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From: IETF Secretariat <ietf-secretariat@ietf.org>
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Date: Wed, 24 Sep 2014 13:21:05 -0700
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Cc: I2NSF@ietf.org, myo.zarny@gs.com, linda.dunbar@huawei.com
Subject: [I2nsf] New Non-WG Mailing List: I2NSF -- Interface to Network Security Functions mailing list
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A new IETF non-working group email list has been created.

List address: i2nsf@ietf.org
Archive: http://www.ietf.org/mail-archive/web/i2nsf/
To subscribe: https://www.ietf.org/mailman/listinfo/I2NSF

Purpose:

The Interface to Network Security Functions (I2NSF) mailing list is for 
discussing interfaces for clients (especially enterprises) to request, 
negotiate, operate, and/or verify the network security functions that are 
not physically present at requesters’ premises. Those security 
functions, hosted by service providers or 3rd parties, can be instantiated on physical appliances, or as virtual machines instantiated on common compute server (i.e. the Virtualized Network Functions defined by ETSI NFV). 

The Interface to (Virtual) Network Security Functions (I2NSF) initiative 
aims at improving the dynamic allocation and operation of network security 
functions by documenting a global framework that would include 
protocol-based control and management interfaces, along with adequate data 
models. The information required for the provisioning, the configuration 
and the operation of network security functions will be exchanged through 
the said interfaces and protocols. The I2NSF initiative will also take 
into account the need for co-existing with legacy configuration and 
management systems used to allocate and operate network security functions, 
whether they are embedded in network devices or virtualized in data center 
environments, for example. The standard Interface to request, negotiate, 
allocate, and/or operate (virtual) Network Security Functions is one of the 
necessary tools for operators and service providers to offer network 
security functions as a service to their corporate clients. 

Here are some examples of network security functions under consideration: 

· Firewall 

· DDOS/Anti-DOS 

· Access control/Authorization/Authentication 

· Remote identity management 

· Secure Key management 

· Intrusion Detection System/ Intrusion Prevention System (IDS/IPS) 

The security functions offered by 3rd party need Bi-directional periodic 
communications between the requesters and the providers for policies 
negotiation, validation, potentially re-directing traffic to higher level 
security functions, etc. Therefore, the service requires protocol exchange 
between multiple entities. 

The proposed protocols between requester and provider can be used for the 
following scenarios: 

· A Client requests a set of certain network security functions from a 
provider 

· The provider fulfills the request for example, by instantiating an 
instance of the service in question, or configures additional rules in an 
already provisioned service. 

OpenStack has done a project on FW as a service: 
https://datatracker.ietf.org/doc/draft-dunbar-nsaas-problem-statement/. Here 
is the highlight of the relationship with OpenStack: 

* “Open-source initiatives are not to be considered as an alternative to 
formal standardization processes. On the contrary, they are complementary, 
with the former acting as an enabler and accelerator of the latter. 
Open-source provides an ideal mechanism to quick prototyping and validating 
contending proposals, and demonstrating the feasibility of disruptive ideas 
that could otherwise not be considered. In this respect, open-source 
facilitates the engagement in the standardization process of small (and 
typically more dynamic) players such as start-ups and research groups, that 
would see better opportunities of being heard and a clearer rewards to 
their efforts. An open-source approach is extremely useful as well for the 
production of open reference implementations of the standards at the same 
(or even faster) pace they are defined. The availability of such reference 
implementations translate into much simpler interoperability and 
conformance assessments for both providers and users, and can become the 
basis for incremental differentiation of a common solution, thus allowing a 
cooperative competition (“coopetition”) model.”* 

For additional information, please contact the list administrators.


From nobody Thu Sep 25 09:06:35 2014
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From: Linda Dunbar <linda.dunbar@huawei.com>
To: ramki Krishnan <ramk@Brocade.com>, "nfvrg@irtf.org" <nfvrg@irtf.org>, "I2NSF@ietf.org" <I2NSF@ietf.org>
Thread-Topic: I2NSF (was NSaaS) -- Interface to Network Security Functions can be one of the tools for NFVRG
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Subject: Re: [I2nsf] I2NSF (was NSaaS) -- Interface to Network Security Functions can be one of the tools for NFVRG
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--_000_4A95BA014132FF49AE685FAB4B9F17F645E0A862dfweml701chm_--


From nobody Thu Sep 25 09:38:26 2014
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From: "Natale, Bob" <RNATALE@mitre.org>
To: Linda Dunbar <linda.dunbar@huawei.com>
Thread-Topic: I2NSF (was NSaaS) -- Interface to Network Security Functions can be one of the tools for NFVRG
Thread-Index: AQHP2ED4fIf6Mx8wpUGyKk+IDqSPgpwRAYgwgAEA1fCAAAoloA==
Date: Thu, 25 Sep 2014 16:38:10 +0000
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Subject: Re: [I2nsf] I2NSF (was NSaaS) -- Interface to Network Security Functions can be one of the tools for NFVRG
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From: Hosnieh Rafiee <hosnieh.rafiee@huawei.com>
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From: Linda Dunbar <linda.dunbar@huawei.com>
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Thread-Topic: I2NSF (was NSaaS) -- Interface to Network Security Functions can be one of the tools for NFVRG
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From: "Natale, Bob" <RNATALE@mitre.org>
To: Linda Dunbar <linda.dunbar@huawei.com>
Thread-Topic: I2NSF (was NSaaS) -- Interface to Network Security Functions can be one of the tools for NFVRG
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Date: Thu, 25 Sep 2014 16:55:23 +0000
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Subject: Re: [I2nsf] I2NSF (was NSaaS) -- Interface to Network Security Functions can be one of the tools for NFVRG
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From: Linda Dunbar <linda.dunbar@huawei.com>
To: ramki Krishnan <ramk@Brocade.com>, "I2NSF@ietf.org" <I2NSF@ietf.org>, "nfvrg@irtf.org" <nfvrg@irtf.org>
Thread-Topic: Northbound (service) Interface, API or Programmatic Interface? 
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Date: Thu, 25 Sep 2014 18:56:58 +0000
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Subject: [I2nsf] Northbound (service) Interface, API or Programmatic Interface?
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Hi,

I do not see the difference between an API or a "programmatic interface", s=
o I'd be happy with both. The point here is where the interface is located =
and its semantics, that in this case should correspond to control and confi=
guration of the security functions, with semantics associated with that app=
lication space.

As I see it, this is out of the scope of NFV-aware interfaces, that are int=
ended to be general to any kind of VNF, and oblivious to the particular fun=
ctional semantics.

Be goode,

On 25 Sep 2014, at 19:56 , Linda Dunbar <linda.dunbar@huawei.com<mailto:lin=
da.dunbar@huawei.com>> wrote:

Ramki,

Since you mentioned  =93 I2NSF is to standardize the northbound (service) i=
nterface=94, I would like to reach consensus on those terminologies. =93Nor=
thbound=94 can be ambiguous  because =93northbound=94 to entity A can be so=
uthbound to entity B. So we try to avoid using =93northbound=94 in I2NSF.
We often heard API as well in this context. The security functions offered =
by 3rd party need Bi-directional periodic communications among multiple ent=
ities for policies negotiation, validation, potentially re-directing traffi=
c to higher level security functions, etc. Therefore, the service requires =
programmatic interfaces or protocol exchange, whereas API is conventionally=
 associated with functional calls on one system.  So in I2NSF, we would lik=
e to use =93programmatic interface=94.
Appreciate other suggestions to the terminologies.

Linda



From: ramki Krishnan [mailto:ramk@Brocade.com]
Sent: Wednesday, September 24, 2014 7:52 PM
To: Linda Dunbar; nfvrg@irtf.org<mailto:nfvrg@irtf.org>
Subject: RE: I2NSF (was NSaaS) -- Interface to Network Security Functions c=
an be one of the tools for NFVRG

Hi Linda,

Thanks for your note on I2NSF. The work produced by NFVRG is certainly comp=
lementary. Also, please keep in mind that NFVRG does not produce any standa=
rds.

Based on the charter, it looks like the goal of I2NSF is to standardize the=
 northbound (service) interface of various network security functions. Do w=
e need a new protocol for this? In my opinion, the information/data model i=
s the critical piece of the puzzle.

