanism and =
their enforcement to users.
First of, these are very broad deliverables, but also, what is the connecti=
on with the BESS proposed WG at https://datatracker.ietf.org/wg/bess/charte=
r/ . It mentions:
- Data models for modeling, managing, and operating BGP-based services
using SMI or YANG.

3. Are the deliverables not too much of a research type?
>From one of Georgios's email, can you actually standardize such a delivera=
ble?

3) Provide guidelines for mechanisms that can dynamically and automatically=
 map services and policies defined on an abstract topology graph down to mo=
re detailed network graphs and specific network management and controlling =
policies.

4. You should get other people in your community to support this effort.

5. Open question: is there a willingness in the industry to standardize ser=
vices models, knowing that all operators will have slightly different servi=
ces?
In one of Tina's email, I see: "The IESG suggested network management servi=
ces, especially distributed data center services, before Toronto.". I'm not=
 too sure what you are referring to.

Regards, Benoit (OPS AD)


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<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Benoit,<o:p></o:p></sp=
an></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Agreed, with a crowd of 2=
0 people on the call we can&#8217;t accomplish much. I&#8217;d suggest we i=
nvite only the folks who are
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">driving the discussion on=
 the mailing list. &nbsp;The agenda should focus on addressing the question=
s you raised (highlighted in red)<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">below. This is to help re=
move any confusion and try to converge on what we are trying to accomplish =
in SUPA.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Please send me names and =
a date/time for this call. I&#8217;ll send an invite asap.<o:p></o:p></span=
></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks,<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Parviz<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:11.0pt;font-family:&quot=
;Calibri&quot;,&quot;sans-serif&quot;;color:windowtext">From:</span></b><sp=
an style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-ser=
if&quot;;color:windowtext"> Benoit Claise [mailto:bclaise@cisco.com]
<br>
<b>Sent:</b> Monday, October 06, 2014 2:35 AM<br>
<b>To:</b> Georgios Karagiannis<br>
<b>Cc:</b> supa@ietf.org; Parviz Yegani<br>
<b>Subject:</b> Re: [Supa] SUPA BoF not approved<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal">Gergios, Tina, Parviz,<br>
<br>
Who do we need in this call?<br>
I'm afraid that a call with 20 persons will not be efficient.<br>
<br>
Regards, Benoit<o:p></o:p></p>
</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Dear Benoit,</span><o:p><=
/o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks for the provided i=
nformation.</span><o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thank you also very much =
for willing to help us on working out the 5 listed remarks, by e.g., using =
webex calls.</span><o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Parviz, thank you very mu=
ch for willing to provide the bridge facility for this call.</span><o:p></o=
:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best regards,</span><o:p>=
</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Georgios</span><o:p></o:p=
></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">From:</span></b><spa=
n style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif=
&quot;;color:windowtext"> Supa [<a href=3D"mailto:supa-bounces@ietf.org">ma=
ilto:supa-bounces@ietf.org</a>]
<b>On Behalf Of </b>Benoit Claise<br>
<b>Sent:</b> Friday, October 03, 2014 6:04 PM<br>
<b>To:</b> <a href=3D"mailto:supa@ietf.org">supa@ietf.org</a><br>
<b>Subject:</b> [Supa] SUPA BoF not approved</span><o:p></o:p></p>
</div>
</div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
<p class=3D"MsoNormal">Dear all,<br>
<br>
After a lengthy discussion during the BoF coordination call, the IESG and I=
AB have decided not to approve the SUPA BoF.<br>
The work was not considered mature enough to allocate BoF time. <br>
<br>
However, it doesn't not mean that you should stop working on SUPA. <br>
Below are 5 starting points, which you should consider as positive remarks.=
<br>
I'm committed to help on those points, potentially with a webex call.<br>
<br>
<br>
1. I believe that you should do a better job explaining your problem statem=
ent and what you actually want to standardize, what the desired outcomes ar=
e.<br>
The charter mentions (took some excerpts):<o:p></o:p></p>
<p class=3D"MsoNormal">The SUPA (Shared Unified Policy Automation) working =
group will work on the definition of such
<span style=3D"color:red">a standardized interface for applications and net=
work services to communicate with network controllers of all types.</span><=
br>
<br>
In particular, SUPA will focus on <span style=3D"color:red">service specifi=
c models</span> that allow applications to
<span style=3D"color:red">request certain network services to be created/de=
leted/modified.
<br>
</span><br>
<span style=3D"color:red">The terms &quot;UNIFIED&quot; and &quot;SHARED&qu=
ot; used in the SUPA abbreviation, relate to the way the service policy mod=
el is generated, since it groups, unifies and shares the similar requiremen=
ts imposed by a bulk of applications.</span><br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;=
 &nbsp;&nbsp;&nbsp; Benoit: I still have no idea what you mean here.<o:p></=
o:p></p>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<p class=3D"MsoNormal">SUPA will provide <span style=3D"color:red">guidelin=
es </span>
for mechanisms that can dynamically and in an interoperable manner, AUTOMAT=
ICALLY
<span style=3D"color:red">map services and policies defined on an abstract =
topology graph</span> down to more detailed network graphs and specific net=
work management and controlling policies.<br>
<br>
SUPA will work on defining <span style=3D"color:red">vendor-neutral standar=
dized interfaces based on the concept of network graph, an entity describin=
g an arbitrary topology of nodes and links at any level of granularity.
</span><br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;=
 &nbsp;&nbsp;&nbsp; Benoit: I still have no idea what you mean here.<br>
<br>
SUPA will ensure that in case any specific NETCONF/RESTCONF protocol requir=
ements are identified<br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;=
 &nbsp;&nbsp;&nbsp; Benoit: I have no idea why you would need NETCONF/RESTC=
ONF protocol extensions here.<o:p></o:p></p>
</blockquote>
<p class=3D"MsoNormal">It seems that you have all the buzzwords, and that's=
 actually a drawback, because you are all over the map (including the use c=
ases).<br>
I've been trying to divide the problem and guide the discussion with my mes=
sage to the list. For example,<o:p></o:p></p>
<pre>&nbsp;<o:p></o:p></pre>
<pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ---=
------------------<o:p></o:p></pre>
<pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&n=
bsp;&nbsp;&nbsp; applications&nbsp;&nbsp; |<o:p></o:p></pre>
<pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ---=
------------------<o:p></o:p></pre>
<p class=3D"MsoNormal"><tt><span style=3D"font-size:10.0pt">&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp; | &lt;--- service YANG models /NETCONF interface
</span></tt><o:p></o:p></p>
<pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;---------------------<o:p></o:p></pre>
<p class=3D"MsoNormal"><tt><span style=3D"font-size:10.0pt">&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp; &nbsp; &nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nbsp; control=
ler &nbsp;&nbsp; | &lt;--- mapping services to topology
</span></tt><o:p></o:p></p>
<pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;---------------------<o:p></o:p></pre>
<p class=3D"MsoNormal"><tt><span style=3D"font-size:10.0pt">&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; | &nbsp; &nbsp;&n=
bsp; | &nbsp; &nbsp;&nbsp; | &lt;--- device/feature specific YANG models / =
NETCONF interface
</span></tt><o:p></o:p></p>
<pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;NE1&nbsp;&nbsp;&nbsp; NE2&nbsp;&nbsp; NEn<o:p></o:p></pre>
<pre>&nbsp;<o:p></o:p></pre>
<p class=3D"MsoNormal">... but I'm not sure I've been successful.<br>
<br>
<br>
2. Interaction with the different WGs must be explained/understood.<br>
Coming back to the deliverables, I understand that you want a topology. How=
 is this different than the topology being worked on in I2RS? (I see now th=
at this was addressed on the mailing list recentl)<br>
<br>
&gt;From one of Georgios's email, I see this deliverable:<o:p></o:p></p>
<pre>2) The definition and standardization of a number of basic policy and =
data models using network graphs. These might include, but are not limited =
to L3VPNs, traffic engineering, implementation of IPv6 transition mechanism=
 and their enforcement to users.&nbsp; <o:p></o:p></pre>
<p class=3D"MsoNormal">First of, these are very broad deliverables, but als=
o, what is the connection with the BESS proposed WG at
<a href=3D"https://datatracker.ietf.org/wg/bess/charter/">https://datatrack=
er.ietf.org/wg/bess/charter/</a> . It mentions:<o:p></o:p></p>
<p class=3D"MsoNormal">- Data models for modeling, managing, and operating =
BGP-based services<br>
using SMI or YANG.<o:p></o:p></p>
<p class=3D"MsoNormal"><br>
3. Are the deliverables not too much of a research type?<br>
&gt;From one of Georgios's email, can you actually standardize such a deliv=
erable?<o:p></o:p></p>
<pre>3) Provide guidelines for mechanisms that can dynamically and automati=
cally map services and policies defined on an abstract topology graph down =
to more detailed network graphs and specific network management and control=
ling policies.<o:p></o:p></pre>
<p class=3D"MsoNormal"><br>
4. You should get other people in your community to support this effort.<br=
>
<br>
5. Open question: is there a willingness in the industry to standardize ser=
vices models, knowing that all operators will have slightly different servi=
ces?<br>
In one of Tina's email, I see: &quot;The IESG suggested network management =
services, especially distributed data center services, before Toronto.&quot=
;. I'm not too sure what you are referring to.<br>
<br>
Regards, Benoit (OPS AD)<o:p></o:p></p>
</div>
</blockquote>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
</body>
</html>

--_000_1d254714864e4c52b719d13acbfdaeb4BLUPR05MB675namprd05pro_--


From nobody Wed Oct  8 01:43:11 2014
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From: Tina TSOU <Tina.Tsou.Zouting@huawei.com>
To: Parviz Yegani <pyegani@juniper.net>, Benoit Claise <bclaise@cisco.com>, Georgios Karagiannis <georgios.karagiannis@huawei.com>
Thread-Topic: [Supa] SUPA BoF not approved
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Dear Benoit,

> 5. Open question: is there a willingness in the industry to standardize s=
ervices models, knowing that all operators will have slightly different ser=
vices?

SUPA wanted to work on service specific abstractions and non-trivial mappin=
gs.


Thank you,
Tina

From: Supa [mailto:supa-bounces@ietf.org] On Behalf Of Parviz Yegani
Sent: Monday, October 06, 2014 11:21 PM
To: Benoit Claise; Georgios Karagiannis
Cc: supa@ietf.org
Subject: Re: [Supa] SUPA BoF not approved

Hi Benoit,

Agreed, with a crowd of 20 people on the call we can't accomplish much. I'd=
 suggest we invite only the folks who are
driving the discussion on the mailing list.  The agenda should focus on add=
ressing the questions you raised (highlighted in red)
below. This is to help remove any confusion and try to converge on what we =
are trying to accomplish in SUPA.

Please send me names and a date/time for this call. I'll send an invite asa=
p.

Thanks,
Parviz

From: Benoit Claise [mailto:bclaise@cisco.com]
Sent: Monday, October 06, 2014 2:35 AM
To: Georgios Karagiannis
Cc: supa@ietf.org<mailto:supa@ietf.org>; Parviz Yegani
Subject: Re: [Supa] SUPA BoF not approved

Gergios, Tina, Parviz,

Who do we need in this call?
I'm afraid that a call with 20 persons will not be efficient.

Regards, Benoit
Dear Benoit,

Thanks for the provided information.
Thank you also very much for willing to help us on working out the 5 listed=
 remarks, by e.g., using webex calls.

Parviz, thank you very much for willing to provide the bridge facility for =
this call.

Best regards,
Georgios


From: Supa [mailto:supa-bounces@ietf.org] On Behalf Of Benoit Claise
Sent: Friday, October 03, 2014 6:04 PM
To: supa@ietf.org<mailto:supa@ietf.org>
Subject: [Supa] SUPA BoF not approved

Dear all,

After a lengthy discussion during the BoF coordination call, the IESG and I=
AB have decided not to approve the SUPA BoF.
The work was not considered mature enough to allocate BoF time.

However, it doesn't not mean that you should stop working on SUPA.
Below are 5 starting points, which you should consider as positive remarks.
I'm committed to help on those points, potentially with a webex call.


1. I believe that you should do a better job explaining your problem statem=
ent and what you actually want to standardize, what the desired outcomes ar=
e.
The charter mentions (took some excerpts):
The SUPA (Shared Unified Policy Automation) working group will work on the =
definition of such a standardized interface for applications and network se=
rvices to communicate with network controllers of all types.

In particular, SUPA will focus on service specific models that allow applic=
ations to request certain network services to be created/deleted/modified.

The terms "UNIFIED" and "SHARED" used in the SUPA abbreviation, relate to t=
he way the service policy model is generated, since it groups, unifies and =
shares the similar requirements imposed by a bulk of applications.
                    Benoit: I still have no idea what you mean here.
SUPA will provide guidelines for mechanisms that can dynamically and in an =
interoperable manner, AUTOMATICALLY map services and policies defined on an=
 abstract topology graph down to more detailed network graphs and specific =
network management and controlling policies.

SUPA will work on defining vendor-neutral standardized interfaces based on =
the concept of network graph, an entity describing an arbitrary topology of=
 nodes and links at any level of granularity.
                    Benoit: I still have no idea what you mean here.

SUPA will ensure that in case any specific NETCONF/RESTCONF protocol requir=
ements are identified
                    Benoit: I have no idea why you would need NETCONF/RESTC=
ONF protocol extensions here.
It seems that you have all the buzzwords, and that's actually a drawback, b=
ecause you are all over the map (including the use cases).
I've been trying to divide the problem and guide the discussion with my mes=
sage to the list. For example,



            ---------------------

            |    applications   |

            ---------------------
                    | <--- service YANG models /NETCONF interface

            ---------------------
            |     controller    | <--- mapping services to topology

            ---------------------
             |      |      | <--- device/feature specific YANG models / NET=
CONF interface

            NE1    NE2   NEn


... but I'm not sure I've been successful.


2. Interaction with the different WGs must be explained/understood.
Coming back to the deliverables, I understand that you want a topology. How=
 is this different than the topology being worked on in I2RS? (I see now th=
at this was addressed on the mailing list recentl)

>From one of Georgios's email, I see this deliverable:

2) The definition and standardization of a number of basic policy and data =
models using network graphs. These might include, but are not limited to L3=
VPNs, traffic engineering, implementation of IPv6 transition mechanism and =
their enforcement to users.
First of, these are very broad deliverables, but also, what is the connecti=
on with the BESS proposed WG at https://datatracker.ietf.org/wg/bess/charte=
r/ . It mentions:
- Data models for modeling, managing, and operating BGP-based services
using SMI or YANG.

3. Are the deliverables not too much of a research type?
>From one of Georgios's email, can you actually standardize such a delivera=
ble?

3) Provide guidelines for mechanisms that can dynamically and automatically=
 map services and policies defined on an abstract topology graph down to mo=
re detailed network graphs and specific network management and controlling =
policies.

4. You should get other people in your community to support this effort.

5. Open question: is there a willingness in the industry to standardize ser=
vices models, knowing that all operators will have slightly different servi=
ces?
In one of Tina's email, I see: "The IESG suggested network management servi=
ces, especially distributed data center services, before Toronto.". I'm not=
 too sure what you are referring to.

Regards, Benoit (OPS AD)


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<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Dear Benoit,<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&gt; 5. Open question: is=
 there a willingness in the industry to standardize services models, knowin=
g that all operators will have slightly different services?<o:p></o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">SUPA wanted to work on se=
rvice specific abstractions and non-trivial mappings.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thank you,<o:p></o:p></sp=
an></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Tina<o:p></o:p></span></p=
>
</div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">From:</span></b><spa=
n style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif=
&quot;;color:windowtext"> Supa [mailto:supa-bounces@ietf.org]
<b>On Behalf Of </b>Parviz Yegani<br>
<b>Sent:</b> Monday, October 06, 2014 11:21 PM<br>
<b>To:</b> Benoit Claise; Georgios Karagiannis<br>
<b>Cc:</b> supa@ietf.org<br>
<b>Subject:</b> Re: [Supa] SUPA BoF not approved<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Benoit,<o:p></o:p></sp=
an></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Agreed, with a crowd of 2=
0 people on the call we can&#8217;t accomplish much. I&#8217;d suggest we i=
nvite only the folks who are
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">driving the discussion on=
 the mailing list. &nbsp;The agenda should focus on addressing the question=
s you raised (highlighted in red)<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">below. This is to help re=
move any confusion and try to converge on what we are trying to accomplish =
in SUPA.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Please send me names and =
a date/time for this call. I&#8217;ll send an invite asap.<o:p></o:p></span=
></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks,<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Parviz<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:11.0pt;font-family:&quot=
;Calibri&quot;,&quot;sans-serif&quot;;color:windowtext">From:</span></b><sp=
an style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-ser=
if&quot;;color:windowtext"> Benoit Claise [<a href=3D"mailto:bclaise@cisco.=
com">mailto:bclaise@cisco.com</a>]
<br>
<b>Sent:</b> Monday, October 06, 2014 2:35 AM<br>
<b>To:</b> Georgios Karagiannis<br>
<b>Cc:</b> <a href=3D"mailto:supa@ietf.org">supa@ietf.org</a>; Parviz Yegan=
i<br>
<b>Subject:</b> Re: [Supa] SUPA BoF not approved<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal">Gergios, Tina, Parviz,<br>
<br>
Who do we need in this call?<br>
I'm afraid that a call with 20 persons will not be efficient.<br>
<br>
Regards, Benoit<o:p></o:p></p>
</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Dear Benoit,</span><o:p><=
/o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks for the provided i=
nformation.</span><o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thank you also very much =
for willing to help us on working out the 5 listed remarks, by e.g., using =
webex calls.</span><o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Parviz, thank you very mu=
ch for willing to provide the bridge facility for this call.</span><o:p></o=
:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best regards,</span><o:p>=
</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Georgios</span><o:p></o:p=
></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">From:</span></b><spa=
n style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif=
&quot;;color:windowtext"> Supa [<a href=3D"mailto:supa-bounces@ietf.org">ma=
ilto:supa-bounces@ietf.org</a>]
<b>On Behalf Of </b>Benoit Claise<br>
<b>Sent:</b> Friday, October 03, 2014 6:04 PM<br>
<b>To:</b> <a href=3D"mailto:supa@ietf.org">supa@ietf.org</a><br>
<b>Subject:</b> [Supa] SUPA BoF not approved</span><o:p></o:p></p>
</div>
</div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
<p class=3D"MsoNormal">Dear all,<br>
<br>
After a lengthy discussion during the BoF coordination call, the IESG and I=
AB have decided not to approve the SUPA BoF.<br>
The work was not considered mature enough to allocate BoF time. <br>
<br>
However, it doesn't not mean that you should stop working on SUPA. <br>
Below are 5 starting points, which you should consider as positive remarks.=
<br>
I'm committed to help on those points, potentially with a webex call.<br>
<br>
<br>
1. I believe that you should do a better job explaining your problem statem=
ent and what you actually want to standardize, what the desired outcomes ar=
e.<br>
The charter mentions (took some excerpts):<o:p></o:p></p>
<p class=3D"MsoNormal">The SUPA (Shared Unified Policy Automation) working =
group will work on the definition of such
<span style=3D"color:red">a standardized interface for applications and net=
work services to communicate with network controllers of all types.</span><=
br>
<br>
In particular, SUPA will focus on <span style=3D"color:red">service specifi=
c models</span> that allow applications to
<span style=3D"color:red">request certain network services to be created/de=
leted/modified.
<br>
</span><br>
<span style=3D"color:red">The terms &quot;UNIFIED&quot; and &quot;SHARED&qu=
ot; used in the SUPA abbreviation, relate to the way the service policy mod=
el is generated, since it groups, unifies and shares the similar requiremen=
ts imposed by a bulk of applications.</span><br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;=
 &nbsp;&nbsp;&nbsp; Benoit: I still have no idea what you mean here.<o:p></=
o:p></p>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<p class=3D"MsoNormal">SUPA will provide <span style=3D"color:red">guidelin=
es </span>
for mechanisms that can dynamically and in an interoperable manner, AUTOMAT=
ICALLY
<span style=3D"color:red">map services and policies defined on an abstract =
topology graph</span> down to more detailed network graphs and specific net=
work management and controlling policies.<br>
<br>
SUPA will work on defining <span style=3D"color:red">vendor-neutral standar=
dized interfaces based on the concept of network graph, an entity describin=
g an arbitrary topology of nodes and links at any level of granularity.
</span><br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;=
 &nbsp;&nbsp;&nbsp; Benoit: I still have no idea what you mean here.<br>
<br>
SUPA will ensure that in case any specific NETCONF/RESTCONF protocol requir=
ements are identified<br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;=
 &nbsp;&nbsp;&nbsp; Benoit: I have no idea why you would need NETCONF/RESTC=
ONF protocol extensions here.<o:p></o:p></p>
</blockquote>
<p class=3D"MsoNormal">It seems that you have all the buzzwords, and that's=
 actually a drawback, because you are all over the map (including the use c=
ases).<br>
I've been trying to divide the problem and guide the discussion with my mes=
sage to the list. For example,<o:p></o:p></p>
<pre>&nbsp;<o:p></o:p></pre>
<pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ---=
------------------<o:p></o:p></pre>
<pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&n=
bsp;&nbsp;&nbsp; applications&nbsp;&nbsp; |<o:p></o:p></pre>
<pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ---=
------------------<o:p></o:p></pre>
<p class=3D"MsoNormal"><tt><span style=3D"font-size:10.0pt">&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp; | &lt;--- service YANG models /NETCONF interface
</span></tt><o:p></o:p></p>
<pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;---------------------<o:p></o:p></pre>
<p class=3D"MsoNormal"><tt><span style=3D"font-size:10.0pt">&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp; &nbsp; &nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nbsp; control=
ler &nbsp;&nbsp; | &lt;--- mapping services to topology
</span></tt><o:p></o:p></p>
<pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;---------------------<o:p></o:p></pre>
<p class=3D"MsoNormal"><tt><span style=3D"font-size:10.0pt">&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; | &nbsp; &nbsp;&n=
bsp; | &nbsp; &nbsp;&nbsp; | &lt;--- device/feature specific YANG models / =
NETCONF interface
</span></tt><o:p></o:p></p>
<pre>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;NE1&nbsp;&nbsp;&nbsp; NE2&nbsp;&nbsp; NEn<o:p></o:p></pre>
<pre>&nbsp;<o:p></o:p></pre>
<p class=3D"MsoNormal">... but I'm not sure I've been successful.<br>
<br>
<br>
2. Interaction with the different WGs must be explained/understood.<br>
Coming back to the deliverables, I understand that you want a topology. How=
 is this different than the topology being worked on in I2RS? (I see now th=
at this was addressed on the mailing list recentl)<br>
<br>
&gt;From one of Georgios's email, I see this deliverable:<o:p></o:p></p>
<pre>2) The definition and standardization of a number of basic policy and =
data models using network graphs. These might include, but are not limited =
to L3VPNs, traffic engineering, implementation of IPv6 transition mechanism=
 and their enforcement to users.&nbsp; <o:p></o:p></pre>
<p class=3D"MsoNormal">First of, these are very broad deliverables, but als=
o, what is the connection with the BESS proposed WG at
<a href=3D"https://datatracker.ietf.org/wg/bess/charter/">https://datatrack=
er.ietf.org/wg/bess/charter/</a> . It mentions:<o:p></o:p></p>
<p class=3D"MsoNormal">- Data models for modeling, managing, and operating =
BGP-based services<br>
using SMI or YANG.<o:p></o:p></p>
<p class=3D"MsoNormal"><br>
3. Are the deliverables not too much of a research type?<br>
&gt;From one of Georgios's email, can you actually standardize such a deliv=
erable?<o:p></o:p></p>
<pre>3) Provide guidelines for mechanisms that can dynamically and automati=
cally map services and policies defined on an abstract topology graph down =
to more detailed network graphs and specific network management and control=
ling policies.<o:p></o:p></pre>
<p class=3D"MsoNormal"><br>
4. You should get other people in your community to support this effort.<br=
>
<br>
5. Open question: is there a willingness in the industry to standardize ser=
vices models, knowing that all operators will have slightly different servi=
ces?<br>
In one of Tina's email, I see: &quot;The IESG suggested network management =
services, especially distributed data center services, before Toronto.&quot=
;. I'm not too sure what you are referring to.<br>
<br>
Regards, Benoit (OPS AD)<o:p></o:p></p>
</div>
</blockquote>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
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From: "Liushucheng (Will)" <liushucheng@huawei.com>
To: Benoit Claise <bclaise@cisco.com>
Thread-Topic: [Supa] SUPA BoF not approved
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Date: Wed, 8 Oct 2014 08:54:00 +0000
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Dear Benoit,

Thank you very much for your guiding. Your figure and comments really helpe=
d us a lot in refining this work.  I have some quick questions to your firs=
t comment, to make sure that we understood you correctly. Please see below =
inline start with [Will]

Regards,
Will

From: Supa [mailto:supa-bounces@ietf.org] On Behalf Of Benoit Claise
Sent: Saturday, October 04, 2014 12:04 AM
To: supa@ietf.org
Subject: [Supa] SUPA BoF not approved

Dear all,

After a lengthy discussion during the BoF coordination call, the IESG and I=
AB have decided not to approve the SUPA BoF.
The work was not considered mature enough to allocate BoF time.

However, it doesn't not mean that you should stop working on SUPA.
Below are 5 starting points, which you should consider as positive remarks.
I'm committed to help on those points, potentially with a webex call.


1. I believe that you should do a better job explaining your problem statem=
ent and what you actually want to standardize, what the desired outcomes ar=
e.
The charter mentions (took some excerpts):
The SUPA (Shared Unified Policy Automation) working group will work on the =
definition of such a standardized interface for applications and network se=
rvices to communicate with network controllers of all types.

In particular, SUPA will focus on service specific models that allow applic=
ations to request certain network services to be created/deleted/modified.

The terms "UNIFIED" and "SHARED" used in the SUPA abbreviation, relate to t=
he way the service policy model is generated, since it groups, unifies and =
shares the similar requirements imposed by a bulk of applications.
                    Benoit: I still have no idea what you mean here.
[Will] We will try to modify the wording here. One quick question, is the u=
nclear of the above three sentence due to the misuse or misunderstanding of=
 the three key words: service/network service, application and policy?
SUPA will provide guidelines for mechanisms that can dynamically and in an =
interoperable manner, AUTOMATICALLY map services and policies defined on an=
 abstract topology graph down to more detailed network graphs and specific =
network management and controlling policies.

SUPA will work on defining vendor-neutral standardized interfaces based on =
the concept of network graph, an entity describing an arbitrary topology of=
 nodes and links at any level of granularity.
                    Benoit: I still have no idea what you mean here.

SUPA will ensure that in case any specific NETCONF/RESTCONF protocol requir=
ements are identified
                    Benoit: I have no idea why you would need NETCONF/RESTC=
ONF protocol extensions here.
[Will] IMHO, this extension requirement was introduced by the draft draft-v=
oit-netmod-peer-mount-requirements.
It seems that you have all the buzzwords, and that's actually a drawback, b=
ecause you are all over the map (including the use cases).
I've been trying to divide the problem and guide the discussion with my mes=
sage to the list. For example,



            ---------------------

            |    applications   |

            ---------------------
                    | <--- service YANG models /NETCONF interface

            ---------------------
            |     controller    | <--- mapping services to topology

            ---------------------
             |      |      | <--- device/feature specific YANG models / NET=
CONF interface

            NE1    NE2   NEn


... but I'm not sure I've been successful.

[Will] Regarding your previous email about this figure, 'Device/Feature YAN=
G models  /NETCONF? Yes, for sure, and we should do this full speed', do yo=
u think we could put this into the scope of SUPA, if part of this 'Device/F=
eature YANG models' is not done by NETMOD?
'

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</head>
<body bgcolor=3D"white" lang=3D"ZH-CN" link=3D"blue" vlink=3D"purple">
<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Dear Benoi=
t,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thank you =
very much for your guiding. Your figure and comments really helped us a lot=
 in refining this work. &nbsp;I have some quick questions to your
 first comment, to make sure that we understood you correctly. Please see b=
elow inline start with [Will]<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<div>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D">Regards,</span><span lang=
=3D"EN-US" style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;=
sans-serif&quot;;color:#1F497D"><o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D">Will</span><span lang=3D"EN=
-US" style=3D"font-size:10.5pt;font-family:&quot;Calibri&quot;,&quot;sans-s=
erif&quot;;color:#1F497D"><o:p></o:p></span></p>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal" style=3D"margin-left:24.0pt;mso-para-margin-left:2.0=
gd"><b><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:windowtext">From:</span></b><span l=
ang=3D"EN-US" style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&qu=
ot;sans-serif&quot;;color:windowtext">
 Supa [mailto:supa-bounces@ietf.org] <b>On Behalf Of </b>Benoit Claise<br>
<b>Sent:</b> Saturday, October 04, 2014 12:04 AM<br>
<b>To:</b> supa@ietf.org<br>
<b>Subject:</b> [Supa] SUPA BoF not approved<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-left:24.0pt;mso-para-margin-left:2.0=
gd"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:24.0pt;mso-para-margin-left:2.0=
gd"><span lang=3D"EN-US">Dear all,<br>
<br>
After a lengthy discussion during the BoF coordination call, the IESG and I=
AB have decided not to approve the SUPA BoF.<br>
The work was not considered mature enough to allocate BoF time. <br>
<br>
However, it doesn't not mean that you should stop working on SUPA. <br>
Below are 5 starting points, which you should consider as positive remarks.=
<br>
I'm committed to help on those points, potentially with a webex call.<br>
<br>
<br>
1. I believe that you should do a better job explaining your problem statem=
ent and what you actually want to standardize, what the desired outcomes ar=
e.<br>
The charter mentions (took some excerpts):<o:p></o:p></span></p>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<p class=3D"MsoNormal" style=3D"margin-left:24.0pt;mso-para-margin-left:2.0=
gd"><span lang=3D"EN-US">The SUPA (Shared Unified Policy Automation) workin=
g group will work on the definition of such
</span><span lang=3D"EN-US" style=3D"color:red">a standardized interface fo=
r applications and network services to communicate with network controllers=
 of all types.</span><span lang=3D"EN-US"><br>
<br>
In particular, SUPA will focus on </span><span lang=3D"EN-US" style=3D"colo=
r:red">service specific models</span><span lang=3D"EN-US"> that allow appli=
cations to
</span><span lang=3D"EN-US" style=3D"color:red">request certain network ser=
vices to be created/deleted/modified.
<br>
</span><span lang=3D"EN-US"><br>
</span><span lang=3D"EN-US" style=3D"color:red">The terms &quot;UNIFIED&quo=
t; and &quot;SHARED&quot; used in the SUPA abbreviation, relate to the way =
the service policy model is generated, since it groups, unifies and shares =
the similar requirements imposed by a bulk of applications.</span><span lan=
g=3D"EN-US"><br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;=
 &nbsp;&nbsp;&nbsp; Benoit: I still have no idea what you mean here.</span>=
<span lang=3D"EN-US" style=3D"color:#1F497D"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><b><i><span lang=3D"EN-US" style=3D"font-size:10.5pt=
;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">[Wil=
l] We will try to modify the wording here. One quick question, is the uncle=
ar of the above three sentence due to the misuse or misunderstanding
 of the three key words: service/network service, application and policy? &=
nbsp;</span></i></b><span lang=3D"EN-US" style=3D"color:#1F497D"><o:p></o:p=
></span></p>
</blockquote>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<p class=3D"MsoNormal" style=3D"margin-left:24.0pt;mso-para-margin-left:2.0=
gd"><span lang=3D"EN-US">SUPA will provide
</span><span lang=3D"EN-US" style=3D"color:red">guidelines </span><span lan=
g=3D"EN-US">for mechanisms that can dynamically and in an interoperable man=
ner, AUTOMATICALLY
</span><span lang=3D"EN-US" style=3D"color:red">map services and policies d=
efined on an abstract topology graph</span><span lang=3D"EN-US"> down to mo=
re detailed network graphs and specific network management and controlling =
policies.<br>
<br>
SUPA will work on defining </span><span lang=3D"EN-US" style=3D"color:red">=
vendor-neutral standardized interfaces based on the concept of network grap=
h, an entity describing an arbitrary topology of nodes and links at any lev=
el of granularity.
</span><span lang=3D"EN-US"><br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;=
 &nbsp;&nbsp;&nbsp; Benoit: I still have no idea what you mean here.<br>
<br>
SUPA will ensure that in case any specific NETCONF/RESTCONF protocol requir=
ements are identified<br>
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;=
 &nbsp;&nbsp;&nbsp; Benoit: I have no idea why you would need NETCONF/RESTC=
ONF protocol extensions here.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><b><i><span lang=3D"EN-US" style=3D"font-size:10.5pt=
;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">[Wil=
l] IMHO, this extension requirement was introduced by the draft draft-voit-=
netmod-peer-mount-requirements.
</span></i></b><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:&=
quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p></o:p></span>=
</p>
</blockquote>
<p class=3D"MsoNormal" style=3D"margin-left:24.0pt;mso-para-margin-left:2.0=
gd"><span lang=3D"EN-US">It seems that you have all the buzzwords, and that=
's actually a drawback, because you are all over the map (including the use=
 cases).<br>
I've been trying to divide the problem and guide the discussion with my mes=
sage to the list. For example,<o:p></o:p></span></p>
<pre style=3D"margin-left:24.0pt;mso-para-margin-left:2.0gd"><span lang=3D"=
EN-US"><o:p>&nbsp;</o:p></span></pre>
<pre style=3D"margin-left:24.0pt;mso-para-margin-left:2.0gd"><span lang=3D"=
EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -=
--------------------<o:p></o:p></span></pre>
<pre style=3D"margin-left:24.0pt;mso-para-margin-left:2.0gd"><span lang=3D"=
EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |=
&nbsp;&nbsp;&nbsp; applications&nbsp;&nbsp; |<o:p></o:p></span></pre>
<pre style=3D"margin-left:24.0pt;mso-para-margin-left:2.0gd"><span lang=3D"=
EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -=
--------------------<o:p></o:p></span></pre>
<p class=3D"MsoNormal" style=3D"margin-left:24.0pt;mso-para-margin-left:2.0=
gd"><tt><span lang=3D"EN-US" style=3D"font-size:10.0pt">&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp; | &lt;--- service YANG models /NETCONF interface
</span></tt><span lang=3D"EN-US"><o:p></o:p></span></p>
<pre style=3D"margin-left:24.0pt;mso-para-margin-left:2.0gd"><span lang=3D"=
EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;---------------------<o:p></o:p></span></pre>
<p class=3D"MsoNormal" style=3D"margin-left:24.0pt;mso-para-margin-left:2.0=
gd"><tt><span lang=3D"EN-US" style=3D"font-size:10.0pt">&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp; &nbsp; &nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nbsp; controller =
&nbsp;&nbsp; | &lt;--- mapping services to topology
</span></tt><span lang=3D"EN-US"><o:p></o:p></span></p>
<pre style=3D"margin-left:24.0pt;mso-para-margin-left:2.0gd"><span lang=3D"=
EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;---------------------<o:p></o:p></span></pre>
<p class=3D"MsoNormal" style=3D"margin-left:24.0pt;mso-para-margin-left:2.0=
gd"><tt><span lang=3D"EN-US" style=3D"font-size:10.0pt">&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; | &nbsp; &nbsp;&nbsp;=
 | &nbsp; &nbsp;&nbsp; | &lt;--- device/feature specific YANG models / NETC=
ONF interface
</span></tt><span lang=3D"EN-US"><o:p></o:p></span></p>
<pre style=3D"margin-left:24.0pt;mso-para-margin-left:2.0gd"><span lang=3D"=
EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;NE1&nbsp;&nbsp;&nbsp; NE2&nbsp;&nbsp; NEn<o:p></o:p></span></pre>
<pre style=3D"margin-left:24.0pt;mso-para-margin-left:2.0gd"><span lang=3D"=
EN-US"><o:p>&nbsp;</o:p></span></pre>
<p class=3D"MsoNormal" style=3D"margin-left:24.0pt;mso-para-margin-left:2.0=
gd"><span lang=3D"EN-US">... but I'm not sure I've been successful.</span><=
span lang=3D"EN-US" style=3D"color:#1F497D"><o:p></o:p></span></p>
<p class=3D"MsoPlainText"><b><i><span lang=3D"EN-US" style=3D"color:#1F497D=
">[Will] </span>
</i></b><b><i><span lang=3D"EN-US" style=3D"color:#1F497D">Regarding your p=
revious email about this figure, &#8216;Device/Feature YANG models&nbsp; /N=
ETCONF? Yes, for sure, and we should do this full speed&#8217;, do you thin=
k we could put this into the scope of SUPA, if part of
 this &#8216;Device/Feature YANG models&#8217; is not done by NETMOD?<o:p><=
/o:p></span></i></b></p>
<p class=3D"MsoNormal"><b><i><span lang=3D"EN-US" style=3D"font-size:10.5pt=
;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&#82=
17;<o:p></o:p></span></i></b></p>
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I think there could still be what the IETF calls a bar-BOF: we find a =
room and meet to discuss the real BOF. In a way not to have a BOF is =
good since you only can have 2 of those before you need the WG to be =
approved. It gains the group time to put a better plan/charter together.

And yes the 1st answer to get is: who needs this and why before we go =
into details of the implmentation.