Thanks,
Ramki

-----Original Message-----
From: Nfvrg [mailto:nfvrg-bounces@irtf.org] On Behalf Of Linda Dunbar
Sent: Wednesday, September 24, 2014 2:46 PM
To: nfvrg@irtf.org<mailto:nfvrg@irtf.org>
Subject: [Nfvrg] I2NSF (was NSaaS) -- Interface to Network Security Functio=
ns can be one of the tools for NFVRG

Based on the feedback that we=92ve received on the NSaaS list, we are narro=
wing down the scope to Interface to Network Security Function (I2NSF). We b=
elieve that the I2NSF is one of the enabling tools for Network Security as =
a Service (NSaaS), which is a subset of VNF as a Service specified by ETSI =
NFV Group Specification Use Cases (gs_NFV001v010101p).

We are hoping that work produced by NFVRG research group can complement the=
 work to be developed by I2NSF. Here is the detailed description of the nar=
rower scoped I2NSF. Appreciate comments and suggestions.

Cheers,  Linda Dunbar


-----Original Message-----
From: IETF Secretariat [mailto:ietf-secretariat@ietf.org]
Sent: Wednesday, September 24, 2014 3:21 PM
To: IETF Announcement List
Cc: Linda Dunbar; myo.zarny@gs.com<mailto:myo.zarny@gs.com>; I2NSF@ietf.org=
<mailto:I2NSF@ietf.org>
Subject: New Non-WG Mailing List: I2NSF -- Interface to Network Security Fu=
nctions mailing list

A new IETF non-working group email list has been created.

List address: i2nsf@ietf.org<mailto:i2nsf@ietf.org>
Archive: http://www.ietf.org/mail-archive/web/i2nsf/
To subscribe: https://www.ietf.org/mailman/listinfo/I2NSF

Purpose:

The Interface to Network Security Functions (I2NSF) mailing list is for dis=
cussing interfaces for clients (especially enterprises) to request, negotia=
te, operate, and/or verify the network security functions that are not phys=
ically present at requesters=92 premises. Those security functions, hosted =
by service providers or 3rd parties, can be instantiated on physical applia=
nces, or as virtual machines instantiated on common compute server (i.e. th=
e Virtualized Network Functions defined by ETSI NFV).

The Interface to (Virtual) Network Security Functions (I2NSF) initiative ai=
ms at improving the dynamic allocation and operation of network security fu=
nctions by documenting a global framework that would include protocol-based=
 control and management interfaces, along with adequate data models. The in=
formation required for the provisioning, the configuration and the operatio=
n of network security functions will be exchanged through the said interfac=
es and protocols. The I2NSF initiative will also take into account the need=
 for co-existing with legacy configuration and management systems used to a=
llocate and operate network security functions, whether they are embedded i=
n network devices or virtualized in data center environments, for example. =
The standard Interface to request, negotiate, allocate, and/or operate (vir=
tual) Network Security Functions is one of the necessary tools for operator=
s and service providers to offer network security functions as a service to=
 their corporate clients.

Here are some examples of network security functions under consideration:

=B7 Firewall

=B7 DDOS/Anti-DOS

=B7 Access control/Authorization/Authentication

=B7 Remote identity management

=B7 Secure Key management

=B7 Intrusion Detection System/ Intrusion Prevention System (IDS/IPS)

The security functions offered by 3rd party need Bi-directional periodic co=
mmunications between the requesters and the providers for policies negotiat=
ion, validation, potentially re-directing traffic to higher level security =
functions, etc. Therefore, the service requires protocol exchange between m=
ultiple entities.

The proposed protocols between requester and provider can be used for the f=
ollowing scenarios:

=B7 A Client requests a set of certain network security functions from a pr=
ovider

=B7 The provider fulfills the request for example, by instantiating an inst=
ance of the service in question, or configures additional rules in an alrea=
dy provisioned service.

OpenStack has done a project on FW as a service:
https://datatracker.ietf.org/doc/draft-dunbar-nsaas-problem-statement/. Her=
e is the highlight of the relationship with OpenStack:

* =93Open-source initiatives are not to be considered as an alternative to =
formal standardization processes. On the contrary, they are complementary, =
with the former acting as an enabler and accelerator of the latter.
Open-source provides an ideal mechanism to quick prototyping and validating=
 contending proposals, and demonstrating the feasibility of disruptive idea=
s that could otherwise not be considered. In this respect, open-source faci=
litates the engagement in the standardization process of small (and typical=
ly more dynamic) players such as start-ups and research groups, that would =
see better opportunities of being heard and a clearer rewards to their effo=
rts. An open-source approach is extremely useful as well for the production=
 of open reference implementations of the standards at the same (or even fa=
ster) pace they are defined. The availability of such reference implementat=
ions translate into much simpler interoperability and conformance assessmen=
ts for both providers and users, and can become the basis for incremental d=
ifferentiation of a common solution, thus allowing a cooperative competitio=
n (=93coopetition=94) model.=94*

For additional information, please contact the list administrators.
_______________________________________________
Nfvrg mailing list
Nfvrg@irtf.org<mailto:Nfvrg@irtf.org>
https://www.irtf.org/mailman/listinfo/nfvrg
_______________________________________________
Nfvrg mailing list
Nfvrg@irtf.org<mailto:Nfvrg@irtf.org>
https://www.irtf.org/mailman/listinfo/nfvrg

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--_000_EE13F2C5D7F544D1AA6E5012B0A63E19telefonicacom_
Content-Type: text/html; charset="Windows-1252"
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Content-Transfer-Encoding: quoted-printable

<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3DWindows-1=
252">
</head>
<body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-lin=
e-break: after-white-space;">
<div>Hi,</div>
<div><br>
</div>
I do not see the difference between an API or a &quot;programmatic interfac=
e&quot;, so I'd be happy with both. The point here is where the interface i=
s located and its semantics, that in this case should correspond to control=
 and configuration of the security functions,
 with semantics associated with that application space.
<div><br>
</div>
<div>As I see it, this is out of the scope of NFV-aware interfaces, that ar=
e intended to be general to any kind of VNF, and oblivious to the particula=
r functional semantics.</div>
<div><br>
</div>
<div>Be goode,</div>
<div><br>
<div>
<div>On 25 Sep 2014, at 19:56 , Linda Dunbar &lt;<a href=3D"mailto:linda.du=
nbar@huawei.com">linda.dunbar@huawei.com</a>&gt; wrote:</div>
<br class=3D"Apple-interchange-newline">
<blockquote type=3D"cite">
<div lang=3D"EN-US" link=3D"blue" vlink=3D"purple" style=3D"font-family: Lu=
cidaGrande; font-size: 11px; 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: n=
ormal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">
<div class=3D"WordSection1" style=3D"page: WordSection1;">
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<span style=3D"color: rgb(31, 73, 125);">Ramki,<o:p></o:p></span></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<span style=3D"color: rgb(31, 73, 125);">&nbsp;</span></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<span style=3D"color: rgb(31, 73, 125);">Since you mentioned &nbsp;=93 I2NS=
F is to standardize the northbound (service) interface=94, I would like to =
reach consensus on those terminologies. =93Northbound=94 can be ambiguous &=
nbsp;because =93northbound=94 to entity A can be southbound
 to entity B. So we try to avoid using =93northbound=94 in I2NSF.<o:p></o:p=
></span></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<span style=3D"color: rgb(31, 73, 125);">We often heard API as well in this=
 context. The security functions offered by 3rd party need Bi-directional p=
eriodic communications among multiple entities for policies negotiation, va=
lidation, potentially re-directing
 traffic to higher level security functions, etc. Therefore, the service re=
quires programmatic interfaces or protocol exchange, whereas API is convent=
ionally associated with functional calls on one system. &nbsp;So in I2NSF, =
we would like to use =93programmatic interface=94.<o:p></o:p></span></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<span style=3D"color: rgb(31, 73, 125);">Appreciate other suggestions to th=
e terminologies.<o:p></o:p></span></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<span style=3D"color: rgb(31, 73, 125);">&nbsp;</span></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<span style=3D"color: rgb(31, 73, 125);">Linda<o:p></o:p></span></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<span style=3D"color: rgb(31, 73, 125);">&nbsp;</span></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<span style=3D"color: rgb(31, 73, 125);">&nbsp;</span></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<span style=3D"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: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<b><span style=3D"font-size: 10pt; font-family: Tahoma, sans-serif;">From:<=
/span></b><span style=3D"font-size: 10pt; font-family: Tahoma, sans-serif;"=
><span class=3D"Apple-converted-space">&nbsp;</span>ramki Krishnan [<a href=
=3D"mailto:ramk@Brocade.com" style=3D"color: purple; text-decoration: under=
line;">mailto:ramk@Brocade.com</a>]<span class=3D"Apple-converted-space">&n=
bsp;</span><br>
<b>Sent:</b><span class=3D"Apple-converted-space">&nbsp;</span>Wednesday, S=
eptember 24, 2014 7:52 PM<br>
<b>To:</b><span class=3D"Apple-converted-space">&nbsp;</span>Linda Dunbar;<=
span class=3D"Apple-converted-space">&nbsp;</span><a href=3D"mailto:nfvrg@i=
rtf.org" style=3D"color: purple; text-decoration: underline;">nfvrg@irtf.or=
g</a><br>
<b>Subject:</b><span class=3D"Apple-converted-space">&nbsp;</span>RE: I2NSF=
 (was NSaaS) -- Interface to Network Security Functions can be one of the t=
ools for NFVRG<o:p></o:p></span></div>
</div>
</div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
Hi Linda,<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
Thanks for your note on I2NSF. The work produced by NFVRG is certainly comp=
lementary. Also, please keep in mind that NFVRG does not produce any standa=
rds.<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
Based on the charter, it looks like the goal of I2NSF is to standardize the=
 northbound (service) interface of various network security functions. Do w=
e need a new protocol for this? In my opinion, the information/data model i=
s the critical piece of the puzzle.<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
Thanks,<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
Ramki<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
-----Original Message-----<br>
From: Nfvrg [<a href=3D"mailto:nfvrg-bounces@irtf.org" style=3D"color: purp=
le; text-decoration: underline;">mailto:nfvrg-bounces@irtf.org</a>] On Beha=
lf Of Linda Dunbar<br>
Sent: Wednesday, September 24, 2014 2:46 PM<br>
To:<span class=3D"Apple-converted-space">&nbsp;</span><a href=3D"mailto:nfv=
rg@irtf.org" style=3D"color: purple; text-decoration: underline;">nfvrg@irt=
f.org</a><br>
Subject: [Nfvrg] I2NSF (was NSaaS) -- Interface to Network Security Functio=
ns can be one of the tools for NFVRG<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
Based on the feedback that we=92ve received on the NSaaS list, we are narro=
wing down the scope to Interface to Network Security Function (I2NSF). We b=
elieve that the I2NSF is one of the enabling tools for Network Security as =
a Service (NSaaS), which is a subset
 of VNF as a Service specified by ETSI NFV Group Specification Use Cases (g=
s_NFV001v010101p).<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
We are hoping that work produced by NFVRG research group can complement the=
 work to be developed by I2NSF. Here is the detailed description of the nar=
rower scoped I2NSF. Appreciate comments and suggestions.<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
Cheers,&nbsp; Linda Dunbar<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
-----Original Message-----<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
From: IETF Secretariat [<a href=3D"mailto:ietf-secretariat@ietf.org" style=
=3D"color: purple; text-decoration: underline;"><span style=3D"color: windo=
wtext; text-decoration: none;">mailto:ietf-secretariat@ietf.org</span></a>]=
<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
Sent: Wednesday, September 24, 2014 3:21 PM<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
To: IETF Announcement List<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
Cc: Linda Dunbar;<span class=3D"Apple-converted-space">&nbsp;</span><a href=
=3D"mailto:myo.zarny@gs.com" style=3D"color: purple; text-decoration: under=
line;"><span style=3D"color: windowtext; text-decoration: none;">myo.zarny@=
gs.com</span></a>;<span class=3D"Apple-converted-space">&nbsp;</span><a hre=
f=3D"mailto:I2NSF@ietf.org" style=3D"color: purple; text-decoration: underl=
ine;"><span style=3D"color: windowtext; text-decoration: none;">I2NSF@ietf.=
org</span></a><o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
Subject: New Non-WG Mailing List: I2NSF -- Interface to Network Security Fu=
nctions mailing list<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
A new IETF non-working group email list has been created.<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
List address:<span class=3D"Apple-converted-space">&nbsp;</span><a href=3D"=
mailto:i2nsf@ietf.org" style=3D"color: purple; text-decoration: underline;"=
><span style=3D"color: windowtext; text-decoration: none;">i2nsf@ietf.org</=
span></a><o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
Archive:<span class=3D"Apple-converted-space">&nbsp;</span><a href=3D"http:=
//www.ietf.org/mail-archive/web/i2nsf/" style=3D"color: purple; text-decora=
tion: underline;"><span style=3D"color: windowtext; text-decoration: none;"=
>http://www.ietf.org/mail-archive/web/i2nsf/</span></a><o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
To subscribe:<span class=3D"Apple-converted-space">&nbsp;</span><a href=3D"=
https://www.ietf.org/mailman/listinfo/I2NSF" style=3D"color: purple; text-d=
ecoration: underline;"><span style=3D"color: windowtext; text-decoration: n=
one;">https://www.ietf.org/mailman/listinfo/I2NSF</span></a><o:p></o:p></di=
v>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
Purpose:<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
The Interface to Network Security Functions (I2NSF) mailing list is for dis=
cussing interfaces for clients (especially enterprises) to request, negotia=
te, operate, and/or verify the network security functions that are not phys=
ically present at requesters=92 premises.
 Those security functions, hosted by service providers or 3rd parties, can =
be instantiated on physical appliances, or as virtual machines instantiated=
 on common compute server (i.e. the Virtualized Network Functions defined b=
y ETSI NFV).<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
The Interface to (Virtual) Network Security Functions (I2NSF) initiative ai=
ms at improving the dynamic allocation and operation of network security fu=
nctions by documenting a global framework that would include protocol-based=
 control and management interfaces,
 along with adequate data models. The information required for the provisio=
ning, the configuration and the operation of network security functions wil=
l be exchanged through the said interfaces and protocols. The I2NSF initiat=
ive will also take into account
 the need for co-existing with legacy configuration and management systems =
used to allocate and operate network security functions, whether they are e=
mbedded in network devices or virtualized in data center environments, for =
example. The standard Interface
 to request, negotiate, allocate, and/or operate (virtual) Network Security=
 Functions is one of the necessary tools for operators and service provider=
s to offer network security functions as a service to their corporate clien=
ts.<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
Here are some examples of network security functions under consideration:<o=
:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
=B7 Firewall<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
=B7 DDOS/Anti-DOS<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
=B7 Access control/Authorization/Authentication<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
=B7 Remote identity management<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
=B7 Secure Key management<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
=B7 Intrusion Detection System/ Intrusion Prevention System (IDS/IPS)<o:p><=
/o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
The security functions offered by 3rd party need Bi-directional periodic co=
mmunications between the requesters and the providers for policies negotiat=
ion, validation, potentially re-directing traffic to higher level security =
functions, etc. Therefore, the service
 requires protocol exchange between multiple entities.<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
The proposed protocols between requester and provider can be used for the f=
ollowing scenarios:<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
=B7 A Client requests a set of certain network security functions from a pr=
ovider<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
=B7 The provider fulfills the request for example, by instantiating an inst=
ance of the service in question, or configures additional rules in an alrea=
dy provisioned service.<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
OpenStack has done a project on FW as a service:<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<a href=3D"https://datatracker.ietf.org/doc/draft-dunbar-nsaas-problem-stat=
ement/" style=3D"color: purple; text-decoration: underline;"><span style=3D=
"color: windowtext; text-decoration: none;">https://datatracker.ietf.org/do=
c/draft-dunbar-nsaas-problem-statement/</span></a>.
 Here is the highlight of the relationship with OpenStack:<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
* =93Open-source initiatives are not to be considered as an alternative to =
formal standardization processes. On the contrary, they are complementary, =
with the former acting as an enabler and accelerator of the latter.<o:p></o=
:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
Open-source provides an ideal mechanism to quick prototyping and validating=
 contending proposals, and demonstrating the feasibility of disruptive idea=
s that could otherwise not be considered. In this respect, open-source faci=
litates the engagement in the standardization
 process of small (and typically more dynamic) players such as start-ups an=
d research groups, that would see better opportunities of being heard and a=
 clearer rewards to their efforts. An open-source approach is extremely use=
ful as well for the production of
 open reference implementations of the standards at the same (or even faste=
r) pace they are defined. The availability of such reference implementation=
s translate into much simpler interoperability and conformance assessments =
for both providers and users, and
 can become the basis for incremental differentiation of a common solution,=
 thus allowing a cooperative competition (=93coopetition=94) model.=94*<o:p=
></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<o:p>&nbsp;</o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
For additional information, please contact the list administrators.<o:p></o=
:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
_______________________________________________<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
Nfvrg mailing list<o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<a href=3D"mailto:Nfvrg@irtf.org" style=3D"color: purple; text-decoration: =
underline;"><span style=3D"color: windowtext; text-decoration: none;">Nfvrg=
@irtf.org</span></a><o:p></o:p></div>
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;">
<a href=3D"https://www.irtf.org/mailman/listinfo/nfvrg" style=3D"color: pur=
ple; text-decoration: underline;"><span style=3D"color: windowtext; text-de=
coration: none;">https://www.irtf.org/mailman/listinfo/nfvrg</span></a><o:p=
></o:p></div>
</div>
_______________________________________________<br>
Nfvrg mailing list<br>
<a href=3D"mailto:Nfvrg@irtf.org" style=3D"color: purple; text-decoration: =
underline;">Nfvrg@irtf.org</a><br>
<a href=3D"https://www.irtf.org/mailman/listinfo/nfvrg" style=3D"color: pur=
ple; text-decoration: underline;">https://www.irtf.org/mailman/listinfo/nfv=
rg</a></div>
</blockquote>
</div>
<br>
<div apple-content-edited=3D"true">
<div>--<br>
PLEASE NOTE MY NEW EMAIL ADDRESS<br>
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<br>
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Telefonica I&#43;D<br>
<a href=3D"http://people.tid.es/diego.lopez/">http://people.tid.es/diego.lo=
pez/</a><br>
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e-mail: diego.r.lopez@telefonica.com<br>
Tel: &nbsp; &nbsp;&#43;34 913 129 041<br>
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To: Linda Dunbar <linda.dunbar@huawei.com>, "I2NSF@ietf.org" <I2NSF@ietf.org>,  "nfvrg@irtf.org" <nfvrg@irtf.org>
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From nobody Sat Sep 27 23:58:29 2014
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From: "xiaojun" <zhuangxiaojun@chinamobile.com>
To: "'ramki Krishnan'" <ramk@Brocade.com>, "'Linda Dunbar'" <linda.dunbar@huawei.com>, <I2NSF@ietf.org>, <nfvrg@irtf.org>
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I agree with Ramki, =E2=80=9CProgrammatic interface=E2=80=9D is better.