/mjm
On Oct 8, 2014, at 4:54 AM, supa-request@ietf.org wrote:

> Send Supa mailing list submissions to
> 	supa@ietf.org
>=20
> To subscribe or unsubscribe via the World Wide Web, visit
> 	https://www.ietf.org/mailman/listinfo/supa
> or, via email, send a message with subject or body 'help' to
> 	supa-request@ietf.org
>=20
> You can reach the person managing the list at
> 	supa-owner@ietf.org
>=20
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Supa digest..."
> Today's Topics:
>=20
>   1. Re: SUPA BoF not approved (Tina TSOU)
>   2. Re: SUPA BoF not approved (Liushucheng (Will))
>=20
> From: Tina TSOU <Tina.Tsou.Zouting@huawei.com>
> Subject: Re: [Supa] SUPA BoF not approved
> Date: October 8, 2014 at 4:42:48 AM EDT
> To: Parviz Yegani <pyegani@juniper.net>, Benoit Claise =
<bclaise@cisco.com>, Georgios Karagiannis =
<georgios.karagiannis@huawei.com>
> Cc: "supa@ietf.org" <supa@ietf.org>
>=20
>=20
> Dear Benoit,
> =20
> > 5. Open question: is there a willingness in the industry to =
standardize services models, knowing that all operators will have =
slightly different services?
> =20
> SUPA wanted to work on service specific abstractions and non-trivial =
mappings.
> =20
> =20
> Thank you,
> Tina
> =20
> From: Supa [mailto:supa-bounces@ietf.org] On Behalf Of Parviz Yegani
> Sent: Monday, October 06, 2014 11:21 PM
> To: Benoit Claise; Georgios Karagiannis
> Cc: supa@ietf.org
> Subject: Re: [Supa] SUPA BoF not approved
> =20
> Hi Benoit,
> =20
> Agreed, with a crowd of 20 people on the call we can=92t accomplish =
much. I=92d suggest we invite only the folks who are
> driving the discussion on the mailing list.  The agenda should focus =
on addressing the questions you raised (highlighted in red)
> below. This is to help remove any confusion and try to converge on =
what we are trying to accomplish in SUPA.
> =20
> Please send me names and a date/time for this call. I=92ll send an =
invite asap.
> =20
> Thanks,
> Parviz
> =20
> From: Benoit Claise [mailto:bclaise@cisco.com]=20
> Sent: Monday, October 06, 2014 2:35 AM
> To: Georgios Karagiannis
> Cc: supa@ietf.org; Parviz Yegani
> Subject: Re: [Supa] SUPA BoF not approved
> =20
> Gergios, Tina, Parviz,
>=20
> Who do we need in this call?
> I'm afraid that a call with 20 persons will not be efficient.
>=20
> Regards, Benoit
> Dear Benoit,
> =20
> Thanks for the provided information.
> Thank you also very much for willing to help us on working out the 5 =
listed remarks, by e.g., using webex calls.
> =20
> Parviz, thank you very much for willing to provide the bridge facility =
for this call.
> =20
> Best regards,
> Georgios
> =20
> =20
> From: Supa [mailto:supa-bounces@ietf.org] On Behalf Of Benoit Claise
> Sent: Friday, October 03, 2014 6:04 PM
> To: supa@ietf.org
> Subject: [Supa] SUPA BoF not approved
> =20
> Dear all,
>=20
> After a lengthy discussion during the BoF coordination call, the IESG =
and IAB have decided not to approve the SUPA BoF.
> The work was not considered mature enough to allocate BoF time.=20
>=20
> However, it doesn't not mean that you should stop working on SUPA.=20
> Below are 5 starting points, which you should consider as positive =
remarks.
> I'm committed to help on those points, potentially with a webex call.
>=20
>=20
> 1. I believe that you should do a better job explaining your problem =
statement and what you actually want to standardize, what the desired =
outcomes are.
> The charter mentions (took some excerpts):
> The SUPA (Shared Unified Policy Automation) working group will work on =
the definition of such a standardized interface for applications and =
network services to communicate with network controllers of all types.
>=20
> In particular, SUPA will focus on service specific models that allow =
applications to request certain network services to be =
created/deleted/modified.=20
>=20
> The terms "UNIFIED" and "SHARED" used in the SUPA abbreviation, relate =
to the way the service policy model is generated, since it groups, =
unifies and shares the similar requirements imposed by a bulk of =
applications.
>                     Benoit: I still have no idea what you mean here.
> SUPA will provide guidelines for mechanisms that can dynamically and =
in an interoperable manner, AUTOMATICALLY map services and policies =
defined on an abstract topology graph down to more detailed network =
graphs and specific network management and controlling policies.
>=20
> SUPA will work on defining vendor-neutral standardized interfaces =
based on the concept of network graph, an entity describing an arbitrary =
topology of nodes and links at any level of granularity.=20
>                     Benoit: I still have no idea what you mean here.
>=20
> SUPA will ensure that in case any specific NETCONF/RESTCONF protocol =
requirements are identified
>                     Benoit: I have no idea why you would need =
NETCONF/RESTCONF protocol extensions here.
> It seems that you have all the buzzwords, and that's actually a =
drawback, because you are all over the map (including the use cases).
> I've been trying to divide the problem and guide the discussion with =
my message to the list. For example,
> =20
>             ---------------------
>             |    applications   |
>             ---------------------
>                     | <--- service YANG models /NETCONF interface
>             ---------------------
>             |     controller    | <--- mapping services to topology
>             ---------------------
>              |      |      | <--- device/feature specific YANG models =
/ NETCONF interface
>             NE1    NE2   NEn
> =20
> ... but I'm not sure I've been successful.
>=20
>=20
> 2. Interaction with the different WGs must be explained/understood.
> Coming back to the deliverables, I understand that you want a =
topology. How is this different than the topology being worked on in =
I2RS? (I see now that this was addressed on the mailing list recentl)
>=20
> >=46rom one of Georgios's email, I see this deliverable:
> 2) The definition and standardization of a number of basic policy and =
data models using network graphs. These might include, but are not =
limited to L3VPNs, traffic engineering, implementation of IPv6 =
transition mechanism and their enforcement to users. =20
> First of, these are very broad deliverables, but also, what is the =
connection with the BESS proposed WG at =
https://datatracker.ietf.org/wg/bess/charter/ . It mentions:
> - Data models for modeling, managing, and operating BGP-based services
> using SMI or YANG.
>=20
> 3. Are the deliverables not too much of a research type?
> >=46rom one of Georgios's email, can you actually standardize such a =
deliverable?
> 3) Provide guidelines for mechanisms that can dynamically and =
automatically map services and policies defined on an abstract topology =
graph down to more detailed network graphs and specific network =
management and controlling policies.
>=20
> 4. You should get other people in your community to support this =
effort.
>=20
> 5. Open question: is there a willingness in the industry to =
standardize services models, knowing that all operators will have =
slightly different services?
> In one of Tina's email, I see: "The IESG suggested network management =
services, especially distributed data center services, before Toronto.". =
I'm not too sure what you are referring to.
>=20
> Regards, Benoit (OPS AD)
> =20
>=20
>=20
>=20
> From: "Liushucheng (Will)" <liushucheng@huawei.com>
> Subject: Re: [Supa] SUPA BoF not approved
> Date: October 8, 2014 at 4:54:00 AM EDT
> To: Benoit Claise <bclaise@cisco.com>
> Cc: "supa@ietf.org" <supa@ietf.org>
>=20
>=20
> Dear Benoit,
> =20
> Thank you very much for your guiding. Your figure and comments really =
helped us a lot in refining this work.  I have some quick questions to =
your first comment, to make sure that we understood you correctly. =
Please see below inline start with [Will]
> =20
> Regards,
> Will
> =20
> From: Supa [mailto:supa-bounces@ietf.org] On Behalf Of Benoit Claise
> Sent: Saturday, October 04, 2014 12:04 AM
> To: supa@ietf.org
> Subject: [Supa] SUPA BoF not approved
> =20
> Dear all,
>=20
> After a lengthy discussion during the BoF coordination call, the IESG =
and IAB have decided not to approve the SUPA BoF.
> The work was not considered mature enough to allocate BoF time.=20
>=20
> However, it doesn't not mean that you should stop working on SUPA.=20
> Below are 5 starting points, which you should consider as positive =
remarks.
> I'm committed to help on those points, potentially with a webex call.
>=20
>=20
> 1. I believe that you should do a better job explaining your problem =
statement and what you actually want to standardize, what the desired =
outcomes are.
> The charter mentions (took some excerpts):
> The SUPA (Shared Unified Policy Automation) working group will work on =
the definition of such a standardized interface for applications and =
network services to communicate with network controllers of all types.
>=20
> In particular, SUPA will focus on service specific models that allow =
applications to request certain network services to be =
created/deleted/modified.=20
>=20
> The terms "UNIFIED" and "SHARED" used in the SUPA abbreviation, relate =
to the way the service policy model is generated, since it groups, =
unifies and shares the similar requirements imposed by a bulk of =
applications.
>                     Benoit: I still have no idea what you mean here.
> [Will] We will try to modify the wording here. One quick question, is =
the unclear of the above three sentence due to the misuse or =
misunderstanding of the three key words: service/network service, =
application and policy? =20
> SUPA will provide guidelines for mechanisms that can dynamically and =
in an interoperable manner, AUTOMATICALLY map services and policies =
defined on an abstract topology graph down to more detailed network =
graphs and specific network management and controlling policies.
>=20
> SUPA will work on defining vendor-neutral standardized interfaces =
based on the concept of network graph, an entity describing an arbitrary =
topology of nodes and links at any level of granularity.=20
>                     Benoit: I still have no idea what you mean here.
>=20
> SUPA will ensure that in case any specific NETCONF/RESTCONF protocol =
requirements are identified
>                     Benoit: I have no idea why you would need =
NETCONF/RESTCONF protocol extensions here.
> [Will] IMHO, this extension requirement was introduced by the draft =
draft-voit-netmod-peer-mount-requirements.
> It seems that you have all the buzzwords, and that's actually a =
drawback, because you are all over the map (including the use cases).
> I've been trying to divide the problem and guide the discussion with =
my message to the list. For example,
> =20
>             ---------------------
>             |    applications   |
>             ---------------------
>                     | <--- service YANG models /NETCONF interface
>             ---------------------
>             |     controller    | <--- mapping services to topology
>             ---------------------
>              |      |      | <--- device/feature specific YANG models =
/ NETCONF interface
>             NE1    NE2   NEn
> =20
> ... but I'm not sure I've been successful.
> [Will] Regarding your previous email about this figure, =
=91Device/Feature YANG models  /NETCONF? Yes, for sure, and we should do =
this full speed=92, do you think we could put this into the scope of =
SUPA, if part of this =91Device/Feature YANG models=92 is not done by =
NETMOD?
> =92
>=20
>=20
> _______________________________________________
> Supa mailing list
> Supa@ietf.org
> https://www.ietf.org/mailman/listinfo/supa


--Apple-Mail=_31EA998F-18AC-449E-A59D-97DD0D9F45F4
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dwindows-1252"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">I =
think there could still be what the IETF calls a bar-BOF: we find a room =
and meet to discuss the real BOF. In a way not to have a BOF is good =
since you only can have 2 of those before you need the WG to be =
approved. It gains the group time to put a better plan/charter =
together.<div><br></div><div>And yes the 1st answer to get is: who needs =
this and why before we go into details of the =
implmentation.</div><div><br></div><div>/mjm<br><div><div>On Oct 8, =
2014, at 4:54 AM, <a =
href=3D"mailto:supa-request@ietf.org">supa-request@ietf.org</a> =
wrote:</div><br class=3D"Apple-interchange-newline"><blockquote =
type=3D"cite"><div bgcolor=3D"white" lang=3D"EN-US" link=3D"blue" =
vlink=3D"purple" style=3D"font-family: Helvetica; font-size: 12px; =
font-style: normal; font-variant: normal; font-weight: normal; =
letter-spacing: normal; line-height: normal; orphans: auto; text-align: =
start; text-indent: 0px; text-transform: none; white-space: normal; =
widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">Send =
Supa mailing list submissions to<br><span class=3D"Apple-tab-span" =
style=3D"white-space: pre;">	</span><a href=3D"mailto:supa@ietf.org" =
style=3D"color: purple; text-decoration: =
underline;">supa@ietf.org</a><br><br>To subscribe or unsubscribe via the =
World Wide Web, visit<br><span class=3D"Apple-tab-span" =
style=3D"white-space: pre;">	</span><a =
href=3D"https://www.ietf.org/mailman/listinfo/supa" style=3D"color: =
purple; text-decoration: =
underline;">https://www.ietf.org/mailman/listinfo/supa</a><br>or, via =
email, send a message with subject or body 'help' to<br><span =
class=3D"Apple-tab-span" style=3D"white-space: pre;">	</span><a =
href=3D"mailto:supa-request@ietf.org" style=3D"color: purple; =
text-decoration: underline;">supa-request@ietf.org</a><br><br>You can =
reach the person managing the list at<br><span class=3D"Apple-tab-span" =
style=3D"white-space: pre;">	</span><a =
href=3D"mailto:supa-owner@ietf.org" style=3D"color: purple; =
text-decoration: underline;">supa-owner@ietf.org</a><br><br>When =
replying, please edit your Subject line so it is more specific<br>than =
"Re: Contents of Supa digest..."<br>Today's =
Topics:<br><br>&nbsp;&nbsp;1. Re: SUPA BoF not approved (Tina =
TSOU)<br>&nbsp;&nbsp;2. Re: SUPA BoF not approved (Liushucheng =
(Will))<br><br><div style=3D"margin: 0px;"><span style=3D"font-family: =
Helvetica; color: rgb(127, 127, 127);"><b>From:<span =
class=3D"Apple-converted-space">&nbsp;</span></b></span><span =
style=3D"font-family: Helvetica;">Tina TSOU &lt;<a =
href=3D"mailto:Tina.Tsou.Zouting@huawei.com" style=3D"color: purple; =
text-decoration: =
underline;">Tina.Tsou.Zouting@huawei.com</a>&gt;<br></span></div><div =
style=3D"margin: 0px;"><span style=3D"font-family: Helvetica; color: =
rgb(127, 127, 127);"><b>Subject:<span =
class=3D"Apple-converted-space">&nbsp;</span></b></span><span =
style=3D"font-family: Helvetica;"><b>Re: [Supa] SUPA BoF not =
approved</b><br></span></div><div style=3D"margin: 0px;"><span =
style=3D"font-family: Helvetica; color: rgb(127, 127, =
127);"><b>Date:<span =
class=3D"Apple-converted-space">&nbsp;</span></b></span><span =
style=3D"font-family: Helvetica;">October 8, 2014 at 4:42:48 AM =
EDT<br></span></div><div style=3D"margin: 0px;"><span =
style=3D"font-family: Helvetica; color: rgb(127, 127, 127);"><b>To:<span =
class=3D"Apple-converted-space">&nbsp;</span></b></span><span =
style=3D"font-family: Helvetica;">Parviz Yegani &lt;<a =
href=3D"mailto:pyegani@juniper.net" style=3D"color: purple; =
text-decoration: underline;">pyegani@juniper.net</a>&gt;, Benoit Claise =
&lt;<a href=3D"mailto:bclaise@cisco.com" style=3D"color: purple; =
text-decoration: underline;">bclaise@cisco.com</a>&gt;, Georgios =
Karagiannis &lt;<a href=3D"mailto:georgios.karagiannis@huawei.com" =
style=3D"color: purple; text-decoration: =
underline;">georgios.karagiannis@huawei.com</a>&gt;<br></span></div><div =
style=3D"margin: 0px;"><span style=3D"font-family: Helvetica; color: =
rgb(127, 127, 127);"><b>Cc:<span =
class=3D"Apple-converted-space">&nbsp;</span></b></span><span =
style=3D"font-family: Helvetica;">"<a href=3D"mailto:supa@ietf.org" =
style=3D"color: purple; text-decoration: underline;">supa@ietf.org</a>" =
&lt;<a href=3D"mailto:supa@ietf.org" style=3D"color: purple; =
text-decoration: =
underline;">supa@ietf.org</a>&gt;<br></span></div><br><br><div =
class=3D"WordSection1" style=3D"page: WordSection1;"><div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">Dear =
Benoit,<o:p></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">&nbsp;</span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">&gt; 5. Open question: is there a willingness in the =
industry to standardize services models, knowing that all operators will =
have slightly different services?<o:p></o:p></span></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">&nbsp;</span></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">SUPA wanted to work on =
service specific abstractions and non-trivial =
mappings.<o:p></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">&nbsp;</span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">&nbsp;</span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">Thank you,<o:p></o:p></span></div><div style=3D"margin:=
 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, =
125);">Tina<o:p></o:p></span></div></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">&nbsp;</span></div><div><div style=3D"border-style: =
solid none none; border-top-color: rgb(181, 196, 223); border-top-width: =
1pt; padding: 3pt 0in 0in;"><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><b><span =
style=3D"font-size: 10pt; font-family: Tahoma, sans-serif; color: =
windowtext;">From:</span></b><span style=3D"font-size: 10pt; =
font-family: Tahoma, sans-serif; color: windowtext;"><span =
class=3D"Apple-converted-space">&nbsp;</span>Supa [<a =
href=3D"mailto:supa-bounces@ietf.org" style=3D"color: purple; =
text-decoration: underline;">mailto:supa-bounces@ietf.org</a>]<span =
class=3D"Apple-converted-space">&nbsp;</span><b>On Behalf Of<span =
class=3D"Apple-converted-space">&nbsp;</span></b>Parviz =
Yegani<br><b>Sent:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>Monday, October 06, 2014 =
11:21 PM<br><b>To:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>Benoit Claise; Georgios =
Karagiannis<br><b>Cc:</b><span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:supa@ietf.org" style=3D"color: purple; text-decoration: =
underline;">supa@ietf.org</a><br><b>Subject:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>Re: [Supa] SUPA BoF not =
approved<o:p></o:p></span></div></div></div><div style=3D"margin: 0cm =
0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><o:p>&nbsp;</o:p></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">Hi Benoit,<o:p></o:p></span></div><div style=3D"margin:=
 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);">&nbsp;</span></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">Agreed, with a crowd of =
20 people on the call we can=92t accomplish much. I=92d suggest we =
invite only the folks who are<o:p></o:p></span></div><div style=3D"margin:=
 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);">driving the discussion on the =
mailing list. &nbsp;The agenda should focus on addressing the questions =
you raised (highlighted in red)<o:p></o:p></span></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">below. This is to help =
remove any confusion and try to converge on what we are trying to =
accomplish in SUPA.<o:p></o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">&nbsp;</span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">Please send me names and a date/time for this call. =
I=92ll send an invite asap.<o:p></o:p></span></div><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);">&nbsp;</span></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, =
125);">Thanks,<o:p></o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">Parviz<o:p></o:p></span></div><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);">&nbsp;</span></div><div><div =
style=3D"border-style: solid none none; border-top-color: rgb(225, 225, =
225); border-top-width: 1pt; padding: 3pt 0in 0in;"><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><b><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: windowtext;">From:</span></b><span style=3D"font-size: =
11pt; font-family: Calibri, sans-serif; color: windowtext;"><span =
class=3D"Apple-converted-space">&nbsp;</span>Benoit Claise [<a =
href=3D"mailto:bclaise@cisco.com" style=3D"color: purple; =
text-decoration: underline;">mailto:bclaise@cisco.com</a>]<span =
class=3D"Apple-converted-space">&nbsp;</span><br><b>Sent:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>Monday, October 06, 2014 =
2:35 AM<br><b>To:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>Georgios =
Karagiannis<br><b>Cc:</b><span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:supa@ietf.org" style=3D"color: purple; text-decoration: =
underline;">supa@ietf.org</a>; Parviz Yegani<br><b>Subject:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>Re: [Supa] SUPA BoF not =
approved<o:p></o:p></span></div></div></div><div style=3D"margin: 0cm =
0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><o:p>&nbsp;</o:p></div><div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;">Gergios, Tina, Parviz,<br><br>Who do we need in this =
call?<br>I'm afraid that a call with 20 persons will not be =
efficient.<br><br>Regards, Benoit<o:p></o:p></div></div><blockquote =
style=3D"margin-top: 5pt; margin-bottom: 5pt;"><div style=3D"margin: 0cm =
0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);">Dear =
Benoit,</span><o:p></o:p></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">&nbsp;</span><o:p></o:p></div><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);">Thanks for the provided =
information.</span><o:p></o:p></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">Thank you also very much for willing to help us on =
working out the 5 listed remarks, by e.g., using webex =
calls.</span><o:p></o:p></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">&nbsp;</span><o:p></o:p></div><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);">Parviz, thank you very much for =
willing to provide the bridge facility for this =
call.</span><o:p></o:p></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">&nbsp;</span><o:p></o:p></div><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);">Best =
regards,</span><o:p></o:p></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">Georgios</span><o:p></o:p></div><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);">&nbsp;</span><o:p></o:p></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, =
125);">&nbsp;</span><o:p></o:p></div><div style=3D"border-style: none =
none none solid; border-left-color: blue; border-left-width: 1.5pt; =
padding: 0in 0in 0in 4pt;"><div><div style=3D"border-style: solid none =
none; border-top-color: rgb(181, 196, 223); border-top-width: 1pt; =
padding: 3pt 0in 0in;"><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><b><span =
style=3D"font-size: 10pt; font-family: Tahoma, sans-serif; color: =
windowtext;">From:</span></b><span style=3D"font-size: 10pt; =
font-family: Tahoma, sans-serif; color: windowtext;"><span =
class=3D"Apple-converted-space">&nbsp;</span>Supa [<a =
href=3D"mailto:supa-bounces@ietf.org" style=3D"color: purple; =
text-decoration: underline;">mailto:supa-bounces@ietf.org</a>]<span =
class=3D"Apple-converted-space">&nbsp;</span><b>On Behalf Of<span =
class=3D"Apple-converted-space">&nbsp;</span></b>Benoit =
Claise<br><b>Sent:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>Friday, October 03, 2014 =
6:04 PM<br><b>To:</b><span class=3D"Apple-converted-space">&nbsp;</span><a=
 href=3D"mailto:supa@ietf.org" style=3D"color: purple; text-decoration: =
underline;">supa@ietf.org</a><br><b>Subject:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>[Supa] SUPA BoF not =
approved</span><o:p></o:p></div></div></div><div style=3D"margin: 0cm =
0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;">&nbsp;<o:p></o:p></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;">Dear =
all,<br><br>After a lengthy discussion during the BoF coordination call, =
the IESG and IAB have decided not to approve the SUPA BoF.<br>The work =
was not considered mature enough to allocate BoF time.<span =
class=3D"Apple-converted-space">&nbsp;</span><br><br>However, it doesn't =
not mean that you should stop working on SUPA.<span =
class=3D"Apple-converted-space">&nbsp;</span><br>Below are 5 starting =
points, which you should consider as positive remarks.<br>I'm committed =
to help on those points, potentially with a webex call.<br><br><br>1. I =
believe that you should do a better job explaining your problem =
statement and what you actually want to standardize, what the desired =
outcomes are.<br>The charter mentions (took some =
excerpts):<o:p></o:p></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;">The SUPA =
(Shared Unified Policy Automation) working group will work on the =
definition of such<span class=3D"Apple-converted-space">&nbsp;</span><span=
 style=3D"color: red;">a standardized interface for applications and =
network services to communicate with network controllers of all =
types.</span><br><br>In particular, SUPA will focus on<span =
class=3D"Apple-converted-space">&nbsp;</span><span style=3D"color: =
red;">service specific models</span><span =
class=3D"Apple-converted-space">&nbsp;</span>that allow applications =
to<span class=3D"Apple-converted-space">&nbsp;</span><span style=3D"color:=
 red;">request certain network services to be =
created/deleted/modified.<span =
class=3D"Apple-converted-space">&nbsp;</span><br></span><br><span =
style=3D"color: red;">The terms "UNIFIED" and "SHARED" used in the SUPA =
abbreviation, relate to the way the service policy model is generated, =
since it groups, unifies and shares the similar requirements imposed by =
a bulk of applications.</span><br>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Benoit: I still =
have no idea what you mean here.<o:p></o:p></div><blockquote =
style=3D"margin-top: 5pt; margin-bottom: 5pt;"><div style=3D"margin: 0cm =
0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;">SUPA will provide<span =
class=3D"Apple-converted-space">&nbsp;</span><span style=3D"color: =
red;">guidelines<span =
class=3D"Apple-converted-space">&nbsp;</span></span>for mechanisms that =
can dynamically and in an interoperable manner, AUTOMATICALLY<span =
class=3D"Apple-converted-space">&nbsp;</span><span style=3D"color: =
red;">map services and policies defined on an abstract topology =
graph</span><span class=3D"Apple-converted-space">&nbsp;</span>down to =
more detailed network graphs and specific network management and =
controlling policies.<br><br>SUPA will work on defining<span =
class=3D"Apple-converted-space">&nbsp;</span><span style=3D"color: =
red;">vendor-neutral standardized interfaces based on the concept of =
network graph, an entity describing an arbitrary topology of nodes and =
links at any level of granularity.<span =
class=3D"Apple-converted-space">&nbsp;</span></span><br>&nbsp;&nbsp;&nbsp;=
 &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp; Benoit: I still have no idea what you mean =
here.<br><br>SUPA will ensure that in case any specific NETCONF/RESTCONF =
protocol requirements are identified<br>&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp; Benoit: I have no idea why you would need =
NETCONF/RESTCONF protocol extensions =
here.<o:p></o:p></div></blockquote><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">It =
seems that you have all the buzzwords, and that's actually a drawback, =
because you are all over the map (including the use cases).<br>I've been =
trying to divide the problem and guide the discussion with my message to =
the list. For example,<o:p></o:p></div><pre style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 10pt; font-family: 'Courier =
New';">&nbsp;<o:p></o:p></pre><pre style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 10pt; font-family: 'Courier =
New';">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
---------------------<o:p></o:p></pre><pre style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 10pt; font-family: 'Courier =
New';">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
|&nbsp;&nbsp;&nbsp; applications&nbsp;&nbsp; |<o:p></o:p></pre><pre =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: =
'Courier =
New';">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
---------------------<o:p></o:p></pre><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><tt =
style=3D"font-family: 'Courier New';"><span style=3D"font-size: =
10pt;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; | &lt;--- service YANG =
models /NETCONF interface</span></tt><o:p></o:p></div><pre =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: =
'Courier =
New';">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;---------------------<o:p></o:p></pre><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><tt =
style=3D"font-family: 'Courier New';"><span style=3D"font-size: =
10pt;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp;&nbsp;&nbsp; =
|&nbsp;&nbsp;&nbsp;&nbsp; controller &nbsp;&nbsp; | &lt;--- mapping =
services to topology</span></tt><o:p></o:p></div><pre style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Courier =
New';">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;---------------------<o:p></o:p></pre><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><tt =
style=3D"font-family: 'Courier New';"><span style=3D"font-size: =
10pt;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp; | &nbsp; &nbsp;&nbsp; | &nbsp; &nbsp;&nbsp; | &lt;--- =
device/feature specific YANG models / NETCONF =
interface</span></tt><o:p></o:p></div><pre style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 10pt; font-family: 'Courier =
New';">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;NE1&nbsp;&nbsp;&nbsp; NE2&nbsp;&nbsp; NEn<o:p></o:p></pre><pre =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: =
'Courier New';">&nbsp;<o:p></o:p></pre><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">... =
but I'm not sure I've been successful.<br><br><br>2. Interaction with =
the different WGs must be explained/understood.<br>Coming back to the =
deliverables, I understand that you want a topology. How is this =
different than the topology being worked on in I2RS? (I see now that =
this was addressed on the mailing list recentl)<br><br>&gt;=46rom one of =
Georgios's email, I see this deliverable:<o:p></o:p></div><pre =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: =
'Courier New';">2) The definition and standardization of a number of =
basic policy and data models using network graphs. These might include, =
but are not limited to L3VPNs, traffic engineering, implementation of =
IPv6 transition mechanism and their enforcement to users.&nbsp; =
<o:p></o:p></pre><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: =
12pt; font-family: 'Times New Roman', serif;">First of, these are very =
broad deliverables, but also, what is the connection with the BESS =
proposed WG at<span class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"https://datatracker.ietf.org/wg/bess/charter/" style=3D"color: =
purple; text-decoration: =
underline;">https://datatracker.ietf.org/wg/bess/charter/</a><span =
class=3D"Apple-converted-space">&nbsp;</span>. It =
mentions:<o:p></o:p></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;">- Data models =
for modeling, managing, and operating BGP-based services<br>using SMI or =
YANG.<o:p></o:p></div><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: =
12pt; font-family: 'Times New Roman', serif;"><br>3. Are the =
deliverables not too much of a research type?<br>&gt;=46rom one of =
Georgios's email, can you actually standardize such a =
deliverable?<o:p></o:p></div><pre style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 10pt; font-family: 'Courier New';">3) Provide guidelines for =
mechanisms that can dynamically and automatically map services and =
policies defined on an abstract topology graph down to more detailed =
network graphs and specific network management and controlling =
policies.<o:p></o:p></pre><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><br>4. You =
should get other people in your community to support this =
effort.<br><br>5. Open question: is there a willingness in the industry =
to standardize services models, knowing that all operators will have =
slightly different services?<br>In one of Tina's email, I see: "The IESG =
suggested network management services, especially distributed data =
center services, before Toronto.". I'm not too sure what you are =
referring to.<br><br>Regards, Benoit (OPS =
AD)<o:p></o:p></div></div></blockquote><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><o:p>&nbsp;</o:p></div></div><br><br><br><div style=3D"margin: =
0px;"><span style=3D"font-family: Helvetica; color: rgb(127, 127, =
127);"><b>From:<span =
class=3D"Apple-converted-space">&nbsp;</span></b></span><span =
style=3D"font-family: Helvetica;">"Liushucheng (Will)" &lt;<a =
href=3D"mailto:liushucheng@huawei.com" style=3D"color: purple; =
text-decoration: =
underline;">liushucheng@huawei.com</a>&gt;<br></span></div><div =
style=3D"margin: 0px;"><span style=3D"font-family: Helvetica; color: =
rgb(127, 127, 127);"><b>Subject:<span =
class=3D"Apple-converted-space">&nbsp;</span></b></span><span =
style=3D"font-family: Helvetica;"><b>Re: [Supa] SUPA BoF not =
approved</b><br></span></div><div style=3D"margin: 0px;"><span =
style=3D"font-family: Helvetica; color: rgb(127, 127, =
127);"><b>Date:<span =
class=3D"Apple-converted-space">&nbsp;</span></b></span><span =
style=3D"font-family: Helvetica;">October 8, 2014 at 4:54:00 AM =
EDT<br></span></div><div style=3D"margin: 0px;"><span =
style=3D"font-family: Helvetica; color: rgb(127, 127, 127);"><b>To:<span =
class=3D"Apple-converted-space">&nbsp;</span></b></span><span =
style=3D"font-family: Helvetica;">Benoit Claise &lt;<a =
href=3D"mailto:bclaise@cisco.com" style=3D"color: purple; =
text-decoration: =
underline;">bclaise@cisco.com</a>&gt;<br></span></div><div =
style=3D"margin: 0px;"><span style=3D"font-family: Helvetica; color: =
rgb(127, 127, 127);"><b>Cc:<span =
class=3D"Apple-converted-space">&nbsp;</span></b></span><span =
style=3D"font-family: Helvetica;">"<a href=3D"mailto:supa@ietf.org" =
style=3D"color: purple; text-decoration: underline;">supa@ietf.org</a>" =
&lt;<a href=3D"mailto:supa@ietf.org" style=3D"color: purple; =
text-decoration: =
underline;">supa@ietf.org</a>&gt;<br></span></div><br><br><div =
class=3D"WordSection1" style=3D"page: WordSection1;"><div style=3D"margin:=
 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">Dear =
Benoit,<o:p></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);">&nbsp;</span></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span lang=3D"EN-US" style=3D"font-size: 10.5pt; =
font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">Thank you =
very much for your guiding. Your figure and comments really helped us a =
lot in refining this work. &nbsp;I have some quick questions to your =
first comment, to make sure that we understood you correctly. Please see =
below inline start with [Will]<o:p></o:p></span></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span lang=3D"EN-US" style=3D"font-size: 10.5pt; =
font-family: Calibri, sans-serif; color: rgb(31, 73, =
125);">&nbsp;</span></div><div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif; text-align: =
justify;"><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">Regards,</span><span =
lang=3D"EN-US" style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);"><o:p></o:p></span></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif; text-align: justify;"><span lang=3D"EN-US" =
style=3D"font-size: 10.5pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">Will</span><span lang=3D"EN-US" style=3D"font-size: =
10.5pt; font-family: Calibri, sans-serif; color: rgb(31, 73, =
125);"><o:p></o:p></span></div></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);">&nbsp;</span></div><div =
style=3D"border-style: none none none solid; border-left-color: blue; =
border-left-width: 1.5pt; padding: 0cm 0cm 0cm 4pt;"><div><div =
style=3D"border-style: solid none none; border-top-color: rgb(225, 225, =
225); border-top-width: 1pt; padding: 3pt 0cm 0cm;"><div style=3D"margin: =
0cm 0cm 0.0001pt 24pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><b><span lang=3D"EN-US" style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: windowtext;">From:</span></b><span =
lang=3D"EN-US" style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: windowtext;"><span =
class=3D"Apple-converted-space">&nbsp;</span>Supa [<a =
href=3D"mailto:supa-bounces@ietf.org" style=3D"color: purple; =
text-decoration: underline;">mailto:supa-bounces@ietf.org</a>]<span =
class=3D"Apple-converted-space">&nbsp;</span><b>On Behalf Of<span =
class=3D"Apple-converted-space">&nbsp;</span></b>Benoit =
Claise<br><b>Sent:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>Saturday, October 04, 2014 =
12:04 AM<br><b>To:</b><span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:supa@ietf.org" style=3D"color: purple; text-decoration: =
underline;">supa@ietf.org</a><br><b>Subject:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>[Supa] SUPA BoF not =
approved<o:p></o:p></span></div></div></div><div style=3D"margin: 0cm =
0cm 0.0001pt 24pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span lang=3D"EN-US">&nbsp;</span></div><div style=3D"margin: =
0cm 0cm 0.0001pt 24pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span lang=3D"EN-US">Dear all,<br><br>After a lengthy discussion =
during the BoF coordination call, the IESG and IAB have decided not to =
approve the SUPA BoF.<br>The work was not considered mature enough to =
allocate BoF time.<span =
class=3D"Apple-converted-space">&nbsp;</span><br><br>However, it doesn't =
not mean that you should stop working on SUPA.<span =
class=3D"Apple-converted-space">&nbsp;</span><br>Below are 5 starting =
points, which you should consider as positive remarks.<br>I'm committed =
to help on those points, potentially with a webex call.<br><br><br>1. I =
believe that you should do a better job explaining your problem =
statement and what you actually want to standardize, what the desired =
outcomes are.<br>The charter mentions (took some =
excerpts):<o:p></o:p></span></div><blockquote style=3D"margin-top: 5pt; =
margin-bottom: 5pt;"><div style=3D"margin: 0cm 0cm 0.0001pt 24pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
lang=3D"EN-US">The SUPA (Shared Unified Policy Automation) working group =
will work on the definition of such<span =
class=3D"Apple-converted-space">&nbsp;</span></span><span lang=3D"EN-US" =
style=3D"color: red;">a standardized interface for applications and =
network services to communicate with network controllers of all =
types.</span><span lang=3D"EN-US"><br><br>In particular, SUPA will focus =
on<span class=3D"Apple-converted-space">&nbsp;</span></span><span =
lang=3D"EN-US" style=3D"color: red;">service specific models</span><span =
lang=3D"EN-US"><span class=3D"Apple-converted-space">&nbsp;</span>that =
allow applications to<span =
class=3D"Apple-converted-space">&nbsp;</span></span><span lang=3D"EN-US" =
style=3D"color: red;">request certain network services to be =
created/deleted/modified.<span =
class=3D"Apple-converted-space">&nbsp;</span><br></span><span =
lang=3D"EN-US"><br></span><span lang=3D"EN-US" style=3D"color: red;">The =
terms "UNIFIED" and "SHARED" used in the SUPA abbreviation, relate to =
the way the service policy model is generated, since it groups, unifies =
and shares the similar requirements imposed by a bulk of =
applications.</span><span lang=3D"EN-US"><br>&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp; Benoit: I still have no idea what you mean =
here.</span><span lang=3D"EN-US" style=3D"color: rgb(31, 73, =
125);"><o:p></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><b><i><span =
lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);">[Will] We will try to modify the =
wording here. One quick question, is the unclear of the above three =
sentence due to the misuse or misunderstanding of the three key words: =
service/network service, application and policy? =
&nbsp;</span></i></b><span lang=3D"EN-US" style=3D"color: rgb(31, 73, =
125);"><o:p></o:p></span></div></blockquote><blockquote =
style=3D"margin-top: 5pt; margin-bottom: 5pt;"><div style=3D"margin: 0cm =
0cm 0.0001pt 24pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span lang=3D"EN-US">SUPA will provide<span =
class=3D"Apple-converted-space">&nbsp;</span></span><span lang=3D"EN-US" =
style=3D"color: red;">guidelines<span =
class=3D"Apple-converted-space">&nbsp;</span></span><span =
lang=3D"EN-US">for mechanisms that can dynamically and in an =
interoperable manner, AUTOMATICALLY<span =
class=3D"Apple-converted-space">&nbsp;</span></span><span lang=3D"EN-US" =
style=3D"color: red;">map services and policies defined on an abstract =
topology graph</span><span lang=3D"EN-US"><span =
class=3D"Apple-converted-space">&nbsp;</span>down to more detailed =
network graphs and specific network management and controlling =
policies.<br><br>SUPA will work on defining<span =
class=3D"Apple-converted-space">&nbsp;</span></span><span lang=3D"EN-US" =
style=3D"color: red;">vendor-neutral standardized interfaces based on =
the concept of network graph, an entity describing an arbitrary topology =
of nodes and links at any level of granularity.<span =
class=3D"Apple-converted-space">&nbsp;</span></span><span =
lang=3D"EN-US"><br>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Benoit: I still =
have no idea what you mean here.<br><br>SUPA will ensure that in case =
any specific NETCONF/RESTCONF protocol requirements are =
identified<br>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Benoit: I have no idea why you =
would need NETCONF/RESTCONF protocol extensions =
here.<o:p></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><b><i><span =
lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);">[Will] IMHO, this extension =
requirement was introduced by the draft =
draft-voit-netmod-peer-mount-requirements.</span></i></b><span =
lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, =
125);"><o:p></o:p></span></div></blockquote><div style=3D"margin: 0cm =
0cm 0.0001pt 24pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span lang=3D"EN-US">It seems that you have all the buzzwords, =
and that's actually a drawback, because you are all over the map =
(including the use cases).<br>I've been trying to divide the problem and =
guide the discussion with my message to the list. For =
example,<o:p></o:p></span></div><pre style=3D"margin: 0cm 0cm 0.0001pt =
24pt; font-size: 10pt; font-family: 'Courier New';"><span =
lang=3D"EN-US">&nbsp;</span></pre><pre style=3D"margin: 0cm 0cm 0.0001pt =
24pt; font-size: 10pt; font-family: 'Courier New';"><span =
lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp; ---------------------<o:p></o:p></span></pre><pre style=3D"margin:=
 0cm 0cm 0.0001pt 24pt; font-size: 10pt; font-family: 'Courier =
New';"><span =
lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp; |&nbsp;&nbsp;&nbsp; applications&nbsp;&nbsp; =
|<o:p></o:p></span></pre><pre style=3D"margin: 0cm 0cm 0.0001pt 24pt; =
font-size: 10pt; font-family: 'Courier New';"><span =
lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp; ---------------------<o:p></o:p></span></pre><div style=3D"margin:=
 0cm 0cm 0.0001pt 24pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><tt style=3D"font-family: 'Courier New';"><span lang=3D"EN-US" =
style=3D"font-size: =
10pt;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; | &lt;--- service YANG =
models /NETCONF interface</span></tt><span =
lang=3D"EN-US"><o:p></o:p></span></div><pre style=3D"margin: 0cm 0cm =
0.0001pt 24pt; font-size: 10pt; font-family: 'Courier New';"><span =
lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;---------------------<o:p></o:p></span></pre><div =
style=3D"margin: 0cm 0cm 0.0001pt 24pt; font-size: 12pt; font-family: =
'Times New Roman', serif;"><tt style=3D"font-family: 'Courier =
New';"><span lang=3D"EN-US" style=3D"font-size: =
10pt;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp;&nbsp;&nbsp; =
|&nbsp;&nbsp;&nbsp;&nbsp; controller &nbsp;&nbsp; | &lt;--- mapping =
services to topology</span></tt><span =
lang=3D"EN-US"><o:p></o:p></span></div><pre style=3D"margin: 0cm 0cm =
0.0001pt 24pt; font-size: 10pt; font-family: 'Courier New';"><span =
lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;---------------------<o:p></o:p></span></pre><div =
style=3D"margin: 0cm 0cm 0.0001pt 24pt; font-size: 12pt; font-family: =
'Times New Roman', serif;"><tt style=3D"font-family: 'Courier =
New';"><span lang=3D"EN-US" style=3D"font-size: =
10pt;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp; | &nbsp; &nbsp;&nbsp; | &nbsp; &nbsp;&nbsp; | &lt;--- =
device/feature specific YANG models / NETCONF interface</span></tt><span =
lang=3D"EN-US"><o:p></o:p></span></div><pre style=3D"margin: 0cm 0cm =
0.0001pt 24pt; font-size: 10pt; font-family: 'Courier New';"><span =
lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;NE1&nbsp;&nbsp;&nbsp; NE2&nbsp;&nbsp; =
NEn<o:p></o:p></span></pre><pre style=3D"margin: 0cm 0cm 0.0001pt 24pt; =
font-size: 10pt; font-family: 'Courier New';"><span =
lang=3D"EN-US">&nbsp;</span></pre><div style=3D"margin: 0cm 0cm 0.0001pt =
24pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
lang=3D"EN-US">... but I'm not sure I've been successful.</span><span =
lang=3D"EN-US" style=3D"color: rgb(31, 73, =
125);"><o:p></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 10.5pt; font-family: Calibri, sans-serif;"><b><i><span =
lang=3D"EN-US" style=3D"color: rgb(31, 73, 125);">[Will]<span =
class=3D"Apple-converted-space">&nbsp;</span></span></i></b><b><i><span =
lang=3D"EN-US" style=3D"color: rgb(31, 73, 125);">Regarding your =
previous email about this figure, =91Device/Feature YANG models&nbsp; =
/NETCONF? Yes, for sure, and we should do this full speed=92, do you =
think we could put this into the scope of SUPA, if part of this =
=91Device/Feature YANG models=92 is not done by =
NETMOD?<o:p></o:p></span></i></b></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><b><i><span lang=3D"EN-US" style=3D"font-size: 10.5pt; =
font-family: Calibri, sans-serif; color: rgb(31, 73, =
125);">=92<o:p></o:p></span></i></b></div></div></div><br><br>____________=
___________________________________<br>Supa mailing list<br><a =
href=3D"mailto:Supa@ietf.org" style=3D"color: purple; text-decoration: =
underline;">Supa@ietf.org</a><br><a =
href=3D"https://www.ietf.org/mailman/listinfo/supa" style=3D"color: =
purple; text-decoration: =
underline;">https://www.ietf.org/mailman/listinfo/supa</a><br></div></bloc=
kquote></div><br></div></body></html>=

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From nobody Wed Oct  8 03:03:41 2014
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From: Kostas Pentikousis <k.pentikousis@eict.de>
To: Marie-Jose Montpetit <mariejose@me.com>, "supa@ietf.org" <supa@ietf.org>
Date: Wed, 8 Oct 2014 12:03:31 +0200
Thread-Topic: [Supa] SUPA BoF not approved
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Subject: Re: [Supa] SUPA BoF not approved
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Indeed, an excellent idea. A Bar-BOF would be a great to nail down f2f the =
critical aspects. The downside, of course, is that remote participation is =
not really possible.

Perhaps we could have a separate tele-bar-BOF prior to the physical bar-BOF=
, say the week before the meeting?

Best regards,

Kostas

Von: Marie-Jose Montpetit [mailto:mariejose@me.com]
Gesendet: Mittwoch, 8. Oktober 2014 11:47
An: supa@ietf.org
Betreff: Re: [Supa] Supa Digest, Vol 3, Issue 8

I think there could still be what the IETF calls a bar-BOF: we find a room =
and meet to discuss the real BOF. In a way not to have a BOF is good since =
you only can have 2 of those before you need the WG to be approved. It gain=
s the group time to put a better plan/charter together.

And yes the 1st answer to get is: who needs this and why before we go into =
details of the implmentation.

/mjm

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</o:shapelayout></xml><![endif]--></head><body lang=3DDE link=3Dblue vlink=
=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span lang=3DEN-US=
 style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D=
'>Indeed, an excellent idea. A Bar-BOF would be a great to nail down f2f th=
e critical aspects. The downside, of course, is that remote participation i=
s not really possible.<o:p></o:p></span></p><p class=3DMsoNormal><span lang=
=3DEN-US style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color=
:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span lang=3DEN-=
US style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F49=
7D'>Perhaps we could have a separate tele-bar-BOF prior to the physical bar=
-BOF, say the week before the meeting?<o:p></o:p></span></p><p class=3DMsoN=
ormal><span lang=3DEN-US style=3D'font-size:11.0pt;font-family:"Calibri","s=
ans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><div><p class=3DMsoNo=
rmal><span style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";col=
or:#1F497D'>Best regards,<o:p></o:p></span></p><p class=3DMsoNormal><span s=
tyle=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>=
<o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span style=3D'font-size:1=
1.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Kostas<o:p></o:p></=
span></p></div><p class=3DMsoNormal><span style=3D'font-size:11.0pt;font-fa=
mily:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><div=
 style=3D'border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0p=
t'><div><div style=3D'border:none;border-top:solid #B5C4DF 1.0pt;padding:3.=
0pt 0cm 0cm 0cm'><p class=3DMsoNormal><b><span style=3D'font-size:10.0pt;fo=
nt-family:"Tahoma","sans-serif"'>Von:</span></b><span style=3D'font-size:10=
.0pt;font-family:"Tahoma","sans-serif"'> Marie-Jose Montpetit [mailto:marie=
jose@me.com] <br><b>Gesendet:</b> Mittwoch, 8. Oktober 2014 11:47<br><b>An:=
</b> supa@ietf.org<br><b>Betreff:</b> Re: [Supa] Supa Digest, Vol 3, Issue =
8<o:p></o:p></span></p></div></div><p class=3DMsoNormal><o:p>&nbsp;</o:p></=
p><p class=3DMsoNormal>I think there could still be what the IETF calls a b=
ar-BOF: we find a room and meet to discuss the real BOF. In a way not to ha=
ve a BOF is good since you only can have 2 of those before you need the WG =
to be approved. It gains the group time to put a better plan/charter togeth=
er.<o:p></o:p></p><div><p class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div=
><p class=3DMsoNormal>And yes the 1st answer to get is: who needs this and =
why before we go into details of the implmentation.<o:p></o:p></p></div><di=
v><p class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p class=3DMsoNormal=
>/mjm<o:p></o:p></p></div></div></div></body></html>=

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Date: Wed, 8 Oct 2014 10:44:56 -0700
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From: Parviz Yegani <pyegani@gmail.com>
To: Marie-Jose Montpetit <mariejose@me.com>
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Subject: Re: [Supa] Supa Digest, Vol 3, Issue 8
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Yes, arranging for a bar-BoF is a good idea. We have done it in the past
and it would really help if planned in advance.