=20

xiaojun

=20

=E5=8F=91=E4=BB=B6=E4=BA=BA: I2nsf [mailto:i2nsf-bounces@ietf.org] =
=E4=BB=A3=E8=A1=A8 ramki Krishnan
=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2014=E5=B9=B49=E6=9C=8827=E6=97=A5 =
13:43
=E6=94=B6=E4=BB=B6=E4=BA=BA: Linda Dunbar; I2NSF@ietf.org; =
nfvrg@irtf.org
=E4=B8=BB=E9=A2=98: Re: [I2nsf] Northbound (service) Interface, API or =
Programmatic Interface?

=20

Hi Linda,

=20

=E2=80=9CProgrammatic interface=E2=80=9D looks good.

=20

Thanks,

Ramki

=20

From: Linda Dunbar [mailto:linda.dunbar@huawei.com]=20
Sent: Thursday, September 25, 2014 11:57 AM
To: ramki Krishnan; I2NSF@ietf.org; nfvrg@irtf.org
Subject: Northbound (service) Interface, API or Programmatic Interface?=20

=20

Ramki,=20

=20

Since you mentioned  =E2=80=9C I2NSF is to standardize the northbound =
(service) interface=E2=80=9D, I would like to reach consensus on those =
terminologies. =E2=80=9CNorthbound=E2=80=9D can be ambiguous  because =
=E2=80=9Cnorthbound=E2=80=9D to entity A can be southbound to entity B. =
So we try to avoid using =E2=80=9Cnorthbound=E2=80=9D in I2NSF.=20

We often heard API as well in this context. The security functions =
offered by 3rd party need Bi-directional periodic communications among =
multiple entities for policies negotiation, validation, potentially =
re-directing traffic to higher level security functions, etc. Therefore, =
the service requires programmatic interfaces or protocol exchange, =
whereas API is conventionally associated with functional calls on one =
system.  So in I2NSF, we would like to use =E2=80=9Cprogrammatic =
interface=E2=80=9D.=20

Appreciate other suggestions to the terminologies.=20

=20

Linda

=20

=20

=20

From: ramki Krishnan [mailto:ramk@Brocade.com]=20
Sent: Wednesday, September 24, 2014 7:52 PM
To: Linda Dunbar; nfvrg@irtf.org
Subject: RE: I2NSF (was NSaaS) -- Interface to Network Security =
Functions can be one of the tools for NFVRG

=20

Hi Linda,

=20

Thanks for your note on I2NSF. The work produced by NFVRG is certainly =
complementary. Also, please keep in mind that NFVRG does not produce any =
standards.

=20

Based on the charter, it looks like the goal of I2NSF is to standardize =
the northbound (service) interface of various network security =
functions. Do we need a new protocol for this? In my opinion, the =
information/data model is the critical piece of the puzzle.

=20

Thanks,

Ramki

=20

-----Original Message-----
From: Nfvrg [mailto:nfvrg-bounces@irtf.org] On Behalf Of Linda Dunbar
Sent: Wednesday, September 24, 2014 2:46 PM
To: nfvrg@irtf.org
Subject: [Nfvrg] I2NSF (was NSaaS) -- Interface to Network Security =
Functions can be one of the tools for NFVRG

=20

Based on the feedback that we=E2=80=99ve received on the NSaaS list, we =
are narrowing down the scope to Interface to Network Security Function =
(I2NSF). We believe that the I2NSF is one of the enabling tools for =
Network Security as a Service (NSaaS), which is a subset of VNF as a =
Service specified by ETSI NFV Group Specification Use Cases =
(gs_NFV001v010101p).=20

=20

We are hoping that work produced by NFVRG research group can complement =
the work to be developed by I2NSF. Here is the detailed description of =
the narrower scoped I2NSF. Appreciate comments and suggestions.=20

=20

Cheers,  Linda Dunbar

=20

=20

-----Original Message-----

From: IETF Secretariat [ <mailto:ietf-secretariat@ietf.org> =
mailto:ietf-secretariat@ietf.org]=20

Sent: Wednesday, September 24, 2014 3:21 PM

To: IETF Announcement List

Cc: Linda Dunbar;  <mailto:myo.zarny@gs.com> myo.zarny@gs.com;  =
<mailto:I2NSF@ietf.org> I2NSF@ietf.org

Subject: New Non-WG Mailing List: I2NSF -- Interface to Network Security =
Functions mailing list

=20

A new IETF non-working group email list has been created.

=20

List address:  <mailto:i2nsf@ietf.org> i2nsf@ietf.org

Archive:  <http://www.ietf.org/mail-archive/web/i2nsf/> =
http://www.ietf.org/mail-archive/web/i2nsf/

To subscribe:  <https://www.ietf.org/mailman/listinfo/I2NSF> =
https://www.ietf.org/mailman/listinfo/I2NSF

=20

Purpose:

=20

The Interface to Network Security Functions (I2NSF) mailing list is for =
discussing interfaces for clients (especially enterprises) to request, =
negotiate, operate, and/or verify the network security functions that =
are not physically present at requesters=E2=80=99 premises. Those =
security functions, hosted by service providers or 3rd parties, can be =
instantiated on physical appliances, or as virtual machines instantiated =
on common compute server (i.e. the Virtualized Network Functions defined =
by ETSI NFV).=20

=20

The Interface to (Virtual) Network Security Functions (I2NSF) initiative =
aims at improving the dynamic allocation and operation of network =
security functions by documenting a global framework that would include =
protocol-based control and management interfaces, along with adequate =
data models. The information required for the provisioning, the =
configuration and the operation of network security functions will be =
exchanged through the said interfaces and protocols. The I2NSF =
initiative will also take into account the need for co-existing with =
legacy configuration and management systems used to allocate and operate =
network security functions, whether they are embedded in network devices =
or virtualized in data center environments, for example. The standard =
Interface to request, negotiate, allocate, and/or operate (virtual) =
Network Security Functions is one of the necessary tools for operators =
and service providers to offer network security functions as a service =
to their corporate clients.=20

=20

Here are some examples of network security functions under =
consideration:=20

=20

=C2=B7 Firewall=20

=20

=C2=B7 DDOS/Anti-DOS=20

=20

=C2=B7 Access control/Authorization/Authentication=20

=20

=C2=B7 Remote identity management=20

=20

=C2=B7 Secure Key management=20

=20

=C2=B7 Intrusion Detection System/ Intrusion Prevention System (IDS/IPS) =


=20

The security functions offered by 3rd party need Bi-directional periodic =
communications between the requesters and the providers for policies =
negotiation, validation, potentially re-directing traffic to higher =
level security functions, etc. Therefore, the service requires protocol =
exchange between multiple entities.=20

=20

The proposed protocols between requester and provider can be used for =
the following scenarios:=20

=20

=C2=B7 A Client requests a set of certain network security functions =
from a provider=20

=20

=C2=B7 The provider fulfills the request for example, by instantiating =
an instance of the service in question, or configures additional rules =
in an already provisioned service.=20

=20

OpenStack has done a project on FW as a service:=20

 =
<https://datatracker.ietf.org/doc/draft-dunbar-nsaas-problem-statement/> =
https://datatracker.ietf.org/doc/draft-dunbar-nsaas-problem-statement/. =
Here is the highlight of the relationship with OpenStack:=20

=20

* =E2=80=9COpen-source initiatives are not to be considered as an =
alternative to formal standardization processes. On the contrary, they =
are complementary, with the former acting as an enabler and accelerator =
of the latter.=20

Open-source provides an ideal mechanism to quick prototyping and =
validating contending proposals, and demonstrating the feasibility of =
disruptive ideas that could otherwise not be considered. In this =
respect, open-source facilitates the engagement in the standardization =
process of small (and typically more dynamic) players such as start-ups =
and research groups, that would see better opportunities of being heard =
and a clearer rewards to their efforts. An open-source approach is =
extremely useful as well for the production of open reference =
implementations of the standards at the same (or even faster) pace they =
are defined. The availability of such reference implementations =
translate into much simpler interoperability and conformance assessments =
for both providers and users, and can become the basis for incremental =
differentiation of a common solution, thus allowing a cooperative =
competition (=E2=80=9Ccoopetition=E2=80=9D) model.=E2=80=9D*=20

=20

For additional information, please contact the list administrators.

_______________________________________________

Nfvrg mailing list

 <mailto:Nfvrg@irtf.org> Nfvrg@irtf.org

 <https://www.irtf.org/mailman/listinfo/nfvrg> =
https://www.irtf.org/mailman/listinfo/nfvrg