Thanks,
Parviz

On Wed, Oct 8, 2014 at 2:47 AM, Marie-Jose Montpetit <mariejose@me.com>
wrote:

> I think there could still be what the IETF calls a bar-BOF: we find a roo=
m
> and meet to discuss the real BOF. In a way not to have a BOF is good sinc=
e
> you only can have 2 of those before you need the WG to be approved. It
> gains the group time to put a better plan/charter together.
>
> And yes the 1st answer to get is: who needs this and why before we go int=
o
> details of the implmentation.
>
> /mjm
> On Oct 8, 2014, at 4:54 AM, supa-request@ietf.org wrote:
>
> Send Supa mailing list submissions to
> supa@ietf.org
>
> To subscribe or unsubscribe via the World Wide Web, visit
> https://www.ietf.org/mailman/listinfo/supa
> or, via email, send a message with subject or body 'help' to
> supa-request@ietf.org
>
> You can reach the person managing the list at
> supa-owner@ietf.org
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Supa digest..."
> Today's Topics:
>
>   1. Re: SUPA BoF not approved (Tina TSOU)
>   2. Re: SUPA BoF not approved (Liushucheng (Will))
>
> *From: *Tina TSOU <Tina.Tsou.Zouting@huawei.com>
> *Subject: **Re: [Supa] SUPA BoF not approved*
> *Date: *October 8, 2014 at 4:42:48 AM EDT
> *To: *Parviz Yegani <pyegani@juniper.net>, Benoit Claise <
> bclaise@cisco.com>, Georgios Karagiannis <georgios.karagiannis@huawei.com=
>
> *Cc: *"supa@ietf.org" <supa@ietf.org>
>
>
> Dear Benoit,
>
> > 5. Open question: is there a willingness in the industry to standardize
> services models, knowing that all operators will have slightly different
> services?
>
> SUPA wanted to work on service specific abstractions and non-trivial
> mappings.
>
>
> Thank you,
> Tina
>
> *From:* Supa [mailto:supa-bounces@ietf.org <supa-bounces@ietf.org>] *On
> Behalf Of *Parviz Yegani
> *Sent:* Monday, October 06, 2014 11:21 PM
> *To:* Benoit Claise; Georgios Karagiannis
> *Cc:* supa@ietf.org
> *Subject:* Re: [Supa] SUPA BoF not approved
>
> Hi Benoit,
>
> Agreed, with a crowd of 20 people on the call we can=E2=80=99t accomplish=
 much.
> I=E2=80=99d suggest we invite only the folks who are
> driving the discussion on the mailing list.  The agenda should focus on
> addressing the questions you raised (highlighted in red)
> below. This is to help remove any confusion and try to converge on what w=
e
> are trying to accomplish in SUPA.
>
> Please send me names and a date/time for this call. I=E2=80=99ll send an =
invite
> asap.
>
> Thanks,
> Parviz
>
> *From:* Benoit Claise [mailto:bclaise@cisco.com <bclaise@cisco.com>]
> *Sent:* Monday, October 06, 2014 2:35 AM
> *To:* Georgios Karagiannis
> *Cc:* supa@ietf.org; Parviz Yegani
> *Subject:* Re: [Supa] SUPA BoF not approved
>
> Gergios, Tina, Parviz,
>
> Who do we need in this call?
> I'm afraid that a call with 20 persons will not be efficient.
>
> Regards, Benoit
>
> Dear Benoit,
>
> Thanks for the provided information.
> Thank you also very much for willing to help us on working out the 5
> listed remarks, by e.g., using webex calls.
>
> Parviz, thank you very much for willing to provide the bridge facility fo=
r
> this call.
>
> Best regards,
> Georgios
>
>
> *From:* Supa [mailto:supa-bounces@ietf.org <supa-bounces@ietf.org>] *On
> Behalf Of *Benoit Claise
> *Sent:* Friday, October 03, 2014 6:04 PM
> *To:* supa@ietf.org
> *Subject:* [Supa] SUPA BoF not approved
>
> Dear all,
>
> After a lengthy discussion during the BoF coordination call, the IESG and
> IAB have decided not to approve the SUPA BoF.
> The work was not considered mature enough to allocate BoF time.
>
> However, it doesn't not mean that you should stop working on SUPA.
> Below are 5 starting points, which you should consider as positive remark=
s.
> I'm committed to help on those points, potentially with a webex call.
>
>
> 1. I believe that you should do a better job explaining your problem
> statement and what you actually want to standardize, what the desired
> outcomes are.
> The charter mentions (took some excerpts):
> The SUPA (Shared Unified Policy Automation) working group will work on th=
e
> definition of such a standardized interface for applications and network
> services to communicate with network controllers of all types.
>
> In particular, SUPA will focus on service specific models that allow
> applications to request certain network services to be
> created/deleted/modified.
>
> The terms "UNIFIED" and "SHARED" used in the SUPA abbreviation, relate to
> the way the service policy model is generated, since it groups, unifies a=
nd
> shares the similar requirements imposed by a bulk of applications.
>                     Benoit: I still have no idea what you mean here.
>
> SUPA will provide guidelines for mechanisms that can dynamically and in
> an interoperable manner, AUTOMATICALLY map services and policies defined
> on an abstract topology graph down to more detailed network graphs and
> specific network management and controlling policies.
>
> SUPA will work on defining vendor-neutral standardized interfaces based
> on the concept of network graph, an entity describing an arbitrary topolo=
gy
> of nodes and links at any level of granularity.
>                     Benoit: I still have no idea what you mean here.
>
> SUPA will ensure that in case any specific NETCONF/RESTCONF protocol
> requirements are identified
>                     Benoit: I have no idea why you would need
> NETCONF/RESTCONF protocol extensions here.
>
> It seems that you have all the buzzwords, and that's actually a drawback,
> because you are all over the map (including the use cases).
> I've been trying to divide the problem and guide the discussion with my
> message to the list. For example,
>
>
>
>             ---------------------
>
>             |    applications   |
>
>             ---------------------
>
>                     | <--- service YANG models /NETCONF interface
>
>             ---------------------
>
>             |     controller    | <--- mapping services to topology
>
>             ---------------------
>
>              |      |      | <--- device/feature specific YANG models /
> NETCONF interface
>
>             NE1    NE2   NEn
>
>
>
> ... but I'm not sure I've been successful.
>
>
> 2. Interaction with the different WGs must be explained/understood.
> Coming back to the deliverables, I understand that you want a topology.
> How is this different than the topology being worked on in I2RS? (I see n=
ow
> that this was addressed on the mailing list recentl)
>
> >From one of Georgios's email, I see this deliverable:
>
> 2) The definition and standardization of a number of basic policy and dat=
a models using network graphs. These might include, but are not limited to =
L3VPNs, traffic engineering, implementation of IPv6 transition mechanism an=
d their enforcement to users.
>
> First of, these are very broad deliverables, but also, what is the
> connection with the BESS proposed WG at
> https://datatracker.ietf.org/wg/bess/charter/ . It mentions:
> - Data models for modeling, managing, and operating BGP-based services
> using SMI or YANG.
>
> 3. Are the deliverables not too much of a research type?
> >From one of Georgios's email, can you actually standardize such a
> deliverable?
>
> 3) Provide guidelines for mechanisms that can dynamically and automatical=
ly map services and policies defined on an abstract topology graph down to =
more detailed network graphs and specific network management and controllin=
g policies.
>
>
> 4. You should get other people in your community to support this effort.
>
> 5. Open question: is there a willingness in the industry to standardize
> services models, knowing that all operators will have slightly different
> services?
> In one of Tina's email, I see: "The IESG suggested network management
> services, especially distributed data center services, before Toronto.".
> I'm not too sure what you are referring to.
>
> Regards, Benoit (OPS AD)
>
>
>
>
>
> *From: *"Liushucheng (Will)" <liushucheng@huawei.com>
> *Subject: **Re: [Supa] SUPA BoF not approved*
> *Date: *October 8, 2014 at 4:54:00 AM EDT
> *To: *Benoit Claise <bclaise@cisco.com>
> *Cc: *"supa@ietf.org" <supa@ietf.org>
>
>
> Dear Benoit,
>
> Thank you very much for your guiding. Your figure and comments really
> helped us a lot in refining this work.  I have some quick questions to yo=
ur
> first comment, to make sure that we understood you correctly. Please see
> below inline start with [Will]
>
> Regards,
> Will
>
> *From:* Supa [mailto:supa-bounces@ietf.org <supa-bounces@ietf.org>] *On
> Behalf Of *Benoit Claise
> *Sent:* Saturday, October 04, 2014 12:04 AM
> *To:* supa@ietf.org
> *Subject:* [Supa] SUPA BoF not approved
>
> Dear all,
>
> After a lengthy discussion during the BoF coordination call, the IESG and
> IAB have decided not to approve the SUPA BoF.
> The work was not considered mature enough to allocate BoF time.
>
> However, it doesn't not mean that you should stop working on SUPA.
> Below are 5 starting points, which you should consider as positive remark=
s.
> I'm committed to help on those points, potentially with a webex call.
>
>
> 1. I believe that you should do a better job explaining your problem
> statement and what you actually want to standardize, what the desired
> outcomes are.
> The charter mentions (took some excerpts):
>
> The SUPA (Shared Unified Policy Automation) working group will work on th=
e
> definition of such a standardized interface for applications and network
> services to communicate with network controllers of all types.
>
> In particular, SUPA will focus on service specific models that allow
> applications to request certain network services to be
> created/deleted/modified.
>
> The terms "UNIFIED" and "SHARED" used in the SUPA abbreviation, relate to
> the way the service policy model is generated, since it groups, unifies a=
nd
> shares the similar requirements imposed by a bulk of applications.
>                     Benoit: I still have no idea what you mean here.
> *[Will] We will try to modify the wording here. One quick question, is th=
e
> unclear of the above three sentence due to the misuse or misunderstanding
> of the three key words: service/network service, application and policy? =
 *
>
> SUPA will provide guidelines for mechanisms that can dynamically and in
> an interoperable manner, AUTOMATICALLY map services and policies defined
> on an abstract topology graph down to more detailed network graphs and
> specific network management and controlling policies.
>
> SUPA will work on defining vendor-neutral standardized interfaces based
> on the concept of network graph, an entity describing an arbitrary topolo=
gy
> of nodes and links at any level of granularity.
>                     Benoit: I still have no idea what you mean here.
>
> SUPA will ensure that in case any specific NETCONF/RESTCONF protocol
> requirements are identified
>                     Benoit: I have no idea why you would need
> NETCONF/RESTCONF protocol extensions here.
> *[Will] IMHO, this extension requirement was introduced by the draft
> draft-voit-netmod-peer-mount-requirements.*
>
> It seems that you have all the buzzwords, and that's actually a drawback,
> because you are all over the map (including the use cases).
> I've been trying to divide the problem and guide the discussion with my
> message to the list. For example,
>
>
>
>             ---------------------
>
>             |    applications   |
>
>             ---------------------
>
>                     | <--- service YANG models /NETCONF interface
>
>             ---------------------
>
>             |     controller    | <--- mapping services to topology
>
>             ---------------------
>
>              |      |      | <--- device/feature specific YANG models /
> NETCONF interface
>
>             NE1    NE2   NEn
>
>
>
> ... but I'm not sure I've been successful.
> *[Will] **Regarding your previous email about this figure,
> =E2=80=98Device/Feature YANG models  /NETCONF? Yes, for sure, and we shou=
ld do this
> full speed=E2=80=99, do you think we could put this into the scope of SUP=
A, if part
> of this =E2=80=98Device/Feature YANG models=E2=80=99 is not done by NETMO=
D?*
> *=E2=80=99*
>
>
> _______________________________________________
> Supa mailing list
> Supa@ietf.org
> https://www.ietf.org/mailman/listinfo/supa
>
>
>
> _______________________________________________
> Supa mailing list
> Supa@ietf.org
> https://www.ietf.org/mailman/listinfo/supa
>
>


--=20
Dr. Parviz Yegani
(408) 759-1973 mobile
pyegani@gmail.com

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<div dir=3D"ltr">Yes, arranging for a bar-BoF is a good idea. We have done =
it in the past and it would really help if planned in advance.<div><br></di=
v><div>Thanks,</div><div>Parviz</div></div><div class=3D"gmail_extra"><br><=
div class=3D"gmail_quote">On Wed, Oct 8, 2014 at 2:47 AM, Marie-Jose Montpe=
tit <span dir=3D"ltr">&lt;<a href=3D"mailto:mariejose@me.com" target=3D"_bl=
ank">mariejose@me.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_q=
uote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1e=
x"><div style=3D"word-wrap:break-word">I think there could still be what th=
e IETF calls a bar-BOF: we find a room and meet to discuss the real BOF. In=
 a way not to have a BOF is good since you only can have 2 of those before =
you need the WG to be approved. It gains the group time to put a better pla=
n/charter together.<div><br></div><div>And yes the 1st answer to get is: wh=
o needs this and why before we go into details of the implmentation.</div><=
div><br></div><div>/mjm<br><div><div>On Oct 8, 2014, at 4:54 AM, <a href=3D=
"mailto:supa-request@ietf.org" target=3D"_blank">supa-request@ietf.org</a> =
wrote:</div><br><blockquote type=3D"cite"><div bgcolor=3D"white" lang=3D"EN=
-US" link=3D"blue" vlink=3D"purple" style=3D"font-family:Helvetica;font-siz=
e:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spac=
ing:normal;line-height:normal;text-align:start;text-indent:0px;text-transfo=
rm:none;white-space:normal;word-spacing:0px">Send Supa mailing list submiss=
ions to<br><span style=3D"white-space:pre-wrap">	</span><a href=3D"mailto:s=
upa@ietf.org" style=3D"color:purple;text-decoration:underline" target=3D"_b=
lank">supa@ietf.org</a><br><br>To subscribe or unsubscribe via the World Wi=
de Web, visit<br><span style=3D"white-space:pre-wrap">	</span><a href=3D"ht=
tps://www.ietf.org/mailman/listinfo/supa" style=3D"color:purple;text-decora=
tion:underline" target=3D"_blank">https://www.ietf.org/mailman/listinfo/sup=
a</a><br>or, via email, send a message with subject or body &#39;help&#39; =
to<br><span style=3D"white-space:pre-wrap">	</span><a href=3D"mailto:supa-r=
equest@ietf.org" style=3D"color:purple;text-decoration:underline" target=3D=
"_blank">supa-request@ietf.org</a><br><br>You can reach the person managing=
 the list at<br><span style=3D"white-space:pre-wrap">	</span><a href=3D"mai=
lto:supa-owner@ietf.org" style=3D"color:purple;text-decoration:underline" t=
arget=3D"_blank">supa-owner@ietf.org</a><br><br>When replying, please edit =
your Subject line so it is more specific<br>than &quot;Re: Contents of Supa=
 digest...&quot;<br>Today&#39;s Topics:<br><br>=C2=A0=C2=A01. Re: SUPA BoF =
not approved (Tina TSOU)<br>=C2=A0=C2=A02. Re: SUPA BoF not approved (Liush=
ucheng (Will))<br><br><div style=3D"margin:0px"><span style=3D"font-family:=
Helvetica;color:rgb(127,127,127)"><b>From:<span>=C2=A0</span></b></span><sp=
an style=3D"font-family:Helvetica">Tina TSOU &lt;<a href=3D"mailto:Tina.Tso=
u.Zouting@huawei.com" style=3D"color:purple;text-decoration:underline" targ=
et=3D"_blank">Tina.Tsou.Zouting@huawei.com</a>&gt;<br></span></div><div sty=
le=3D"margin:0px"><span style=3D"font-family:Helvetica;color:rgb(127,127,12=
7)"><b>Subject:<span>=C2=A0</span></b></span><span style=3D"font-family:Hel=
vetica"><b>Re: [Supa] SUPA BoF not approved</b><br></span></div><div style=
=3D"margin:0px"><span style=3D"font-family:Helvetica;color:rgb(127,127,127)=
"><b>Date:<span>=C2=A0</span></b></span><span style=3D"font-family:Helvetic=
a">October 8, 2014 at 4:42:48 AM EDT<br></span></div><div style=3D"margin:0=
px"><span style=3D"font-family:Helvetica;color:rgb(127,127,127)"><b>To:<spa=
n>=C2=A0</span></b></span><span style=3D"font-family:Helvetica">Parviz Yega=
ni &lt;<a href=3D"mailto:pyegani@juniper.net" style=3D"color:purple;text-de=
coration:underline" target=3D"_blank">pyegani@juniper.net</a>&gt;, Benoit C=
laise &lt;<a href=3D"mailto:bclaise@cisco.com" style=3D"color:purple;text-d=
ecoration:underline" target=3D"_blank">bclaise@cisco.com</a>&gt;, Georgios =
Karagiannis &lt;<a href=3D"mailto:georgios.karagiannis@huawei.com" style=3D=
"color:purple;text-decoration:underline" target=3D"_blank">georgios.karagia=
nnis@huawei.com</a>&gt;<br></span></div><div style=3D"margin:0px"><span sty=
le=3D"font-family:Helvetica;color:rgb(127,127,127)"><b>Cc:<span>=C2=A0</spa=
n></b></span><span style=3D"font-family:Helvetica">&quot;<a href=3D"mailto:=
supa@ietf.org" style=3D"color:purple;text-decoration:underline" target=3D"_=
blank">supa@ietf.org</a>&quot; &lt;<a href=3D"mailto:supa@ietf.org" style=
=3D"color:purple;text-decoration:underline" target=3D"_blank">supa@ietf.org=
</a>&gt;<br></span></div><br><br><div><div><div style=3D"margin:0cm 0cm 0.0=
001pt;font-size:12pt;font-family:&#39;Times New Roman&#39;,serif"><span sty=
le=3D"font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">D=
ear Benoit,<u></u><u></u></span></div><div style=3D"margin:0cm 0cm 0.0001pt=
;font-size:12pt;font-family:&#39;Times New Roman&#39;,serif"><span style=3D=
"font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">=C2=A0=
</span></div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-fami=
ly:&#39;Times New Roman&#39;,serif"><span style=3D"font-size:11pt;font-fami=
ly:Calibri,sans-serif;color:rgb(31,73,125)">&gt; 5. Open question: is there=
 a willingness in the industry to standardize services models, knowing that=
 all operators will have slightly different services?<u></u><u></u></span><=
/div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;=
Times New Roman&#39;,serif"><span style=3D"font-size:11pt;font-family:Calib=
ri,sans-serif;color:rgb(31,73,125)">=C2=A0</span></div><div style=3D"margin=
:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Times New Roman&#39;,seri=
f"><span style=3D"font-size:11pt;font-family:Calibri,sans-serif;color:rgb(3=
1,73,125)">SUPA wanted to work on service specific abstractions and non-tri=
vial mappings.<u></u><u></u></span></div><div style=3D"margin:0cm 0cm 0.000=
1pt;font-size:12pt;font-family:&#39;Times New Roman&#39;,serif"><span style=
=3D"font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">=C2=
=A0</span></div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-f=
amily:&#39;Times New Roman&#39;,serif"><span style=3D"font-size:11pt;font-f=
amily:Calibri,sans-serif;color:rgb(31,73,125)">=C2=A0</span></div><div styl=
e=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Times New Roma=
n&#39;,serif"><span style=3D"font-size:11pt;font-family:Calibri,sans-serif;=
color:rgb(31,73,125)">Thank you,<u></u><u></u></span></div><div style=3D"ma=
rgin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Times New Roman&#39;,=
serif"><span style=3D"font-size:11pt;font-family:Calibri,sans-serif;color:r=
gb(31,73,125)">Tina<u></u><u></u></span></div></div><div style=3D"margin:0c=
m 0cm 0.0001pt;font-size:12pt;font-family:&#39;Times New Roman&#39;,serif">=
<span style=3D"font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,7=
3,125)">=C2=A0</span></div><div><div style=3D"border-style:solid none none;=
border-top-color:rgb(181,196,223);border-top-width:1pt;padding:3pt 0in 0in"=
><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Time=
s New Roman&#39;,serif"><b><span style=3D"font-size:10pt;font-family:Tahoma=
,sans-serif;color:windowtext">From:</span></b><span style=3D"font-size:10pt=
;font-family:Tahoma,sans-serif;color:windowtext"><span>=C2=A0</span>Supa [<=
a href=3D"mailto:supa-bounces@ietf.org" style=3D"color:purple;text-decorati=
on:underline" target=3D"_blank">mailto:supa-bounces@ietf.org</a>]<span>=C2=
=A0</span><b>On Behalf Of<span>=C2=A0</span></b>Parviz Yegani<br><b>Sent:</=
b><span>=C2=A0</span>Monday, October 06, 2014 11:21 PM<br><b>To:</b><span>=
=C2=A0</span>Benoit Claise; Georgios Karagiannis<br><b>Cc:</b><span>=C2=A0<=
/span><a href=3D"mailto:supa@ietf.org" style=3D"color:purple;text-decoratio=
n:underline" target=3D"_blank">supa@ietf.org</a><br><b>Subject:</b><span>=
=C2=A0</span>Re: [Supa] SUPA BoF not approved<u></u><u></u></span></div></d=
iv></div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&=
#39;Times New Roman&#39;,serif"><u></u>=C2=A0<u></u></div><div style=3D"mar=
gin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Times New Roman&#39;,s=
erif"><span style=3D"font-size:11pt;font-family:Calibri,sans-serif;color:rg=
b(31,73,125)">Hi Benoit,<u></u><u></u></span></div><div style=3D"margin:0cm=
 0cm 0.0001pt;font-size:12pt;font-family:&#39;Times New Roman&#39;,serif"><=
span style=3D"font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73=
,125)">=C2=A0</span></div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:1=
2pt;font-family:&#39;Times New Roman&#39;,serif"><span style=3D"font-size:1=
1pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Agreed, with a cro=
wd of 20 people on the call we can=E2=80=99t accomplish much. I=E2=80=99d s=
uggest we invite only the folks who are<u></u><u></u></span></div><div styl=
e=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Times New Roma=
n&#39;,serif"><span style=3D"font-size:11pt;font-family:Calibri,sans-serif;=
color:rgb(31,73,125)">driving the discussion on the mailing list.=C2=A0 The=
 agenda should focus on addressing the questions you raised (highlighted in=
 red)<u></u><u></u></span></div><div style=3D"margin:0cm 0cm 0.0001pt;font-=
size:12pt;font-family:&#39;Times New Roman&#39;,serif"><span style=3D"font-=
size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">below. This =
is to help remove any confusion and try to converge on what we are trying t=
o accomplish in SUPA.<u></u><u></u></span></div><div style=3D"margin:0cm 0c=
m 0.0001pt;font-size:12pt;font-family:&#39;Times New Roman&#39;,serif"><spa=
n style=3D"font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,12=
5)">=C2=A0</span></div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt=
;font-family:&#39;Times New Roman&#39;,serif"><span style=3D"font-size:11pt=
;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Please send me names =
and a date/time for this call. I=E2=80=99ll send an invite asap.<u></u><u><=
/u></span></div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-f=
amily:&#39;Times New Roman&#39;,serif"><span style=3D"font-size:11pt;font-f=
amily:Calibri,sans-serif;color:rgb(31,73,125)">=C2=A0</span></div><div styl=
e=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Times New Roma=
n&#39;,serif"><span style=3D"font-size:11pt;font-family:Calibri,sans-serif;=
color:rgb(31,73,125)">Thanks,<u></u><u></u></span></div><div style=3D"margi=
n:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Times New Roman&#39;,ser=
if"><span style=3D"font-size:11pt;font-family:Calibri,sans-serif;color:rgb(=
31,73,125)">Parviz<u></u><u></u></span></div><div style=3D"margin:0cm 0cm 0=
.0001pt;font-size:12pt;font-family:&#39;Times New Roman&#39;,serif"><span s=
tyle=3D"font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"=
>=C2=A0</span></div><div><div style=3D"border-style:solid none none;border-=
top-color:rgb(225,225,225);border-top-width:1pt;padding:3pt 0in 0in"><div s=
tyle=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Times New R=
oman&#39;,serif"><b><span style=3D"font-size:11pt;font-family:Calibri,sans-=
serif;color:windowtext">From:</span></b><span style=3D"font-size:11pt;font-=
family:Calibri,sans-serif;color:windowtext"><span>=C2=A0</span>Benoit Clais=
e [<a href=3D"mailto:bclaise@cisco.com" style=3D"color:purple;text-decorati=
on:underline" target=3D"_blank">mailto:bclaise@cisco.com</a>]<span>=C2=A0</=
span><br><b>Sent:</b><span>=C2=A0</span>Monday, October 06, 2014 2:35 AM<br=
><b>To:</b><span>=C2=A0</span>Georgios Karagiannis<br><b>Cc:</b><span>=C2=
=A0</span><a href=3D"mailto:supa@ietf.org" style=3D"color:purple;text-decor=
ation:underline" target=3D"_blank">supa@ietf.org</a>; Parviz Yegani<br><b>S=
ubject:</b><span>=C2=A0</span>Re: [Supa] SUPA BoF not approved<u></u><u></u=
></span></div></div></div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:1=
2pt;font-family:&#39;Times New Roman&#39;,serif"><u></u>=C2=A0<u></u></div>=
<div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;=
Times New Roman&#39;,serif">Gergios, Tina, Parviz,<br><br>Who do we need in=
 this call?<br>I&#39;m afraid that a call with 20 persons will not be effic=
ient.<br><br>Regards, Benoit<u></u><u></u></div></div><blockquote style=3D"=
margin-top:5pt;margin-bottom:5pt"><div style=3D"margin:0cm 0cm 0.0001pt;fon=
t-size:12pt;font-family:&#39;Times New Roman&#39;,serif"><span style=3D"fon=
t-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Dear Benoi=
t,</span><u></u><u></u></div><div style=3D"margin:0cm 0cm 0.0001pt;font-siz=
e:12pt;font-family:&#39;Times New Roman&#39;,serif"><span style=3D"font-siz=
e:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">=C2=A0</span><u=
></u><u></u></div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font=
-family:&#39;Times New Roman&#39;,serif"><span style=3D"font-size:11pt;font=
-family:Calibri,sans-serif;color:rgb(31,73,125)">Thanks for the provided in=
formation.</span><u></u><u></u></div><div style=3D"margin:0cm 0cm 0.0001pt;=
font-size:12pt;font-family:&#39;Times New Roman&#39;,serif"><span style=3D"=
font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Thank y=
ou also very much for willing to help us on working out the 5 listed remark=
s, by e.g., using webex calls.</span><u></u><u></u></div><div style=3D"marg=
in:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Times New Roman&#39;,se=
rif"><span style=3D"font-size:11pt;font-family:Calibri,sans-serif;color:rgb=
(31,73,125)">=C2=A0</span><u></u><u></u></div><div style=3D"margin:0cm 0cm =
0.0001pt;font-size:12pt;font-family:&#39;Times New Roman&#39;,serif"><span =
style=3D"font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)=
">Parviz, thank you very much for willing to provide the bridge facility fo=
r this call.</span><u></u><u></u></div><div style=3D"margin:0cm 0cm 0.0001p=
t;font-size:12pt;font-family:&#39;Times New Roman&#39;,serif"><span style=
=3D"font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">=C2=
=A0</span><u></u><u></u></div><div style=3D"margin:0cm 0cm 0.0001pt;font-si=
ze:12pt;font-family:&#39;Times New Roman&#39;,serif"><span style=3D"font-si=
ze:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Best regards,<=
/span><u></u><u></u></div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:1=
2pt;font-family:&#39;Times New Roman&#39;,serif"><span style=3D"font-size:1=
1pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Georgios</span><u>=
</u><u></u></div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-=
family:&#39;Times New Roman&#39;,serif"><span style=3D"font-size:11pt;font-=
family:Calibri,sans-serif;color:rgb(31,73,125)">=C2=A0</span><u></u><u></u>=
</div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39=
;Times New Roman&#39;,serif"><span style=3D"font-size:11pt;font-family:Cali=
bri,sans-serif;color:rgb(31,73,125)">=C2=A0</span><u></u><u></u></div><div =
style=3D"border-style:none none none solid;border-left-color:blue;border-le=
ft-width:1.5pt;padding:0in 0in 0in 4pt"><div><div style=3D"border-style:sol=
id none none;border-top-color:rgb(181,196,223);border-top-width:1pt;padding=
:3pt 0in 0in"><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-fam=
ily:&#39;Times New Roman&#39;,serif"><b><span style=3D"font-size:10pt;font-=
family:Tahoma,sans-serif;color:windowtext">From:</span></b><span style=3D"f=
ont-size:10pt;font-family:Tahoma,sans-serif;color:windowtext"><span>=C2=A0<=
/span>Supa [<a href=3D"mailto:supa-bounces@ietf.org" style=3D"color:purple;=
text-decoration:underline" target=3D"_blank">mailto:supa-bounces@ietf.org</=
a>]<span>=C2=A0</span><b>On Behalf Of<span>=C2=A0</span></b>Benoit Claise<b=
r><b>Sent:</b><span>=C2=A0</span>Friday, October 03, 2014 6:04 PM<br><b>To:=
</b><span>=C2=A0</span><a href=3D"mailto:supa@ietf.org" style=3D"color:purp=
le;text-decoration:underline" target=3D"_blank">supa@ietf.org</a><br><b>Sub=
ject:</b><span>=C2=A0</span>[Supa] SUPA BoF not approved</span><u></u><u></=
u></div></div></div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;fo=
nt-family:&#39;Times New Roman&#39;,serif">=C2=A0<u></u><u></u></div><div s=
tyle=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Times New R=
oman&#39;,serif">Dear all,<br><br>After a lengthy discussion during the BoF=
 coordination call, the IESG and IAB have decided not to approve the SUPA B=
oF.<br>The work was not considered mature enough to allocate BoF time.<span=
>=C2=A0</span><br><br>However, it doesn&#39;t not mean that you should stop=
 working on SUPA.<span>=C2=A0</span><br>Below are 5 starting points, which =
you should consider as positive remarks.<br>I&#39;m committed to help on th=
ose points, potentially with a webex call.<br><br><br>1. I believe that you=
 should do a better job explaining your problem statement and what you actu=
ally want to standardize, what the desired outcomes are.<br>The charter men=
tions (took some excerpts):<u></u><u></u></div><div style=3D"margin:0cm 0cm=
 0.0001pt;font-size:12pt;font-family:&#39;Times New Roman&#39;,serif">The S=
UPA (Shared Unified Policy Automation) working group will work on the defin=
ition of such<span>=C2=A0</span><span style=3D"color:red">a standardized in=
terface for applications and network services to communicate with network c=
ontrollers of all types.</span><br><br>In particular, SUPA will focus on<sp=
an>=C2=A0</span><span style=3D"color:red">service specific models</span><sp=
an>=C2=A0</span>that allow applications to<span>=C2=A0</span><span style=3D=
"color:red">request certain network services to be created/deleted/modified=
.<span>=C2=A0</span><br></span><br><span style=3D"color:red">The terms &quo=
t;UNIFIED&quot; and &quot;SHARED&quot; used in the SUPA abbreviation, relat=
e to the way the service policy model is generated, since it groups, unifie=
s and shares the similar requirements imposed by a bulk of applications.</s=
pan><br>=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=
=A0=C2=A0 =C2=A0=C2=A0=C2=A0 Benoit: I still have no idea what you mean her=
e.<u></u><u></u></div><blockquote style=3D"margin-top:5pt;margin-bottom:5pt=
"><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Tim=
es New Roman&#39;,serif">SUPA will provide<span>=C2=A0</span><span style=3D=
"color:red">guidelines<span>=C2=A0</span></span>for mechanisms that can dyn=
amically and in an interoperable manner, AUTOMATICALLY<span>=C2=A0</span><s=
pan style=3D"color:red">map services and policies defined on an abstract to=
pology graph</span><span>=C2=A0</span>down to more detailed network graphs =
and specific network management and controlling policies.<br><br>SUPA will =
work on defining<span>=C2=A0</span><span style=3D"color:red">vendor-neutral=
 standardized interfaces based on the concept of network graph, an entity d=
escribing an arbitrary topology of nodes and links at any level of granular=
ity.<span>=C2=A0</span></span><br>=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=
=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 Benoit: I still have =
no idea what you mean here.<br><br>SUPA will ensure that in case any specif=
ic NETCONF/RESTCONF protocol requirements are identified<br>=C2=A0=C2=A0=C2=
=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=
=C2=A0 Benoit: I have no idea why you would need NETCONF/RESTCONF protocol =
extensions here.<u></u><u></u></div></blockquote><div style=3D"margin:0cm 0=
cm 0.0001pt;font-size:12pt;font-family:&#39;Times New Roman&#39;,serif">It =
seems that you have all the buzzwords, and that&#39;s actually a drawback, =
because you are all over the map (including the use cases).<br>I&#39;ve bee=
n trying to divide the problem and guide the discussion with my message to =
the list. For example,<u></u><u></u></div><pre style=3D"margin:0cm 0cm 0.00=
01pt;font-size:10pt;font-family:&#39;Courier New&#39;">=C2=A0<u></u><u></u>=
</pre><pre style=3D"margin:0cm 0cm 0.0001pt;font-size:10pt;font-family:&#39=
;Courier New&#39;">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 ---------------------<u></u><u></u></pre><pre style=3D"margin:=
0cm 0cm 0.0001pt;font-size:10pt;font-family:&#39;Courier New&#39;">=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=
=C2=A0 applications=C2=A0=C2=A0 |<u></u><u></u></pre><pre style=3D"margin:0=
cm 0cm 0.0001pt;font-size:10pt;font-family:&#39;Courier New&#39;">=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 -----------------=
----<u></u><u></u></pre><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12p=
t;font-family:&#39;Times New Roman&#39;,serif"><tt style=3D"font-family:&#3=
9;Courier New&#39;"><span style=3D"font-size:10pt">=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0 | &lt;--- service YANG models /NETCONF interface</span></tt=
><u></u><u></u></div><pre style=3D"margin:0cm 0cm 0.0001pt;font-size:10pt;f=
ont-family:&#39;Courier New&#39;">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0---------------------<u></u><u></u></pre><=
div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Times =
New Roman&#39;,serif"><tt style=3D"font-family:&#39;Courier New&#39;"><span=
 style=3D"font-size:10pt">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =C2=A0 =C2=A0=C2=
=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0 controller =C2=A0=C2=A0 | &lt;--- mappi=
ng services to topology</span></tt><u></u><u></u></div><pre style=3D"margin=
:0cm 0cm 0.0001pt;font-size:10pt;font-family:&#39;Courier New&#39;">=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0---------=
------------<u></u><u></u></pre><div style=3D"margin:0cm 0cm 0.0001pt;font-=
size:12pt;font-family:&#39;Times New Roman&#39;,serif"><tt style=3D"font-fa=
mily:&#39;Courier New&#39;"><span style=3D"font-size:10pt">=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 | =C2=A0 =C2=A0=
=C2=A0 | =C2=A0 =C2=A0=C2=A0 | &lt;--- device/feature specific YANG models =
/ NETCONF interface</span></tt><u></u><u></u></div><pre style=3D"margin:0cm=
 0cm 0.0001pt;font-size:10pt;font-family:&#39;Courier New&#39;">=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0NE1=C2=A0=C2=
=A0=C2=A0 NE2=C2=A0=C2=A0 NEn<u></u><u></u></pre><pre style=3D"margin:0cm 0=
cm 0.0001pt;font-size:10pt;font-family:&#39;Courier New&#39;">=C2=A0<u></u>=
<u></u></pre><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-fami=
ly:&#39;Times New Roman&#39;,serif">... but I&#39;m not sure I&#39;ve been =
successful.<br><br><br>2. Interaction with the different WGs must be explai=
ned/understood.<br>Coming back to the deliverables, I understand that you w=
ant a topology. How is this different than the topology being worked on in =
I2RS? (I see now that this was addressed on the mailing list recentl)<br><b=
r>&gt;From one of Georgios&#39;s email, I see this deliverable:<u></u><u></=
u></div><pre style=3D"margin:0cm 0cm 0.0001pt;font-size:10pt;font-family:&#=
39;Courier New&#39;">2) The definition and standardization of a number of b=
asic policy and data models using network graphs. These might include, but =
are not limited to L3VPNs, traffic engineering, implementation of IPv6 tran=
sition mechanism and their enforcement to users.=C2=A0 <u></u><u></u></pre>=
<div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Times=
 New Roman&#39;,serif">First of, these are very broad deliverables, but als=
o, what is the connection with the BESS proposed WG at<span>=C2=A0</span><a=
 href=3D"https://datatracker.ietf.org/wg/bess/charter/" style=3D"color:purp=
le;text-decoration:underline" target=3D"_blank">https://datatracker.ietf.or=
g/wg/bess/charter/</a><span>=C2=A0</span>. It mentions:<u></u><u></u></div>=
<div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Times=
 New Roman&#39;,serif">- Data models for modeling, managing, and operating =
BGP-based services<br>using SMI or YANG.<u></u><u></u></div><div style=3D"m=
argin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Times New Roman&#39;=
,serif"><br>3. Are the deliverables not too much of a research type?<br>&gt=
;From one of Georgios&#39;s email, can you actually standardize such a deli=
verable?<u></u><u></u></div><pre style=3D"margin:0cm 0cm 0.0001pt;font-size=
:10pt;font-family:&#39;Courier New&#39;">3) Provide guidelines for mechanis=
ms that can dynamically and automatically map services and policies defined=
 on an abstract topology graph down to more detailed network graphs and spe=
cific network management and controlling policies.<u></u><u></u></pre><div =
style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Times New =
Roman&#39;,serif"><br>4. You should get other people in your community to s=
upport this effort.<br><br>5. Open question: is there a willingness in the =
industry to standardize services models, knowing that all operators will ha=
ve slightly different services?<br>In one of Tina&#39;s email, I see: &quot=
;The IESG suggested network management services, especially distributed dat=
a center services, before Toronto.&quot;. I&#39;m not too sure what you are=
 referring to.<br><br>Regards, Benoit (OPS AD)<u></u><u></u></div></div></b=
lockquote><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=
&#39;Times New Roman&#39;,serif"><u></u>=C2=A0<u></u></div></div><br><br><b=
r><div style=3D"margin:0px"><span style=3D"font-family:Helvetica;color:rgb(=
127,127,127)"><b>From:<span>=C2=A0</span></b></span><span style=3D"font-fam=
ily:Helvetica">&quot;Liushucheng (Will)&quot; &lt;<a href=3D"mailto:liushuc=
heng@huawei.com" style=3D"color:purple;text-decoration:underline" target=3D=
"_blank">liushucheng@huawei.com</a>&gt;<br></span></div><div style=3D"margi=
n:0px"><span style=3D"font-family:Helvetica;color:rgb(127,127,127)"><b>Subj=
ect:<span>=C2=A0</span></b></span><span style=3D"font-family:Helvetica"><b>=
Re: [Supa] SUPA BoF not approved</b><br></span></div><div style=3D"margin:0=
px"><span style=3D"font-family:Helvetica;color:rgb(127,127,127)"><b>Date:<s=
pan>=C2=A0</span></b></span><span style=3D"font-family:Helvetica">October 8=
, 2014 at 4:54:00 AM EDT<br></span></div><div style=3D"margin:0px"><span st=
yle=3D"font-family:Helvetica;color:rgb(127,127,127)"><b>To:<span>=C2=A0</sp=
an></b></span><span style=3D"font-family:Helvetica">Benoit Claise &lt;<a hr=
ef=3D"mailto:bclaise@cisco.com" style=3D"color:purple;text-decoration:under=
line" target=3D"_blank">bclaise@cisco.com</a>&gt;<br></span></div><div styl=
e=3D"margin:0px"><span style=3D"font-family:Helvetica;color:rgb(127,127,127=
)"><b>Cc:<span>=C2=A0</span></b></span><span style=3D"font-family:Helvetica=
">&quot;<a href=3D"mailto:supa@ietf.org" style=3D"color:purple;text-decorat=
ion:underline" target=3D"_blank">supa@ietf.org</a>&quot; &lt;<a href=3D"mai=
lto:supa@ietf.org" style=3D"color:purple;text-decoration:underline" target=
=3D"_blank">supa@ietf.org</a>&gt;<br></span></div><br><br><div><div style=
=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Times New Roman=
&#39;,serif"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:Cal=
ibri,sans-serif;color:rgb(31,73,125)">Dear Benoit,<u></u><u></u></span></di=
v><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Tim=
es New Roman&#39;,serif"><span lang=3D"EN-US" style=3D"font-size:10.5pt;fon=
t-family:Calibri,sans-serif;color:rgb(31,73,125)">=C2=A0</span></div><div s=
tyle=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Times New R=
oman&#39;,serif"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family=
:Calibri,sans-serif;color:rgb(31,73,125)">Thank you very much for your guid=
ing. Your figure and comments really helped us a lot in refining this work.=
=C2=A0 I have some quick questions to your first comment, to make sure that=
 we understood you correctly. Please see below inline start with [Will]<u><=
/u><u></u></span></div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt=
;font-family:&#39;Times New Roman&#39;,serif"><span lang=3D"EN-US" style=3D=
"font-size:10.5pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">=C2=
=A0</span></div><div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;f=
ont-family:&#39;Times New Roman&#39;,serif;text-align:justify"><span lang=
=3D"EN-US" style=3D"font-size:10.5pt;font-family:Calibri,sans-serif;color:r=
gb(31,73,125)">Regards,</span><span lang=3D"EN-US" style=3D"font-size:11pt;=
font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u><u></u></span><=
/div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;=
Times New Roman&#39;,serif;text-align:justify"><span lang=3D"EN-US" style=
=3D"font-size:10.5pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">W=
ill</span><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:Calibr=
i,sans-serif;color:rgb(31,73,125)"><u></u><u></u></span></div></div><div st=
yle=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Times New Ro=
man&#39;,serif"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:=
Calibri,sans-serif;color:rgb(31,73,125)">=C2=A0</span></div><div style=3D"b=
order-style:none none none solid;border-left-color:blue;border-left-width:1=
.5pt;padding:0cm 0cm 0cm 4pt"><div><div style=3D"border-style:solid none no=
ne;border-top-color:rgb(225,225,225);border-top-width:1pt;padding:3pt 0cm 0=
cm"><div style=3D"margin:0cm 0cm 0.0001pt 24pt;font-size:12pt;font-family:&=
#39;Times New Roman&#39;,serif"><b><span lang=3D"EN-US" style=3D"font-size:=
11pt;font-family:Calibri,sans-serif;color:windowtext">From:</span></b><span=
 lang=3D"EN-US" style=3D"font-size:11pt;font-family:Calibri,sans-serif;colo=
r:windowtext"><span>=C2=A0</span>Supa [<a href=3D"mailto:supa-bounces@ietf.=
org" style=3D"color:purple;text-decoration:underline" target=3D"_blank">mai=
lto:supa-bounces@ietf.org</a>]<span>=C2=A0</span><b>On Behalf Of<span>=C2=
=A0</span></b>Benoit Claise<br><b>Sent:</b><span>=C2=A0</span>Saturday, Oct=
ober 04, 2014 12:04 AM<br><b>To:</b><span>=C2=A0</span><a href=3D"mailto:su=
pa@ietf.org" style=3D"color:purple;text-decoration:underline" target=3D"_bl=
ank">supa@ietf.org</a><br><b>Subject:</b><span>=C2=A0</span>[Supa] SUPA BoF=
 not approved<u></u><u></u></span></div></div></div><div style=3D"margin:0c=
m 0cm 0.0001pt 24pt;font-size:12pt;font-family:&#39;Times New Roman&#39;,se=
rif"><span lang=3D"EN-US">=C2=A0</span></div><div style=3D"margin:0cm 0cm 0=
.0001pt 24pt;font-size:12pt;font-family:&#39;Times New Roman&#39;,serif"><s=
pan lang=3D"EN-US">Dear all,<br><br>After a lengthy discussion during the B=
oF coordination call, the IESG and IAB have decided not to approve the SUPA=
 BoF.<br>The work was not considered mature enough to allocate BoF time.<sp=
an>=C2=A0</span><br><br>However, it doesn&#39;t not mean that you should st=
op working on SUPA.<span>=C2=A0</span><br>Below are 5 starting points, whic=
h you should consider as positive remarks.<br>I&#39;m committed to help on =
those points, potentially with a webex call.<br><br><br>1. I believe that y=
ou should do a better job explaining your problem statement and what you ac=
tually want to standardize, what the desired outcomes are.<br>The charter m=
entions (took some excerpts):<u></u><u></u></span></div><blockquote style=
=3D"margin-top:5pt;margin-bottom:5pt"><div style=3D"margin:0cm 0cm 0.0001pt=
 24pt;font-size:12pt;font-family:&#39;Times New Roman&#39;,serif"><span lan=
g=3D"EN-US">The SUPA (Shared Unified Policy Automation) working group will =
work on the definition of such<span>=C2=A0</span></span><span lang=3D"EN-US=
" style=3D"color:red">a standardized interface for applications and network=
 services to communicate with network controllers of all types.</span><span=
 lang=3D"EN-US"><br><br>In particular, SUPA will focus on<span>=C2=A0</span=
></span><span lang=3D"EN-US" style=3D"color:red">service specific models</s=
pan><span lang=3D"EN-US"><span>=C2=A0</span>that allow applications to<span=
>=C2=A0</span></span><span lang=3D"EN-US" style=3D"color:red">request certa=
in network services to be created/deleted/modified.<span>=C2=A0</span><br><=
/span><span lang=3D"EN-US"><br></span><span lang=3D"EN-US" style=3D"color:r=
ed">The terms &quot;UNIFIED&quot; and &quot;SHARED&quot; used in the SUPA a=
bbreviation, relate to the way the service policy model is generated, since=
 it groups, unifies and shares the similar requirements imposed by a bulk o=
f applications.</span><span lang=3D"EN-US"><br>=C2=A0=C2=A0=C2=A0 =C2=A0=C2=
=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 Benoit: =
I still have no idea what you mean here.</span><span lang=3D"EN-US" style=
=3D"color:rgb(31,73,125)"><u></u><u></u></span></div><div style=3D"margin:0=
cm 0cm 0.0001pt;font-size:12pt;font-family:&#39;Times New Roman&#39;,serif"=
><b><i><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:Calibri,s=
ans-serif;color:rgb(31,73,125)">[Will] We will try to modify the wording he=
re. One quick question, is the unclear of the above three sentence due to t=
he misuse or misunderstanding of the three key words: service/network servi=
ce, application and policy? =C2=A0</span></i></b><span lang=3D"EN-US" style=
=3D"color:rgb(31,73,125)"><u></u><u></u></span></div></blockquote><blockquo=
te style=3D"margin-top:5pt;margin-bottom:5pt"><div style=3D"margin:0cm 0cm =
0.0001pt 24pt;font-size:12pt;font-family:&#39;Times New Roman&#39;,serif"><=
span lang=3D"EN-US">SUPA will provide<span>=C2=A0</span></span><span lang=
=3D"EN-US" style=3D"color:red">guidelines<span>=C2=A0</span></span><span la=
ng=3D"EN-US">for mechanisms that can dynamically and in an interoperable ma=
nner, AUTOMATICALLY<span>=C2=A0</span></span><span lang=3D"EN-US" style=3D"=
color:red">map services and policies defined on an abstract topology graph<=
/span><span lang=3D"EN-US"><span>=C2=A0</span>down to more detailed network=
 graphs and specific network management and controlling policies.<br><br>SU=
PA will work on defining<span>=C2=A0</span></span><span lang=3D"EN-US" styl=
e=3D"color:red">vendor-neutral standardized interfaces based on the concept=
 of network graph, an entity describing an arbitrary topology of nodes and =
links at any level of granularity.<span>=C2=A0</span></span><span lang=3D"E=
N-US"><br>=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=
=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 Benoit: I still have no idea what you mean =
here.<br><br>SUPA will ensure that in case any specific NETCONF/RESTCONF pr=
otocol requirements are identified<br>=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0=
 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 Benoit: I have no=
 idea why you would need NETCONF/RESTCONF protocol extensions here.<u></u><=
u></u></span></div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;fon=
t-family:&#39;Times New Roman&#39;,serif"><b><i><span lang=3D"EN-US" style=
=3D"font-size:10.5pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">[=
Will] IMHO, this extension requirement was introduced by the draft draft-vo=
it-netmod-peer-mount-requirements.</span></i></b><span lang=3D"EN-US" style=
=3D"font-size:10.5pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><=
u></u><u></u></span></div></blockquote><div style=3D"margin:0cm 0cm 0.0001p=
t 24pt;font-size:12pt;font-family:&#39;Times New Roman&#39;,serif"><span la=
ng=3D"EN-US">It seems that you have all the buzzwords, and that&#39;s actua=
lly a drawback, because you are all over the map (including the use cases).=
<br>I&#39;ve been trying to divide the problem and guide the discussion wit=
h my message to the list. For example,<u></u><u></u></span></div><pre style=
=3D"margin:0cm 0cm 0.0001pt 24pt;font-size:10pt;font-family:&#39;Courier Ne=
w&#39;"><span lang=3D"EN-US">=C2=A0</span></pre><pre style=3D"margin:0cm 0c=
m 0.0001pt 24pt;font-size:10pt;font-family:&#39;Courier New&#39;"><span lan=
g=3D"EN-US">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0 ---------------------<u></u><u></u></span></pre><pre style=3D"margin:0c=
m 0cm 0.0001pt 24pt;font-size:10pt;font-family:&#39;Courier New&#39;"><span=
 lang=3D"EN-US">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0 |=C2=A0=C2=A0=C2=A0 applications=C2=A0=C2=A0 |<u></u><u></u></spa=
n></pre><pre style=3D"margin:0cm 0cm 0.0001pt 24pt;font-size:10pt;font-fami=
ly:&#39;Courier New&#39;"><span lang=3D"EN-US">=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ---------------------<u></u><u></u>=
</span></pre><div style=3D"margin:0cm 0cm 0.0001pt 24pt;font-size:12pt;font=
-family:&#39;Times New Roman&#39;,serif"><tt style=3D"font-family:&#39;Cour=
ier New&#39;"><span lang=3D"EN-US" style=3D"font-size:10pt">=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0 | &lt;--- service YANG models /NETCONF interface</=
span></tt><span lang=3D"EN-US"><u></u><u></u></span></div><pre style=3D"mar=
gin:0cm 0cm 0.0001pt 24pt;font-size:10pt;font-family:&#39;Courier New&#39;"=
><span lang=3D"EN-US">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0---------------------<u></u><u></u></span></pre><div s=
tyle=3D"margin:0cm 0cm 0.0001pt 24pt;font-size:12pt;font-family:&#39;Times =
New Roman&#39;,serif"><tt style=3D"font-family:&#39;Courier New&#39;"><span=
 lang=3D"EN-US" style=3D"font-size:10pt">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =C2=
=A0 =C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0 controller =C2=A0=C2=A0 | =
&lt;--- mapping services to topology</span></tt><span lang=3D"EN-US"><u></u=
><u></u></span></div><pre style=3D"margin:0cm 0cm 0.0001pt 24pt;font-size:1=
0pt;font-family:&#39;Courier New&#39;"><span lang=3D"EN-US">=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0------------------=
---<u></u><u></u></span></pre><div style=3D"margin:0cm 0cm 0.0001pt 24pt;fo=
nt-size:12pt;font-family:&#39;Times New Roman&#39;,serif"><tt style=3D"font=
-family:&#39;Courier New&#39;"><span lang=3D"EN-US" style=3D"font-size:10pt=
">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =
| =C2=A0 =C2=A0=C2=A0 | =C2=A0 =C2=A0=C2=A0 | &lt;--- device/feature specif=
ic YANG models / NETCONF interface</span></tt><span lang=3D"EN-US"><u></u><=
u></u></span></div><pre style=3D"margin:0cm 0cm 0.0001pt 24pt;font-size:10p=
t;font-family:&#39;Courier New&#39;"><span lang=3D"EN-US">=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0NE1=C2=A0=C2=A0=C2=
=A0 NE2=C2=A0=C2=A0 NEn<u></u><u></u></span></pre><pre style=3D"margin:0cm =
0cm 0.0001pt 24pt;font-size:10pt;font-family:&#39;Courier New&#39;"><span l=
ang=3D"EN-US">=C2=A0</span></pre><div style=3D"margin:0cm 0cm 0.0001pt 24pt=
;font-size:12pt;font-family:&#39;Times New Roman&#39;,serif"><span lang=3D"=
EN-US">... but I&#39;m not sure I&#39;ve been successful.</span><span lang=
=3D"EN-US" style=3D"color:rgb(31,73,125)"><u></u><u></u></span></div><div s=
tyle=3D"margin:0cm 0cm 0.0001pt;font-size:10.5pt;font-family:Calibri,sans-s=
erif"><b><i><span lang=3D"EN-US" style=3D"color:rgb(31,73,125)">[Will]<span=
>=C2=A0</span></span></i></b><b><i><span lang=3D"EN-US" style=3D"color:rgb(=
31,73,125)">Regarding your previous email about this figure, =E2=80=98Devic=
e/Feature YANG models=C2=A0 /NETCONF? Yes, for sure, and we should do this =
full speed=E2=80=99, do you think we could put this into the scope of SUPA,=
 if part of this =E2=80=98Device/Feature YANG models=E2=80=99 is not done b=
y NETMOD?<u></u><u></u></span></i></b></div><div style=3D"margin:0cm 0cm 0.=
0001pt;font-size:12pt;font-family:&#39;Times New Roman&#39;,serif"><b><i><s=
pan lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:Calibri,sans-serif=
;color:rgb(31,73,125)">=E2=80=99<u></u><u></u></span></i></b></div></div></=
div><br><br>_______________________________________________<br>Supa mailing=
 list<br><a href=3D"mailto:Supa@ietf.org" style=3D"color:purple;text-decora=
tion:underline" target=3D"_blank">Supa@ietf.org</a><br><a href=3D"https://w=
ww.ietf.org/mailman/listinfo/supa" style=3D"color:purple;text-decoration:un=
derline" target=3D"_blank">https://www.ietf.org/mailman/listinfo/supa</a><b=
r></div></blockquote></div><br></div></div><br>____________________________=
___________________<br>
Supa mailing list<br>
<a href=3D"mailto:Supa@ietf.org">Supa@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/supa" target=3D"_blank">ht=
tps://www.ietf.org/mailman/listinfo/supa</a><br>
<br></blockquote></div><br><br clear=3D"all"><div><br></div>-- <br><div dir=
=3D"ltr"><div>Dr. Parviz Yegani</div><div>(408) 759-1973 mobile</div><div><=
a href=3D"mailto:pyegani@gmail.com" target=3D"_blank">pyegani@gmail.com</a>=
</div></div>
</div>