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</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;color:#1F497D'>I agree with =
Ramki, =E2=80=9C</span><span lang=3DEN-US =
style=3D'color:#1F497D'>Programmatic interface</span><span lang=3DEN-US =
style=3D'font-size:10.5pt;color:#1F497D'>=E2=80=9D is =
better.<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.5pt;color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.5pt;color:#1F497D'>xiaojun<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.5pt;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 =
style=3D'font-size:10.0pt;font-family:=E5=AE=8B=E4=BD=93'>=E5=8F=91=E4=BB=
=B6=E4=BA=BA<span lang=3DEN-US>:</span></span></b><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:=E5=AE=8B=E4=BD=93'> I2nsf =
[mailto:i2nsf-bounces@ietf.org] </span><b><span =
style=3D'font-size:10.0pt;font-family:=E5=AE=8B=E4=BD=93'>=E4=BB=A3=E8=A1=
=A8 </span></b><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:=E5=AE=8B=E4=BD=93'>ramki =
Krishnan<br></span><b><span =
style=3D'font-size:10.0pt;font-family:=E5=AE=8B=E4=BD=93'>=E5=8F=91=E9=80=
=81=E6=97=B6=E9=97=B4<span lang=3DEN-US>:</span></span></b><span =
lang=3DEN-US style=3D'font-size:10.0pt;font-family:=E5=AE=8B=E4=BD=93'> =
2014</span><span =
style=3D'font-size:10.0pt;font-family:=E5=AE=8B=E4=BD=93'>=E5=B9=B4<span =
lang=3DEN-US>9</span>=E6=9C=88<span lang=3DEN-US>27</span>=E6=97=A5<span =
lang=3DEN-US> 13:43<br></span><b>=E6=94=B6=E4=BB=B6=E4=BA=BA<span =
lang=3DEN-US>:</span></b><span lang=3DEN-US> Linda Dunbar; =
I2NSF@ietf.org; nfvrg@irtf.org<br></span><b>=E4=B8=BB=E9=A2=98<span =
lang=3DEN-US>:</span></b><span lang=3DEN-US> Re: [I2nsf] Northbound =
(service) Interface, API or Programmatic =
Interface?<o:p></o:p></span></span></p></div></div><p =
class=3DMsoNormal><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US style=3D'color:#1F497D'>Hi =
Linda,<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'color:#1F497D'>=E2=80=9CProgrammatic interface=E2=80=9D looks =
good.<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'color:#1F497D'>Thanks,<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'color:#1F497D'>Ramki<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'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"'> Linda =
Dunbar [mailto:linda.dunbar@huawei.com] <br><b>Sent:</b> Thursday, =
September 25, 2014 11:57 AM<br><b>To:</b> ramki Krishnan; =
I2NSF@ietf.org; nfvrg@irtf.org<br><b>Subject:</b> Northbound (service) =
Interface, API or Programmatic Interface? =
<o:p></o:p></span></p></div></div><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US style=3D'color:#1F497D'>Ramki, <o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto'><span lang=3DEN-US =
style=3D'color:#1F497D'>Since you mentioned &nbsp;=E2=80=9C I2NSF is to =
standardize the northbound (service) interface=E2=80=9D, I would like to =
reach consensus on those terminologies. =E2=80=9CNorthbound=E2=80=9D can =
be ambiguous &nbsp;because =E2=80=9Cnorthbound=E2=80=9D to entity A can =
be southbound to entity B. So we try to avoid using =
=E2=80=9Cnorthbound=E2=80=9D in I2NSF. <o:p></o:p></span></p><p =
class=3DMsoNormal style=3D'mso-margin-top-alt:auto'><span lang=3DEN-US =
style=3D'color:#1F497D'>We often heard API as well in this context. The =
security functions offered by 3rd party need Bi-directional periodic =
communications among multiple entities for policies negotiation, =
validation, potentially re-directing traffic to higher level security =
functions, etc. Therefore, the service requires programmatic interfaces =
or protocol exchange, whereas API is conventionally associated with =
functional calls on one system. &nbsp;So in I2NSF, we would like to use =
=E2=80=9Cprogrammatic interface=E2=80=9D. <o:p></o:p></span></p><p =
class=3DMsoNormal style=3D'mso-margin-top-alt:auto'><span lang=3DEN-US =
style=3D'color:#1F497D'>Appreciate other suggestions to the =
terminologies. <o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto'><span lang=3DEN-US =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto'><span lang=3DEN-US =
style=3D'color:#1F497D'>Linda<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'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"'> ramki =
Krishnan [<a =
href=3D"mailto:ramk@Brocade.com">mailto:ramk@Brocade.com</a>] =
<br><b>Sent:</b> Wednesday, September 24, 2014 7:52 PM<br><b>To:</b> =
Linda Dunbar; <a =
href=3D"mailto:nfvrg@irtf.org">nfvrg@irtf.org</a><br><b>Subject:</b> RE: =
I2NSF (was NSaaS) -- Interface to Network Security Functions can be one =
of the tools for NFVRG<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US>Hi =
Linda,<o:p></o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US>Thanks for your note on I2NSF. The work produced by NFVRG =
is certainly complementary. Also, please keep in mind that NFVRG does =
not produce any standards.<o:p></o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US>Based on the charter, it looks =
like the goal of I2NSF is to standardize the northbound (service) =
interface of various network security functions. Do we need a new =
protocol for this? In my opinion, the information/data model is the =
critical piece of the puzzle.<o:p></o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US>Thanks,<o:p></o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US>Ramki<o:p></o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US>-----Original =
Message-----<br>From: Nfvrg [<a =
href=3D"mailto:nfvrg-bounces@irtf.org">mailto:nfvrg-bounces@irtf.org</a>]=
 On Behalf Of Linda Dunbar<br>Sent: Wednesday, September 24, 2014 2:46 =
PM<br>To: <a =
href=3D"mailto:nfvrg@irtf.org">nfvrg@irtf.org</a><br>Subject: [Nfvrg] =
I2NSF (was NSaaS) -- Interface to Network Security Functions can be one =
of the tools for NFVRG<o:p></o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US>Based on the feedback that =
we=E2=80=99ve received on the NSaaS list, we are narrowing down the =
scope to Interface to Network Security Function (I2NSF). We believe that =
the I2NSF is one of the enabling tools for Network Security as a Service =
(NSaaS), which is a subset of VNF as a Service specified by ETSI NFV =
Group Specification Use Cases (gs_NFV001v010101p). =
<o:p></o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US>We are hoping that work produced by NFVRG research group =
can complement the work to be developed by I2NSF. Here is the detailed =
description of the narrower scoped I2NSF. Appreciate comments and =
suggestions. <o:p></o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US>Cheers,&nbsp; Linda Dunbar<o:p></o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US>-----Original =
Message-----<o:p></o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US>From: IETF Secretariat [<a =
href=3D"mailto:ietf-secretariat@ietf.org"><span =
style=3D'color:windowtext;text-decoration:none'>mailto:ietf-secretariat@i=
etf.org</span></a>] <o:p></o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US>Sent: Wednesday, September 24, 2014 3:21 =
PM<o:p></o:p></span></p><p class=3DMsoPlainText><span lang=3DEN-US>To: =
IETF Announcement List<o:p></o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US>Cc: Linda Dunbar; <a =
href=3D"mailto:myo.zarny@gs.com"><span =
style=3D'color:windowtext;text-decoration:none'>myo.zarny@gs.com</span></=
a>; <a href=3D"mailto:I2NSF@ietf.org"><span =
style=3D'color:windowtext;text-decoration:none'>I2NSF@ietf.org</span></a>=
<o:p></o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US>Subject: New Non-WG Mailing List: I2NSF -- Interface to =
Network Security Functions mailing list<o:p></o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US>A new IETF non-working group =
email list has been created.<o:p></o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US>List address: <a =
href=3D"mailto:i2nsf@ietf.org"><span =
style=3D'color:windowtext;text-decoration:none'>i2nsf@ietf.org</span></a>=
<o:p></o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US>Archive: <a =
href=3D"http://www.ietf.org/mail-archive/web/i2nsf/"><span =
style=3D'color:windowtext;text-decoration:none'>http://www.ietf.org/mail-=
archive/web/i2nsf/</span></a><o:p></o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US>To subscribe: <a =
href=3D"https://www.ietf.org/mailman/listinfo/I2NSF"><span =
style=3D'color:windowtext;text-decoration:none'>https://www.ietf.org/mail=
man/listinfo/I2NSF</span></a><o:p></o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US>Purpose:<o:p></o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US>The Interface to Network =
Security Functions (I2NSF) mailing list is for discussing interfaces for =
clients (especially enterprises) to request, negotiate, operate, and/or =
verify the network security functions that are not physically present at =
requesters=E2=80=99 premises. Those security functions, hosted by =
service providers or 3rd parties, can be instantiated on physical =
appliances, or as virtual machines instantiated on common compute server =
(i.e. the Virtualized Network Functions defined by ETSI NFV). =
<o:p></o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US>The Interface to (Virtual) Network Security Functions =
(I2NSF) initiative aims at improving the dynamic allocation and =
operation of network security functions by documenting a global =
framework that would include protocol-based control and management =
interfaces, along with adequate data models. The information required =
for the provisioning, the configuration and the operation of network =
security functions will be exchanged through the said interfaces and =
protocols. The I2NSF initiative will also take into account the need for =
co-existing with legacy configuration and management systems used to =
allocate and operate network security functions, whether they are =
embedded in network devices or virtualized in data center environments, =
for example. The standard Interface to request, negotiate, allocate, =
and/or operate (virtual) Network Security Functions is one of the =
necessary tools for operators and service providers to offer network =
security functions as a service to their corporate clients. =
<o:p></o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US>Here are some examples of network security functions under =
consideration: <o:p></o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US>=C2=B7 Firewall <o:p></o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US>=C2=B7 DDOS/Anti-DOS =
<o:p></o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US>=C2=B7 Access control/Authorization/Authentication =
<o:p></o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US>=C2=B7 Remote identity management <o:p></o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US>=C2=B7 Secure Key management =
<o:p></o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US>=C2=B7 Intrusion Detection System/ Intrusion Prevention =
System (IDS/IPS) <o:p></o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US>The security functions offered by 3rd party need =
Bi-directional periodic communications between the requesters and the =
providers for policies negotiation, validation, potentially re-directing =
traffic to higher level security functions, etc. Therefore, the service =
requires protocol exchange between multiple entities. =
<o:p></o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US>The proposed protocols between requester and provider can =
be used for the following scenarios: <o:p></o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US>=C2=B7 A Client requests a set =
of certain network security functions from a provider =
<o:p></o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US>=C2=B7 The provider fulfills the request for example, by =
instantiating an instance of the service in question, or configures =
additional rules in an already provisioned service. =
<o:p></o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US>OpenStack has done a project on FW as a service: =
<o:p></o:p></span></p><p class=3DMsoPlainText><span lang=3DEN-US><a =
href=3D"https://datatracker.ietf.org/doc/draft-dunbar-nsaas-problem-state=
ment/"><span =
style=3D'color:windowtext;text-decoration:none'>https://datatracker.ietf.=
org/doc/draft-dunbar-nsaas-problem-statement/</span></a>. Here is the =
highlight of the relationship with OpenStack: <o:p></o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoPlainText><span lang=3DEN-US>* =E2=80=9COpen-source =
initiatives are not to be considered as an alternative to formal =
standardization processes. On the contrary, they are complementary, with =
the former acting as an enabler and accelerator of the latter. =
<o:p></o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US>Open-source provides an ideal mechanism to quick =
prototyping and validating contending proposals, and demonstrating the =
feasibility of disruptive ideas that could otherwise not be considered. =
In this respect, open-source facilitates the engagement in the =
standardization process of small (and typically more dynamic) players =
such as start-ups and research groups, that would see better =
opportunities of being heard and a clearer rewards to their efforts. An =
open-source approach is extremely useful as well for the production of =
open reference implementations of the standards at the same (or even =
faster) pace they are defined. The availability of such reference =
implementations translate into much simpler interoperability and =
conformance assessments for both providers and users, and can become the =
basis for incremental differentiation of a common solution, thus =
allowing a cooperative competition (=E2=80=9Ccoopetition=E2=80=9D) =
model.=E2=80=9D* <o:p></o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US>For additional information, please contact the list =
administrators.<o:p></o:p></span></p><p class=3DMsoPlainText><span =
lang=3DEN-US>_______________________________________________<o:p></o:p></=
span></p><p class=3DMsoPlainText><span lang=3DEN-US>Nfvrg mailing =
list<o:p></o:p></span></p><p class=3DMsoPlainText><span lang=3DEN-US><a =
href=3D"mailto:Nfvrg@irtf.org"><span =
style=3D'color:windowtext;text-decoration:none'>Nfvrg@irtf.org</span></a>=
<o:p></o:p></span></p><p class=3DMsoPlainText><span lang=3DEN-US><a =
href=3D"https://www.irtf.org/mailman/listinfo/nfvrg"><span =
style=3D'color:windowtext;text-decoration:none'>https://www.irtf.org/mail=
man/listinfo/nfvrg</span></a><o:p></o:p></span></p></div></body></html>
------=_NextPart_000_01A2_01CFDB2C.D730FE70--




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From: DIEGO LOPEZ GARCIA <diego.r.lopez@telefonica.com>
To: Melinda Shore <melinda.shore@gmail.com>
Thread-Topic: [Nsaas]  Existing work, other things
Thread-Index: AQHPytPdgCtO8YJF9k+MT+eLXxwHH5v60awAgAB0D4CAG1VIAA==
Date: Sun, 28 Sep 2014 12:32:59 +0000
Message-ID: <F187B4F3-8FAD-46EF-AC18-AE4D61F6147E@telefonica.com>
References: <53E97DB5.3040106@gmail.com> <B0D29E0424F2DE47A0B36779EC666779661978DE@nkgeml501-mbs.china.huawei.com> <53E98377.1030902@gmail.com> <4A95BA014132FF49AE685FAB4B9F17F645DB236D@dfweml701-chm.china.huawei.com> <53EA3EBE.50200@gmail.com> <4A95BA014132FF49AE685FAB4B9F17F645DB2420@dfweml701-chm.china.huawei.com> <53EA4704.2090401@gmail.com> <4A95BA014132FF49AE685FAB4B9F17F645DB2460@dfweml701-chm.china.huawei.com> <53EA4D5E.70303@gmail.com> <4A95BA014132FF49AE685FAB4B9F17F645DB24CD@dfweml701-chm.china.huawei.com> <F786A82C-976A-44F5-8832-ACA12CD2477B@telefonica.com> <540CB51B.7010204@gmail.com> <C331C853-500F-46C7-BF73-8D07B9B1ADB8@telefonica.com> <5411123B.2020104@gmail.com>
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Cc: "I2NSF@ietf.org" <I2NSF@ietf.org>, "nsaas@ietf.org" <nsaas@ietf.org>, Linda Dunbar <linda.dunbar@huawei.com>
Subject: Re: [I2nsf] [Nsaas]  Existing work, other things
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Hi,

This may come a little bit late for the nsaas list, so I am using the new i=
2nsf as well...
On 11 Sep 2014, at 05:08 , Melinda Shore <melinda.shore@gmail.com> wrote:

> On 9/10/14 12:13 PM, DIEGO LOPEZ GARCIA wrote:
>> I fully agree with your statement of trying to narrow the scope and
>> identify the piece(s) of technical work to be solved. With that in
>> mind I suggested the three aspects to be considered, intended as a
>> first step to concrete the goals for a future group. For sure we need
>> to refine them but I can tell you that we are seriously considering
>> the provision of this kind of security services to our customers. So
>> I guess we can consider the request to bring our "product managers"
>> to the process fulfilled from our side...
>
> Well, yes and no.
>
> To back up a little bit, the IETF has not historically hewn to the
> problem statement->framework->whatever process.  Work used to be
> brought in more fully considered, and I think it does not represent
> progress that we're now seeing a lot of problem statements.  To me,
> it suggests that the work that's being proposed isn't really work
> per se - someone's got some ideas about an interesting problem but
> hasn't really worked out the details, whether the problem can (or
> should) be solved in the IETF at all, and so on.  It seems to me that
> from an organizational perspective, the problem statements have
> turned into an unproductive time sink.  Work really needs to be
> more mature before a BOF is approved.

I fully agree with you. As I said, we are engaged in a project that is alre=
ady producing results in the direction of NSaaS/I2NSF (whatever we call it =
at the end) and I saw this proposal as an interesting opportunity to standa=
rdize some of them. The problem statement->framework->whatever process may =
have not been the IETF style to proceed (and I praise that!) but I am afrai=
d that this is becoming commonplace, hence my statement above...

> On the other hand, people who are writing drafts and advocating
> for particular pieces of work should not be in a particular hurry
> to have a BOF.  It is not in the interest of people advocating a
> piece of work to have an unsuccessful BOF.  It hurts your case.
> Second, it's also important to keep in mind that the work of the
> IETF is done primarily on mailing lists and through the document
> process, not at meetings.  It's possible (and has been done a
> number of times) to form a working group without ever having held
> a BOF.

Agreed as well. In fact, I am under the impression that a group-forming BoF=
 at IETF91 would be premature.

> This is not ETSI and it's not the ITU-T.  The best way to move
> work along is to have a technically credible proposal that's
> reasonably mature, and to have some people who want to build it
> and some other people who want to deploy it.  Support from other
> people who write standards is shallow if there's no institutional
> commitment to the technology on the parts of their employers.

Not sure about the ITU-T, but to be fair to ETSI I must say that their flex=
ibility when it came to NFV was more than remarkable...

Be goode,

--
PLEASE NOTE MY NEW EMAIL ADDRESS
"Esta vez no fallaremos, Doctor Infierno"

Dr Diego R. Lopez
Telefonica I+D
http://people.tid.es/diego.lopez/

e-mail: diego.r.lopez@telefonica.com
Tel:    +34 913 129 041
Mobile: +34 682 051 091
----------------------------------


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From: Linda Dunbar <linda.dunbar@huawei.com>
To: DIEGO LOPEZ GARCIA <diego.r.lopez@telefonica.com>
Thread-Topic: [I2NSF] Northbound (service) Interface,	API or Programmatic Interface?
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Cc: ramki Krishnan <ramk@Brocade.com>, "I2NSF@ietf.org" <I2NSF@ietf.org>, "nfvrg@irtf.org" <nfvrg@irtf.org>
Subject: Re: [I2nsf] [I2NSF] Northbound (service) Interface, API or Programmatic Interface?
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Diego,

Can you give a few examples of "NFV-Aware interfaces"?

I would think different types of Network functions would need different att=
ributes on the interface.

Linda

From: DIEGO LOPEZ GARCIA [mailto:diego.r.lopez@telefonica.com]
Sent: Saturday, September 27, 2014 5:34 AM
To: Linda Dunbar
Cc: ramki Krishnan; I2NSF@ietf.org; nfvrg@irtf.org
Subject: Re: [Nfvrg] Northbound (service) Interface, API or Programmatic In=
terface?

Hi,

I do not see the difference between an API or a "programmatic interface", s=
o I'd be happy with both. The point here is where the interface is located =
and its semantics, that in this case should correspond to control and confi=
guration of the security functions, with semantics associated with that app=
lication space.

As I see it, this is out of the scope of NFV-aware interfaces, that are int=
ended to be general to any kind of VNF, and oblivious to the particular fun=
ctional semantics.

Be goode,

On 25 Sep 2014, at 19:56 , Linda Dunbar <linda.dunbar@huawei.com<mailto:lin=
da.dunbar@huawei.com>> wrote:


Ramki,

Since you mentioned  " I2NSF is to standardize the northbound (service) int=
erface", I would like to reach consensus on those terminologies. "Northboun=
d" can be ambiguous  because "northbound" to entity A can be southbound to =
entity B. So we try to avoid using "northbound" in I2NSF.
We often heard API as well in this context. The security functions offered =
by 3rd party need Bi-directional periodic communications among multiple ent=
ities for policies negotiation, validation, potentially re-directing traffi=
c to higher level security functions, etc. Therefore, the service requires =
programmatic interfaces or protocol exchange, whereas API is conventionally=
 associated with functional calls on one system.  So in I2NSF, we would lik=
e to use "programmatic interface".
Appreciate other suggestions to the terminologies.

Linda



From: ramki Krishnan [mailto:ramk@Brocade.com]
Sent: Wednesday, September 24, 2014 7:52 PM
To: Linda Dunbar; nfvrg@irtf.org<mailto:nfvrg@irtf.org>
Subject: RE: I2NSF (was NSaaS) -- Interface to Network Security Functions c=
an be one of the tools for NFVRG

Hi Linda,

Thanks for your note on I2NSF. The work produced by NFVRG is certainly comp=
lementary. Also, please keep in mind that NFVRG does not produce any standa=
rds.