--047d7b472012bdc4210504ecdf3a--


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From: Georgios Karagiannis <georgios.karagiannis@huawei.com>
To: "supa@ietf.org" <supa@ietf.org>
Thread-Topic: proposal to incorporate Eric's contribution in SUPA activities
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Subject: [Supa] proposal to incorporate Eric's contribution in SUPA activities
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Dear all,

Based on the discussions that I have had with Eric Voit, I think that it ma=
kes sense to incorporate the work items (or a subset of them) proposed by E=
ric into the SUPA activities.

The main goal of SUPA could become:

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
The main goal of SUPA is to provide YANG models of service specific abstrac=
tions e.g. Inter-DCs traffic engineering, that allow applications to reques=
t network services from single or multiple controllers to be quickly and dy=
namically created/deleted/modified. This can be realized by:

  o) model service specific abstractions using the combination of policies =
and network graphs
  o) model the relationships between service specific abstractions models a=
nd network topology and configuration models
  o) specify how single or multiple controllers can push and pull configura=
tion information to/from local or remote NEs
  o) specify how NEs can mount and push configuration information to local =
or remote controllers

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Please comment on the above!

Best regards,
Georgios


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<p class=3D"MsoNormal">Dear all,<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Based on the discussions that I have had with Eric V=
oit, I think that it makes sense to incorporate the work items (or a subset=
 of them) proposed by Eric into the SUPA activities.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">The main goal of SUPA could become:<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D<o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">The main goal of SUPA is to=
 provide YANG models of service specific abstractions e.g. Inter-DCs traffi=
c engineering, that allow applications to request network
 services from single or multiple controllers to be quickly and dynamically=
 created/deleted/modified. This can be realized by:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&nbsp; o) model service spe=
cific abstractions using the combination of policies and network graphs<o:p=
></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&nbsp; o) model the relatio=
nships between service specific abstractions models and network topology an=
d configuration models<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&nbsp; o) specify how singl=
e or multiple controllers can push and pull configuration information to/fr=
om local or remote NEs<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&nbsp; o) specify how NEs c=
an mount and push configuration information to local or remote controllers<=
o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Please comment on the above!<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Best regards,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Georgios<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
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From: "Eric Voit (evoit)" <evoit@cisco.com>
To: Georgios Karagiannis <georgios.karagiannis@huawei.com>, "supa@ietf.org" <supa@ietf.org>
Thread-Topic: proposal to incorporate Eric's contribution in SUPA activities
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Date: Fri, 10 Oct 2014 13:46:54 +0000
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Subject: Re: [Supa] proposal to incorporate Eric's contribution in SUPA activities
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I am very glad that SUPA is considering my suggestions important :-).    Fo=
r more information about the objectives, see the presentation I just gave a=
t a Netmod interim meeting on Wednesday:  Click here for the slides<http://=
www.voit.org/Peer-Mount-Netconf-WG-Oct2014.pdf> .   Also of note is that in=
 Tuesday, a new version of the Mount technology draft<https://tools.ietf.or=
g/html/draft-clemm-netmod-mount-02> was posted.  There are active discussio=
ns in the Netmod WG right now.  Please feel free to chime in!

In the end, I am completely ok if the drafts progress in either Netmod or i=
n SUPA should it get chartered.  The technology space here is going to be s=
ignificant. And the need for multi-device abstraction and convergence will =
likely span multiple WGs.

So count me in for helping with the charter's refinement.   Discussions in =
multiple places are needed to bring the needed brain-power to this problem =
space.

Eric

From: Georgios Karagiannis, October 10, 2014 3:32 AM

Dear all,

Based on the discussions that I have had with Eric Voit, I think that it ma=
kes sense to incorporate the work items (or a subset of them) proposed by E=
ric into the SUPA activities.

The main goal of SUPA could become:

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
The main goal of SUPA is to provide YANG models of service specific abstrac=
tions e.g. Inter-DCs traffic engineering, that allow applications to reques=
t network services from single or multiple controllers to be quickly and dy=
namically created/deleted/modified. This can be realized by:

  o) model service specific abstractions using the combination of policies =
and network graphs
  o) model the relationships between service specific abstractions models a=
nd network topology and configuration models
  o) specify how single or multiple controllers can push and pull configura=
tion information to/from local or remote NEs
  o) specify how NEs can mount and push configuration information to local =
or remote controllers

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Please comment on the above!

Best regards,
Georgios


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<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">I am very glad that SUPA =
is considering my suggestions important :-).&nbsp;&nbsp;&nbsp; For more inf=
ormation about the objectives, see the presentation I just gave at a Netmod
 interim meeting on Wednesday:&nbsp; </span><span style=3D"font-size:11.0pt=
;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><a h=
ref=3D"http://www.voit.org/Peer-Mount-Netconf-WG-Oct2014.pdf">Click here fo=
r the slides</a></span><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">
 .&nbsp; &nbsp;Also of note is that in Tuesday, a new version of the <a hre=
f=3D"https://tools.ietf.org/html/draft-clemm-netmod-mount-02">
Mount technology draft</a> was posted.&nbsp; There are active discussions i=
n the Netmod WG right now.&nbsp; Please feel free to chime in!<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">In the end, I am complete=
ly ok if the drafts progress in either Netmod or in SUPA should it get char=
tered.&nbsp; The technology space here is going to be significant.
 And the need for multi-device abstraction and convergence will likely span=
 multiple WGs.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">So count me in for helpin=
g with the charter&#8217;s refinement.&nbsp;&nbsp; Discussions in multiple =
places are needed to bring the needed brain-power to this problem space.<o:=
p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><br>
Eric<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in =
4.0pt">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> Georgios=
 Karagiannis, October 10, 2014 3:32 AM<br>
<br>
</span></p>
<p class=3D"MsoNormal">Dear all,<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Based on the discussions that I have had with Eric V=
oit, I think that it makes sense to incorporate the work items (or a subset=
 of them) proposed by Eric into the SUPA activities.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">The main goal of SUPA could become:<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D<o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">The main goal of SUPA is to=
 provide YANG models of service specific abstractions e.g. Inter-DCs traffi=
c engineering, that allow applications to request network
 services from single or multiple controllers to be quickly and dynamically=
 created/deleted/modified. This can be realized by:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&nbsp; o) model service spe=
cific abstractions using the combination of policies and network graphs<o:p=
></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&nbsp; o) model the relatio=
nships between service specific abstractions models and network topology an=
d configuration models<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&nbsp; o) specify how singl=
e or multiple controllers can push and pull configuration information to/fr=
om local or remote NEs<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&nbsp; o) specify how NEs c=
an mount and push configuration information to local or remote controllers<=
o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Please comment on the above!<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Best regards,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Georgios<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
</div>
</div>
</body>
</html>

--_000_EF64FF31F4C4384DBCE5D513A791C2B120A445AFxmbalnx11ciscoc_--


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Dear group,=20
These are my notes from the supa discussion this morning.=20

This is quite verbatim, but I missed a few comments from Tina and =
Andrew.=20

-------------
Notes on SUPA follow-up discussion
2014/10/10, on webex
11:10 AM ~ 12:19 PM EDT

Participants (in alphabetical order):=20
-------------
Andrew Qu (Call-in User_2)
Benoit Claise (host)
Eric Voit
Georgios Karagiannis
JF Tremblay
Luis Contreras
Parviz Yegani (Call-in User_3)
Tina Tsou

JFT agreed to be the notetaker.

--------------

Benoit Claise:=20
- Five main comments from the IESG call were sent to the list
- What is not clear to the IESG:=20
 + A lot of keywords, for example "networks interfaces", =
"restconf/netconf", protocol extensions, Service models, standard =
interfaces
 + Difficult to understand
 + The "unified and shared policies" was not understood too
 + The charter speak of interfaces [=85]
- Today: could present slides (but not for 30 minutes!)

Tina suggests we let an operator (Luis) talk first.=20

Luis:=20
- =46rom my perspective an an operator
- We'd like to have a way to abstract topology to be consumed by service =
applications
- A lot of technologies in vendors and technologies in the network
- Several networks, some of them rented, leased, not completely under =
the provider control
- Heterogeneous infrastructure
- Common approach to the diversity.=20
- Simplify and abstract the diversity to offer the infra for consuption =
to others and gain efficiencies.=20
- Having the capability of handling diversity from vendors, =
technologies, etc.

Benoit:=20
- To summarize: to have the topology for the network in a network and =
vendor-neutral way.=20

Luis:=20
- May not be completely possible. Vendors are too different.
- The first abstraction level [implementation?] could not be completely =
neutral.
- But it would improve over time.=20
- As I see this, need different levels of complexity and details.=20

Benoit
- Initially : a topology
- What to expect from this topology?=20
  + First is only topology
  + Second is more about services, with more details.=20
  + For example are nodes wireless or wired?=20

Luis:=20
- For example: quality requirements from the users. Characteristics such =
as SLAs, QoS depending of context.=20
- In other scenarios, it does not matter. The level of abstraction =
depends on the service.=20
- Need a unified view for unified management and operation.=20
- The operator could go deep or not in abstraction depending of needs.=20=


Benoit:
- To summarize:=20
 + Say a controller with an app. Simple use case: video demand from the =
app.=20
 + There's a distinction between what the app want, above the controller
 + Bandwith, sla, path are below a controller. Topology is one of them, =
one element.=20
 + Can I provide this demand for this customer?=20
 + Need view of full network, bandwith implication and impacts.=20
 + Whether this is a generic service is debatable. Could be a video on =
demand specific service.=20
- Topology is granted. Then what else?

Georgios
- In terms of service: need boundaries [...], know what are the =
endpoints
- Need the path. Controllers has all details, but the app only needs the =
key points(such as available bandwidth, SLA)
- Another serivce would use the same topology, but may use a different =
abstraction level.=20

Benoit
- This is my point. =46rom an app point-of-view, different building =
blocks are needed beside the topology.=20
- These blocks are provided by different models in IETF groups (BGP, =
SFC, etc)

Andrew Qu
- Came in late, sorry
- Abstraction model woule provide connectivity in real time.=20
- Operators often need more than shortest paths, OSPF is not dynamic =
enough
- Supa come in handy =20
- Topology can be seen as a matrix.=20
- A topology is very useful to abstract services in the future.=20

Benoit
- Yes a topology is required and is useful for services.
- I2RS is planning a a topology answer in the routing area

Georgios
- Network service model could be done in supa.=20
- We are talking about network services. VPN services, Video-on-demand, =
TE between DC, not about application services.=20
- Focus more on I2RS: other models than i2rs.=20
- Could the mapping to service models and topology would be realized.=20

Parviz:=20
- This is a question that came up internally.
- I2RS charter does not cover the data model, correct?

Benoit
- I2RS covers data models for protocols=20
- This was mentioned by the routing ADs during the call
[searching...]
- The I2RS charter says that they are not charted to develop protocols =
or data models

Parviz
- Information model is RFC3444 (protocol neutral), Data model (tied to a =
protocol) is yang.=20
- Currently I2RS charter does not include data models.=20
- The wisom of IETF can find how to handle this

Luis
- I2RS is limited in scope

Benoit
- Spoke with ISPs: is the IETF fast enough to standardize what you need?=20=

- By trying to standardize services, they will always be late.
- ISPs told us: give us the building blocks, we'll build the services

Luis
- The problem is handling the infra from a third party.=20

Parviz
- Let's take NFC and infrastructure as a service.=20
- Prime use case coming, people are saying: large ISPs own the infra.
- But MVNOs would like to access the topology they do not own.=20

Luis
- Similar approch is possible for mobile backhaul, for infrastructure =
sharing.=20
- This would be a tool to manage these.=20

Parviz:=20
- I'd be happy to send a link to these NFV use cases.=20

Benoit:
- Looking at the charter proposal: L3VPN, TE, QoS
- Now I hear about NFV, VoD.=20
- What is your scope? Granted the topology is needed.=20
- The scope is just massive here.=20

Georgios:=20
- Would you recommend focusing one use case or two?

Benoit:=20
- I wasn't suggesting anything.=20
- I heard on the call that the supa guys were all over the place.=20
- Topology has to be there.=20
- Need access to everything a controller. But what do you need above?
- Reduce the scope (try to focus on a use case)

Parviz
- If you see the driver for SFC, there was a discussion about the same =
point.
- SFC leadership said they needed to scope down the use cases.=20
- Can we limit to certain use cases?=20

Benoit
- I understand you want services yang models
- But they go in all directions. There's no commonatlity between them
- Unified and shared? What is the common point?

Georgios:
- Unified: tried to reach Luis' goal
- Unified way to described service models.

Tina
[...]

Benoit:
- Thank you for your sentence: "network topology and config that can be =
used to map network services to yang models".=20
- Thanks for this summary.=20

Tina
Service models: are [..]

Benoit
- Could be L2VPN, SFC, L3VPN. The app is above that.
- Any of these things that requires multiple configuration point in the =
network
- Setup QOS for example. Could be modeled in yang.=20
- Those are examples of service

Georgios
- We'll try to focus on one or two use cases.=20
- Here are the slides.=20
  + Apps running the network serivces.=20
  + Controller and northbound interface.=20
  + Interface between the controller and network elements.=20
- Controller has all the configuration of the nodes. It provides a view.
- Different types of abstractions depending of application.=20

Benoit:=20
- Let me summarize=20
  + The physical topology is under the controller
  + Above is a sub-topoogy specific to the application.=20

<Luis Contreras left around this time>

Georgios
- Could scale to multiple controllers. It's in scope.=20
- For example for the VPN service: needs specific information.=20
- The service gets the abstract view of the network topology and say I'd =
like to have a vpn with these two endpoints.=20
- Then the controller say it could do it, then implements (or map) the =
service to the topology configuration.=20

Benoit:=20
- Got a few question on service specific abstraction
  + How do you know you need to provide this specific filter to this =
app.
  + In such a case, what can we standardize?

Georgios
- We also use policies. The controller could map policies to =
configuration=20
- Is this clear?

Benoit:=20
- I think this is clear.=20
- I have an open point to check with the routing area chairs about i2rs
- Not everybody will read the problem statement. You need clear text in =
the charter.=20

Georgios
- Let's do the last slide, it's another service.=20
- This service abstraction to adjust trafic going to links and somehow =
chage them based on the demands.=20
- The policy would say go this way.=20
- The controller would map this.=20

Benoit
- Luis, is this what you want?=20
  (But Luis has left earlier)

Parviz
- The question to Luis could be handled by [...].=20

Benoit
- You confused me.
- One one side, I heard the application gets a subset of the topology.
- I was aksing Luis if that's what he wanted.=20
- You said, controller please provide a service between A and B
- Who has the full topology?=20

Parviz
- Maybe we need a follow-up session

Georgios
- There are different ways of doing this. There are different options.=20=


Benoit
- You should just update your charter text with what you want to do.
- The words highlighted in red were not understood.

Georgios
- Is it more clear to you?

Benoit=20
- It's clearer, but not not what my interpretation of the charter text =
would lead to.=20
- Thanks. It's past the top of the hour now.

Andrew:
- Can we take a moment to make (....) clearer.
- [...]
- In this case, this is orchestration.=20

Georgios
- This could be done, not sure we can have an orchestration use case.=20
- Let's discuss this on the mailing list.=20

Parviz
- We have a similar use case internally
- Takeaways for the call
 + First, I2RS is out of scope, the charter does not include data =
models.=20
 + Second takeway: limit the use cases to two use cases.=20
 + Third point: information model or data model? (information model is =
neutral, data is tied and is in yang)

Tina:=20
- We're thinking yang models.=20
- It's a data model.=20

Parviz:=20
- Next step would be a bar bof. Do you plan one?=20

Georgios
- Next step is to make charter more clear=20
- Describe which use cases to choose.=20
- The intention is probably to have a bar bof
- Let's continue on the list

----------------------

JF




--Apple-Mail=_007360C9-4C5D-4E05-8ECB-D4C963AAFBA2
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
	charset=windows-1252

<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dwindows-1252"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: =
after-white-space;"><div><div>Dear group,&nbsp;</div><div>These are my =
notes from the supa discussion this =
morning.&nbsp;</div><div><br></div><div>This is quite verbatim, but I =
missed a few comments from Tina and =
Andrew.&nbsp;</div><div><br></div><div>-------------</div><div>Notes on =
SUPA follow-up discussion</div><div>2014/10/10, on webex</div><div>11:10 =
AM ~ 12:19 PM EDT</div><div><br></div><div>Participants (in alphabetical =
order):&nbsp;</div><div>-------------</div><div>Andrew Qu (Call-in =
User_2)</div><div>Benoit Claise (host)</div><div>Eric =
Voit</div><div>Georgios Karagiannis</div><div>JF Tremblay</div><div>Luis =
Contreras</div><div>Parviz Yegani (Call-in User_3)</div><div>Tina =
Tsou</div><div><br></div><div>JFT agreed to be the =
notetaker.</div><div><br></div><div>--------------</div><div><br></div><di=
v>Benoit Claise:&nbsp;</div><div>- Five main comments from the IESG call =
were sent to the list</div><div>- What is not clear to the =
IESG:&nbsp;</div><div>&nbsp;+ A lot of keywords, for example "networks =
interfaces", "restconf/netconf", protocol extensions, Service models, =
standard interfaces</div><div>&nbsp;+ Difficult to =
understand</div><div>&nbsp;+ The "unified and shared policies" was not =
understood too</div><div>&nbsp;+ The charter speak of interfaces =
[=85]</div><div>- Today: could present slides (but not for 30 =
minutes!)</div><div><br></div><div>Tina suggests we let an operator =
(Luis) talk =
first.&nbsp;</div><div><br></div><div>Luis:&nbsp;</div><div>- =46rom my =
perspective an an operator</div><div>- We'd like to have a way to =
abstract topology to be consumed by service applications</div><div>- A =
lot of technologies in vendors and technologies in the =
network</div><div>- Several networks, some of them rented, leased, not =
completely under the provider control</div><div>- Heterogeneous =
infrastructure</div><div>- Common approach to the =
diversity.&nbsp;</div><div>- Simplify and abstract the diversity to =
offer the infra for consuption to others and gain =
efficiencies.&nbsp;</div><div>- Having the capability of handling =
diversity from vendors, technologies, =
etc.</div><div><br></div><div>Benoit:&nbsp;</div><div>- To summarize: to =
have the topology for the network in a network and vendor-neutral =
way.&nbsp;</div><div><br></div><div>Luis:&nbsp;</div><div>- May not be =
completely possible. Vendors are too different.</div><div>- The first =
abstraction level [implementation?] could not be completely =
neutral.</div><div>- But it would improve over time.&nbsp;</div><div>- =
As I see this, need different levels of complexity and =
details.&nbsp;</div><div><br></div><div>Benoit</div><div>- Initially : a =
topology</div><div>- What to expect from this =
topology?&nbsp;</div><div>&nbsp; + First is only =
topology</div><div>&nbsp; + Second is more about services, with more =
details.&nbsp;</div><div>&nbsp; + For example are nodes wireless or =
wired?&nbsp;</div><div><br></div><div>Luis:&nbsp;</div><div>- For =
example: quality requirements from the users. Characteristics such as =
SLAs, QoS depending of context.&nbsp;</div><div>- In other scenarios, it =
does not matter. The level of abstraction depends on the =
service.&nbsp;</div><div>- Need a unified view for unified management =
and operation.&nbsp;</div><div>- The operator could go deep or not in =
abstraction depending of =
needs.&nbsp;</div><div><br></div><div>Benoit:</div><div>- To =
summarize:&nbsp;</div><div>&nbsp;+ Say a controller with an app. Simple =
use case: video demand from the app.&nbsp;</div><div>&nbsp;+ There's a =
distinction between what the app want, above the =
controller</div><div>&nbsp;+ Bandwith, sla, path are below a controller. =
Topology is one of them, one element.&nbsp;</div><div>&nbsp;+ Can I =
provide this demand for this customer?&nbsp;</div><div>&nbsp;+ Need view =
of full network, bandwith implication and =
impacts.&nbsp;</div><div>&nbsp;+ Whether this is a generic service is =
debatable. Could be a video on demand specific =
service.&nbsp;</div><div>- Topology is granted. Then what =
else?</div><div><br></div><div>Georgios</div><div>- In terms of service: =
need boundaries [...], know what are the endpoints</div><div>- Need the =
path. Controllers has all details, but the app only needs the key =
points(such as available bandwidth, SLA)</div><div>- Another serivce =
would use the same topology, but may use a different abstraction =
level.&nbsp;</div><div><br></div><div>Benoit</div><div>- This is my =
point. =46rom an app point-of-view, different building blocks are needed =
beside the topology.&nbsp;</div><div>- These blocks are provided by =
different models in IETF groups (BGP, SFC, =
etc)</div><div><br></div><div>Andrew Qu</div><div>- Came in late, =
sorry</div><div>- Abstraction model woule provide connectivity in real =
time.&nbsp;</div><div>- Operators often need more than shortest paths, =
OSPF is not dynamic enough</div><div>- Supa come in handy =
&nbsp;</div><div>- Topology can be seen as a matrix.&nbsp;</div><div>- A =
topology is very useful to abstract services in the =
future.&nbsp;</div><div><br></div><div>Benoit</div><div>- Yes a topology =
is required and is useful for services.</div><div>- I2RS is planning a a =
topology answer in the routing =
area</div><div><br></div><div>Georgios</div><div>- Network service model =
could be done in supa.&nbsp;</div><div>- We are talking about network =
services. VPN services, Video-on-demand, TE between DC, not about =
application services.&nbsp;</div><div>- Focus more on I2RS: other models =
than i2rs.&nbsp;</div><div>- Could the mapping to service models and =
topology would be =
realized.&nbsp;</div><div><br></div><div>Parviz:&nbsp;</div><div>- This =
is a question that came up internally.</div><div>- I2RS charter does not =
cover the data model, =
correct?</div><div><br></div><div>Benoit</div><div>- I2RS covers data =
models for protocols&nbsp;</div><div>- This was mentioned by the routing =
ADs during the call</div><div>[searching...]</div><div>- The I2RS =
charter says that they are not charted to develop protocols or data =
models</div><div><br></div><div>Parviz</div><div>- Information model is =
RFC3444 (protocol neutral), Data model (tied to a protocol) is =
yang.&nbsp;</div><div>- Currently I2RS charter does not include data =
models.&nbsp;</div><div>- The wisom of IETF can find how to handle =
this</div><div><br></div><div>Luis</div><div>- I2RS is limited in =
scope</div><div><br></div><div>Benoit</div><div>- Spoke with ISPs: is =
the IETF fast enough to standardize what you need?&nbsp;</div><div>- By =
trying to standardize services, they will always be late.</div><div>- =
ISPs told us: give us the building blocks, we'll build the =
services</div><div><br></div><div>Luis</div><div>- The problem is =
handling the infra from a third =
party.&nbsp;</div><div><br></div><div>Parviz</div><div>- Let's take NFC =
and infrastructure as a service.&nbsp;</div><div>- Prime use case =
coming, people are saying: large ISPs own the infra.</div><div>- But =
MVNOs would like to access the topology they do not =
own.&nbsp;</div><div><br></div><div>Luis</div><div>- Similar approch is =
possible for mobile backhaul, for infrastructure =
sharing.&nbsp;</div><div>- This would be a tool to manage =
these.&nbsp;</div><div><br></div><div>Parviz:&nbsp;</div><div>- I'd be =
happy to send a link to these NFV use =
cases.&nbsp;</div><div><br></div><div>Benoit:</div><div>- Looking at the =
charter proposal: L3VPN, TE, QoS</div><div>- Now I hear about NFV, =
VoD.&nbsp;</div><div>- What is your scope? Granted the topology is =
needed.&nbsp;</div><div>- The scope is just massive =
here.&nbsp;</div><div><br></div><div>Georgios:&nbsp;</div><div>- Would =
you recommend focusing one use case or =
two?</div><div><br></div><div>Benoit:&nbsp;</div><div>- I wasn't =
suggesting anything.&nbsp;</div><div>- I heard on the call that the supa =
guys were all over the place.&nbsp;</div><div>- Topology has to be =
there.&nbsp;</div><div>- Need access to everything a controller. But =
what do you need above?</div><div>- Reduce the scope (try to focus on a =
use case)</div><div><br></div><div>Parviz</div><div>- If you see the =
driver for SFC, there was a discussion about the same point.</div><div>- =
SFC leadership said they needed to scope down the use =
cases.&nbsp;</div><div>- Can we limit to certain use =
cases?&nbsp;</div><div><br></div><div>Benoit</div><div>- I understand =
you want services yang models</div><div>- But they go in all directions. =
There's no commonatlity between them</div><div>- Unified and shared? =
What is the common point?</div><div><br></div><div>Georgios:</div><div>- =
Unified: tried to reach Luis' goal</div><div>- Unified way to described =
service =
models.</div><div><br></div><div>Tina</div><div>[...]</div><div><br></div>=
<div>Benoit:</div><div>- Thank you for your sentence: "network topology =
and config that can be used to map network services to yang =
models".&nbsp;</div><div>- Thanks for this =
summary.&nbsp;</div><div><br></div><div>Tina</div><div>Service models: =
are [..]</div><div><br></div><div>Benoit</div><div>- Could be L2VPN, =
SFC, L3VPN. The app is above that.</div><div>- Any of these things that =
requires multiple configuration point in the network</div><div>- Setup =
QOS for example. Could be modeled in yang.&nbsp;</div><div>- Those are =
examples of service</div><div><br></div><div>Georgios</div><div>- We'll =
try to focus on one or two use cases.&nbsp;</div><div>- Here are the =
slides.&nbsp;</div><div>&nbsp; + Apps running the network =
serivces.&nbsp;</div><div>&nbsp; + Controller and northbound =
interface.&nbsp;</div><div>&nbsp; + Interface between the controller and =
network elements.&nbsp;</div><div>- Controller has all the configuration =
of the nodes. It provides a view.</div><div>- Different types of =
abstractions depending of =
application.&nbsp;</div><div><br></div><div>Benoit:&nbsp;</div><div>- =
Let me summarize&nbsp;</div><div>&nbsp; + The physical topology is under =
the controller</div><div>&nbsp; + Above is a sub-topoogy specific to the =
application.&nbsp;</div><div><br></div><div>&lt;Luis Contreras left =
around this time&gt;</div><div><br></div><div>Georgios</div><div>- Could =
scale to multiple controllers. It's in scope.&nbsp;</div><div>- For =
example for the VPN service: needs specific =
information.&nbsp;</div><div>- The service gets the abstract view of the =
network topology and say I'd like to have a vpn with these two =
endpoints.&nbsp;</div><div>- Then the controller say it could do it, =
then implements (or map) the service to the topology =
configuration.&nbsp;</div><div><br></div><div>Benoit:&nbsp;</div><div>- =
Got a few question on service specific abstraction</div><div>&nbsp; + =
How do you know you need to provide this specific filter to this =
app.</div><div>&nbsp; + In such a case, what can we =
standardize?</div><div><br></div><div>Georgios</div><div>- We also use =
policies. The controller could map policies to =
configuration&nbsp;</div><div>- Is this =
clear?</div><div><br></div><div>Benoit:&nbsp;</div><div>- I think this =
is clear.&nbsp;</div><div>- I have an open point to check with the =
routing area chairs about i2rs</div><div>- Not everybody will read the =
problem statement. You need clear text in the =
charter.&nbsp;</div><div><br></div><div>Georgios</div><div>- Let's do =
the last slide, it's another service.&nbsp;</div><div>- This service =
abstraction to adjust trafic going to links and somehow chage them based =
on the demands.&nbsp;</div><div>- The policy would say go this =
way.&nbsp;</div><div>- The controller would map =
this.&nbsp;</div><div><br></div><div>Benoit</div><div>- Luis, is this =
what you want?&nbsp;</div><div>&nbsp; (But Luis has left =
earlier)</div><div><br></div><div>Parviz</div><div>- The question to =
Luis could be handled by =
[...].&nbsp;</div><div><br></div><div>Benoit</div><div>- You confused =
me.</div><div>- One one side, I heard the application gets a subset of =
the topology.</div><div>- I was aksing Luis if that's what he =
wanted.&nbsp;</div><div>- You said, controller please provide a service =
between A and B</div><div>- Who has the full =
topology?&nbsp;</div><div><br></div><div>Parviz</div><div>- Maybe we =
need a follow-up session</div><div><br></div><div>Georgios</div><div>- =
There are different ways of doing this. There are different =
options.&nbsp;</div><div><br></div><div>Benoit</div><div>- You should =
just update your charter text with what you want to do.</div><div>- The =
words highlighted in red were not =
understood.</div><div><br></div><div>Georgios</div><div>- Is it more =
clear to you?</div><div><br></div><div>Benoit&nbsp;</div><div>- It's =
clearer, but not not what my interpretation of the charter text would =
lead to.&nbsp;</div><div>- Thanks. It's past the top of the hour =
now.</div><div><br></div><div>Andrew:</div><div>- Can we take a moment =
to make (....) clearer.</div><div>- [...]</div><div>- In this case, this =
is orchestration.&nbsp;</div><div><br></div><div>Georgios</div><div>- =
This could be done, not sure we can have an orchestration use =
case.&nbsp;</div><div>- Let's discuss this on the mailing =
list.&nbsp;</div><div><br></div><div>Parviz</div><div>- We have a =
similar use case internally</div><div>- Takeaways for the =
call</div><div>&nbsp;+ First, I2RS is out of scope, the charter does not =
include data models.&nbsp;</div><div>&nbsp;+ Second takeway: limit the =
use cases to two use cases.&nbsp;</div><div>&nbsp;+ Third point: =
information model or data model? (information model is neutral, data is =
tied and is in yang)</div><div><br></div><div>Tina:&nbsp;</div><div>- =
We're thinking yang models.&nbsp;</div><div>- It's a data =
model.&nbsp;</div><div><br></div><div>Parviz:&nbsp;</div><div>- Next =
step would be a bar bof. Do you plan =
one?&nbsp;</div><div><br></div><div>Georgios</div><div>- Next step is to =
make charter more clear&nbsp;</div><div>- Describe which use cases to =
choose.&nbsp;</div><div>- The intention is probably to have a bar =
bof</div><div>- Let's continue on the =
list</div></div><div><br></div><div>----------------------</div><div><br><=
/div><div apple-content-edited=3D"true"><div style=3D"color: rgb(0, 0, =
0); letter-spacing: normal; orphans: auto; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; widows: =
auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: =
break-word; -webkit-nbsp-mode: space; -webkit-line-break: =
after-white-space;"><div>JF</div></div><br =
class=3D"Apple-interchange-newline"><br =
class=3D"Apple-interchange-newline">
</div>
<br></body></html>=

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From: Tina TSOU <Tina.Tsou.Zouting@huawei.com>
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Dear JF,

Thank you for taking notes.

Sorry about bad audio from WebEx China.

What I said was below.
We want to create YANG models of network topology and configuration, that w=
e can use to map network service specific YANG models into device specific =
YANG models.

In the end of the day, the deliverables would be
1) Yang models of network topology
2) Yang models of network configuration
3) Mapping of network service specific yang models to device specific Yang =
models
4) Device specific yang models not covered by other existing WGs

I aslo said about the relationship of draft-contreras-supa-yang-network-top=
o and draft-hares-i2rs-info-model-service-topo had been discussed in the ma=
iling list, see below.
http://www.ietf.org/mail-archive/web/supa/current/msg00093.html
Agreed with JF that the draft-hares is closer to physical topology. Draft-c=
ontreras is a view of topology.


Thank you,
Tina

From: Supa [mailto:supa-bounces@ietf.org] On Behalf Of JF Tremblay
Sent: Saturday, October 11, 2014 1:16 AM
To: supa@ietf.org
Subject: [Supa] SUPA discussion on 2014-10-10

Dear group,
These are my notes from the supa discussion this morning.

This is quite verbatim, but I missed a few comments from Tina and Andrew.

-------------
Notes on SUPA follow-up discussion
2014/10/10, on webex
11:10 AM ~ 12:19 PM EDT

Participants (in alphabetical order):
-------------
Andrew Qu (Call-in User_2)
Benoit Claise (host)
Eric Voit
Georgios Karagiannis
JF Tremblay
Luis Contreras
Parviz Yegani (Call-in User_3)
Tina Tsou

JFT agreed to be the notetaker.

--------------

Benoit Claise:
- Five main comments from the IESG call were sent to the list
- What is not clear to the IESG:
 + A lot of keywords, for example "networks interfaces", "restconf/netconf"=
, protocol extensions, Service models, standard interfaces
 + Difficult to understand
 + The "unified and shared policies" was not understood too
 + The charter speak of interfaces [...]
- Today: could present slides (but not for 30 minutes!)

Tina suggests we let an operator (Luis) talk first.

Luis:
- From my perspective an an operator
- We'd like to have a way to abstract topology to be consumed by service ap=
plications
- A lot of technologies in vendors and technologies in the network
- Several networks, some of them rented, leased, not completely under the p=
rovider control
- Heterogeneous infrastructure
- Common approach to the diversity.
- Simplify and abstract the diversity to offer the infra for consuption to =
others and gain efficiencies.
- Having the capability of handling diversity from vendors, technologies, e=
tc.

Benoit:
- To summarize: to have the topology for the network in a network and vendo=
r-neutral way.

Luis:
- May not be completely possible. Vendors are too different.
- The first abstraction level [implementation?] could not be completely neu=
tral.
- But it would improve over time.
- As I see this, need different levels of complexity and details.

Benoit
- Initially : a topology
- What to expect from this topology?
  + First is only topology
  + Second is more about services, with more details.
  + For example are nodes wireless or wired?

Luis:
- For example: quality requirements from the users. Characteristics such as=
 SLAs, QoS depending of context.
- In other scenarios, it does not matter. The level of abstraction depends =
on the service.
- Need a unified view for unified management and operation.
- The operator could go deep or not in abstraction depending of needs.

Benoit:
- To summarize:
 + Say a controller with an app. Simple use case: video demand from the app=
.
 + There's a distinction between what the app want, above the controller
 + Bandwith, sla, path are below a controller. Topology is one of them, one=
 element.
 + Can I provide this demand for this customer?
 + Need view of full network, bandwith implication and impacts.
 + Whether this is a generic service is debatable. Could be a video on dema=
nd specific service.
- Topology is granted. Then what else?

Georgios
- In terms of service: need boundaries [...], know what are the endpoints
- Need the path. Controllers has all details, but the app only needs the ke=
y points(such as available bandwidth, SLA)
- Another serivce would use the same topology, but may use a different abst=
raction level.

Benoit
- This is my point. From an app point-of-view, different building blocks ar=
e needed beside the topology.
- These blocks are provided by different models in IETF groups (BGP, SFC, e=
tc)

Andrew Qu
- Came in late, sorry
- Abstraction model woule provide connectivity in real time.
- Operators often need more than shortest paths, OSPF is not dynamic enough
- Supa come in handy
- Topology can be seen as a matrix.
- A topology is very useful to abstract services in the future.

Benoit
- Yes a topology is required and is useful for services.
- I2RS is planning a a topology answer in the routing area

Georgios
- Network service model could be done in supa.
- We are talking about network services. VPN services, Video-on-demand, TE =
between DC, not about application services.
- Focus more on I2RS: other models than i2rs.
- Could the mapping to service models and topology would be realized.

Parviz:
- This is a question that came up internally.
- I2RS charter does not cover the data model, correct?

Benoit
- I2RS covers data models for protocols
- This was mentioned by the routing ADs during the call
[searching...]
- The I2RS charter says that they are not charted to develop protocols or d=
ata models

Parviz
- Information model is RFC3444 (protocol neutral), Data model (tied to a pr=
otocol) is yang.
- Currently I2RS charter does not include data models.
- The wisom of IETF can find how to handle this

Luis
- I2RS is limited in scope

Benoit
- Spoke with ISPs: is the IETF fast enough to standardize what you need?
- By trying to standardize services, they will always be late.
- ISPs told us: give us the building blocks, we'll build the services

Luis
- The problem is handling the infra from a third party.

Parviz
- Let's take NFC and infrastructure as a service.
- Prime use case coming, people are saying: large ISPs own the infra.
- But MVNOs would like to access the topology they do not own.

Luis
- Similar approch is possible for mobile backhaul, for infrastructure shari=
ng.
- This would be a tool to manage these.

Parviz:
- I'd be happy to send a link to these NFV use cases.

Benoit:
- Looking at the charter proposal: L3VPN, TE, QoS
- Now I hear about NFV, VoD.
- What is your scope? Granted the topology is needed.
- The scope is just massive here.

Georgios:
- Would you recommend focusing one use case or two?

Benoit:
- I wasn't suggesting anything.
- I heard on the call that the supa guys were all over the place.
- Topology has to be there.
- Need access to everything a controller. But what do you need above?
- Reduce the scope (try to focus on a use case)

Parviz
- If you see the driver for SFC, there was a discussion about the same poin=
t.
- SFC leadership said they needed to scope down the use cases.
- Can we limit to certain use cases?

Benoit
- I understand you want services yang models
- But they go in all directions. There's no commonatlity between them
- Unified and shared? What is the common point?

Georgios:
- Unified: tried to reach Luis' goal
- Unified way to described service models.

Tina
[...]

Benoit:
- Thank you for your sentence: "network topology and config that can be use=
d to map network services to yang models".
- Thanks for this summary.

Tina
Service models: are [..]

Benoit
- Could be L2VPN, SFC, L3VPN. The app is above that.
- Any of these things that requires multiple configuration point in the net=
work
- Setup QOS for example. Could be modeled in yang.
- Those are examples of service

Georgios
- We'll try to focus on one or two use cases.
- Here are the slides.
  + Apps running the network serivces.
  + Controller and northbound interface.
  + Interface between the controller and network elements.
- Controller has all the configuration of the nodes. It provides a view.
- Different types of abstractions depending of application.

Benoit:
- Let me summarize
  + The physical topology is under the controller
  + Above is a sub-topoogy specific to the application.

<Luis Contreras left around this time>

Georgios
- Could scale to multiple controllers. It's in scope.
- For example for the VPN service: needs specific information.
- The service gets the abstract view of the network topology and say I'd li=
ke to have a vpn with these two endpoints.
- Then the controller say it could do it, then implements (or map) the serv=
ice to the topology configuration.

Benoit:
- Got a few question on service specific abstraction
  + How do you know you need to provide this specific filter to this app.
  + In such a case, what can we standardize?

Georgios
- We also use policies. The controller could map policies to configuration
- Is this clear?

Benoit:
- I think this is clear.
- I have an open point to check with the routing area chairs about i2rs
- Not everybody will read the problem statement. You need clear text in the=
 charter.

Georgios
- Let's do the last slide, it's another service.
- This service abstraction to adjust trafic going to links and somehow chag=
e them based on the demands.
- The policy would say go this way.
- The controller would map this.

Benoit
- Luis, is this what you want?
  (But Luis has left earlier)

Parviz
- The question to Luis could be handled by [...].

Benoit
- You confused me.
- One one side, I heard the application gets a subset of the topology.
- I was aksing Luis if that's what he wanted.
- You said, controller please provide a service between A and B
- Who has the full topology?

Parviz
- Maybe we need a follow-up session

Georgios
- There are different ways of doing this. There are different options.

Benoit
- You should just update your charter text with what you want to do.
- The words highlighted in red were not understood.

Georgios
- Is it more clear to you?

Benoit
- It's clearer, but not not what my interpretation of the charter text woul=
d lead to.
- Thanks. It's past the top of the hour now.

Andrew:
- Can we take a moment to make (....) clearer.
- [...]
- In this case, this is orchestration.

Georgios
- This could be done, not sure we can have an orchestration use case.
- Let's discuss this on the mailing list.

Parviz
- We have a similar use case internally
- Takeaways for the call
 + First, I2RS is out of scope, the charter does not include data models.
 + Second takeway: limit the use cases to two use cases.
 + Third point: information model or data model? (information model is neut=
ral, data is tied and is in yang)

Tina:
- We're thinking yang models.
- It's a data model.

Parviz:
- Next step would be a bar bof. Do you plan one?

Georgios
- Next step is to make charter more clear
- Describe which use cases to choose.
- The intention is probably to have a bar bof
- Let's continue on the list

----------------------

JF



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<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p=
>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thank you for taking notes.=
<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p=
>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D">Sorry about bad audio from =
WebEx China.<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p=
>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D">What I said was below.<o:p>=
</o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D">We want to create YANG mode=
ls of network topology and configuration, that we can use to
<b>map</b> <u>network service specific YANG models</u> <b>into</b> <u>devic=
e specific YANG models</u>.</span><span lang=3D"EN-US" style=3D"font-size:1=
0.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"=
>&nbsp;
<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p=
>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D">In the end of the day, the =
deliverables would be<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D">1) Yang models of network t=
opology<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D">2) Yang models of network c=
onfiguration<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D">3) Mapping of network servi=
ce specific yang models to device specific Yang models<o:p></o:p></span></p=
>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D">4) Device specific yang mod=
els not covered by other existing WGs<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p=
>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D">I aslo said about the relat=
ionship of draft-contreras-supa-yang-network-topo and draft-hares-i2rs-info=
-model-service-topo
 had been discussed in the mailing list, see below.<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D"><a href=3D"http://www.ietf.=
org/mail-archive/web/supa/current/msg00093.html">http://www.ietf.org/mail-a=
rchive/web/supa/current/msg00093.html</a><o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D">Agreed with JF that the dra=
ft-hares is closer to physical topology. Draft-contreras is
 a view of topology.<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p=
>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p=
>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Free=
style Script&quot;;color:#1F497D">Thank you,<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Free=
style Script&quot;;color:#1F497D">Tina<o:p></o:p></span></p>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Arial Unicode MS&quot;,&quot;sans-serif&quot;;color:#1F497D"><=
o:p>&nbsp;</o:p></span></p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:10.0pt;fo=
nt-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span =
lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&qu=
ot;sans-serif&quot;"> Supa [mailto:supa-bounces@ietf.org]
<b>On Behalf Of </b>JF Tremblay<br>
<b>Sent:</b> Saturday, October 11, 2014 1:16 AM<br>
<b>To:</b> supa@ietf.org<br>
<b>Subject:</b> [Supa] SUPA discussion on 2014-10-10<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Dear group,&nbsp;<o:p></o:p></s=
pan></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">These are my notes from the sup=
a discussion this morning.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">This is quite verbatim, but I m=
issed a few comments from Tina and Andrew.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">-------------<o:p></o:p></span>=
</p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Notes on SUPA follow-up discuss=
ion<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">2014/10/10, on webex<o:p></o:p>=
</span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">11:10 AM ~ 12:19 PM EDT<o:p></o=
:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Participants (in alphabetical o=
rder):&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">-------------<o:p></o:p></span>=
</p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Andrew Qu (Call-in User_2)<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Benoit Claise (host)<o:p></o:p>=
</span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Eric Voit<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Georgios Karagiannis<o:p></o:p>=
</span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">JF Tremblay<o:p></o:p></span></=
p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Luis Contreras<o:p></o:p></span=
></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Parviz Yegani (Call-in User_3)<=
o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Tina Tsou<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">JFT agreed to be the notetaker.=
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">--------------<o:p></o:p></span=
></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Benoit Claise:&nbsp;<o:p></o:p>=
</span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Five main comments from the I=
ESG call were sent to the list<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- What is not clear to the IESG=
:&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;&#43; A lot of keywords, =
for example &quot;networks interfaces&quot;, &quot;restconf/netconf&quot;, =
protocol extensions, Service models, standard interfaces<o:p></o:p></span><=
/p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;&#43; Difficult to unders=
tand<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;&#43; The &quot;unified a=
nd shared policies&quot; was not understood too<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;&#43; The charter speak o=
f interfaces [&#8230;]<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Today: could present slides (=
but not for 30 minutes!)<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Tina suggests we let an operato=
r (Luis) talk first.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Luis:&nbsp;<o:p></o:p></span></=
p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- From my perspective an an ope=
rator<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- We'd like to have a way to ab=
stract topology to be consumed by service applications<o:p></o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- A lot of technologies in vend=
ors and technologies in the network<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Several networks, some of the=
m rented, leased, not completely under the provider control<o:p></o:p></spa=
n></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Heterogeneous infrastructure<=
o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Common approach to the divers=
ity.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Simplify and abstract the div=
ersity to offer the infra for consuption to others and gain efficiencies.&n=
bsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Having the capability of hand=
ling diversity from vendors, technologies, etc.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Benoit:&nbsp;<o:p></o:p></span>=
</p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- To summarize: to have the top=
ology for the network in a network and vendor-neutral way.&nbsp;<o:p></o:p>=
</span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Luis:&nbsp;<o:p></o:p></span></=
p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- May not be completely possibl=
e. Vendors are too different.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- The first abstraction level [=
implementation?] could not be completely neutral.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- But it would improve over tim=
e.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- As I see this, need different=
 levels of complexity and details.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Benoit<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Initially : a topology<o:p></=
o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- What to expect from this topo=
logy?&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp; &#43; First is only topo=
logy<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp; &#43; Second is more abo=
ut services, with more details.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp; &#43; For example are no=
des wireless or wired?&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Luis:&nbsp;<o:p></o:p></span></=
p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- For example: quality requirem=
ents from the users. Characteristics such as SLAs, QoS depending of context=
.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- In other scenarios, it does n=
ot matter. The level of abstraction depends on the service.&nbsp;<o:p></o:p=
></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Need a unified view for unifi=
ed management and operation.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- The operator could go deep or=
 not in abstraction depending of needs.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Benoit:<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- To summarize:&nbsp;<o:p></o:p=
></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;&#43; Say a controller wi=
th an app. Simple use case: video demand from the app.&nbsp;<o:p></o:p></sp=
an></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;&#43; There's a distincti=
on between what the app want, above the controller<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;&#43; Bandwith, sla, path=
 are below a controller. Topology is one of them, one element.&nbsp;<o:p></=
o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;&#43; Can I provide this =
demand for this customer?&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;&#43; Need view of full n=
etwork, bandwith implication and impacts.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;&#43; Whether this is a g=
eneric service is debatable. Could be a video on demand specific service.&n=
bsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Topology is granted. Then wha=
t else?<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Georgios<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- In terms of service: need bou=
ndaries [...], know what are the endpoints<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Need the path. Controllers ha=
s all details, but the app only needs the key points(such as available band=
width, SLA)<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Another serivce would use the=
 same topology, but may use a different abstraction level.&nbsp;<o:p></o:p>=
</span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Benoit<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- This is my point. From an app=
 point-of-view, different building blocks are needed beside the topology.&n=
bsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- These blocks are provided by =
different models in IETF groups (BGP, SFC, etc)<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Andrew Qu<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Came in late, sorry<o:p></o:p=
></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Abstraction model woule provi=
de connectivity in real time.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Operators often need more tha=
n shortest paths, OSPF is not dynamic enough<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Supa come in handy &nbsp;<o:p=
></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Topology can be seen as a mat=
rix.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- A topology is very useful to =
abstract services in the future.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Benoit<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Yes a topology is required an=
d is useful for services.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- I2RS is planning a a topology=
 answer in the routing area<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Georgios<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Network service model could b=
e done in supa.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- We are talking about network =
services. VPN services, Video-on-demand, TE between DC, not about applicati=
on services.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Focus more on I2RS: other mod=
els than i2rs.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Could the mapping to service =
models and topology would be realized.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Parviz:&nbsp;<o:p></o:p></span>=
</p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- This is a question that came =
up internally.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- I2RS charter does not cover t=
he data model, correct?<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Benoit<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- I2RS covers data models for p=
rotocols&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- This was mentioned by the rou=
ting ADs during the call<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">[searching...]<o:p></o:p></span=
></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- The I2RS charter says that th=
ey are not charted to develop protocols or data models<o:p></o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Parviz<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Information model is RFC3444 =
(protocol neutral), Data model (tied to a protocol) is yang.&nbsp;<o:p></o:=
p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Currently I2RS charter does n=
ot include data models.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- The wisom of IETF can find ho=
w to handle this<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Luis<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- I2RS is limited in scope<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Benoit<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Spoke with ISPs: is the IETF =
fast enough to standardize what you need?&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- By trying to standardize serv=
ices, they will always be late.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- ISPs told us: give us the bui=
lding blocks, we'll build the services<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Luis<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- The problem is handling the i=
nfra from a third party.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Parviz<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Let's take NFC and infrastruc=
ture as a service.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Prime use case coming, people=
 are saying: large ISPs own the infra.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- But MVNOs would like to acces=
s the topology they do not own.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Luis<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Similar approch is possible f=
or mobile backhaul, for infrastructure sharing.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- This would be a tool to manag=
e these.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Parviz:&nbsp;<o:p></o:p></span>=
</p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- I'd be happy to send a link t=
o these NFV use cases.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Benoit:<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Looking at the charter propos=
al: L3VPN, TE, QoS<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Now I hear about NFV, VoD.&nb=
sp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- What is your scope? Granted t=
he topology is needed.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- The scope is just massive her=
e.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Georgios:&nbsp;<o:p></o:p></spa=
n></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Would you recommend focusing =
one use case or two?<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Benoit:&nbsp;<o:p></o:p></span>=
</p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- I wasn't suggesting anything.=
&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- I heard on the call that the =
supa guys were all over the place.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Topology has to be there.&nbs=
p;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Need access to everything a c=
ontroller. But what do you need above?<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Reduce the scope (try to focu=
s on a use case)<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Parviz<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- If you see the driver for SFC=
, there was a discussion about the same point.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- SFC leadership said they need=
ed to scope down the use cases.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Can we limit to certain use c=
ases?&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Benoit<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- I understand you want service=
s yang models<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- But they go in all directions=
. There's no commonatlity between them<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Unified and shared? What is t=
he common point?<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Georgios:<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Unified: tried to reach Luis'=
 goal<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Unified way to described serv=
ice models.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Tina<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">[...]<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Benoit:<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Thank you for your sentence: =
&quot;network topology and config that can be used to map network services =
to yang models&quot;.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Thanks for this summary.&nbsp=
;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Tina<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Service models: are [..]<o:p></=
o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Benoit<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Could be L2VPN, SFC, L3VPN. T=
he app is above that.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Any of these things that requ=
ires multiple configuration point in the network<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Setup QOS for example. Could =
be modeled in yang.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Those are examples of service=
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Georgios<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- We'll try to focus on one or =
two use cases.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Here are the slides.&nbsp;<o:=
p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp; &#43; Apps running the n=
etwork serivces.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp; &#43; Controller and nor=
thbound interface.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp; &#43; Interface between =
the controller and network elements.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Controller has all the config=
uration of the nodes. It provides a view.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Different types of abstractio=
ns depending of application.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Benoit:&nbsp;<o:p></o:p></span>=
</p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Let me summarize&nbsp;<o:p></=
o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp; &#43; The physical topol=
ogy is under the controller<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp; &#43; Above is a sub-top=
oogy specific to the application.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&lt;Luis Contreras left around =
this time&gt;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Georgios<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Could scale to multiple contr=
ollers. It's in scope.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- For example for the VPN servi=
ce: needs specific information.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- The service gets the abstract=
 view of the network topology and say I'd like to have a vpn with these two=
 endpoints.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Then the controller say it co=
uld do it, then implements (or map) the service to the topology configurati=
on.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Benoit:&nbsp;<o:p></o:p></span>=
</p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Got a few question on service=
 specific abstraction<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp; &#43; How do you know yo=
u need to provide this specific filter to this app.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp; &#43; In such a case, wh=
at can we standardize?<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Georgios<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- We also use policies. The con=
troller could map policies to configuration&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Is this clear?<o:p></o:p></sp=
an></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Benoit:&nbsp;<o:p></o:p></span>=
</p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- I think this is clear.&nbsp;<=
o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- I have an open point to check=
 with the routing area chairs about i2rs<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Not everybody will read the p=
roblem statement. You need clear text in the charter.&nbsp;<o:p></o:p></spa=
n></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Georgios<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Let's do the last slide, it's=
 another service.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- This service abstraction to a=
djust trafic going to links and somehow chage them based on the demands.&nb=
sp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- The policy would say go this =
way.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- The controller would map this=
.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Benoit<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Luis, is this what you want?&=
nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp; (But Luis has left earli=
er)<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Parviz<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- The question to Luis could be=
 handled by [...].&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Benoit<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- You confused me.<o:p></o:p></=
span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- One one side, I heard the app=
lication gets a subset of the topology.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- I was aksing Luis if that's w=
hat he wanted.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- You said, controller please p=
rovide a service between A and B<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Who has the full topology?&nb=
sp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Parviz<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Maybe we need a follow-up ses=
sion<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Georgios<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- There are different ways of d=
oing this. There are different options.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Benoit<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- You should just update your c=
harter text with what you want to do.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- The words highlighted in red =
were not understood.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Georgios<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Is it more clear to you?<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Benoit&nbsp;<o:p></o:p></span><=
/p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- It's clearer, but not not wha=
t my interpretation of the charter text would lead to.&nbsp;<o:p></o:p></sp=
an></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Thanks. It's past the top of =
the hour now.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Andrew:<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Can we take a moment to make =
(....) clearer.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- [...]<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- In this case, this is orchest=
ration.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Georgios<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- This could be done, not sure =
we can have an orchestration use case.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Let's discuss this on the mai=
ling list.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Parviz<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- We have a similar use case in=
ternally<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Takeaways for the call<o:p></=
o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;&#43; First, I2RS is out =
of scope, the charter does not include data models.&nbsp;<o:p></o:p></span>=
</p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;&#43; Second takeway: lim=
it the use cases to two use cases.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;&#43; Third point: inform=
ation model or data model? (information model is neutral, data is tied and =
is in yang)<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Tina:&nbsp;<o:p></o:p></span></=
p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- We're thinking yang models.&n=
bsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- It's a data model.&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Parviz:&nbsp;<o:p></o:p></span>=
</p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Next step would be a bar bof.=
 Do you plan one?&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Georgios<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Next step is to make charter =
more clear&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Describe which use cases to c=
hoose.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- The intention is probably to =
have a bar bof<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Let's continue on the list<o:=
p></o:p></span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">----------------------<o:p></o:=
p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"color:black">JF<o:p></=
o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
<o:p>&nbsp;</o:p></span></p>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
</body>
</html>

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From: "Jun Bi" <junbi@tsinghua.edu.cn>
To: "'Tina TSOU'" <Tina.Tsou.Zouting@huawei.com>, "'JF Tremblay'" <jean-francois.tremblay@viagenie.ca>, <supa@ietf.org>
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Hi All,

 

Sorry that I could not attend this meeting due to schedule conflict. 

Thanks for JF's notes, I can see the discussion.

 

Personally, I agree with Tina's suggestion on deliverables.

We may also add "examples" into the deliverable list.

 

Best Regards,

Jun

 

From: supa-bounces@ietf.org [mailto:supa-bounces@ietf.org] On Behalf Of Tina
TSOU
Sent: Saturday, October 11, 2014 12:00 PM
To: JF Tremblay; supa@ietf.org
Subject: Re: [Supa] SUPA discussion on 2014-10-10

 

Dear JF,

 

Thank you for taking notes.

 

Sorry about bad audio from WebEx China.

 

What I said was below.

We want to create YANG models of network topology and configuration, that we
can use to map network service specific YANG models into device specific
YANG models.  

 

In the end of the day, the deliverables would be

1) Yang models of network topology

2) Yang models of network configuration

3) Mapping of network service specific yang models to device specific Yang
models

4) Device specific yang models not covered by other existing WGs

 

I aslo said about the relationship of draft-contreras-supa-yang-network-topo
and draft-hares-i2rs-info-model-service-topo had been discussed in the
mailing list, see below.

http://www.ietf.org/mail-archive/web/supa/current/msg00093.html

Agreed with JF that the draft-hares is closer to physical topology.
Draft-contreras is a view of topology.

 

 

Thank you,

Tina

 

From: Supa [mailto:supa-bounces@ietf.org] On Behalf Of JF Tremblay
Sent: Saturday, October 11, 2014 1:16 AM
To: supa@ietf.org <mailto:supa@ietf.org> 
Subject: [Supa] SUPA discussion on 2014-10-10

 

Dear group, 

These are my notes from the supa discussion this morning. 

 

This is quite verbatim, but I missed a few comments from Tina and Andrew. 

 

-------------

Notes on SUPA follow-up discussion

2014/10/10, on webex

11:10 AM ~ 12:19 PM EDT

 

Participants (in alphabetical order): 

-------------

Andrew Qu (Call-in User_2)

Benoit Claise (host)

Eric Voit

Georgios Karagiannis

JF Tremblay

Luis Contreras

Parviz Yegani (Call-in User_3)

Tina Tsou

 

JFT agreed to be the notetaker.

 

--------------

 

Benoit Claise: 

- Five main comments from the IESG call were sent to the list

- What is not clear to the IESG: 

 + A lot of keywords, for example "networks interfaces", "restconf/netconf",
protocol extensions, Service models, standard interfaces

 + Difficult to understand

 + The "unified and shared policies" was not understood too

 + The charter speak of interfaces [.]

- Today: could present slides (but not for 30 minutes!)

 

Tina suggests we let an operator (Luis) talk first. 

 

Luis: 

- From my perspective an an operator

- We'd like to have a way to abstract topology to be consumed by service
applications

- A lot of technologies in vendors and technologies in the network

- Several networks, some of them rented, leased, not completely under the
provider control

- Heterogeneous infrastructure

- Common approach to the diversity. 

- Simplify and abstract the diversity to offer the infra for consuption to
others and gain efficiencies. 

- Having the capability of handling diversity from vendors, technologies,
etc.

 

Benoit: 

- To summarize: to have the topology for the network in a network and
vendor-neutral way. 

 

Luis: 

- May not be completely possible. Vendors are too different.

- The first abstraction level [implementation?] could not be completely
neutral.

- But it would improve over time. 

- As I see this, need different levels of complexity and details. 

 

Benoit

- Initially : a topology

- What to expect from this topology? 

  + First is only topology

  + Second is more about services, with more details. 

  + For example are nodes wireless or wired? 

 

Luis: 

- For example: quality requirements from the users. Characteristics such as
SLAs, QoS depending of context. 

- In other scenarios, it does not matter. The level of abstraction depends
on the service. 

- Need a unified view for unified management and operation. 

- The operator could go deep or not in abstraction depending of needs. 

 

Benoit:

- To summarize: 

 + Say a controller with an app. Simple use case: video demand from the app.


 + There's a distinction between what the app want, above the controller

 + Bandwith, sla, path are below a controller. Topology is one of them, one
element. 

 + Can I provide this demand for this customer? 

 + Need view of full network, bandwith implication and impacts. 

 + Whether this is a generic service is debatable. Could be a video on
demand specific service. 

- Topology is granted. Then what else?

 

Georgios

- In terms of service: need boundaries [...], know what are the endpoints

- Need the path. Controllers has all details, but the app only needs the key
points(such as available bandwidth, SLA)

- Another serivce would use the same topology, but may use a different
abstraction level. 

 

Benoit

- This is my point. From an app point-of-view, different building blocks are
needed beside the topology. 

- These blocks are provided by different models in IETF groups (BGP, SFC,
etc)

 

Andrew Qu

- Came in late, sorry

- Abstraction model woule provide connectivity in real time. 

- Operators often need more than shortest paths, OSPF is not dynamic enough

- Supa come in handy  

- Topology can be seen as a matrix. 

- A topology is very useful to abstract services in the future. 

 

Benoit

- Yes a topology is required and is useful for services.

- I2RS is planning a a topology answer in the routing area

 

Georgios

- Network service model could be done in supa. 

- We are talking about network services. VPN services, Video-on-demand, TE
between DC, not about application services. 

- Focus more on I2RS: other models than i2rs. 

- Could the mapping to service models and topology would be realized. 

 

Parviz: 

- This is a question that came up internally.

- I2RS charter does not cover the data model, correct?

 

Benoit

- I2RS covers data models for protocols 

- This was mentioned by the routing ADs during the call

[searching...]

- The I2RS charter says that they are not charted to develop protocols or
data models

 

Parviz

- Information model is RFC3444 (protocol neutral), Data model (tied to a
protocol) is yang. 

- Currently I2RS charter does not include data models. 

- The wisom of IETF can find how to handle this

 

Luis

- I2RS is limited in scope

 

Benoit

- Spoke with ISPs: is the IETF fast enough to standardize what you need? 

- By trying to standardize services, they will always be late.

- ISPs told us: give us the building blocks, we'll build the services

 

Luis

- The problem is handling the infra from a third party. 

 

Parviz

- Let's take NFC and infrastructure as a service. 

- Prime use case coming, people are saying: large ISPs own the infra.

- But MVNOs would like to access the topology they do not own. 

 

Luis

- Similar approch is possible for mobile backhaul, for infrastructure
sharing. 

- This would be a tool to manage these. 

 

Parviz: 

- I'd be happy to send a link to these NFV use cases. 

 

Benoit:

- Looking at the charter proposal: L3VPN, TE, QoS

- Now I hear about NFV, VoD. 

- What is your scope? Granted the topology is needed. 

- The scope is just massive here. 

 

Georgios: 

- Would you recommend focusing one use case or two?

 

Benoit: 

- I wasn't suggesting anything. 

- I heard on the call that the supa guys were all over the place. 

- Topology has to be there. 

- Need access to everything a controller. But what do you need above?

- Reduce the scope (try to focus on a use case)

 

Parviz

- If you see the driver for SFC, there was a discussion about the same
point.

- SFC leadership said they needed to scope down the use cases. 

- Can we limit to certain use cases? 

 

Benoit

- I understand you want services yang models

- But they go in all directions. There's no commonatlity between them

- Unified and shared? What is the common point?

 

Georgios:

- Unified: tried to reach Luis' goal

- Unified way to described service models.

 

Tina

[...]

 

Benoit:

- Thank you for your sentence: "network topology and config that can be used
to map network services to yang models". 

- Thanks for this summary. 

 

Tina

Service models: are [..]

 

Benoit

- Could be L2VPN, SFC, L3VPN. The app is above that.

- Any of these things that requires multiple configuration point in the
network

- Setup QOS for example. Could be modeled in yang. 

- Those are examples of service

 

Georgios

- We'll try to focus on one or two use cases. 

- Here are the slides. 

  + Apps running the network serivces. 

  + Controller and northbound interface. 

  + Interface between the controller and network elements. 

- Controller has all the configuration of the nodes. It provides a view.

- Different types of abstractions depending of application. 

 

Benoit: 

- Let me summarize 

  + The physical topology is under the controller

  + Above is a sub-topoogy specific to the application. 

 

<Luis Contreras left around this time>

 

Georgios

- Could scale to multiple controllers. It's in scope. 

- For example for the VPN service: needs specific information. 

- The service gets the abstract view of the network topology and say I'd
like to have a vpn with these two endpoints. 

- Then the controller say it could do it, then implements (or map) the
service to the topology configuration. 

 

Benoit: 

- Got a few question on service specific abstraction

  + How do you know you need to provide this specific filter to this app.

  + In such a case, what can we standardize?

 

Georgios

- We also use policies. The controller could map policies to configuration 

- Is this clear?

 

Benoit: 

- I think this is clear. 

- I have an open point to check with the routing area chairs about i2rs

- Not everybody will read the problem statement. You need clear text in the
charter. 

 

Georgios

- Let's do the last slide, it's another service. 

- This service abstraction to adjust trafic going to links and somehow chage
them based on the demands. 

- The policy would say go this way. 

- The controller would map this. 

 

Benoit

- Luis, is this what you want? 

  (But Luis has left earlier)

 

Parviz

- The question to Luis could be handled by [...]. 

 

Benoit

- You confused me.

- One one side, I heard the application gets a subset of the topology.

- I was aksing Luis if that's what he wanted. 

- You said, controller please provide a service between A and B

- Who has the full topology? 

 

Parviz

- Maybe we need a follow-up session

 

Georgios

- There are different ways of doing this. There are different options. 

 

Benoit

- You should just update your charter text with what you want to do.

- The words highlighted in red were not understood.

 

Georgios

- Is it more clear to you?

 

Benoit 

- It's clearer, but not not what my interpretation of the charter text would
lead to. 

- Thanks. It's past the top of the hour now.

 

Andrew:

- Can we take a moment to make (....) clearer.

- [...]

- In this case, this is orchestration. 

 

Georgios

- This could be done, not sure we can have an orchestration use case. 

- Let's discuss this on the mailing list. 

 

Parviz

- We have a similar use case internally

- Takeaways for the call

 + First, I2RS is out of scope, the charter does not include data models. 

 + Second takeway: limit the use cases to two use cases. 

 + Third point: information model or data model? (information model is
neutral, data is tied and is in yang)

 

Tina: 

- We're thinking yang models. 

- It's a data model. 

 

Parviz: 

- Next step would be a bar bof. Do you plan one? 

 

Georgios

- Next step is to make charter more clear 

- Describe which use cases to choose. 

- The intention is probably to have a bar bof

- Let's continue on the list

 

----------------------

 

JF

 

 


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<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--></head><body lang=3DZH-CN link=3Dblue =
vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
lang=3DEN-US =
style=3D'font-size:10.5pt;font-family:"Calibri","sans-serif";color:#99336=
6'>Hi All,<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.5pt;font-family:"Calibri","sans-serif";color:#99336=
6'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.5pt;font-family:"Calibri","sans-serif";color:#99336=
6'>Sorry that I could not attend this meeting due to schedule conflict. =
<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.5pt;font-family:"Calibri","sans-serif";color:#99336=
6'>Thanks for JF&#8217;s notes, I can see the =
discussion.<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.5pt;font-family:"Calibri","sans-serif";color:#99336=
6'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.5pt;font-family:"Calibri","sans-serif";color:#99336=
6'>Personally, I agree with Tina&#8217;s suggestion on =
deliverables.<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US =
style=3D'font-size:10.5pt;font-family:"Calibri","sans-serif";color:#99336=
6'>We may also add &#8220;examples&#8221; into the deliverable =
list.<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.5pt;font-family:"Calibri","sans-serif";color:#99336=
6'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.5pt;font-family:"Calibri","sans-serif";color:#99336=
6'>Best Regards,<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US =
style=3D'font-size:10.5pt;font-family:"Calibri","sans-serif";color:#99336=
6'>Jun<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.5pt;font-family:"Calibri","sans-serif";color:#99336=
6'><o:p>&nbsp;</o:p></span></p><div><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b><span lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'>From:</span=
></b><span lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'> =
supa-bounces@ietf.org [mailto:supa-bounces@ietf.org] <b>On Behalf Of =
</b>Tina TSOU<br><b>Sent:</b> Saturday, October 11, 2014 12:00 =
PM<br><b>To:</b> JF Tremblay; supa@ietf.org<br><b>Subject:</b> Re: =
[Supa] SUPA discussion on 2014-10-10<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p><div><p =
class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Dear JF,<o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Thank you for taking notes.<o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Sorry about bad audio from WebEx China.<o:p></o:p></span></p><p =
class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>What I said was below.<o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>We want to create YANG models of network topology and configuration, =
that we can use to <b>map</b> <u>network service specific YANG =
models</u> <b>into</b> <u>device specific YANG models</u>.</span><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>&nbsp; <o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>In the end of the day, the deliverables would =
be<o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>1) Yang models of network topology<o:p></o:p></span></p><p =
class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>2) Yang models of network configuration<o:p></o:p></span></p><p =
class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>3) Mapping of network service specific yang models to device specific =
Yang models<o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>4) Device specific yang models not covered by other existing =
WGs<o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>I aslo said about the relationship of =
draft-contreras-supa-yang-network-topo and =
draft-hares-i2rs-info-model-service-topo had been discussed in the =
mailing list, see below.<o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><a =
href=3D"http://www.ietf.org/mail-archive/web/supa/current/msg00093.html">=
http://www.ietf.org/mail-archive/web/supa/current/msg00093.html</a><o:p><=
/o:p></span></p><p class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Agreed with JF that the draft-hares is closer to physical topology. =
Draft-contreras is a view of topology.<o:p></o:p></span></p><p =
class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US style=3D'font-size:10.0pt;font-family:"Freestyle =
Script";color:#1F497D'>Thank you,<o:p></o:p></span></p><p =
class=3DMsoNormal =
style=3D'text-align:justify;text-justify:inter-ideograph'><span =
lang=3DEN-US style=3D'font-size:10.0pt;font-family:"Freestyle =
Script";color:#1F497D'>Tina<o:p></o:p></span></p></div><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Arial Unicode =
MS","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><div><div =
style=3D'border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span>=
</b><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Supa [<a =
href=3D"mailto:supa-bounces@ietf.org">mailto:supa-bounces@ietf.org</a>] =
<b>On Behalf Of </b>JF Tremblay<br><b>Sent:</b> Saturday, October 11, =
2014 1:16 AM<br><b>To:</b> <a =
href=3D"mailto:supa@ietf.org">supa@ietf.org</a><br><b>Subject:</b> =
[Supa] SUPA discussion on 2014-10-10<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><div><div><p =
class=3DMsoNormal><span lang=3DEN-US>Dear =
group,&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>These are my notes from the supa discussion this =
morning.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>This is quite verbatim, but I =
missed a few comments from Tina and =
Andrew.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>-------------<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>Notes on SUPA follow-up =
discussion<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>2014/10/10, on webex<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>11:10 AM ~ 12:19 PM =
EDT<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>Participants (in alphabetical =
order):&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>-------------<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>Andrew Qu (Call-in =
User_2)<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>Benoit Claise (host)<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>Eric =
Voit<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>Georgios Karagiannis<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>JF =
Tremblay<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>Luis Contreras<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>Parviz Yegani (Call-in =
User_3)<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>Tina Tsou<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>JFT agreed to be the =
notetaker.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>--------------<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>Benoit =
Claise:&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Five main comments from the IESG call were sent to the =
list<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- What is not clear to the =
IESG:&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>&nbsp;+ A lot of keywords, for example &quot;networks =
interfaces&quot;, &quot;restconf/netconf&quot;, protocol extensions, =
Service models, standard interfaces<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>&nbsp;+ Difficult to =
understand<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>&nbsp;+ The &quot;unified and shared policies&quot; was not =
understood too<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>&nbsp;+ The charter speak of =
interfaces [&#8230;]<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Today: could present slides (but =
not for 30 minutes!)<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>Tina suggests we let an operator =
(Luis) talk first.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Luis:&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- From my perspective an an =
operator<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- We'd like to have a way to abstract topology to be =
consumed by service applications<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- A lot of technologies in vendors =
and technologies in the network<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Several networks, some of them =
rented, leased, not completely under the provider =
control<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Heterogeneous =
infrastructure<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Common approach to the =
diversity.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Simplify and abstract the =
diversity to offer the infra for consuption to others and gain =
efficiencies.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Having the capability of handling =
diversity from vendors, technologies, =
etc.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Benoit:&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- To summarize: to have the =
topology for the network in a network and vendor-neutral =
way.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Luis:&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- May not be completely possible. =
Vendors are too different.<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- The first abstraction level =
[implementation?] could not be completely =
neutral.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- But it would improve over =
time.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- As I see this, need different levels of complexity and =
details.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Benoit<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Initially : a =
topology<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- What to expect from this =
topology?&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>&nbsp; + First is only =
topology<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>&nbsp; + Second is more about services, with more =
details.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>&nbsp; + For example are nodes =
wireless or wired?&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Luis:&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- For example: quality requirements =
from the users. Characteristics such as SLAs, QoS depending of =
context.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- In other scenarios, it does not =
matter. The level of abstraction depends on the =
service.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Need a unified view for unified =
management and operation.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- The operator could go deep or not =
in abstraction depending of =
needs.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Benoit:<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- To =
summarize:&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>&nbsp;+ Say a controller with an =
app. Simple use case: video demand from the =
app.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>&nbsp;+ There's a distinction between what the app want, =
above the controller<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>&nbsp;+ Bandwith, sla, path are =
below a controller. Topology is one of them, one =
element.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>&nbsp;+ Can I provide this demand =
for this customer?&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>&nbsp;+ Need view of full network, =
bandwith implication and =
impacts.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>&nbsp;+ Whether this is a generic =
service is debatable. Could be a video on demand specific =
service.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Topology is granted. Then what =
else?<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Georgios<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- In terms of service: need =
boundaries [...], know what are the =
endpoints<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Need the path. Controllers has all details, but the app =
only needs the key points(such as available bandwidth, =
SLA)<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Another serivce would use the same topology, but may use =
a different abstraction level.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Benoit<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- This is my point. From an app =
point-of-view, different building blocks are needed beside the =
topology.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- These blocks are provided by =
different models in IETF groups (BGP, SFC, =
etc)<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>Andrew =
Qu<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Came in late, sorry<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Abstraction model woule provide =
connectivity in real time.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Operators often need more than =
shortest paths, OSPF is not dynamic =
enough<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Supa come in handy =
&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Topology can be seen as a =
matrix.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- A topology is very useful to abstract services in the =
future.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Benoit<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Yes a topology is required and is =
useful for services.<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- I2RS is planning a a topology =
answer in the routing area<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Georgios<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Network service model could be =
done in supa.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- We are talking about network =
services. VPN services, Video-on-demand, TE between DC, not about =
application services.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Focus more on I2RS: other models =
than i2rs.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Could the mapping to service =
models and topology would be =
realized.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Parviz:&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- This is a question that came up =
internally.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- I2RS charter does not cover the data model, =
correct?<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Benoit<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- I2RS covers data models for =
protocols&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- This was mentioned by the routing =
ADs during the call<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>[searching...]<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- The I2RS charter says that they =
are not charted to develop protocols or data =
models<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Parviz<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Information model is RFC3444 =
(protocol neutral), Data model (tied to a protocol) is =
yang.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Currently I2RS charter does not include data =
models.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- The wisom of IETF can find how to handle =
this<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Luis<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- I2RS is limited in =
scope<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Benoit<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Spoke with ISPs: is the IETF fast =
enough to standardize what you =
need?&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- By trying to standardize services, they will always be =
late.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- ISPs told us: give us the building blocks, we'll build =
the services<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Luis<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- The problem is handling the infra =
from a third party.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Parviz<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Let's take NFC and infrastructure =
as a service.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Prime use case coming, people are =
saying: large ISPs own the infra.<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- But MVNOs would like to access =
the topology they do not own.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Luis<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Similar approch is possible for =
mobile backhaul, for infrastructure =
sharing.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- This would be a tool to manage =
these.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Parviz:&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- I'd be happy to send a link to =
these NFV use cases.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Benoit:<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Looking at the charter proposal: =
L3VPN, TE, QoS<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Now I hear about NFV, =
VoD.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- What is your scope? Granted the topology is =
needed.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- The scope is just massive =
here.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Georgios:&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Would you recommend focusing one =
use case or two?<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Benoit:&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- I wasn't suggesting =
anything.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- I heard on the call that the supa =
guys were all over the place.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Topology has to be =
there.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Need access to everything a controller. But what do you =
need above?<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Reduce the scope (try to focus on a use =
case)<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Parviz<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- If you see the driver for SFC, =
there was a discussion about the same =
point.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- SFC leadership said they needed to scope down the use =
cases.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Can we limit to certain use =
cases?&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Benoit<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- I understand you want services =
yang models<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- But they go in all directions. There's no commonatlity =
between them<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Unified and shared? What is the common =
point?<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Georgios:<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Unified: tried to reach Luis' =
goal<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Unified way to described service =
models.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Tina<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>[...]<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Benoit:<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Thank you for your sentence: =
&quot;network topology and config that can be used to map network =
services to yang models&quot;.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Thanks for this =
summary.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Tina<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>Service models: are =
[..]<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Benoit<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Could be L2VPN, SFC, L3VPN. The =
app is above that.<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Any of these things that requires =
multiple configuration point in the =
network<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Setup QOS for example. Could be modeled in =
yang.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Those are examples of =
service<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Georgios<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- We'll try to focus on one or two =
use cases.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Here are the =
slides.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>&nbsp; + Apps running the network =
serivces.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>&nbsp; + Controller and northbound =
interface.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>&nbsp; + Interface between the =
controller and network =
elements.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Controller has all the =
configuration of the nodes. It provides a =
view.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Different types of abstractions depending of =
application.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Benoit:&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Let me =
summarize&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>&nbsp; + The physical topology is =
under the controller<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>&nbsp; + Above is a sub-topoogy =
specific to the application.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>&lt;Luis Contreras left around this =
time&gt;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Georgios<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Could scale to multiple =
controllers. It's in scope.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- For example for the VPN service: =
needs specific information.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- The service gets the abstract =
view of the network topology and say I'd like to have a vpn with these =
two endpoints.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Then the controller say it could =
do it, then implements (or map) the service to the topology =
configuration.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Benoit:&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Got a few question on service =
specific abstraction<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>&nbsp; + How do you know you need =
to provide this specific filter to this =
app.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>&nbsp; + In such a case, what can we =
standardize?<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Georgios<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- We also use policies. The =
controller could map policies to =
configuration&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Is this =
clear?<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Benoit:&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- I think this is =
clear.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- I have an open point to check with the routing area =
chairs about i2rs<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Not everybody will read the =
problem statement. You need clear text in the =
charter.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Georgios<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Let's do the last slide, it's =
another service.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- This service abstraction to =
adjust trafic going to links and somehow chage them based on the =
demands.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- The policy would say go this =
way.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- The controller would map =
this.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Benoit<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Luis, is this what you =
want?&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>&nbsp; (But Luis has left =
earlier)<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Parviz<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- The question to Luis could be =
handled by [...].&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Benoit<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- You confused =
me.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- One one side, I heard the application gets a subset of =
the topology.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- I was aksing Luis if that's what he =
wanted.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- You said, controller please provide a service between A =
and B<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Who has the full =
topology?&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Parviz<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Maybe we need a follow-up =
session<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Georgios<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- There are different ways of doing =
this. There are different =
options.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Benoit<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- You should just update your =
charter text with what you want to =
do.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- The words highlighted in red were not =
understood.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Georgios<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Is it more clear to =
you?<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Benoit&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- It's clearer, but not not what my =
interpretation of the charter text would lead =
to.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Thanks. It's past the top of the hour =
now.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Andrew:<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Can we take a moment to make =
(....) clearer.<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- =
[...]<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- In this case, this is =
orchestration.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Georgios<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- This could be done, not sure we =
can have an orchestration use =
case.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Let's discuss this on the mailing =
list.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Parviz<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- We have a similar use case =
internally<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Takeaways for the call<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>&nbsp;+ First, I2RS is out of =
scope, the charter does not include data =
models.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>&nbsp;+ Second takeway: limit the use cases to two use =
cases.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>&nbsp;+ Third point: information model or data model? =
(information model is neutral, data is tied and is in =
yang)<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Tina:&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- We're thinking yang =
models.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- It's a data =
model.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Parviz:&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Next step would be a bar bof. Do =
you plan one?&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>Georgios<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US>- Next step is to make charter more =
clear&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Describe which use cases to =
choose.&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- The intention is probably to have a bar =
bof<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US>- Let's continue on the =
list<o:p></o:p></span></p></div></div><div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US>----------------------<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><div><div><div><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'color:black'>JF<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal style=3D'margin-bottom:12.0pt'><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div></body></html>
------=_NextPart_000_0132_01CFE54D.C6898EE0--



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Date: Sat, 11 Oct 2014 14:04:24 +0200
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Dear all,

Let me correct the meeting minutes.
See in line.
> Dear group,
> These are my notes from the supa discussion this morning.
>
> This is quite verbatim, but I missed a few comments from Tina and Andrew.
>
> -------------
> Notes on SUPA follow-up discussion
> 2014/10/10, on webex
> 11:10 AM ~ 12:19 PM EDT
>
> Participants (in alphabetical order):
> -------------
> Andrew Qu (Call-in User_2)
> Benoit Claise (host)
> Eric Voit
> Georgios Karagiannis
> JF Tremblay
> Luis Contreras
> Parviz Yegani (Call-in User_3)
> Tina Tsou
>
> JFT agreed to be the notetaker.
>
> --------------
>
> Benoit Claise:
> - Five main comments from the IESG call were sent to the list
> - What is not clear to the IESG:
>  + A lot of keywords, for example "networks interfaces", 
> "restconf/netconf", protocol extensions, Service models, standard 
> interfaces
>  + Difficult to understand
>  + The "unified and shared policies" was not understood too
>  + The charter speak of interfaces […]
> - Today: could present slides (but not for 30 minutes!)
>
> Tina suggests we let an operator (Luis) talk first.
>
> Luis:
> - From my perspective an an operator
> - We'd like to have a way to abstract topology to be consumed by 
> service applications
> - A lot of technologies in vendors and technologies in the network
> - Several networks, some of them rented, leased, not completely under 
> the provider control
> - Heterogeneous infrastructure
> - Common approach to the diversity.
> - Simplify and abstract the diversity to offer the infra for 
> consuption to others and gain efficiencies.
> - Having the capability of handling diversity from vendors, 
> technologies, etc.
>
> Benoit:
> - To summarize: to have the topology for the network in a network and 
> vendor-neutral way.
NEW:
To summarize: to have the topology for the network in a technology and 
vendor-neutral way
>
> Luis:
> - May not be completely possible. Vendors are too different.
> - The first abstraction level [implementation?] could not be 
> completely neutral.
> - But it would improve over time.
> - As I see this, need different levels of complexity and details.
>
> Benoit
> - Initially : a topology
> - What to expect from this topology?
>   + First is only topology
>   + Second is more about services, with more details.
>   + For example are nodes wireless or wired?
NEW:
- you want a topology, but what exactly do you want
     1. only the topology
     2 or the topology with the services mapping.

> Luis:
> - For example: quality requirements from the users. Characteristics 
> such as SLAs, QoS depending of context.
> - In other scenarios, it does not matter. The level of abstraction 
> depends on the service.
> - Need a unified view for unified management and operation.
> - The operator could go deep or not in abstraction depending of needs.
>
> Benoit:
> - To summarize:
>  + Say a controller with an app. Simple use case: video demand from 
> the app.
>  + There's a distinction between what the app want, above the controller
>  + Bandwith, sla, path are below a controller. Topology is one of 
> them, one element.
>  + Can I provide this demand for this customer?
OLD: Let's take Luis' use case: "Can I provide this demand for this 
customer?"
>  + Need view of full network, bandwith implication and impacts.
>  + Whether this is a generic service is debatable. Could be a video on 
> demand specific service.
> - Topology is granted. Then what else?
>
> Georgios
> - In terms of service: need boundaries [...], know what are the endpoints
> - Need the path. Controllers has all details, but the app only needs 
> the key points(such as available bandwidth, SLA)
> - Another serivce would use the same topology, but may use a different 
> abstraction level.
>
> Benoit
> - This is my point. From an app point-of-view, different building 
> blocks are needed beside the topology.
> - These blocks are provided by different models in IETF groups (BGP, 
> SFC, etc)
>
> Andrew Qu
> - Came in late, sorry
> - Abstraction model woule provide connectivity in real time.
> - Operators often need more than shortest paths, OSPF is not dynamic 
> enough
> - Supa come in handy
> - Topology can be seen as a matrix.
> - A topology is very useful to abstract services in the future.
>
> Benoit
> - Yes a topology is required and is useful for services.
> - I2RS is planning a a topology answer in the routing area
>
> Georgios
> - Network service model could be done in supa.
> - We are talking about network services. VPN services, 
> Video-on-demand, TE between DC, not about application services.
> - Focus more on I2RS: other models than i2rs.
> - Could the mapping to service models and topology would be realized.
>
> Parviz:
> - This is a question that came up internally.
> - I2RS charter does not cover the data model, correct?
>
> Benoit
> - I2RS covers data models for protocols
> - This was mentioned by the routing ADs during the call
> [searching...]
> - The I2RS charter says that they are not charted to develop protocols 
> or data models
>
> Parviz
> - Information model is RFC3444 (protocol neutral), Data model (tied to 
> a protocol) is yang.
> - Currently I2RS charter does not include data models.
> - The wisom of IETF can find how to handle this
>
> Luis
> - I2RS is limited in scope
>
> Benoit
> - Spoke with ISPs: is the IETF fast enough to standardize what you need?
Will the IETF fast enough to standardize the services YANG models?
> - By trying to standardize services, they will always be late.
> - ISPs told us: give us the building blocks, we'll build the services
>
> Luis
> - The problem is handling the infra from a third party.
>
> Parviz
> - Let's take NFC and infrastructure as a service.
> - Prime use case coming, people are saying: large ISPs own the infra.
> - But MVNOs would like to access the topology they do not own.
>
> Luis
> - Similar approch is possible for mobile backhaul, for infrastructure 
> sharing.
> - This would be a tool to manage these.
>
> Parviz:
> - I'd be happy to send a link to these NFV use cases.
>
> Benoit:
> - Looking at the charter proposal: L3VPN, TE, QoS
NEW: Looking at the charter proposal, I see diverse use cases: L3VPN, 
TE, QoS
> - Now I hear about NFV, VoD.
> - What is your scope? Granted the topology is needed.
> - The scope is just massive here.
>
> Georgios:
> - Would you recommend focusing one use case or two?
>
> Benoit:
> - I wasn't suggesting anything.
> - I heard on the call that the supa guys were all over the place.
> - Topology has to be there.
> - Need access to everything a controller. But what do you need above?
> - Reduce the scope (try to focus on a use case)
>
> Parviz
> - If you see the driver for SFC, there was a discussion about the same 
> point.
> - SFC leadership said they needed to scope down the use cases.
> - Can we limit to certain use cases?
>
> Benoit
> - I understand you want services yang models
> - But they go in all directions. There's no commonatlity between them
> - Unified and shared? What is the common point?
>
> Georgios:
> - Unified: tried to reach Luis' goal
> - Unified way to described service models.
>
> Tina
> [...]
>
> Benoit:
> - Thank you for your sentence: "network topology and config that can 
> be used to map network services to yang models".
Tina's sentence was: We want to create YANG models of network topology 
and configuration that we can use to map network service specific YANG 
models into device specific YANG models.

Regards, Benoit
> - Thanks for this summary.
>
> Tina
> Service models: are [..]
>
> Benoit
> - Could be L2VPN, SFC, L3VPN. The app is above that.
> - Any of these things that requires multiple configuration point in 
> the network
> - Setup QOS for example. Could be modeled in yang.
> - Those are examples of service
>
> Georgios
> - We'll try to focus on one or two use cases.
> - Here are the slides.
>   + Apps running the network serivces.
>   + Controller and northbound interface.
>   + Interface between the controller and network elements.
> - Controller has all the configuration of the nodes. It provides a view.
> - Different types of abstractions depending of application.
>
> Benoit:
> - Let me summarize
>   + The physical topology is under the controller
>   + Above is a sub-topoogy specific to the application.
>
> <Luis Contreras left around this time>
>
> Georgios
> - Could scale to multiple controllers. It's in scope.
> - For example for the VPN service: needs specific information.
> - The service gets the abstract view of the network topology and say 
> I'd like to have a vpn with these two endpoints.
> - Then the controller say it could do it, then implements (or map) the 
> service to the topology configuration.
>
> Benoit:
> - Got a few question on service specific abstraction
>   + How do you know you need to provide this specific filter to this app.
>   + In such a case, what can we standardize?
>
> Georgios
> - We also use policies. The controller could map policies to 
> configuration
> - Is this clear?
>
> Benoit:
> - I think this is clear.
> - I have an open point to check with the routing area chairs about i2rs
> - Not everybody will read the problem statement. You need clear text 
> in the charter.
>
> Georgios
> - Let's do the last slide, it's another service.
> - This service abstraction to adjust trafic going to links and somehow 
> chage them based on the demands.
> - The policy would say go this way.
> - The controller would map this.
>
> Benoit
> - Luis, is this what you want?
>   (But Luis has left earlier)
>
> Parviz
> - The question to Luis could be handled by [...].
>
> Benoit
> - You confused me.
> - One one side, I heard the application gets a subset of the topology.
> - I was aksing Luis if that's what he wanted.
> - You said, controller please provide a service between A and B
> - Who has the full topology?
>
> Parviz
> - Maybe we need a follow-up session
>
> Georgios
> - There are different ways of doing this. There are different options.
>
> Benoit
> - You should just update your charter text with what you want to do.
> - The words highlighted in red were not understood.
>
> Georgios
> - Is it more clear to you?
>
> Benoit
> - It's clearer, but not not what my interpretation of the charter text 
> would lead to.
> - Thanks. It's past the top of the hour now.
>
> Andrew:
> - Can we take a moment to make (....) clearer.
> - [...]
> - In this case, this is orchestration.
>
> Georgios
> - This could be done, not sure we can have an orchestration use case.
> - Let's discuss this on the mailing list.
>
> Parviz
> - We have a similar use case internally
> - Takeaways for the call
>  + First, I2RS is out of scope, the charter does not include data models.
>  + Second takeway: limit the use cases to two use cases.
>  + Third point: information model or data model? (information model is 
> neutral, data is tied and is in yang)
>
> Tina:
> - We're thinking yang models.
> - It's a data model.
>
> Parviz:
> - Next step would be a bar bof. Do you plan one?
>
> Georgios
> - Next step is to make charter more clear
> - Describe which use cases to choose.
> - The intention is probably to have a bar bof
> - Let's continue on the list
>
> ----------------------
>
> JF
>
>
>


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    <div class="moz-cite-prefix">Dear all,<br>
      <br>
      Let me correct the meeting minutes.<br>
      See in line.<br>
    </div>
    <blockquote
      cite="mid:1841C9B1-5B73-4912-AB6D-FA04371A0B13@viagenie.ca"
      type="cite">
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      <div>
        <div>Dear group, </div>
        <div>These are my notes from the supa discussion this morning. </div>
        <div><br>
        </div>
        <div>This is quite verbatim, but I missed a few comments from
          Tina and Andrew. </div>
        <div><br>
        </div>
        <div>-------------</div>
        <div>Notes on SUPA follow-up discussion</div>
        <div>2014/10/10, on webex</div>
        <div>11:10 AM ~ 12:19 PM EDT</div>
        <div><br>
        </div>
        <div>Participants (in alphabetical order): </div>
        <div>-------------</div>
        <div>Andrew Qu (Call-in User_2)</div>
        <div>Benoit Claise (host)</div>
        <div>Eric Voit</div>
        <div>Georgios Karagiannis</div>
        <div>JF Tremblay</div>
        <div>Luis Contreras</div>
        <div>Parviz Yegani (Call-in User_3)</div>
        <div>Tina Tsou</div>
        <div><br>
        </div>
        <div>JFT agreed to be the notetaker.</div>
        <div><br>
        </div>
        <div>--------------</div>
        <div><br>
        </div>
        <div>Benoit Claise: </div>
        <div>- Five main comments from the IESG call were sent to the
          list</div>
        <div>- What is not clear to the IESG: </div>
        <div> + A lot of keywords, for example "networks interfaces",
          "restconf/netconf", protocol extensions, Service models,
          standard interfaces</div>
        <div> + Difficult to understand</div>
        <div> + The "unified and shared policies" was not understood too</div>
        <div> + The charter speak of interfaces […]</div>
        <div>- Today: could present slides (but not for 30 minutes!)</div>
        <div><br>
        </div>
        <div>Tina suggests we let an operator (Luis) talk first. </div>
        <div><br>
        </div>
        <div>Luis: </div>
        <div>- From my perspective an an operator</div>
        <div>- We'd like to have a way to abstract topology to be
          consumed by service applications</div>
        <div>- A lot of technologies in vendors and technologies in the
          network</div>
        <div>- Several networks, some of them rented, leased, not
          completely under the provider control</div>
        <div>- Heterogeneous infrastructure</div>
        <div>- Common approach to the diversity. </div>
        <div>- Simplify and abstract the diversity to offer the infra
          for consuption to others and gain efficiencies. </div>
        <div>- Having the capability of handling diversity from vendors,
          technologies, etc.</div>
        <div><br>
        </div>
        <div>Benoit: </div>
        <div>- To summarize: to have the topology for the network in a
          network and vendor-neutral way. <br>
        </div>
      </div>
    </blockquote>
    NEW:<br>
    To summarize: to have the topology for the network in a technology
    and vendor-neutral way
    <blockquote
      cite="mid:1841C9B1-5B73-4912-AB6D-FA04371A0B13@viagenie.ca"
      type="cite">
      <div>
        <div><br>
        </div>
        <div>Luis: </div>
        <div>- May not be completely possible. Vendors are too
          different.</div>
        <div>- The first abstraction level [implementation?] could not
          be completely neutral.</div>
        <div>- But it would improve over time. </div>
        <div>- As I see this, need different levels of complexity and
          details. </div>
        <div><br>
        </div>
        <div>Benoit</div>
        <div>- Initially : a topology</div>
        <div>- What to expect from this topology? </div>
        <div>  + First is only topology</div>
        <div>  + Second is more about services, with more details. </div>
        <div>  + For example are nodes wireless or wired? <br>
        </div>
      </div>
    </blockquote>
    NEW:<br>
    - you want a topology, but what exactly do you want<br>
        1. only the topology<br>
        2 or the topology with the services mapping.<br>
    <br>
    <blockquote
      cite="mid:1841C9B1-5B73-4912-AB6D-FA04371A0B13@viagenie.ca"
      type="cite">
      <div>
        <div>Luis: </div>
        <div>- For example: quality requirements from the users.
          Characteristics such as SLAs, QoS depending of context. </div>
        <div>- In other scenarios, it does not matter. The level of
          abstraction depends on the service. </div>
        <div>- Need a unified view for unified management and
          operation. </div>
        <div>- The operator could go deep or not in abstraction
          depending of needs. </div>
        <div><br>
        </div>
        <div>Benoit:</div>
        <div>- To summarize: </div>
        <div> + Say a controller with an app. Simple use case: video
          demand from the app. </div>
        <div> + There's a distinction between what the app want, above
          the controller</div>
        <div> + Bandwith, sla, path are below a controller. Topology is
          one of them, one element. </div>
        <div> + Can I provide this demand for this customer? <br>
        </div>
      </div>
    </blockquote>
    OLD: Let's take Luis' use case: "Can I provide this demand for this
    customer?"
    <blockquote
      cite="mid:1841C9B1-5B73-4912-AB6D-FA04371A0B13@viagenie.ca"
      type="cite">
      <div>
        <div> + Need view of full network, bandwith implication and
          impacts. </div>
        <div> + Whether this is a generic service is debatable. Could be
          a video on demand specific service. </div>
        <div>- Topology is granted. Then what else?</div>
        <div><br>
        </div>
        <div>Georgios</div>
        <div>- In terms of service: need boundaries [...], know what are
          the endpoints</div>
        <div>- Need the path. Controllers has all details, but the app
          only needs the key points(such as available bandwidth, SLA)</div>
        <div>- Another serivce would use the same topology, but may use
          a different abstraction level. </div>
        <div><br>
        </div>
        <div>Benoit</div>
        <div>- This is my point. From an app point-of-view, different
          building blocks are needed beside the topology. </div>
        <div>- These blocks are provided by different models in IETF
          groups (BGP, SFC, etc)</div>
        <div><br>
        </div>
        <div>Andrew Qu</div>
        <div>- Came in late, sorry</div>
        <div>- Abstraction model woule provide connectivity in real
          time. </div>
        <div>- Operators often need more than shortest paths, OSPF is
          not dynamic enough</div>
        <div>- Supa come in handy  </div>
        <div>- Topology can be seen as a matrix. </div>
        <div>- A topology is very useful to abstract services in the
          future. </div>
        <div><br>
        </div>
        <div>Benoit</div>
        <div>- Yes a topology is required and is useful for services.</div>
        <div>- I2RS is planning a a topology answer in the routing area</div>
        <div><br>
        </div>
        <div>Georgios</div>
        <div>- Network service model could be done in supa. </div>
        <div>- We are talking about network services. VPN services,
          Video-on-demand, TE between DC, not about application
          services. </div>
        <div>- Focus more on I2RS: other models than i2rs. </div>
        <div>- Could the mapping to service models and topology would be
          realized. </div>
        <div><br>
        </div>
        <div>Parviz: </div>
        <div>- This is a question that came up internally.</div>
        <div>- I2RS charter does not cover the data model, correct?</div>
        <div><br>
        </div>
        <div>Benoit</div>
        <div>- I2RS covers data models for protocols </div>
        <div>- This was mentioned by the routing ADs during the call</div>
        <div>[searching...]</div>
        <div>- The I2RS charter says that they are not charted to
          develop protocols or data models</div>
        <div><br>
        </div>
        <div>Parviz</div>
        <div>- Information model is RFC3444 (protocol neutral), Data
          model (tied to a protocol) is yang. </div>
        <div>- Currently I2RS charter does not include data models. </div>
        <div>- The wisom of IETF can find how to handle this</div>
        <div><br>
        </div>
        <div>Luis</div>
        <div>- I2RS is limited in scope</div>
        <div><br>
        </div>
        <div>Benoit</div>
        <div>- Spoke with ISPs: is the IETF fast enough to standardize
          what you need? <br>
        </div>
      </div>
    </blockquote>
    Will the IETF fast enough to standardize the services YANG models?<br>
    <blockquote
      cite="mid:1841C9B1-5B73-4912-AB6D-FA04371A0B13@viagenie.ca"
      type="cite">
      <div>
        <div>- By trying to standardize services, they will always be
          late.</div>
        <div>- ISPs told us: give us the building blocks, we'll build
          the services</div>
        <div><br>
        </div>
        <div>Luis</div>
        <div>- The problem is handling the infra from a third party. </div>
        <div><br>
        </div>
        <div>Parviz</div>
        <div>- Let's take NFC and infrastructure as a service. </div>
        <div>- Prime use case coming, people are saying: large ISPs own
          the infra.</div>
        <div>- But MVNOs would like to access the topology they do not
          own. </div>
        <div><br>
        </div>
        <div>Luis</div>
        <div>- Similar approch is possible for mobile backhaul, for
          infrastructure sharing. </div>
        <div>- This would be a tool to manage these. </div>
        <div><br>
        </div>
        <div>Parviz: </div>
        <div>- I'd be happy to send a link to these NFV use cases. </div>
        <div><br>
        </div>
        <div>Benoit:</div>
        <div>- Looking at the charter proposal: L3VPN, TE, QoS</div>
      </div>
    </blockquote>
    NEW: Looking at the charter proposal, I see diverse use cases:
    L3VPN, TE, QoS
    <blockquote
      cite="mid:1841C9B1-5B73-4912-AB6D-FA04371A0B13@viagenie.ca"
      type="cite">
      <div>
        <div>- Now I hear about NFV, VoD. </div>
        <div>- What is your scope? Granted the topology is needed. <br>
        </div>
      </div>
    </blockquote>
    <blockquote
      cite="mid:1841C9B1-5B73-4912-AB6D-FA04371A0B13@viagenie.ca"
      type="cite">
      <div>
        <div>- The scope is just massive here. </div>
        <div><br>
        </div>
        <div>Georgios: </div>
        <div>- Would you recommend focusing one use case or two?</div>
        <div><br>
        </div>
        <div>Benoit: </div>
        <div>- I wasn't suggesting anything. </div>
        <div>- I heard on the call that the supa guys were all over the
          place. </div>
        <div>- Topology has to be there. </div>
        <div>- Need access to everything a controller. But what do you
          need above?</div>
        <div>- Reduce the scope (try to focus on a use case)</div>
        <div><br>
        </div>
        <div>Parviz</div>
        <div>- If you see the driver for SFC, there was a discussion
          about the same point.</div>
        <div>- SFC leadership said they needed to scope down the use
          cases. </div>
        <div>- Can we limit to certain use cases? </div>
        <div><br>
        </div>
        <div>Benoit</div>
        <div>- I understand you want services yang models</div>
        <div>- But they go in all directions. There's no commonatlity
          between them</div>
        <div>- Unified and shared? What is the common point?</div>
        <div><br>
        </div>
        <div>Georgios:</div>
        <div>- Unified: tried to reach Luis' goal</div>
        <div>- Unified way to described service models.</div>
        <div><br>
        </div>
        <div>Tina</div>
        <div>[...]</div>
      </div>
    </blockquote>
    <blockquote
      cite="mid:1841C9B1-5B73-4912-AB6D-FA04371A0B13@viagenie.ca"
      type="cite">
      <div>
        <div><br>
        </div>
        <div>Benoit:</div>
        <div>- Thank you for your sentence: "network topology and config
          that can be used to map network services to yang models". <br>
        </div>
      </div>
    </blockquote>
    Tina's sentence was: We want to create YANG models of network
    topology and configuration that we can use to map network service
    specific YANG models into device specific YANG models.<br>
    <br>
    Regards, Benoit<br>
    <blockquote
      cite="mid:1841C9B1-5B73-4912-AB6D-FA04371A0B13@viagenie.ca"
      type="cite">
      <div>
        <div>- Thanks for this summary. </div>
        <div><br>
        </div>
        <div>Tina</div>
        <div>Service models: are [..]</div>
        <div><br>
        </div>
        <div>Benoit</div>
        <div>- Could be L2VPN, SFC, L3VPN. The app is above that.</div>
        <div>- Any of these things that requires multiple configuration
          point in the network</div>
        <div>- Setup QOS for example. Could be modeled in yang. </div>
        <div>- Those are examples of service</div>
        <div><br>
        </div>
        <div>Georgios</div>
        <div>- We'll try to focus on one or two use cases. </div>
        <div>- Here are the slides. </div>
        <div>  + Apps running the network serivces. </div>
        <div>  + Controller and northbound interface. </div>
        <div>  + Interface between the controller and network elements. </div>
        <div>- Controller has all the configuration of the nodes. It
          provides a view.</div>
        <div>- Different types of abstractions depending of
          application. </div>
        <div><br>
        </div>
        <div>Benoit: </div>
        <div>- Let me summarize </div>
        <div>  + The physical topology is under the controller</div>
        <div>  + Above is a sub-topoogy specific to the application. </div>
        <div><br>
        </div>
        <div>&lt;Luis Contreras left around this time&gt;</div>
        <div><br>
        </div>
        <div>Georgios</div>
        <div>- Could scale to multiple controllers. It's in scope. </div>
        <div>- For example for the VPN service: needs specific
          information. </div>
        <div>- The service gets the abstract view of the network
          topology and say I'd like to have a vpn with these two
          endpoints. </div>
        <div>- Then the controller say it could do it, then implements
          (or map) the service to the topology configuration. </div>
        <div><br>
        </div>
        <div>Benoit: </div>
        <div>- Got a few question on service specific abstraction</div>
        <div>  + How do you know you need to provide this specific
          filter to this app.</div>
        <div>  + In such a case, what can we standardize?</div>
        <div><br>
        </div>
        <div>Georgios</div>
        <div>- We also use policies. The controller could map policies
          to configuration </div>
        <div>- Is this clear?</div>
        <div><br>
        </div>
        <div>Benoit: </div>
        <div>- I think this is clear. </div>
        <div>- I have an open point to check with the routing area
          chairs about i2rs</div>
        <div>- Not everybody will read the problem statement. You need
          clear text in the charter. </div>
        <div><br>
        </div>
        <div>Georgios</div>
        <div>- Let's do the last slide, it's another service. </div>
        <div>- This service abstraction to adjust trafic going to links
          and somehow chage them based on the demands. </div>
        <div>- The policy would say go this way. </div>
        <div>- The controller would map this. </div>
        <div><br>
        </div>
        <div>Benoit</div>
        <div>- Luis, is this what you want? </div>
        <div>  (But Luis has left earlier)</div>
        <div><br>
        </div>
        <div>Parviz</div>
        <div>- The question to Luis could be handled by [...]. </div>
        <div><br>
        </div>
        <div>Benoit</div>
        <div>- You confused me.</div>
        <div>- One one side, I heard the application gets a subset of
          the topology.</div>
        <div>- I was aksing Luis if that's what he wanted. </div>
        <div>- You said, controller please provide a service between A
          and B</div>
        <div>- Who has the full topology? </div>
        <div><br>
        </div>
        <div>Parviz</div>
        <div>- Maybe we need a follow-up session</div>
        <div><br>
        </div>
        <div>Georgios</div>
        <div>- There are different ways of doing this. There are
          different options. </div>
        <div><br>
        </div>
        <div>Benoit</div>
        <div>- You should just update your charter text with what you
          want to do.</div>
        <div>- The words highlighted in red were not understood.</div>
        <div><br>
        </div>
        <div>Georgios</div>
        <div>- Is it more clear to you?</div>
        <div><br>
        </div>
        <div>Benoit </div>
        <div>- It's clearer, but not not what my interpretation of the
          charter text would lead to. </div>
        <div>- Thanks. It's past the top of the hour now.</div>
        <div><br>
        </div>
        <div>Andrew:</div>
        <div>- Can we take a moment to make (....) clearer.</div>
        <div>- [...]</div>
        <div>- In this case, this is orchestration. </div>
        <div><br>
        </div>
        <div>Georgios</div>
        <div>- This could be done, not sure we can have an orchestration
          use case. </div>
        <div>- Let's discuss this on the mailing list. </div>
        <div><br>
        </div>
        <div>Parviz</div>
        <div>- We have a similar use case internally</div>
        <div>- Takeaways for the call</div>
        <div> + First, I2RS is out of scope, the charter does not
          include data models. </div>
        <div> + Second takeway: limit the use cases to two use cases. </div>
        <div> + Third point: information model or data model?
          (information model is neutral, data is tied and is in yang)</div>
        <div><br>
        </div>
        <div>Tina: </div>
        <div>- We're thinking yang models. </div>
        <div>- It's a data model. </div>
        <div><br>
        </div>
        <div>Parviz: </div>
        <div>- Next step would be a bar bof. Do you plan one? </div>
        <div><br>
        </div>
        <div>Georgios</div>
        <div>- Next step is to make charter more clear </div>
        <div>- Describe which use cases to choose. </div>
        <div>- The intention is probably to have a bar bof</div>
        <div>- Let's continue on the list</div>
      </div>
      <div><br>
      </div>
      <div>----------------------</div>
      <div><br>
      </div>
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          <div>JF</div>
        </div>
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      </div>
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Subject: [Supa] SUPA - I2RS - topology and data models
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Dear all,

Following our conf. call yesterday, I had the action item to check with 
the routing ADs regarding I2RS topology and data model.
It's true that the I2RS charter specifies:

    The working group is not currently chartered to develop protocols,
    encoding languages, or data models. The objective of this work
    effort is
    to arrive at common standards for these items, but these items are
    dependent on the progress of the topics listed above. Work for these
    items will be conducted in this working group only after a re-charter,
    and/or may be carried out in another working group with specific
    responsibility for the protocol or encoding language

In my discussion with Alia, it became clear that the I2RS charter has 
information models, not data models, because I2RS hadn't selected a data 
modeling language when the charter was written and because they wanted 
to try and have the higher level discussion about what information 
should be in each model. Alia is expecting to recharter I2RS to do the 
necessary data-models. Not sure if this is a month or 6 months, but the 
key message (from Alia) is that the topology data model development 
should take place in I2RS.

Regards, Benoit


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<html>
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    <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1">
  </head>
  <body bgcolor="#FFFFFF" text="#000000">
    Dear all,<br>
    <br>
    Following our conf. call yesterday, I had the action item to check
    with the routing ADs regarding I2RS topology and data model.<br>
    It's true that the I2RS charter specifies:<br>
    <blockquote>The working group is not currently chartered to develop
      protocols, <br>
      encoding languages, or data models. The objective of this work
      effort is <br>
      to arrive at common standards for these items, but these items are
      <br>
      dependent on the progress of the topics listed above. Work for
      these <br>
      items will be conducted in this working group only after a
      re-charter, <br>
      and/or may be carried out in another working group with specific <br>
      responsibility for the protocol or encoding language</blockquote>
    In my discussion with Alia, it became clear that the I2RS charter
    has information models, not data models, because I2RS hadn't
    selected a data modeling language when the charter was written and
    because they wanted to try and have the higher level discussion
    about what information should be in each model. Alia is expecting to
    recharter I2RS to do the necessary data-models. Not sure if this is
    a month or 6 months, but the key message (from Alia) is that the
    topology data model development should take place in I2RS.<br>
    <div><br>
      Regards, Benoit<br>
      <br>
    </div>
  </body>
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--------------040503040900070900060909--


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From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
To: Jun Bi <junbi@tsinghua.edu.cn>
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Subject: Re: [Supa] SUPA discussion on 2014-10-10
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On Sat, Oct 11, 2014 at 12:20:42PM +0800, Jun Bi wrote:
> 
> In the end of the day, the deliverables would be
> 
> 1) Yang models of network topology
> 
> 2) Yang models of network configuration
> 
> 3) Mapping of network service specific yang models to device specific Yang
> models
> 
> 4) Device specific yang models not covered by other existing WGs

I do not understand why 4) since it is open ended nor do I understand
how it relates to the current NETMOD charter. And again, you need to
say which concrete service you want to tackle - 2) and 3) are too
general to be actionable.

/js

-- 
Juergen Schoenwaelder           Jacobs University Bremen gGmbH
Phone: +49 421 200 3587         Campus Ring 1, 28759 Bremen, Germany
Fax:   +49 421 200 3103         <http://www.jacobs-university.de/>


From nobody Sat Oct 11 20:00:19 2014
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From: Tina TSOU <Tina.Tsou.Zouting@huawei.com>
To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
Thread-Topic: [Supa] SUPA discussion on 2014-10-10
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Dear Juergen,

Good points.

How about

1) Yang models of views of L0-7 network topology

2) Yang models of VPN and DDC network configuration

3) Mapping of VPN and DDC network service specific Yang models to device sp=
ecific Yang models

4) Device specific Yang models of Prefix list, Route Policy, Tunnel Policy,=
 and QoS


Thank you,
Tina

> On Oct 11, 2014, at 6:38 PM, "Juergen Schoenwaelder" <j.schoenwaelder@jac=
obs-university.de> wrote:
>=20
>> On Sat, Oct 11, 2014 at 12:20:42PM +0800, Jun Bi wrote:
>>=20
>> In the end of the day, the deliverables would be
>>=20
>> 1) Yang models of network topology
>>=20
>> 2) Yang models of network configuration
>>=20
>> 3) Mapping of network service specific yang models to device specific Ya=
ng
>> models
>>=20
>> 4) Device specific yang models not covered by other existing WGs
>=20
> I do not understand why 4) since it is open ended nor do I understand
> how it relates to the current NETMOD charter. And again, you need to
> say which concrete service you want to tackle - 2) and 3) are too
> general to be actionable.
>=20
> /js
>=20
> --=20
> Juergen Schoenwaelder           Jacobs University Bremen gGmbH
> Phone: +49 421 200 3587         Campus Ring 1, 28759 Bremen, Germany
> Fax:   +49 421 200 3103         <http://www.jacobs-university.de/>


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Subject: Re: [Supa] SUPA discussion on 2014-10-10
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On Sun, Oct 12, 2014 at 03:00:06AM +0000, Tina TSOU wrote:
> Dear Juergen,
> 
> Good points.
> 
> How about
> 
> 1) Yang models of views of L0-7 network topology

This may or may not be coming out of I2RS. I assume that I2RS will do
at least a layer 3 topology model and ideally that work would give us
a generic topology model that can be augmented with technology / layer
specific extensions. I guess this will be sorted out once I2RS gets to
select between the proposals.

> 2) Yang models of VPN and DDC network configuration

Are you sure DDC network configuration experts are going to be working
in the IETF (whatever DDC means)? Perhaps restrict this to VPNs and be
more precise what kind of VPNs you have in mind.

> 3) Mapping of VPN and DDC network service specific Yang models to device specific Yang models

This assumes there are device specific YANG models to map to...

> 4) Device specific Yang models of Prefix list, Route Policy, Tunnel Policy, and QoS

There is quite some activity already in the routing area concerning
device specific YANG models.

And when I read "QoS" I am wondering whether we are again back to list
broad areas without a well defined scope.

/js

-- 
Juergen Schoenwaelder           Jacobs University Bremen gGmbH
Phone: +49 421 200 3587         Campus Ring 1, 28759 Bremen, Germany
Fax:   +49 421 200 3103         <http://www.jacobs-university.de/>


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From: Georgios Karagiannis <georgios.karagiannis@huawei.com>
To: "supa@ietf.org" <supa@ietf.org>
Thread-Topic: slides presented during the SUPA telco of 10 October 2014
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Date: Wed, 15 Oct 2014 08:52:25 +0000
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Cc: Benoit Claise <bclaise@cisco.com>
Subject: [Supa] slides presented during the SUPA telco of 10 October 2014
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Dear all,

In the attachment you can find the slides that have been presented during t=
he telco of Friday (10 October 2014).
These slides helped the people that were attending the telco to more clearl=
y understand the main goal of SUPA.

Please note that currently we are trying to translate the semantics of thes=
e slides into a charter text.
Other actions that we would like to complete before the IETF meeting in Hon=
olulu are:


1)      Discuss the updated charter on the SUPA mailing list

2)      Select two use cases that will be used as the driving force for SUP=
A activities

3)      Organize a bar BOF during the IETF in Honolulu.

Best regards,
Georgios


From: Supa [mailto:supa-bounces@ietf.org] On Behalf Of Benoit Claise
Sent: Saturday, October 11, 2014 2:28 PM
To: supa@ietf.org
Cc: rtg-ads@tools.ietf.org
Subject: [Supa] SUPA - I2RS - topology and data models

Dear all,

Following our conf. call yesterday, I had the action item to check with the=
 routing ADs regarding I2RS topology and data model.
It's true that the I2RS charter specifies:
The working group is not currently chartered to develop protocols,
encoding languages, or data models. The objective of this work effort is
to arrive at common standards for these items, but these items are
dependent on the progress of the topics listed above. Work for these
items will be conducted in this working group only after a re-charter,
and/or may be carried out in another working group with specific
responsibility for the protocol or encoding language
In my discussion with Alia, it became clear that the I2RS charter has infor=
mation models, not data models, because I2RS hadn't selected a data modelin=
g language when the charter was written and because they wanted to try and =
have the higher level discussion about what information should be in each m=
odel. Alia is expecting to recharter I2RS to do the necessary data-models. =
Not sure if this is a month or 6 months, but the key message (from Alia) is=
 that the topology data model development should take place in I2RS.

Regards, Benoit

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<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Dear all,<o:p></o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">In the attachment you can=
 find the slides that have been presented during the telco of Friday (10 Oc=
tober 2014).<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">These slides helped the p=
eople that were attending the telco to more clearly understand the main goa=
l of SUPA.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Please note that currentl=
y we are trying to translate the semantics of these slides into a charter t=
ext.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Other actions that we wou=
ld like to complete before the IETF meeting in Honolulu are:<o:p></o:p></sp=
an></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-.25in;mso-list:l0 level=
1 lfo1"><![if !supportLists]><span style=3D"font-size:11.0pt;font-family:&q=
uot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><span style=3D"mso-=
list:Ignore">1)<span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-size:11.0pt;font-family:=
&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Discuss the updat=
ed charter on the SUPA mailing list<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-.25in;mso-list:l0 level=
1 lfo1"><![if !supportLists]><span style=3D"font-size:11.0pt;font-family:&q=
uot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><span style=3D"mso-=
list:Ignore">2)<span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-size:11.0pt;font-family:=
&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Select two use ca=
ses that will be used as the driving force for SUPA activities<o:p></o:p></=
span></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-.25in;mso-list:l0 level=
1 lfo1"><![if !supportLists]><span style=3D"font-size:11.0pt;font-family:&q=
uot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><span style=3D"mso-=
list:Ignore">3)<span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-size:11.0pt;font-family:=
&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Organize a bar BO=
F during the IETF in Honolulu.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best regards,<o:p></o:p><=
/span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Georgios<o:p></o:p></span=
></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">From:</span></b><spa=
n style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif=
&quot;;color:windowtext"> Supa [mailto:supa-bounces@ietf.org]
<b>On Behalf Of </b>Benoit Claise<br>
<b>Sent:</b> Saturday, October 11, 2014 2:28 PM<br>
<b>To:</b> supa@ietf.org<br>
<b>Cc:</b> rtg-ads@tools.ietf.org<br>
<b>Subject:</b> [Supa] SUPA - I2RS - topology and data models<o:p></o:p></s=
pan></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Dear all,<br>
<br>
Following our conf. call yesterday, I had the action item to check with the=
 routing ADs regarding I2RS topology and data model.<br>
It's true that the I2RS charter specifies:<o:p></o:p></p>
<p class=3D"MsoNormal">The working group is not currently chartered to deve=
lop protocols,
<br>
encoding languages, or data models. The objective of this work effort is <b=
r>
to arrive at common standards for these items, but these items are <br>
dependent on the progress of the topics listed above. Work for these <br>
items will be conducted in this working group only after a re-charter, <br>
and/or may be carried out in another working group with specific <br>
responsibility for the protocol or encoding language<o:p></o:p></p>
<p class=3D"MsoNormal">In my discussion with Alia, it became clear that the=
 I2RS charter has information models, not data models, because I2RS hadn't =
selected a data modeling language when the charter was written and because =
they wanted to try and have the higher
 level discussion about what information should be in each model. Alia is e=
xpecting to recharter I2RS to do the necessary data-models. Not sure if thi=
s is a month or 6 months, but the key message (from Alia) is that the topol=
ogy data model development should
 take place in I2RS.<o:p></o:p></p>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><br>
Regards, Benoit<o:p></o:p></p>
</div>
</div>
</div>
</body>
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From: Tina TSOU <Tina.Tsou.Zouting@huawei.com>
To: "supa@ietf.org" <supa@ietf.org>
Thread-Topic: New charter of YMCA
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Date: Wed, 15 Oct 2014 15:14:52 +0000
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Cc: "chengying10@chinaunicom.cn" <chengying10@chinaunicom.cn>, LUIS MIGUEL CONTRERAS MURILLO <lmcm@tid.es>
Subject: [Supa] New charter of YMCA
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Dear Benoit, Parviz, Eric, Andrew et al,

Luis, Ying, Georgios and I sat together today, came out with the following =
new charter, hoping to accomadate the comments received these days.

Juergen said we really need a better name, so Luis suggested YMCA.

-------------
Yang Models for Configuration and topology Abstraction (YMCA) charter

Description of Working Group:

As the underlying network infrastructure grows, and new services/traffic ar=
e rapidly increased, it becomes significantly more challenging than in the =
past to maintain the network and deploy new services. Programmatic ways to =
configure and operate networks, often called software-defined, are consider=
ed by many network operators in order to provide significant benefits in de=
ployment agility. Yang Models for Configuration and topology Abstraction (Y=
MCA) attempts to achieve this configuration automation by introducing multi=
-level and multi-technology network abstractions. It plans to create YANG m=
odel of general network topology and YANG model of application-specific con=
figuration to provide topology information as applications expect and map n=
etwork-wide configuration/topology into individual device-recognized config=
uration. As a result, standardized interfaces between applications and netw=
ork controllers of all types could be established and automatic and program=
mable configuration can be achieved based on these interfaces. Although sev=
eral organizations outside and inside of the IETF have defined various sche=
mes for the configuration of network devices and specific network controlle=
rs, none of them offer a vendor-neutral and technology-wide (i.e., L0 to L7=
) standardized way for applications to transmit their needs to controllers.

The main goal of YMCA is to provide Yang models of vendor neutral service s=
pecific abstractions for the VPN and Inter-DCs traffic steering and tunneli=
ng network services, which allow applications to request these network serv=
ices from network controllers of all types, e.g., single or multiple contro=
llers, to be quickly and dynamically created/deleted/modified, using mechan=
isms for exchanging information to and from the NEs.

Work items for YMCA include:
1) Yang Models of views of L0-L7 Network topology with bi-directional and u=
ni-directional links
2) Using Yang Models defined in 1), map Service Specific Yang Models of VPN=
 and DDC virtual links Network Configuration to NE Specific configuration o=
f Tunnel Policy and Traffic Steering Policy
3) Specify how NEs can interact with local or remote network controllers (e=
.g., exchange configuration information, status, etc)

Deliverables:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
o) Produce an informational RFC "Problem Statement".
o) Produce a standards-track RFC that specifies YANG models of different vi=
ews of L0-L7 Network topology
o) Produce standards-track RFCs that specify extensions for the generic YAN=
G models defined above for VPN and Inter-DCs traffic steering and tunneling=
 network services
o) Produce an informational RFC that provides the guidelines for mechanisms=
 that can map the Service Specific Yang Models of VPN and DDC virtual links=
 Network Configuration to NE Specific configuration of Tunnel Policy and Tr=
affic Steering Policy.
o) Produce a standards-track RFCs that specify how NEs can interact with lo=
cal or remote network controllers (e.g., exchange configuration information=
, status, etc)

Milestones:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Mar 2015  Initial "Problem Statement" WG I-D
May 2015  Initial "L0-L7 network topology view YANG Model" WG I-D
Jul 2015  Initial "VPN service specific data model" WG I-D
Jul 2015  Initial "Inter-DC service specific data model" WG I-D
Aug 2015  Initial "Mapping Guidelines" WG I-D
Oct 2015  Initial "NE to/from Controllers information exchange" WG I-D
Sep 2015  Submit "Problem Statement" I-D to IESG
Dec 2015  Submit "L0-L7 network topology view YANG Model" I-D to IESG
Feb 2016  Submit "VPN service specific data model " I-D to IESG
Feb 2016  Submit "Inter-DC service specific data model " I-D to IESG
May 2016  Submit "Mapping Guidelines" I-D to IESG
May 2016 Submit "NE to/from Controllers information exchange" I-D to IESG
-----------------


Thank you,
Tina


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<p class=3D"MsoNormal">Dear Benoit, Parviz, Eric, Andrew et al,<o:p></o:p><=
/p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Luis, Ying, Georgios and I sat together today, came =
out with the following new charter, hoping to accomadate the comments recei=
ved these days.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Juergen said we really need a better name, so Luis s=
uggested YMCA.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">-------------<o:p></o:p></p>
<p class=3D"MsoNormal">Yang Models for Configuration and topology Abstracti=
on (YMCA) charter<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Description of Working Group:<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">As the underlying network infrastructure grows, and =
new services/traffic are rapidly increased, it becomes significantly more c=
hallenging than in the past to maintain the network and deploy new services=
. Programmatic ways to configure and
 operate networks, often called software-defined, are considered by many ne=
twork operators in order to provide significant benefits in deployment agil=
ity. Yang Models for Configuration and topology Abstraction (YMCA) attempts=
 to achieve this configuration automation
 by introducing multi-level and multi-technology network abstractions. It p=
lans to create YANG model of general network topology and YANG model of app=
lication-specific configuration to provide topology information as applicat=
ions expect and map network-wide
 configuration/topology into individual device-recognized configuration. As=
 a result, standardized interfaces between applications and network control=
lers of all types could be established and automatic and programmable confi=
guration can be achieved based on
 these interfaces. Although several organizations outside and inside of the=
 IETF have defined various schemes for the configuration of network devices=
 and specific network controllers, none of them offer a vendor-neutral and =
technology-wide (i.e., L0 to L7)
 standardized way for applications to transmit their needs to controllers.<=
o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">The main goal of YMCA is to provide Yang models of v=
endor neutral service specific abstractions for the VPN and Inter-DCs traff=
ic steering and tunneling network services, which allow applications to req=
uest these network services from network
 controllers of all types, e.g., single or multiple controllers, to be quic=
kly and dynamically created/deleted/modified, using mechanisms for exchangi=
ng information to and from the NEs.&nbsp;
<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Work items for YMCA include:<o:p></o:p></p>
<p class=3D"MsoNormal">1) Yang Models of views of L0-L7 Network topology wi=
th bi-directional and uni-directional links<o:p></o:p></p>
<p class=3D"MsoNormal">2) Using Yang Models defined in 1), map Service Spec=
ific Yang Models of VPN and DDC virtual links Network Configuration to NE S=
pecific configuration of Tunnel Policy and Traffic Steering Policy<o:p></o:=
p></p>
<p class=3D"MsoNormal">3) Specify how NEs can interact with local or remote=
 network controllers (e.g., exchange configuration information, status, etc=
)<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Deliverables:<o:p></o:p></p>
<p class=3D"MsoNormal">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></=
p>
<p class=3D"MsoNormal">o) Produce an informational RFC &quot;Problem Statem=
ent&quot;.<o:p></o:p></p>
<p class=3D"MsoNormal">o) Produce a standards-track RFC that specifies YANG=
 models of different views of L0-L7 Network topology<o:p></o:p></p>
<p class=3D"MsoNormal">o) Produce standards-track RFCs that specify extensi=
ons for the generic YANG models defined above for VPN and Inter-DCs traffic=
 steering and tunneling network services
<o:p></o:p></p>
<p class=3D"MsoNormal">o) Produce an informational RFC that provides the gu=
idelines for mechanisms that can map the Service Specific Yang Models of VP=
N and DDC virtual links Network Configuration to NE Specific configuration =
of Tunnel Policy and Traffic Steering
 Policy.<o:p></o:p></p>
<p class=3D"MsoNormal">o) Produce a standards-track RFCs that specify how N=
Es can interact with local or remote network controllers (e.g., exchange co=
nfiguration information, status, etc)<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Milestones:<o:p></o:p></p>
<p class=3D"MsoNormal">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></p>
<p class=3D"MsoNormal">Mar 2015&nbsp; Initial &quot;Problem Statement&quot;=
 WG I-D<o:p></o:p></p>
<p class=3D"MsoNormal">May 2015&nbsp; Initial &quot;L0-L7 network topology =
view YANG Model&quot; WG I-D<o:p></o:p></p>
<p class=3D"MsoNormal">Jul 2015&nbsp; Initial &#8220;VPN service specific d=
ata model&#8221; WG I-D<o:p></o:p></p>
<p class=3D"MsoNormal">Jul 2015&nbsp; Initial &#8220;Inter-DC service speci=
fic data model&#8221; WG I-D
<o:p></o:p></p>
<p class=3D"MsoNormal">Aug 2015&nbsp; Initial &quot;Mapping Guidelines&quot=
; WG I-D<o:p></o:p></p>
<p class=3D"MsoNormal">Oct 2015&nbsp; Initial &quot;NE to/from Controllers =
information exchange&quot; WG I-D<o:p></o:p></p>
<p class=3D"MsoNormal">Sep 2015&nbsp; Submit &quot;Problem Statement&quot; =
I-D to IESG<o:p></o:p></p>
<p class=3D"MsoNormal">Dec 2015&nbsp; Submit &quot;L0-L7 network topology v=
iew YANG Model&quot; I-D to IESG<o:p></o:p></p>
<p class=3D"MsoNormal">Feb 2016&nbsp; Submit &#8220;VPN service specific da=
ta model &quot; I-D to IESG<o:p></o:p></p>
<p class=3D"MsoNormal">Feb 2016&nbsp; Submit &#8220;Inter-DC service specif=
ic data model &#8220; I-D to IESG<o:p></o:p></p>
<p class=3D"MsoNormal">May 2016&nbsp; Submit &quot;Mapping Guidelines&quot;=
 I-D to IESG<o:p></o:p></p>
<p class=3D"MsoNormal">May 2016 Submit &quot;NE to/from Controllers informa=
tion exchange&quot; I-D to IESG<o:p></o:p></p>
<p class=3D"MsoNormal">----------------- <o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Thank you,<o:p></o:p></p>
<p class=3D"MsoNormal">Tina<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
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From nobody Thu Oct 16 02:21:46 2014
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From: "Liushucheng (Will)" <liushucheng@huawei.com>
To: Tina TSOU <Tina.Tsou.Zouting@huawei.com>, "supa@ietf.org" <supa@ietf.org>
Thread-Topic: New charter of YMCA
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Date: Thu, 16 Oct 2014 09:21:27 +0000
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Cc: "chengying10@chinaunicom.cn" <chengying10@chinaunicom.cn>, LUIS MIGUEL CONTRERAS MURILLO <lmcm@tid.es>
Subject: Re: [Supa] New charter of YMCA
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Melodious name, sounds like a song. :)

Regards,
Will

From: Supa [mailto:supa-bounces@ietf.org] On Behalf Of Tina TSOU
Sent: Wednesday, October 15, 2014 11:15 PM
To: supa@ietf.org
Cc: chengying10@chinaunicom.cn; LUIS MIGUEL CONTRERAS MURILLO
Subject: [Supa] New charter of YMCA

Dear Benoit, Parviz, Eric, Andrew et al,

Luis, Ying, Georgios and I sat together today, came out with the following =
new charter, hoping to accomadate the comments received these days.

Juergen said we really need a better name, so Luis suggested YMCA.

-------------
Yang Models for Configuration and topology Abstraction (YMCA) charter

Description of Working Group:

As the underlying network infrastructure grows, and new services/traffic ar=
e rapidly increased, it becomes significantly more challenging than in the =
past to maintain the network and deploy new services. Programmatic ways to =
configure and operate networks, often called software-defined, are consider=
ed by many network operators in order to provide significant benefits in de=
ployment agility. Yang Models for Configuration and topology Abstraction (Y=
MCA) attempts to achieve this configuration automation by introducing multi=
-level and multi-technology network abstractions. It plans to create YANG m=
odel of general network topology and YANG model of application-specific con=
figuration to provide topology information as applications expect and map n=
etwork-wide configuration/topology into individual device-recognized config=
uration. As a result, standardized interfaces between applications and netw=
ork controllers of all types could be established and automatic and program=
mable configuration can be achieved based on these interfaces. Although sev=
eral organizations outside and inside of the IETF have defined various sche=
mes for the configuration of network devices and specific network controlle=
rs, none of them offer a vendor-neutral and technology-wide (i.e., L0 to L7=
) standardized way for applications to transmit their needs to controllers.

The main goal of YMCA is to provide Yang models of vendor neutral service s=
pecific abstractions for the VPN and Inter-DCs traffic steering and tunneli=
ng network services, which allow applications to request these network serv=
ices from network controllers of all types, e.g., single or multiple contro=
llers, to be quickly and dynamically created/deleted/modified, using mechan=
isms for exchanging information to and from the NEs.

Work items for YMCA include:
1) Yang Models of views of L0-L7 Network topology with bi-directional and u=
ni-directional links
2) Using Yang Models defined in 1), map Service Specific Yang Models of VPN=
 and DDC virtual links Network Configuration to NE Specific configuration o=
f Tunnel Policy and Traffic Steering Policy
3) Specify how NEs can interact with local or remote network controllers (e=
.g., exchange configuration information, status, etc)

Deliverables:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
o) Produce an informational RFC "Problem Statement".
o) Produce a standards-track RFC that specifies YANG models of different vi=
ews of L0-L7 Network topology
o) Produce standards-track RFCs that specify extensions for the generic YAN=
G models defined above for VPN and Inter-DCs traffic steering and tunneling=
 network services
o) Produce an informational RFC that provides the guidelines for mechanisms=
 that can map the Service Specific Yang Models of VPN and DDC virtual links=
 Network Configuration to NE Specific configuration of Tunnel Policy and Tr=
affic Steering Policy.
o) Produce a standards-track RFCs that specify how NEs can interact with lo=
cal or remote network controllers (e.g., exchange configuration information=
, status, etc)

Milestones:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Mar 2015  Initial "Problem Statement" WG I-D
May 2015  Initial "L0-L7 network topology view YANG Model" WG I-D
Jul 2015  Initial "VPN service specific data model" WG I-D
Jul 2015  Initial "Inter-DC service specific data model" WG I-D
Aug 2015  Initial "Mapping Guidelines" WG I-D
Oct 2015  Initial "NE to/from Controllers information exchange" WG I-D
Sep 2015  Submit "Problem Statement" I-D to IESG
Dec 2015  Submit "L0-L7 network topology view YANG Model" I-D to IESG
Feb 2016  Submit "VPN service specific data model " I-D to IESG
Feb 2016  Submit "Inter-DC service specific data model " I-D to IESG
May 2016  Submit "Mapping Guidelines" I-D to IESG
May 2016 Submit "NE to/from Controllers information exchange" I-D to IESG
-----------------


Thank you,
Tina


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:#1F497D">Melodious name, sounds like a song.
</span><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:Wingdings=
;color:#1F497D">J</span><span lang=3D"EN-US" style=3D"font-size:10.5pt;colo=
r:#1F497D"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color=
:#1F497D"><o:p>&nbsp;</o:p></span></p>
<div>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color:#1F497D">Regards=
,</span><span lang=3D"EN-US" style=3D"color:#1F497D"><o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color:#1F497D">Will
</span><span lang=3D"EN-US" style=3D"font-size:10.5pt;color:#1F497D"><o:p><=
/o:p></span></p>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color=
:#1F497D"><o:p>&nbsp;</o:p></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US">From:</span></b><span lang=
=3D"EN-US"> Supa [mailto:supa-bounces@ietf.org]
<b>On Behalf Of </b>Tina TSOU<br>
<b>Sent:</b> Wednesday, October 15, 2014 11:15 PM<br>
<b>To:</b> supa@ietf.org<br>
<b>Cc:</b> chengying10@chinaunicom.cn; LUIS MIGUEL CONTRERAS MURILLO<br>
<b>Subject:</b> [Supa] New charter of YMCA<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Dear Benoit, Parviz, Eric, Andr=
ew et al,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Luis, Ying, Georgios and I sat =
together today, came out with the following new charter, hoping to accomada=
te the comments received these days.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Juergen said we really need a b=
etter name, so Luis suggested YMCA.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">-------------<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Yang Models for Configuration a=
nd topology Abstraction (YMCA) charter<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Description of Working Group:<o=
:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">As the underlying network infra=
structure grows, and new services/traffic are rapidly increased, it becomes=
 significantly more challenging than in the past to maintain the network an=
d deploy new services. Programmatic
 ways to configure and operate networks, often called software-defined, are=
 considered by many network operators in order to provide significant benef=
its in deployment agility. Yang Models for Configuration and topology Abstr=
action (YMCA) attempts to achieve
 this configuration automation by introducing multi-level and multi-technol=
ogy network abstractions. It plans to create YANG model of general network =
topology and YANG model of application-specific configuration to provide to=
pology information as applications
 expect and map network-wide configuration/topology into individual device-=
recognized configuration. As a result, standardized interfaces between appl=
ications and network controllers of all types could be established and auto=
matic and programmable configuration
 can be achieved based on these interfaces. Although several organizations =
outside and inside of the IETF have defined various schemes for the configu=
ration of network devices and specific network controllers, none of them of=
fer a vendor-neutral and technology-wide
 (i.e., L0 to L7) standardized way for applications to transmit their needs=
 to controllers.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">The main goal of YMCA is to pro=
vide Yang models of vendor neutral service specific abstractions for the VP=
N and Inter-DCs traffic steering and tunneling network services, which allo=
w applications to request these network
 services from network controllers of all types, e.g., single or multiple c=
ontrollers, to be quickly and dynamically created/deleted/modified, using m=
echanisms for exchanging information to and from the NEs.&nbsp;
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Work items for YMCA include:<o:=
p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">1) Yang Models of views of L0-L=
7 Network topology with bi-directional and uni-directional links<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">2) Using Yang Models defined in=
 1), map Service Specific Yang Models of VPN and DDC virtual links Network =
Configuration to NE Specific configuration of Tunnel Policy and Traffic Ste=
ering Policy<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">3) Specify how NEs can interact=
 with local or remote network controllers (e.g., exchange configuration inf=
ormation, status, etc)<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Deliverables:<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">o) Produce an informational RFC=
 &quot;Problem Statement&quot;.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">o) Produce a standards-track RF=
C that specifies YANG models of different views of L0-L7 Network topology<o=
:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">o) Produce standards-track RFCs=
 that specify extensions for the generic YANG models defined above for VPN =
and Inter-DCs traffic steering and tunneling network services
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">o) Produce an informational RFC=
 that provides the guidelines for mechanisms that can map the Service Speci=
fic Yang Models of VPN and DDC virtual links Network Configuration to NE Sp=
ecific configuration of Tunnel Policy
 and Traffic Steering Policy.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">o) Produce a standards-track RF=
Cs that specify how NEs can interact with local or remote network controlle=
rs (e.g., exchange configuration information, status, etc)<o:p></o:p></span=
></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Milestones:<o:p></o:p></span></=
p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Mar 2015&nbsp; Initial &quot;Pr=
oblem Statement&quot; WG I-D<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">May 2015&nbsp; Initial &quot;L0=
-L7 network topology view YANG Model&quot; WG I-D<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Jul 2015&nbsp; Initial &#8220;V=
PN service specific data model&#8221; WG I-D<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Jul 2015&nbsp; Initial &#8220;I=
nter-DC service specific data model&#8221; WG I-D
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Aug 2015&nbsp; Initial &quot;Ma=
pping Guidelines&quot; WG I-D<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Oct 2015&nbsp; Initial &quot;NE=
 to/from Controllers information exchange&quot; WG I-D<o:p></o:p></span></p=
>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Sep 2015&nbsp; Submit &quot;Pro=
blem Statement&quot; I-D to IESG<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Dec 2015&nbsp; Submit &quot;L0-=
L7 network topology view YANG Model&quot; I-D to IESG<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Feb 2016&nbsp; Submit &#8220;VP=
N service specific data model &quot; I-D to IESG<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Feb 2016&nbsp; Submit &#8220;In=
ter-DC service specific data model &#8220; I-D to IESG<o:p></o:p></span></p=
>
<p class=3D"MsoNormal"><span lang=3D"EN-US">May 2016&nbsp; Submit &quot;Map=
ping Guidelines&quot; I-D to IESG<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">May 2016 Submit &quot;NE to/fro=
m Controllers information exchange&quot; I-D to IESG<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">----------------- <o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Thank you,<o:p></o:p></span></p=
>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Tina<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
</div>
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Subject: [Supa] FW: New charter of YMCA
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Hi,

 

Some quick questions:

 

1.       Why YANG? Are there any alternatives? 

2.       Is YANG capable to accomplish the object?

3.       Some SDN controllers (e.g., ONIX) make use of NIB (network
information base) to store the network view. How can the NIB and YANG model
be related?

 

Best regards,

Guang

 

From: Liushucheng (Will) [mailto:liushucheng@huawei.com] 
Sent: Friday, October 17, 2014 2:51 PM
To: sunqiong; xiechf; Kostas Pentikousis; andrew.qu@mediatek.com
<mailto:andrew.qu@mediatek.com> ; JF Tremblay; 'adel.ietf@gmail.com'; Jun
Bi; Guang Yao; pyegani@gmail.com <mailto:pyegani@gmail.com> ;
evoit@cisco.com <mailto:evoit@cisco.com> 
Subject: FW: New charter of YMCA

 

Hi all,

 

Would you please review the new charter below and send your comments to the
list? Thank you!

 

Regards,

Will (Shucheng LIU)

 

From: Supa [mailto:supa-bounces@ietf.org] On Behalf Of Tina TSOU
Sent: Wednesday, October 15, 2014 11:15 PM
To: supa@ietf.org <mailto:supa@ietf.org> 
Cc: chengying10@chinaunicom.cn <mailto:chengying10@chinaunicom.cn> ; LUIS
MIGUEL CONTRERAS MURILLO
Subject: [Supa] New charter of YMCA

 

Dear Benoit, Parviz, Eric, Andrew et al,

 

Luis, Ying, Georgios and I sat together today, came out with the following
new charter, hoping to accomadate the comments received these days.

 

Juergen said we really need a better name, so Luis suggested YMCA.

 

-------------

Yang Models for Configuration and topology Abstraction (YMCA) charter

 

Description of Working Group:

 

As the underlying network infrastructure grows, and new services/traffic are
rapidly increased, it becomes significantly more challenging than in the
past to maintain the network and deploy new services. Programmatic ways to
configure and operate networks, often called software-defined, are
considered by many network operators in order to provide significant
benefits in deployment agility. Yang Models for Configuration and topology
Abstraction (YMCA) attempts to achieve this configuration automation by
introducing multi-level and multi-technology network abstractions. It plans
to create YANG model of general network topology and YANG model of
application-specific configuration to provide topology information as
applications expect and map network-wide configuration/topology into
individual device-recognized configuration. As a result, standardized
interfaces between applications and network controllers of all types could
be established and automatic and programmable configuration can be achieved
based on these interfaces. Although several organizations outside and inside
of the IETF have defined various schemes for the configuration of network
devices and specific network controllers, none of them offer a
vendor-neutral and technology-wide (i.e., L0 to L7) standardized way for
applications to transmit their needs to controllers.

 

The main goal of YMCA is to provide Yang models of vendor neutral service
specific abstractions for the VPN and Inter-DCs traffic steering and
tunneling network services, which allow applications to request these
network services from network controllers of all types, e.g., single or
multiple controllers, to be quickly and dynamically
created/deleted/modified, using mechanisms for exchanging information to and
from the NEs.  

 

Work items for YMCA include:

1) Yang Models of views of L0-L7 Network topology with bi-directional and
uni-directional links

2) Using Yang Models defined in 1), map Service Specific Yang Models of VPN
and DDC virtual links Network Configuration to NE Specific configuration of
Tunnel Policy and Traffic Steering Policy

3) Specify how NEs can interact with local or remote network controllers
(e.g., exchange configuration information, status, etc)

 

Deliverables:

=============

o) Produce an informational RFC "Problem Statement".

o) Produce a standards-track RFC that specifies YANG models of different
views of L0-L7 Network topology

o) Produce standards-track RFCs that specify extensions for the generic YANG
models defined above for VPN and Inter-DCs traffic steering and tunneling
network services 

o) Produce an informational RFC that provides the guidelines for mechanisms
that can map the Service Specific Yang Models of VPN and DDC virtual links
Network Configuration to NE Specific configuration of Tunnel Policy and
Traffic Steering Policy.

o) Produce a standards-track RFCs that specify how NEs can interact with
local or remote network controllers (e.g., exchange configuration
information, status, etc)

 

Milestones:

===========

Mar 2015  Initial "Problem Statement" WG I-D

May 2015  Initial "L0-L7 network topology view YANG Model" WG I-D

Jul 2015  Initial "VPN service specific data model" WG I-D

Jul 2015  Initial "Inter-DC service specific data model" WG I-D 

Aug 2015  Initial "Mapping Guidelines" WG I-D

Oct 2015  Initial "NE to/from Controllers information exchange" WG I-D

Sep 2015  Submit "Problem Statement" I-D to IESG

Dec 2015  Submit "L0-L7 network topology view YANG Model" I-D to IESG

Feb 2016  Submit "VPN service specific data model " I-D to IESG

Feb 2016  Submit "Inter-DC service specific data model " I-D to IESG

May 2016  Submit "Mapping Guidelines" I-D to IESG

May 2016 Submit "NE to/from Controllers information exchange" I-D to IESG

----------------- 

 

 

Thank you,

Tina

 


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<o:shapedefaults v:ext=3D"edit" spidmax=3D"1026" />
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<o:shapelayout v:ext=3D"edit">
<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue =
vlink=3Dpurple><div class=3DWordSection1><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal><span =
style=3D'color:#1F497D'>Hi,<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>Some quick =
questions:<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoListParagraph style=3D'text-indent:-18.0pt;mso-list:l0 level1 =
lfo2'><![if !supportLists]><span style=3D'color:#1F497D'><span =
style=3D'mso-list:Ignore'>1.<span style=3D'font:7.0pt "Times New =
Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
</span></span></span><![endif]><span style=3D'color:#1F497D'>Why YANG? =
Are there any alternatives? <o:p></o:p></span></p><p =
class=3DMsoListParagraph style=3D'text-indent:-18.0pt;mso-list:l0 level1 =
lfo2'><![if !supportLists]><span style=3D'color:#1F497D'><span =
style=3D'mso-list:Ignore'>2.<span style=3D'font:7.0pt "Times New =
Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
</span></span></span><![endif]><span style=3D'color:#1F497D'>Is YANG =
capable to accomplish the object?<o:p></o:p></span></p><p =
class=3DMsoListParagraph style=3D'text-indent:-18.0pt;mso-list:l0 level1 =
lfo2'><![if !supportLists]><span style=3D'color:#1F497D'><span =
style=3D'mso-list:Ignore'>3.<span style=3D'font:7.0pt "Times New =
Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
</span></span></span><![endif]><span style=3D'color:#1F497D'>Some SDN =
controllers (e.g., ONIX) make use of NIB (network information base) to =
store the network view. How can the NIB and YANG model be =
related?<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>Best =
regards,<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'color:#1F497D'>Guang<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><div><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b>From:</b> Liushucheng (Will) [<a =
href=3D"mailto:liushucheng@huawei.com">mailto:liushucheng@huawei.com</a>]=
 <br><b>Sent:</b> Friday, October 17, 2014 2:51 PM<br><b>To:</b> =
sunqiong; xiechf; Kostas Pentikousis; <a =
href=3D"mailto:andrew.qu@mediatek.com">andrew.qu@mediatek.com</a>; JF =
Tremblay; 'adel.ietf@gmail.com'; Jun Bi; Guang Yao; <a =
href=3D"mailto:pyegani@gmail.com">pyegani@gmail.com</a>; <a =
href=3D"mailto:evoit@cisco.com">evoit@cisco.com</a><br><b>Subject:</b> =
FW: New charter of YMCA<o:p></o:p></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal><span =
style=3D'font-size:10.5pt;color:#1F497D'>Hi all,<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:10.5pt;color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-size:10.5pt;color:#1F497D'>Would =
you please review the new charter below and send your comments to the =
list? Thank you!<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.5pt;color:#1F497D'><o:p>&nbsp;</o:p></span></p><div=
><p class=3DMsoNormal style=3D'text-align:justify'><span =
style=3D'font-size:10.5pt;color:#1F497D'>Regards,</span><span =
style=3D'color:#1F497D'><o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'text-align:justify'><span =
style=3D'font-size:10.5pt;color:#1F497D'>Will (Shucheng =
LIU)<o:p></o:p></span></p></div><p class=3DMsoNormal><span =
style=3D'font-size:10.5pt;color:#1F497D'><o:p>&nbsp;</o:p></span></p><div=
><div style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt =
0cm 0cm 0cm'><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'><b>From:</b> =
Supa [<a =
href=3D"mailto:supa-bounces@ietf.org">mailto:supa-bounces@ietf.org</a>] =
<b>On Behalf Of </b>Tina TSOU<br><b>Sent:</b> Wednesday, October 15, =
2014 11:15 PM<br><b>To:</b> <a =
href=3D"mailto:supa@ietf.org">supa@ietf.org</a><br><b>Cc:</b> <a =
href=3D"mailto:chengying10@chinaunicom.cn">chengying10@chinaunicom.cn</a>=
; LUIS MIGUEL CONTRERAS MURILLO<br><b>Subject:</b> [Supa] New charter of =
YMCA<o:p></o:p></p></div></div><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'><o:p>&nbsp;</o:p=
></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>Dear Benoit, =
Parviz, Eric, Andrew et al,<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'><o:p>&nbsp;</o:p=
></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>Luis, Ying, =
Georgios and I sat together today, came out with the following new =
charter, hoping to accomadate the comments received these =
days.<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'><o:p>&nbsp;</o:p=
></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>Juergen said we =
really need a better name, so Luis suggested YMCA.<o:p></o:p></p><p =
class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'><o:p>&nbsp;</o:p=
></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>-------------<o:=
p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>Yang Models for =
Configuration and topology Abstraction (YMCA) charter<o:p></o:p></p><p =
class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'><o:p>&nbsp;</o:p=
></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>Description of =
Working Group:<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'><o:p>&nbsp;</o:p=
></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>As the =
underlying network infrastructure grows, and new services/traffic are =
rapidly increased, it becomes significantly more challenging than in the =
past to maintain the network and deploy new services. Programmatic ways =
to configure and operate networks, often called software-defined, are =
considered by many network operators in order to provide significant =
benefits in deployment agility. Yang Models for Configuration and =
topology Abstraction (YMCA) attempts to achieve this configuration =
automation by introducing multi-level and multi-technology network =
abstractions. It plans to create YANG model of general network topology =
and YANG model of application-specific configuration to provide topology =
information as applications expect and map network-wide =
configuration/topology into individual device-recognized configuration. =
As a result, standardized interfaces between applications and network =
controllers of all types could be established and automatic and =
programmable configuration can be achieved based on these interfaces. =
Although several organizations outside and inside of the IETF have =
defined various schemes for the configuration of network devices and =
specific network controllers, none of them offer a vendor-neutral and =
technology-wide (i.e., L0 to L7) standardized way for applications to =
transmit their needs to controllers.<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'><o:p>&nbsp;</o:p=
></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>The main goal =
of YMCA is to provide Yang models of vendor neutral service specific =
abstractions for the VPN and Inter-DCs traffic steering and tunneling =
network services, which allow applications to request these network =
services from network controllers of all types, e.g., single or multiple =
controllers, to be quickly and dynamically created/deleted/modified, =
using mechanisms for exchanging information to and from the NEs.&nbsp; =
<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'><o:p>&nbsp;</o:p=
></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>Work items for =
YMCA include:<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>1) Yang Models =
of views of L0-L7 Network topology with bi-directional and =
uni-directional links<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>2) Using Yang =
Models defined in 1), map Service Specific Yang Models of VPN and DDC =
virtual links Network Configuration to NE Specific configuration of =
Tunnel Policy and Traffic Steering Policy<o:p></o:p></p><p =
class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>3) Specify how =
NEs can interact with local or remote network controllers (e.g., =
exchange configuration information, status, etc)<o:p></o:p></p><p =
class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'><o:p>&nbsp;</o:p=
></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>Deliverables:<o:=
p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>o) Produce an =
informational RFC &quot;Problem Statement&quot;.<o:p></o:p></p><p =
class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>o) Produce a =
standards-track RFC that specifies YANG models of different views of =
L0-L7 Network topology<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>o) Produce =
standards-track RFCs that specify extensions for the generic YANG models =
defined above for VPN and Inter-DCs traffic steering and tunneling =
network services <o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>o) Produce an =
informational RFC that provides the guidelines for mechanisms that can =
map the Service Specific Yang Models of VPN and DDC virtual links =
Network Configuration to NE Specific configuration of Tunnel Policy and =
Traffic Steering Policy.<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>o) Produce a =
standards-track RFCs that specify how NEs can interact with local or =
remote network controllers (e.g., exchange configuration information, =
status, etc)<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'><o:p>&nbsp;</o:p=
></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>Milestones:<o:p>=
</o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>Mar 2015&nbsp; =
Initial &quot;Problem Statement&quot; WG I-D<o:p></o:p></p><p =
class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>May 2015&nbsp; =
Initial &quot;L0-L7 network topology view YANG Model&quot; WG =
I-D<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>Jul 2015&nbsp; =
Initial &#8220;VPN service specific data model&#8221; WG =
I-D<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>Jul 2015&nbsp; =
Initial &#8220;Inter-DC service specific data model&#8221; WG I-D =
<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>Aug 2015&nbsp; =
Initial &quot;Mapping Guidelines&quot; WG I-D<o:p></o:p></p><p =
class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>Oct 2015&nbsp; =
Initial &quot;NE to/from Controllers information exchange&quot; WG =
I-D<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>Sep 2015&nbsp; =
Submit &quot;Problem Statement&quot; I-D to IESG<o:p></o:p></p><p =
class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>Dec 2015&nbsp; =
Submit &quot;L0-L7 network topology view YANG Model&quot; I-D to =
IESG<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>Feb 2016&nbsp; =
Submit &#8220;VPN service specific data model &quot; I-D to =
IESG<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>Feb 2016&nbsp; =
Submit &#8220;Inter-DC service specific data model &#8220; I-D to =
IESG<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>May 2016&nbsp; =
Submit &quot;Mapping Guidelines&quot; I-D to IESG<o:p></o:p></p><p =
class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>May 2016 Submit =
&quot;NE to/from Controllers information exchange&quot; I-D to =
IESG<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>----------------=
- <o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'><o:p>&nbsp;</o:p=
></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'><o:p>&nbsp;</o:p=
></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>Thank =
you,<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'>Tina<o:p></o:p><=
/p><p class=3DMsoNormal =
style=3D'margin-left:21.0pt;mso-para-margin-left:1.91gd'><o:p>&nbsp;</o:p=
></p></div></body></html>
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From: LUIS MIGUEL CONTRERAS MURILLO <luismiguel.contrerasmurillo@telefonica.com>
To: "supa@ietf.org" <supa@ietf.org>, Guang Yao <yaoguang@cernet.edu.cn>
Thread-Topic: [Supa] FW: New charter of YMCA
Thread-Index: AQHP6gXkqKmaIaPMRNeVQStTTtA2JA==
Date: Fri, 17 Oct 2014 12:28:45 +0000
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From: "Eric Voit (evoit)" <evoit@cisco.com>
To: Tina TSOU <Tina.Tsou.Zouting@huawei.com>, "supa@ietf.org" <supa@ietf.org>
Thread-Topic: New charter of YMCA
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Resending as I am not sure it really left by outbox...

From: Eric Voit, October 17, 2014 11:40 AM
To: 'Tina TSOU'; supa@ietf.org
Cc: chengying10@chinaunicom.cn; LUIS MIGUEL CONTRERAS MURILLO; 'Liushucheng=
 (Will)'; sunqiong; xiechf; Kostas Pentikousis; andrew.qu@mediatek.com; JF =
Tremblay; 'adel.ietf@gmail.com'; Jun Bi; Guang Yao; pyegani@gmail.com
Subject: RE: New charter of YMCA

I love the name YMCA.  However you might want to check with IETF legal on t=
rademark issues with the YMCA<http://www.ymca.net/> (located in the US).  A=
 quick scan shows no other WG names matching to well-known institutions.  M=
ore thoughts in line.

From: Supa, October 15, 2014 11:15 AM
Dear Benoit, Parviz, Eric, Andrew et al,

Luis, Ying, Georgios and I sat together today, came out with the following =
new charter, hoping to accomadate the comments received these days.

Juergen said we really need a better name, so Luis suggested YMCA.

-------------
Yang Models for Configuration and topology Abstraction (YMCA) charter

<Eric> Configuration and Topology is an arbitrary grouping of overlapping d=
omains.  Per the meeting with Benoit, I can imagine the topology people for=
 each protocol wanting to own much of their own abstractions.  (Because a t=
opology is really a function of the protocol - i.e., the protocol is defini=
ng what is important about specific adjacencies at L1, L2, L3, etc.)

But perhaps the two term together "Topology Abstraction" could allow the pu=
lling together of something generic across those protocols which might be i=
nteresting.  Specifically, how can you interact with an aggregate set of de=
vices which have a relationship, and where the northbound applications don'=
t care about the identity of specific devices.  Instead the applications wa=
nt to config or monitor aggregate sets.  Some of this concept is certainly =
embodied in the text below.   Perhaps it could be teased out more?  More be=
low...

Description of Working Group:

As the underlying network infrastructure grows, and new services/traffic ar=
e rapidly increased, it becomes significantly more challenging than in the =
past to maintain the network and deploy new services. Programmatic ways to =
configure and operate networks, often called software-defined, are consider=
ed by many network operators in order to provide significant benefits in de=
ployment agility. Yang Models for Configuration and topology Abstraction (Y=
MCA) attempts to achieve this configuration automation by introducing multi=
-level and multi-technology network abstractions. It plans to create YANG m=
odel of general network topology and YANG model of application-specific con=
figuration to provide topology information as applications expect and map n=
etwork-wide configuration/topology into individual device-recognized config=
uration. As a result, standardized interfaces between applications and netw=
ork controllers of all types domains could be established and automatic and=
 programmable configuration can be achieved based on these interfaces. Alth=
ough several organizations outside and inside of the IETF have defined vari=
ous schemes for the configuration of network devices and specific network c=
ontrollers, none of them offer a vendor-neutral and technology-wide (i.e., =
L0 to L7) standardized way for applications to transmit their needs to cont=
rollers.

The main goal of YMCA is to provide Yang models of vendor neutral service s=
pecific abstractions for the VPN and Inter-DCs traffic steering and tunneli=
ng network services,
<Eric> VPN, traffic steering, and tunneling are not particularly interestin=
g to me.  I am sure they are for others.  Let me take some time to think ab=
out the abstractions I would think are interesting.  Dynamic NfV configurat=
ion comes to mind, but I haven't thought through the details.

which allow applications to request these network services from network con=
trollers of all types, e.g., single or multiple controllers, or Network Ele=
ment based controllers, to be quickly and dynamically created/deleted/modif=
ied, using mechanisms for exchanging information to and from the NEs.
<Eric>  Note: I think you run into IETF issues if you claim that the domain=
 is for 'traditional' controllers Northbound.  Instead the abstractions cou=
ld be also provided from Network Elements based controllers which represent=
 an access point to a domain of devices.  By emphasizing this, you have les=
s chance of people wondering why the IETF should care.

Work items for YMCA include:
1) Yang Models of views of L0-L7 Network topology with bi-directional and u=
ni-directional links
<Eric> IMHO, if you are trying to enforce bindings between layers, this wil=
l prove very difficult.  If you are trying to define fields which are commo=
n for each Northbound abstraction from L0-L7, that could be interesting.

2) Using Yang Models defined in 1), map Service Specific Yang Models of VPN=
 and DDC virtual links Network Configuration to NE Specific configuration o=
f Tunnel Policy and Traffic Steering Policy
3) Specify how NEs can interact with each other locally, or with remote net=
work controllers (e.g., exchange configuration information, status, etc)
<Eric> Yes, I like this one ;-)

Eric

Deliverables:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
o) Produce an informational RFC "Problem Statement".
o) Produce a standards-track RFC that specifies YANG models of different vi=
ews of L0-L7 Network topology
o) Produce standards-track RFCs that specify extensions for the generic YAN=
G models defined above for VPN and Inter-DCs traffic steering and tunneling=
 network services
o) Produce an informational RFC that provides the guidelines for mechanisms=
 that can map the Service Specific Yang Models of VPN and DDC virtual links=
 Network Configuration to NE Specific configuration of Tunnel Policy and Tr=
affic Steering Policy.
o) Produce a standards-track RFCs that specify how NEs can interact with lo=
cal or remote network controllers (e.g., exchange configuration information=
, status, etc)

Milestones:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Mar 2015  Initial "Problem Statement" WG I-D
May 2015  Initial "L0-L7 network topology view YANG Model" WG I-D
Jul 2015  Initial "VPN service specific data model" WG I-D
Jul 2015  Initial "Inter-DC service specific data model" WG I-D
Aug 2015  Initial "Mapping Guidelines" WG I-D
Oct 2015  Initial "NE to/from Controllers information exchange" WG I-D
Sep 2015  Submit "Problem Statement" I-D to IESG
Dec 2015  Submit "L0-L7 network topology view YANG Model" I-D to IESG
Feb 2016  Submit "VPN service specific data model " I-D to IESG
Feb 2016  Submit "Inter-DC service specific data model " I-D to IESG
May 2016  Submit "Mapping Guidelines" I-D to IESG
May 2016 Submit "NE to/from Controllers information exchange" I-D to IESG
-----------------


Thank you,
Tina


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<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Resending as I am not =
sure it really left by outbox&#8230;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> Eric Voi=
t, October 17, 2014 11:40 AM<br>
<b>To:</b> 'Tina TSOU'; supa@ietf.org<br>
<b>Cc:</b> chengying10@chinaunicom.cn; LUIS MIGUEL CONTRERAS MURILLO; 'Lius=
hucheng (Will)'; sunqiong; xiechf; Kostas Pentikousis; andrew.qu@mediatek.c=
om; JF Tremblay; 'adel.ietf@gmail.com'; Jun Bi; Guang Yao; pyegani@gmail.co=
m<br>
<b>Subject:</b> RE: New charter of YMCA<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"color:#00B050">I love the name YMCA.&=
nbsp; However you might want to check with IETF legal on trademark issues w=
ith the
</span><span style=3D"color:#1F497D"><a href=3D"http://www.ymca.net/">YMCA<=
/a> </span>
<span style=3D"color:#00B050">(located in the US).&nbsp; A quick scan shows=
 no other WG names matching to well-known institutions.&nbsp; More thoughts=
 in line.</span><span style=3D"color:#1F497D"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in =
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<div>
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t-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:<=
/span></b><span style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&q=
uot;sans-serif&quot;"> Supa, October 15, 2014 11:15 AM<o:p></o:p></span></p=
>
</div>
</div>
<p class=3D"MsoNormal">Dear Benoit, Parviz, Eric, Andrew et al,<o:p></o:p><=
/p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Luis, Ying, Georgios and I sat together today, came =
out with the following new charter, hoping to accomadate the comments recei=
ved these days.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Juergen said we really need a better name, so Luis s=
uggested YMCA.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">-------------<o:p></o:p></p>
<p class=3D"MsoNormal">Yang Models for Configuration and topology Abstracti=
on (YMCA) charter<o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"color:#00B050"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#00B050">&lt;Eric&gt; Configura=
tion and Topology is an arbitrary grouping of overlapping domains.&nbsp; Pe=
r the meeting with Benoit, I can imagine the topology people for each proto=
col wanting to own much of their own abstractions.&nbsp;
 (Because a topology is really a function of the protocol &#8211; i.e., the=
 protocol is defining what is important about specific adjacencies at L1, L=
2, L3, etc.)<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#00B050"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#00B050">But perhaps the two te=
rm together &#8220;Topology Abstraction&#8221; could allow the pulling toge=
ther of something generic across those protocols which might be interesting=
.&nbsp; Specifically, how can you interact with an aggregate
 set of devices which have a relationship, and where the northbound applica=
tions don&#8217;t care about the identity of specific devices.&nbsp; Instea=
d the applications want to config or monitor aggregate sets.&nbsp; Some of =
this concept is certainly embodied in the text below.&nbsp;&nbsp;
 Perhaps it could be teased out more?&nbsp; More below&#8230;<o:p></o:p></s=
pan></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Description of Working Group:<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">As the underlying network infrastructure grows, and =
new services/traffic are rapidly increased, it becomes significantly more c=
hallenging than in the past to maintain the network and deploy new services=
. Programmatic ways to configure and
 operate networks, often called software-defined, are considered by many ne=
twork operators in order to provide significant benefits in deployment agil=
ity. Yang Models for Configuration and topology Abstraction (YMCA) attempts=
 to achieve this configuration automation
 by introducing multi-level and multi-technology network abstractions. It p=
lans to create YANG model of general network topology and YANG model of app=
lication-specific configuration to provide topology information as applicat=
ions expect and map network-wide
 configuration/topology into individual device-recognized configuration. As=
 a result, standardized interfaces between applications and network
<s><span style=3D"color:#00B050">controllers of all types </span></s><span =
style=3D"color:#00B050">domains
</span>could be established and automatic and programmable configuration ca=
n be achieved based on these interfaces. Although several organizations out=
side and inside of the IETF have defined various schemes for the configurat=
ion of network devices and specific
 network controllers, none of them offer a vendor-neutral and technology-wi=
de (i.e., L0 to L7) standardized way for applications to transmit their nee=
ds to controllers.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">The main goal of YMCA is to provide Yang models of v=
endor neutral service specific abstractions for the VPN and Inter-DCs traff=
ic steering and tunneling network services,
<span style=3D"color:#1F497D"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#00B050">&lt;Eric&gt; VPN, traf=
fic steering, and tunneling are not particularly interesting to me.&nbsp; I=
 am sure they are for others.&nbsp; Let me take some time to think about th=
e abstractions I would think are interesting.&nbsp; Dynamic
 NfV configuration comes to mind, but I haven&#8217;t thought through the d=
etails.</span><span style=3D"color:#1F497D"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal">which allow applications to request these network se=
rvices from network controllers of all types, e.g., single or multiple cont=
rollers<span style=3D"color:#1F497D">,
</span><span style=3D"color:#00B050">or Network Element based controllers</=
span>, to be quickly and dynamically created/deleted/modified, using mechan=
isms for exchanging information to and from the NEs.&nbsp;
<o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"color:#00B050">&lt;Eric&gt;&nbsp; Not=
e: I think you run into IETF issues if you claim that the domain is for &#8=
216;traditional&#8217; controllers Northbound.&nbsp; Instead the abstractio=
ns could be also provided from Network Elements based controllers
 which represent an access point to a domain of devices.&nbsp; By emphasizi=
ng this, you have less chance of people wondering why the IETF should care.=
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Work items for YMCA include:<o:p></o:p></p>
<p class=3D"MsoNormal">1) Yang Models of views of L0-L7 Network topology wi=
th bi-directional and uni-directional links<o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"color:#00B050">&lt;Eric&gt; IMHO, if =
you are trying to enforce bindings between layers, this will prove very dif=
ficult.&nbsp; If you are trying to define fields which are common for each =
Northbound abstraction from L0-L7, that could be
 interesting.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal">2) Using Yang Models defined in 1), map Service Spec=
ific Yang Models of VPN and DDC virtual links Network Configuration to NE S=
pecific configuration of Tunnel Policy and Traffic Steering Policy<o:p></o:=
p></p>
<p class=3D"MsoNormal">3) Specify how NEs can interact with <span style=3D"=
color:#00B050">
each other locally, or with</span> remote network controllers (e.g., exchan=
ge configuration information, status, etc)<o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"color:#00B050">&lt;Eric&gt; Yes, I li=
ke this one ;-)<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#00B050"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#00B050">Eric<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Deliverables:<o:p></o:p></p>
<p class=3D"MsoNormal">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></=
p>
<p class=3D"MsoNormal">o) Produce an informational RFC &quot;Problem Statem=
ent&quot;.<o:p></o:p></p>
<p class=3D"MsoNormal">o) Produce a standards-track RFC that specifies YANG=
 models of different views of L0-L7 Network topology<o:p></o:p></p>
<p class=3D"MsoNormal">o) Produce standards-track RFCs that specify extensi=
ons for the generic YANG models defined above for VPN and Inter-DCs traffic=
 steering and tunneling network services
<o:p></o:p></p>
<p class=3D"MsoNormal">o) Produce an informational RFC that provides the gu=
idelines for mechanisms that can map the Service Specific Yang Models of VP=
N and DDC virtual links Network Configuration to NE Specific configuration =
of Tunnel Policy and Traffic Steering
 Policy.<o:p></o:p></p>
<p class=3D"MsoNormal">o) Produce a standards-track RFCs that specify how N=
Es can interact with local or remote network controllers (e.g., exchange co=
nfiguration information, status, etc)<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Milestones:<o:p></o:p></p>
<p class=3D"MsoNormal">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></p>
<p class=3D"MsoNormal">Mar 2015&nbsp; Initial &quot;Problem Statement&quot;=
 WG I-D<o:p></o:p></p>
<p class=3D"MsoNormal">May 2015&nbsp; Initial &quot;L0-L7 network topology =
view YANG Model&quot; WG I-D<o:p></o:p></p>
<p class=3D"MsoNormal">Jul 2015&nbsp; Initial &#8220;VPN service specific d=
ata model&#8221; WG I-D<o:p></o:p></p>
<p class=3D"MsoNormal">Jul 2015&nbsp; Initial &#8220;Inter-DC service speci=
fic data model&#8221; WG I-D
<o:p></o:p></p>
<p class=3D"MsoNormal">Aug 2015&nbsp; Initial &quot;Mapping Guidelines&quot=
; WG I-D<o:p></o:p></p>
<p class=3D"MsoNormal">Oct 2015&nbsp; Initial &quot;NE to/from Controllers =
information exchange&quot; WG I-D<o:p></o:p></p>
<p class=3D"MsoNormal">Sep 2015&nbsp; Submit &quot;Problem Statement&quot; =
I-D to IESG<o:p></o:p></p>
<p class=3D"MsoNormal">Dec 2015&nbsp; Submit &quot;L0-L7 network topology v=
iew YANG Model&quot; I-D to IESG<o:p></o:p></p>
<p class=3D"MsoNormal">Feb 2016&nbsp; Submit &#8220;VPN service specific da=
ta model &quot; I-D to IESG<o:p></o:p></p>
<p class=3D"MsoNormal">Feb 2016&nbsp; Submit &#8220;Inter-DC service specif=
ic data model &#8220; I-D to IESG<o:p></o:p></p>
<p class=3D"MsoNormal">May 2016&nbsp; Submit &quot;Mapping Guidelines&quot;=
 I-D to IESG<o:p></o:p></p>
<p class=3D"MsoNormal">May 2016 Submit &quot;NE to/from Controllers informa=
tion exchange&quot; I-D to IESG<o:p></o:p></p>
<p class=3D"MsoNormal">----------------- <o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Thank you,<o:p></o:p></p>
<p class=3D"MsoNormal">Tina<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
</div>
</div>
</body>
</html>

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From: "Eric Voit (evoit)" <evoit@cisco.com>
To: Tina TSOU <Tina.Tsou.Zouting@huawei.com>, "supa@ietf.org" <supa@ietf.org>
Thread-Topic: New charter of YMCA
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Subject: Re: [Supa] New charter of YMCA
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I love the name YMCA.  However you might want to check with IETF legal on t=
rademark issues with the YMCA<http://www.ymca.net/> (located in the US).  A=
 quick scan shows no other WG names matching to well-known institutions.  M=
ore thoughts in line.

From: Supa, October 15, 2014 11:15 AM

Dear Benoit, Parviz, Eric, Andrew et al,

Luis, Ying, Georgios and I sat together today, came out with the following =
new charter, hoping to accomadate the comments received these days.

Juergen said we really need a better name, so Luis suggested YMCA.

-------------
Yang Models for Configuration and topology Abstraction (YMCA) charter

<Eric> Configuration and Topology is an arbitrary grouping of overlapping d=
omains.  Per the meeting with Benoit, I can imagine the topology people for=
 each protocol wanting to own much of their own abstractions.  (Because a t=
opology is really a function of the protocol - i.e., the protocol is defini=
ng what is important about specific adjacencies at L1, L2, L3, etc.)

But perhaps the two term together "Topology Abstraction" could allow the pu=
lling together of something generic across those protocols which might be i=
nteresting.  Specifically, how can you interact with an aggregate set of de=
vices which have a relationship, and where the northbound applications don'=
t care about the identity of specific devices.  Instead the applications wa=
nt to config or monitor aggregate sets.  Some of this concept is certainly =
embodied in the text below.   Perhaps it could be teased out more?  More be=
low...

Description of Working Group:

As the underlying network infrastructure grows, and new services/traffic ar=
e rapidly increased, it becomes significantly more challenging than in the =
past to maintain the network and deploy new services. Programmatic ways to =
configure and operate networks, often called software-defined, are consider=
ed by many network operators in order to provide significant benefits in de=
ployment agility. Yang Models for Configuration and topology Abstraction (Y=
MCA) attempts to achieve this configuration automation by introducing multi=
-level and multi-technology network abstractions. It plans to create YANG m=
odel of general network topology and YANG model of application-specific con=
figuration to provide topology information as applications expect and map n=
etwork-wide configuration/topology into individual device-recognized config=
uration. As a result, standardized interfaces between applications and netw=
ork controllers of all types domains could be established and automatic and=
 programmable configuration can be achieved based on these interfaces. Alth=
ough several organizations outside and inside of the IETF have defined vari=
ous schemes for the configuration of network devices and specific network c=
ontrollers, none of them offer a vendor-neutral and technology-wide (i.e., =
L0 to L7) standardized way for applications to transmit their needs to cont=
rollers.

The main goal of YMCA is to provide Yang models of vendor neutral service s=
pecific abstractions for the VPN and Inter-DCs traffic steering and tunneli=
ng network services,
<Eric> VPN, traffic steering, and tunneling are not particularly interestin=
g to me.  I am sure they are for others.  Let me take some time to think ab=
out the abstractions I would think are interesting.  Dynamic NfV configurat=
ion comes to mind, but I haven't thought through the details.

which allow applications to request these network services from network con=
trollers of all types, e.g., single or multiple controllers, or Network Ele=
ment based controllers, to be quickly and dynamically created/deleted/modif=
ied, using mechanisms for exchanging information to and from the NEs.
<Eric>  Note: I think you run into IETF issues if you claim that the domain=
 is for 'traditional' controllers Northbound.  Instead the abstractions cou=
ld be also provided from Network Elements based controllers which represent=
 an access point to a domain of devices.  By emphasizing this, you have les=
s chance of people wondering why the IETF should care.

Work items for YMCA include:
1) Yang Models of views of L0-L7 Network topology with bi-directional and u=
ni-directional links
<Eric> IMHO, if you are trying to enforce bindings between layers, this wil=
l prove very difficult.  If you are trying to define fields which are commo=
n for each Northbound abstraction from L0-L7, that could be interesting.

2) Using Yang Models defined in 1), map Service Specific Yang Models of VPN=
 and DDC virtual links Network Configuration to NE Specific configuration o=
f Tunnel Policy and Traffic Steering Policy
3) Specify how NEs can interact with each other locally, or with remote net=
work controllers (e.g., exchange configuration information, status, etc)
<Eric> Yes, I like this one ;-)

Eric

Deliverables:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
o) Produce an informational RFC "Problem Statement".
o) Produce a standards-track RFC that specifies YANG models of different vi=
ews of L0-L7 Network topology
o) Produce standards-track RFCs that specify extensions for the generic YAN=
G models defined above for VPN and Inter-DCs traffic steering and tunneling=
 network services
o) Produce an informational RFC that provides the guidelines for mechanisms=
 that can map the Service Specific Yang Models of VPN and DDC virtual links=
 Network Configuration to NE Specific configuration of Tunnel Policy and Tr=
affic Steering Policy.
o) Produce a standards-track RFCs that specify how NEs can interact with lo=
cal or remote network controllers (e.g., exchange configuration information=
, status, etc)

Milestones:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Mar 2015  Initial "Problem Statement" WG I-D
May 2015  Initial "L0-L7 network topology view YANG Model" WG I-D
Jul 2015  Initial "VPN service specific data model" WG I-D
Jul 2015  Initial "Inter-DC service specific data model" WG I-D
Aug 2015  Initial "Mapping Guidelines" WG I-D
Oct 2015  Initial "NE to/from Controllers information exchange" WG I-D
Sep 2015  Submit "Problem Statement" I-D to IESG
Dec 2015  Submit "L0-L7 network topology view YANG Model" I-D to IESG
Feb 2016  Submit "VPN service specific data model " I-D to IESG
Feb 2016  Submit "Inter-DC service specific data model " I-D to IESG
May 2016  Submit "Mapping Guidelines" I-D to IESG
May 2016 Submit "NE to/from Controllers information exchange" I-D to IESG
-----------------


Thank you,
Tina


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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"color:#00B050">I love the name YMCA.&=
nbsp; However you might want to check with IETF legal on trademark issues w=
ith the
</span><span style=3D"color:#1F497D"><a href=3D"http://www.ymca.net/">YMCA<=
/a> </span>
<span style=3D"color:#00B050">(located in the US).&nbsp; A quick scan shows=
 no other WG names matching to well-known institutions.&nbsp; More thoughts=
 in line.</span><span style=3D"color:#1F497D"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> Supa, Oc=
tober 15, 2014 11:15 AM<br>
<br>
<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal">Dear Benoit, Parviz, Eric, Andrew et al,<o:p></o:p><=
/p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Luis, Ying, Georgios and I sat together today, came =
out with the following new charter, hoping to accomadate the comments recei=
ved these days.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Juergen said we really need a better name, so Luis s=
uggested YMCA.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">-------------<o:p></o:p></p>
<p class=3D"MsoNormal">Yang Models for Configuration and topology Abstracti=
on (YMCA) charter<o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"color:#00B050"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#00B050">&lt;Eric&gt; Configura=
tion and Topology is an arbitrary grouping of overlapping domains.&nbsp; Pe=
r the meeting with Benoit, I can imagine the topology people for each proto=
col wanting to own much of their own abstractions.&nbsp;
 (Because a topology is really a function of the protocol &#8211; i.e., the=
 protocol is defining what is important about specific adjacencies at L1, L=
2, L3, etc.)<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#00B050"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#00B050">But perhaps the two te=
rm together &#8220;Topology Abstraction&#8221; could allow the pulling toge=
ther of something generic across those protocols which might be interesting=
.&nbsp; Specifically, how can you interact with an aggregate
 set of devices which have a relationship, and where the northbound applica=
tions don&#8217;t care about the identity of specific devices.&nbsp; Instea=
d the applications want to config or monitor aggregate sets.&nbsp; Some of =
this concept is certainly embodied in the text below.&nbsp;&nbsp;
 Perhaps it could be teased out more?&nbsp; More below&#8230;<o:p></o:p></s=
pan></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Description of Working Group:<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">As the underlying network infrastructure grows, and =
new services/traffic are rapidly increased, it becomes significantly more c=
hallenging than in the past to maintain the network and deploy new services=
. Programmatic ways to configure and
 operate networks, often called software-defined, are considered by many ne=
twork operators in order to provide significant benefits in deployment agil=
ity. Yang Models for Configuration and topology Abstraction (YMCA) attempts=
 to achieve this configuration automation
 by introducing multi-level and multi-technology network abstractions. It p=
lans to create YANG model of general network topology and YANG model of app=
lication-specific configuration to provide topology information as applicat=
ions expect and map network-wide
 configuration/topology into individual device-recognized configuration. As=
 a result, standardized interfaces between applications and network
<s><span style=3D"color:#00B050">controllers of all types </span></s><span =
style=3D"color:#00B050">domains
</span>could be established and automatic and programmable configuration ca=
n be achieved based on these interfaces. Although several organizations out=
side and inside of the IETF have defined various schemes for the configurat=
ion of network devices and specific
 network controllers, none of them offer a vendor-neutral and technology-wi=
de (i.e., L0 to L7) standardized way for applications to transmit their nee=
ds to controllers.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">The main goal of YMCA is to provide Yang models of v=
endor neutral service specific abstractions for the VPN and Inter-DCs traff=
ic steering and tunneling network services,
<span style=3D"color:#1F497D"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#00B050">&lt;Eric&gt; VPN, traf=
fic steering, and tunneling are not particularly interesting to me.&nbsp; I=
 am sure they are for others.&nbsp; Let me take some time to think about th=
e abstractions I would think are interesting.&nbsp; Dynamic
 NfV configuration comes to mind, but I haven&#8217;t thought through the d=
etails.</span><span style=3D"color:#1F497D"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal">which allow applications to request these network se=
rvices from network controllers of all types, e.g., single or multiple cont=
rollers<span style=3D"color:#1F497D">,
</span><span style=3D"color:#00B050">or Network Element based controllers</=
span>, to be quickly and dynamically created/deleted/modified, using mechan=
isms for exchanging information to and from the NEs.&nbsp;
<o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"color:#00B050">&lt;Eric&gt;&nbsp; Not=
e: I think you run into IETF issues if you claim that the domain is for &#8=
216;traditional&#8217; controllers Northbound.&nbsp; Instead the abstractio=
ns could be also provided from Network Elements based controllers
 which represent an access point to a domain of devices.&nbsp; By emphasizi=
ng this, you have less chance of people wondering why the IETF should care.=
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Work items for YMCA include:<o:p></o:p></p>
<p class=3D"MsoNormal">1) Yang Models of views of L0-L7 Network topology wi=
th bi-directional and uni-directional links<o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"color:#00B050">&lt;Eric&gt; IMHO, if =
you are trying to enforce bindings between layers, this will prove very dif=
ficult.&nbsp; If you are trying to define fields which are common for each =
Northbound abstraction from L0-L7, that could be
 interesting.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal">2) Using Yang Models defined in 1), map Service Spec=
ific Yang Models of VPN and DDC virtual links Network Configuration to NE S=
pecific configuration of Tunnel Policy and Traffic Steering Policy<o:p></o:=
p></p>
<p class=3D"MsoNormal">3) Specify how NEs can interact with <span style=3D"=
color:#00B050">
each other locally, or with</span> remote network controllers (e.g., exchan=
ge configuration information, status, etc)<o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"color:#00B050">&lt;Eric&gt; Yes, I li=
ke this one ;-)<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#00B050"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#00B050">Eric<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Deliverables:<o:p></o:p></p>
<p class=3D"MsoNormal">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></=
p>
<p class=3D"MsoNormal">o) Produce an informational RFC &quot;Problem Statem=
ent&quot;.<o:p></o:p></p>
<p class=3D"MsoNormal">o) Produce a standards-track RFC that specifies YANG=
 models of different views of L0-L7 Network topology<o:p></o:p></p>
<p class=3D"MsoNormal">o) Produce standards-track RFCs that specify extensi=
ons for the generic YANG models defined above for VPN and Inter-DCs traffic=
 steering and tunneling network services
<o:p></o:p></p>
<p class=3D"MsoNormal">o) Produce an informational RFC that provides the gu=
idelines for mechanisms that can map the Service Specific Yang Models of VP=
N and DDC virtual links Network Configuration to NE Specific configuration =
of Tunnel Policy and Traffic Steering
 Policy.<o:p></o:p></p>
<p class=3D"MsoNormal">o) Produce a standards-track RFCs that specify how N=
Es can interact with local or remote network controllers (e.g., exchange co=
nfiguration information, status, etc)<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Milestones:<o:p></o:p></p>
<p class=3D"MsoNormal">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></p>
<p class=3D"MsoNormal">Mar 2015&nbsp; Initial &quot;Problem Statement&quot;=
 WG I-D<o:p></o:p></p>
<p class=3D"MsoNormal">May 2015&nbsp; Initial &quot;L0-L7 network topology =
view YANG Model&quot; WG I-D<o:p></o:p></p>
<p class=3D"MsoNormal">Jul 2015&nbsp; Initial &#8220;VPN service specific d=
ata model&#8221; WG I-D<o:p></o:p></p>
<p class=3D"MsoNormal">Jul 2015&nbsp; Initial &#8220;Inter-DC service speci=
fic data model&#8221; WG I-D
<o:p></o:p></p>
<p class=3D"MsoNormal">Aug 2015&nbsp; Initial &quot;Mapping Guidelines&quot=
; WG I-D<o:p></o:p></p>
<p class=3D"MsoNormal">Oct 2015&nbsp; Initial &quot;NE to/from Controllers =
information exchange&quot; WG I-D<o:p></o:p></p>
<p class=3D"MsoNormal">Sep 2015&nbsp; Submit &quot;Problem Statement&quot; =
I-D to IESG<o:p></o:p></p>
<p class=3D"MsoNormal">Dec 2015&nbsp; Submit &quot;L0-L7 network topology v=
iew YANG Model&quot; I-D to IESG<o:p></o:p></p>
<p class=3D"MsoNormal">Feb 2016&nbsp; Submit &#8220;VPN service specific da=
ta model &quot; I-D to IESG<o:p></o:p></p>
<p class=3D"MsoNormal">Feb 2016&nbsp; Submit &#8220;Inter-DC service specif=
ic data model &#8220; I-D to IESG<o:p></o:p></p>
<p class=3D"MsoNormal">May 2016&nbsp; Submit &quot;Mapping Guidelines&quot;=
 I-D to IESG<o:p></o:p></p>
<p class=3D"MsoNormal">May 2016 Submit &quot;NE to/from Controllers informa=
tion exchange&quot; I-D to IESG<o:p></o:p></p>
<p class=3D"MsoNormal">----------------- <o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Thank you,<o:p></o:p></p>
<p class=3D"MsoNormal">Tina<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
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--=====003_Dragon534446058223_=====--


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From: "Liushucheng (Will)" <liushucheng@huawei.com>
To: "supa@ietf.org" <supa@ietf.org>
Thread-Topic: Side meeting doodle
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Hi all,

I've set up a doodle to collect your opinions on the side meeting time slot=
. The choices are 1900-2030 and 2000-2130 from Monday to Thursday. Please l=
et me know if you prefer other slots.
http://doodle.com/xnw9wkdi9d4reui7
(Please note that I enabled the *time zone* function for those guys who wil=
l participate remotely. Please set your time zone to Hawaii if you're flyin=
g there.)

Regards,
Will
---------------------------------------------------------------------------=
--------
Shucheng LIU (Will), Ph.D.
Researcher & Standard Representative
Huawei Technologies Co.,Ltd
liushucheng@huawei.com<mailto:liushucheng@huawei.com>
http://www.linkedin.com/in/shucheng
---------------------------------------------------------------------------=
--------


--_000_C9B5F12337F6F841B35C404CF0554ACB5FFA953DSZXEMA509MBSchi_
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<p class=3D"MsoNormal"><span lang=3D"EN-US">Hi all,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">I&#8217;ve set up a doodle to c=
ollect your opinions on the side meeting time slot. The choices are 1900-20=
30 and 2000-2130 from Monday to Thursday. Please let me know if you prefer =
other slots.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><a href=3D"http://doodle.com/xn=
w9wkdi9d4reui7">http://doodle.com/xnw9wkdi9d4reui7</a><o:p></o:p></span></p=
>
<p class=3D"MsoNormal"><span lang=3D"EN-US">(Please note that I enabled the=
 *<b>time zone</b>* function for those guys who will participate remotely. =
Please set your time zone to Hawaii if you&#8217;re flying there.)<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Regards,</span><span lang=3D"EN=
-US" style=3D"font-size:11.0pt"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Will<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">-------------------------------=
----------------------------------------------------<o:p></o:p></span></p>
<p class=3D"MsoNormal"><i><span lang=3D"EN-US">Shucheng LIU (Will), Ph.D.<o=
:p></o:p></span></i></p>
<p class=3D"MsoNormal"><i><span lang=3D"EN-US">Researcher &amp; Standard Re=
presentative <o:p>
</o:p></span></i></p>
<p class=3D"MsoNormal"><i><span lang=3D"DE">Huawei Technologies Co.,Ltd<o:p=
></o:p></span></i></p>
<p class=3D"MsoNormal"><i><span lang=3D"EN-US"><a href=3D"mailto:liushuchen=
g@huawei.com"><span lang=3D"DE" style=3D"color:blue">liushucheng@huawei.com=
</span></a></span></i><i><span lang=3D"DE"><o:p></o:p></span></i></p>
<p class=3D"MsoNormal"><i><span lang=3D"EN-US"><a href=3D"http://www.linked=
in.com/in/shucheng"><span lang=3D"DE" style=3D"color:blue">http://www.linke=
din.com/in/shucheng</span></a></span></i><i><span lang=3D"DE"><o:p></o:p></=
span></i></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">-------------------------------=
----------------------------------------------------<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
</body>
</html>

--_000_C9B5F12337F6F841B35C404CF0554ACB5FFA953DSZXEMA509MBSchi_--


From nobody Tue Oct 21 02:27:41 2014
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Date: Tue, 21 Oct 2014 11:27:19 +0200
From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
To: "Liushucheng (Will)" <liushucheng@huawei.com>
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Subject: Re: [Supa] Side meeting doodle
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Hi,

I see the dates October 21-24 in the doodle poll but the IETF meeting
in Honolulu is November 09-14 and the doodle poll says " IETF Meeting
Hotel (room number TBD)". So I am confused.

/js

On Tue, Oct 21, 2014 at 09:02:32AM +0000, Liushucheng (Will) wrote:
> Hi all,
> 
> I've set up a doodle to collect your opinions on the side meeting time slot. The choices are 1900-2030 and 2000-2130 from Monday to Thursday. Please let me know if you prefer other slots.
> http://doodle.com/xnw9wkdi9d4reui7
> (Please note that I enabled the *time zone* function for those guys who will participate remotely. Please set your time zone to Hawaii if you're flying there.)
> 
> Regards,
> Will
> -----------------------------------------------------------------------------------
> Shucheng LIU (Will), Ph.D.
> Researcher & Standard Representative
> Huawei Technologies Co.,Ltd
> liushucheng@huawei.com<mailto:liushucheng@huawei.com>
> http://www.linkedin.com/in/shucheng
> -----------------------------------------------------------------------------------
> 

> _______________________________________________
> Supa mailing list
> Supa@ietf.org
> https://www.ietf.org/mailman/listinfo/supa


-- 
Juergen Schoenwaelder           Jacobs University Bremen gGmbH
Phone: +49 421 200 3587         Campus Ring 1, 28759 Bremen, Germany
Fax:   +49 421 200 3103         <http://www.jacobs-university.de/>


From nobody Tue Oct 21 02:37:33 2014
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From: "Liushucheng (Will)" <liushucheng@huawei.com>
To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
Thread-Topic: [Supa] Side meeting doodle
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Fixed. Thank you.

Regards,
Will=20

> -----Original Message-----
> From: Juergen Schoenwaelder
> [mailto:j.schoenwaelder@jacobs-university.de]
> Sent: Tuesday, October 21, 2014 5:27 PM
> To: Liushucheng (Will)
> Cc: supa@ietf.org
> Subject: Re: [Supa] Side meeting doodle
>=20
> Hi,
>=20
> I see the dates October 21-24 in the doodle poll but the IETF meeting in
> Honolulu is November 09-14 and the doodle poll says " IETF Meeting Hotel
> (room number TBD)". So I am confused.
>=20
> /js
>=20
> On Tue, Oct 21, 2014 at 09:02:32AM +0000, Liushucheng (Will) wrote:
> > Hi all,
> >
> > I've set up a doodle to collect your opinions on the side meeting time =
slot.
> The choices are 1900-2030 and 2000-2130 from Monday to Thursday. Please
> let me know if you prefer other slots.
> > http://doodle.com/xnw9wkdi9d4reui7
> > (Please note that I enabled the *time zone* function for those guys
> > who will participate remotely. Please set your time zone to Hawaii if
> > you're flying there.)
> >
> > Regards,
> > Will
> > ----------------------------------------------------------------------
> > -------------
> > Shucheng LIU (Will), Ph.D.
> > Researcher & Standard Representative
> > Huawei Technologies Co.,Ltd
> > liushucheng@huawei.com<mailto:liushucheng@huawei.com>
> > http://www.linkedin.com/in/shucheng
> > ----------------------------------------------------------------------
> > -------------
> >
>=20
> > _______________________________________________
> > Supa mailing list
> > Supa@ietf.org
> > https://www.ietf.org/mailman/listinfo/supa
>=20
>=20
> --
> Juergen Schoenwaelder           Jacobs University Bremen gGmbH
> Phone: +49 421 200 3587         Campus Ring 1, 28759 Bremen,
> Germany
> Fax:   +49 421 200 3103         <http://www.jacobs-university.de/>


From nobody Tue Oct 21 06:42:06 2014
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From: "Jun Bi" <junbi@tsinghua.edu.cn>
To: "'Liushucheng \(Will\)'" <liushucheng@huawei.com>, "'Juergen Schoenwaelder'" <j.schoenwaelder@jacobs-university.de>
References: <C9B5F12337F6F841B35C404CF0554ACB5FFA953D@SZXEMA509-MBS.china.huawei.com> <20141021092717.GA90345@elstar.local> <C9B5F12337F6F841B35C404CF0554ACB5FFA9593@SZXEMA509-MBS.china.huawei.com>
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Date: Tue, 21 Oct 2014 09:41:29 -0400
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Subject: Re: [Supa] Side meeting doodle
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I just input at doodle, all time slots are fine for me.

Thanks,
Jun

-----Original Message-----
From: supa-bounces@ietf.org [mailto:supa-bounces@ietf.org] On Behalf Of
Liushucheng (Will)
Sent: Tuesday, October 21, 2014 5:35 AM
To: Juergen Schoenwaelder
Cc: supa@ietf.org
Subject: Re: [Supa] Side meeting doodle

Fixed. Thank you.

Regards,
Will 

> -----Original Message-----
> From: Juergen Schoenwaelder
> [mailto:j.schoenwaelder@jacobs-university.de]
> Sent: Tuesday, October 21, 2014 5:27 PM
> To: Liushucheng (Will)
> Cc: supa@ietf.org
> Subject: Re: [Supa] Side meeting doodle
> 
> Hi,
> 
> I see the dates October 21-24 in the doodle poll but the IETF meeting 
> in Honolulu is November 09-14 and the doodle poll says " IETF Meeting 
> Hotel (room number TBD)". So I am confused.
> 
> /js
> 
> On Tue, Oct 21, 2014 at 09:02:32AM +0000, Liushucheng (Will) wrote:
> > Hi all,
> >
> > I've set up a doodle to collect your opinions on the side meeting time
slot.
> The choices are 1900-2030 and 2000-2130 from Monday to Thursday. 
> Please let me know if you prefer other slots.
> > http://doodle.com/xnw9wkdi9d4reui7
> > (Please note that I enabled the *time zone* function for those guys 
> > who will participate remotely. Please set your time zone to Hawaii 
> > if you're flying there.)
> >
> > Regards,
> > Will
> > --------------------------------------------------------------------
> > --
> > -------------
> > Shucheng LIU (Will), Ph.D.
> > Researcher & Standard Representative Huawei Technologies Co.,Ltd 
> > liushucheng@huawei.com<mailto:liushucheng@huawei.com>
> > http://www.linkedin.com/in/shucheng
> > --------------------------------------------------------------------
> > --
> > -------------
> >
> 
> > _______________________________________________
> > Supa mailing list
> > Supa@ietf.org
> > https://www.ietf.org/mailman/listinfo/supa
> 
> 
> --
> Juergen Schoenwaelder           Jacobs University Bremen gGmbH
> Phone: +49 421 200 3587         Campus Ring 1, 28759 Bremen,
> Germany
> Fax:   +49 421 200 3103         <http://www.jacobs-university.de/>

_______________________________________________
Supa mailing list
Supa@ietf.org
https://www.ietf.org/mailman/listinfo/supa



From nobody Mon Oct 27 05:22:35 2014
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From: "Liushucheng (Will)" <liushucheng@huawei.com>
To: "supa@ietf.org" <supa@ietf.org>
Thread-Topic: issues regarding the updating of configuration draft
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Hi all,

We're updating the configuration model draft according to comments received=
 from Qiong and JF, and the recent discussion on this list.
One issue came to us is should we keep all the existing 4 models in the dra=
ft or only keep the two (L3VPN and IP TE) that confirmed during the online =
discussion? Your thought?

Regards,
Will


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<p class=3D"MsoNormal"><span lang=3D"EN-US">Hi all,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">We&#8217;re updating the config=
uration model draft according to comments received from Qiong and JF, and t=
he recent discussion on this list.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">One issue came to us is should =
we keep all the existing 4 models in the draft or only keep the two (L3VPN =
and IP TE) that confirmed during the online discussion? Your thought?<o:p><=
/o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Regards,</span><span lang=3D"EN=
-US" style=3D"font-size:11.0pt"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Will</span><span lang=3D"EN-US"=
><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
</body>
</html>

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--=====003_Dragon730877614882_=====--


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From nobody Mon Oct 27 09:27:55 2014
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From: "Eric Voit (evoit)" <evoit@cisco.com>
To: "supa@ietf.org" <supa@ietf.org>
Thread-Topic: Cloud SLA YANG Model --> incorporating Peer Mount Semantics
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Date: Mon, 27 Oct 2014 16:27:41 +0000
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Subject: [Supa] Cloud SLA YANG Model --> incorporating Peer Mount Semantics
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Below is a new draft which hits elements of the proposed YMCA/SUPA charter.=
  It is a Domain Abstracted YANG model which incorporates Mount Semantics p=
roposed into Netmod: =20
http://www.ietf.org/internet-drafts/draft-tripathy-cloud-sla-yang-model-00.=
txt

The goal of this YANG model is to expose both Global and Device config in o=
rder to simplify application design for a new class of service offerings.

The services the YANG models support are described in=20
http://www.ietf.org/internet-drafts/draft-voit-netmod-peer-mount-requiremen=
ts-01.txt=20
which I also updated last Friday.

Thanks,
Eric


Eric Voit
Principal Engineer
Core Software Group (CSG)


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Date: Tue, 28 Oct 2014 10:08:18 +0100
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From: "Liushucheng (Will)" <liushucheng@huawei.com>
To: "supa@ietf.org" <supa@ietf.org>
Thread-Topic: Side meeting: 8:00 PM -9:30 PM Monday (Nov 10)
Thread-Index: Ac/zFtQw2U0Dm0vWQLeLh2w9hRFQ8A==
Date: Wed, 29 Oct 2014 01:22:41 +0000
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Subject: [Supa] Side meeting: 8:00 PM -9:30 PM Monday (Nov 10)
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Hi all,

Thank you for your support. According to the doodle, let's set the meeting =
at 8:00 PM -9:30 PM Monday (Nov 10). I will send the room information here =
before the meeting.

Regards,
Will=20

> -----Original Message-----
> From: Supa [mailto:supa-bounces@ietf.org] On Behalf Of Liushucheng (Will)
> Sent: Tuesday, October 21, 2014 5:35 PM
> To: Juergen Schoenwaelder
> Cc: supa@ietf.org
> Subject: Re: [Supa] Side meeting doodle
>=20
> Fixed. Thank you.
>=20
> Regards,
> Will
>=20
> > -----Original Message-----
> > From: Juergen Schoenwaelder
> > [mailto:j.schoenwaelder@jacobs-university.de]
> > Sent: Tuesday, October 21, 2014 5:27 PM
> > To: Liushucheng (Will)
> > Cc: supa@ietf.org
> > Subject: Re: [Supa] Side meeting doodle
> >
> > Hi,
> >
> > I see the dates October 21-24 in the doodle poll but the IETF meeting
> > in Honolulu is November 09-14 and the doodle poll says " IETF Meeting
> > Hotel (room number TBD)". So I am confused.
> >
> > /js
> >
> > On Tue, Oct 21, 2014 at 09:02:32AM +0000, Liushucheng (Will) wrote:
> > > Hi all,
> > >
> > > I've set up a doodle to collect your opinions on the side meeting tim=
e
> slot.
> > The choices are 1900-2030 and 2000-2130 from Monday to Thursday.
> > Please let me know if you prefer other slots.
> > > http://doodle.com/xnw9wkdi9d4reui7
> > > (Please note that I enabled the *time zone* function for those guys
> > > who will participate remotely. Please set your time zone to Hawaii
> > > if you're flying there.)
> > >
> > > Regards,
> > > Will
> > > --------------------------------------------------------------------
> > > --
> > > -------------
> > > Shucheng LIU (Will), Ph.D.
> > > Researcher & Standard Representative Huawei Technologies Co.,Ltd
> > > liushucheng@huawei.com<mailto:liushucheng@huawei.com>
> > > http://www.linkedin.com/in/shucheng
> > > --------------------------------------------------------------------
> > > --
> > > -------------
> > >
> >
> > > _______________________________________________
> > > Supa mailing list
> > > Supa@ietf.org
> > > https://www.ietf.org/mailman/listinfo/supa
> >
> >
> > --
> > Juergen Schoenwaelder           Jacobs University Bremen gGmbH
> > Phone: +49 421 200 3587         Campus Ring 1, 28759 Bremen,
> > Germany
> > Fax:   +49 421 200 3103         <http://www.jacobs-university.de/>
>=20
> _______________________________________________
> Supa mailing list
> Supa@ietf.org
> https://www.ietf.org/mailman/listinfo/supa


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From: Tina TSOU <Tina.Tsou.Zouting@huawei.com>
To: "Eric Voit (evoit)" <evoit@cisco.com>
Thread-Topic: [Supa] Cloud SLA YANG Model --> incorporating Peer Mount Semantics
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Date: Fri, 31 Oct 2014 08:26:30 +0000
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Dear Eric,

The scenario and architecture of draft-tripath, can be used in SUPA archite=
cture. The service specific abstractions can be applied to the same scenari=
o of cloud SLA model.

" This model would reside in a controller or a network element filling the =
role of a controller.  This document does not define the corresponding YANG=
 models for each of the controlled devices. "

The SUPA use case does not include cloud SLA yet.

It seems that you are happy about the current charter text.
You may think about how to update the architecture which Parviz is heavily =
working on. And perhaps also the use case? The cloud SLA yang model could b=
e a standalone one?


Thank you,
Tina

On Oct 27, 2014, at 5:28 PM, Eric Voit (evoit) <evoit@cisco.com<mailto:evoi=
t@cisco.com>> wrote:

Below is a new draft which hits elements of the proposed YMCA/SUPA charter.=
  It is a Domain Abstracted YANG model which incorporates Mount Semantics p=
roposed into Netmod:
http://www.ietf.org/internet-drafts/draft-tripathy-cloud-sla-yang-model-00.=
txt

The goal of this YANG model is to expose both Global and Device config in o=
rder to simplify application design for a new class of service offerings.

The services the YANG models support are described in
http://www.ietf.org/internet-drafts/draft-voit-netmod-peer-mount-requiremen=
ts-01.txt
which I also updated last Friday.

Thanks,
Eric


Eric Voit
Principal Engineer
Core Software Group (CSG)

_______________________________________________
Supa mailing list
Supa@ietf.org<mailto:Supa@ietf.org>
https://www.ietf.org/mailman/listinfo/supa

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<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"=
>
</head>
<body dir=3D"auto">
<div><span style=3D"font-size: 13pt;">Dear Eric,</span></div>
<div><span style=3D"background-color: rgba(255, 255, 255, 0);"><br>
</span></div>
<div><span style=3D"background-color: rgba(255, 255, 255, 0);">The scenario=
 and architecture of draft-tripath, can be used in SUPA architecture. The s=
ervice specific abstractions can be applied to the same scenario of cloud S=
LA model.</span></div>
<div><span style=3D"background-color: rgba(255, 255, 255, 0);"><br>
&quot; This model would reside in a controller or a network element filling=
 the role of a controller. &nbsp;This document does not define the correspo=
nding YANG models for each of the controlled devices. &quot;<br>
<br>
The SUPA use case does not include cloud SLA yet.</span></div>
<div><span style=3D"background-color: rgba(255, 255, 255, 0);"><br>
</span></div>
<div>It seems that you are happy about the current charter text.&nbsp;</div=
>
<div>You may think about how to update the architecture which Parviz is <sp=
an style=3D"background-color: rgba(255, 255, 255, 0);">
heavily&nbsp;</span>working on. And perhaps also the use case? The cloud SL=
A yang model could be a standalone one?</div>
<div><br>
<div><br>
</div>
<div>Thank you,</div>
<div>Tina</div>
</div>
<div><br>
On Oct 27, 2014, at 5:28 PM, Eric Voit (evoit) &lt;<a href=3D"mailto:evoit@=
cisco.com">evoit@cisco.com</a>&gt; wrote:<br>
<br>
</div>
<blockquote type=3D"cite">
<div><span>Below is a new draft which hits elements of the proposed YMCA/SU=
PA charter. &nbsp;It is a Domain Abstracted YANG model which incorporates M=
ount Semantics proposed into Netmod: &nbsp;</span><br>
<span><a href=3D"http://www.ietf.org/internet-drafts/draft-tripathy-cloud-s=
la-yang-model-00.txt">http://www.ietf.org/internet-drafts/draft-tripathy-cl=
oud-sla-yang-model-00.txt</a></span><br>
<span></span><br>
<span>The goal of this YANG model is to expose both Global and Device confi=
g in order to simplify application design for a new class of service offeri=
ngs.</span><br>
<span></span><br>
<span>The services the YANG models support are described in </span><br>
<span><a href=3D"http://www.ietf.org/internet-drafts/draft-voit-netmod-peer=
-mount-requirements-01.txt">http://www.ietf.org/internet-drafts/draft-voit-=
netmod-peer-mount-requirements-01.txt</a>
</span><br>
<span>which I also updated last Friday.</span><br>
<span></span><br>
<span>Thanks,</span><br>
<span>Eric</span><br>
<span></span><br>
<span></span><br>
<span>Eric Voit</span><br>
<span>Principal Engineer</span><br>
<span>Core Software Group (CSG)</span><br>
<span></span><br>
<span>_______________________________________________</span><br>
<span>Supa mailing list</span><br>
<span><a href=3D"mailto:Supa@ietf.org">Supa@ietf.org</a></span><br>
<span><a href=3D"https://www.ietf.org/mailman/listinfo/supa">https://www.ie=
tf.org/mailman/listinfo/supa</a></span><br>
</div>
</blockquote>
</body>
</html>

--_000_7A8FB724BC1C40A4A7C60171DBF9E413huaweicom_--


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From: Tina TSOU <Tina.Tsou.Zouting@huawei.com>
To: "netmod@ietf.org" <netmod@ietf.org>
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