Based on the charter, it looks like the goal of I2NSF is to standardize the=
 northbound (service) interface of various network security functions. Do w=
e need a new protocol for this? In my opinion, the information/data model i=
s the critical piece of the puzzle.

Thanks,
Ramki

-----Original Message-----
From: Nfvrg [mailto:nfvrg-bounces@irtf.org] On Behalf Of Linda Dunbar
Sent: Wednesday, September 24, 2014 2:46 PM
To: nfvrg@irtf.org<mailto:nfvrg@irtf.org>
Subject: [Nfvrg] I2NSF (was NSaaS) -- Interface to Network Security Functio=
ns can be one of the tools for NFVRG

Based on the feedback that we've received on the NSaaS list, we are narrowi=
ng down the scope to Interface to Network Security Function (I2NSF). We bel=
ieve that the I2NSF is one of the enabling tools for Network Security as a =
Service (NSaaS), which is a subset of VNF as a Service specified by ETSI NF=
V Group Specification Use Cases (gs_NFV001v010101p).

We are hoping that work produced by NFVRG research group can complement the=
 work to be developed by I2NSF. Here is the detailed description of the nar=
rower scoped I2NSF. Appreciate comments and suggestions.

Cheers,  Linda Dunbar


-----Original Message-----
From: IETF Secretariat [mailto:ietf-secretariat@ietf.org]
Sent: Wednesday, September 24, 2014 3:21 PM
To: IETF Announcement List
Cc: Linda Dunbar; myo.zarny@gs.com<mailto:myo.zarny@gs.com>; I2NSF@ietf.org=
<mailto:I2NSF@ietf.org>
Subject: New Non-WG Mailing List: I2NSF -- Interface to Network Security Fu=
nctions mailing list

A new IETF non-working group email list has been created.

List address: i2nsf@ietf.org<mailto:i2nsf@ietf.org>
Archive: http://www.ietf.org/mail-archive/web/i2nsf/
To subscribe: https://www.ietf.org/mailman/listinfo/I2NSF

Purpose:

The Interface to Network Security Functions (I2NSF) mailing list is for dis=
cussing interfaces for clients (especially enterprises) to request, negotia=
te, operate, and/or verify the network security functions that are not phys=
ically present at requesters' premises. Those security functions, hosted by=
 service providers or 3rd parties, can be instantiated on physical applianc=
es, or as virtual machines instantiated on common compute server (i.e. the =
Virtualized Network Functions defined by ETSI NFV).

The Interface to (Virtual) Network Security Functions (I2NSF) initiative ai=
ms at improving the dynamic allocation and operation of network security fu=
nctions by documenting a global framework that would include protocol-based=
 control and management interfaces, along with adequate data models. The in=
formation required for the provisioning, the configuration and the operatio=
n of network security functions will be exchanged through the said interfac=
es and protocols. The I2NSF initiative will also take into account the need=
 for co-existing with legacy configuration and management systems used to a=
llocate and operate network security functions, whether they are embedded i=
n network devices or virtualized in data center environments, for example. =
The standard Interface to request, negotiate, allocate, and/or operate (vir=
tual) Network Security Functions is one of the necessary tools for operator=
s and service providers to offer network security functions as a service to=
 their corporate clients.

Here are some examples of network security functions under consideration:

=B7 Firewall

=B7 DDOS/Anti-DOS

=B7 Access control/Authorization/Authentication

=B7 Remote identity management

=B7 Secure Key management

=B7 Intrusion Detection System/ Intrusion Prevention System (IDS/IPS)

The security functions offered by 3rd party need Bi-directional periodic co=
mmunications between the requesters and the providers for policies negotiat=
ion, validation, potentially re-directing traffic to higher level security =
functions, etc. Therefore, the service requires protocol exchange between m=
ultiple entities.

The proposed protocols between requester and provider can be used for the f=
ollowing scenarios:

=B7 A Client requests a set of certain network security functions from a pr=
ovider

=B7 The provider fulfills the request for example, by instantiating an inst=
ance of the service in question, or configures additional rules in an alrea=
dy provisioned service.

OpenStack has done a project on FW as a service:
https://datatracker.ietf.org/doc/draft-dunbar-nsaas-problem-statement/. Her=
e is the highlight of the relationship with OpenStack:

* "Open-source initiatives are not to be considered as an alternative to fo=
rmal standardization processes. On the contrary, they are complementary, wi=
th the former acting as an enabler and accelerator of the latter.
Open-source provides an ideal mechanism to quick prototyping and validating=
 contending proposals, and demonstrating the feasibility of disruptive idea=
s that could otherwise not be considered. In this respect, open-source faci=
litates the engagement in the standardization process of small (and typical=
ly more dynamic) players such as start-ups and research groups, that would =
see better opportunities of being heard and a clearer rewards to their effo=
rts. An open-source approach is extremely useful as well for the production=
 of open reference implementations of the standards at the same (or even fa=
ster) pace they are defined. The availability of such reference implementat=
ions translate into much simpler interoperability and conformance assessmen=
ts for both providers and users, and can become the basis for incremental d=
ifferentiation of a common solution, thus allowing a cooperative competitio=
n ("coopetition") model."*

For additional information, please contact the list administrators.
_______________________________________________
Nfvrg mailing list
Nfvrg@irtf.org<mailto:Nfvrg@irtf.org>
https://www.irtf.org/mailman/listinfo/nfvrg
_______________________________________________
Nfvrg mailing list
Nfvrg@irtf.org<mailto:Nfvrg@irtf.org>
https://www.irtf.org/mailman/listinfo/nfvrg

--
PLEASE NOTE MY NEW EMAIL ADDRESS
"Esta vez no fallaremos, Doctor Infierno"

Dr Diego R. Lopez
Telefonica I+D
http://people.tid.es/diego.lopez/

e-mail: diego.r.lopez@telefonica.com<mailto:diego.r.lopez@telefonica.com>
Tel:    +34 913 129 041
Mobile: +34 682 051 091
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<body 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">Diego,
<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">Can you give a few exampl=
es of &#8220;NFV-Aware interfaces&#8221;?
<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">I would think different t=
ypes of Network functions would need different attributes on the interface.
<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">Linda
<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 #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;"> DIEGO LO=
PEZ GARCIA [mailto:diego.r.lopez@telefonica.com]
<br>
<b>Sent:</b> Saturday, September 27, 2014 5:34 AM<br>
<b>To:</b> Linda Dunbar<br>
<b>Cc:</b> ramki Krishnan; I2NSF@ietf.org; nfvrg@irtf.org<br>
<b>Subject:</b> Re: [Nfvrg] Northbound (service) Interface, API or Programm=
atic Interface?<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal">Hi,<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<p class=3D"MsoNormal">I do not see the difference between an API or a &quo=
t;programmatic interface&quot;, so I'd be happy with both. The point here i=
s where the interface is located and its semantics, that in this case shoul=
d correspond to control and configuration of
 the security functions, with semantics associated with that application sp=
ace. <o:p>
</o:p></p>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">As I see it, this is out of the scope of NFV-aware i=
nterfaces, that are intended to be general to any kind of VNF, and obliviou=
s to the particular functional semantics.<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Be goode,<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<div>
<p class=3D"MsoNormal">On 25 Sep 2014, at 19:56 , Linda Dunbar &lt;<a href=
=3D"mailto:linda.dunbar@huawei.com">linda.dunbar@huawei.com</a>&gt; wrote:<=
o:p></o:p></p>
</div>
<p class=3D"MsoNormal"><br>
<br>
<o:p></o:p></p>
<div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Ramki,</span><span style=
=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;=
"><o:p></o:p></span></p>
</div>
<div>
<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><span style=
=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;=
"><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Since you mentioned &nbsp=
;&#8220; I2NSF is to standardize the northbound (service) interface&#8221;,=
 I would like to reach consensus on those terminologies. &#8220;Northbound&=
#8221; can
 be ambiguous &nbsp;because &#8220;northbound&#8221; to entity A can be sou=
thbound to entity B. So we try to avoid using &#8220;northbound&#8221; in I=
2NSF.</span><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;=
,&quot;sans-serif&quot;"><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">We often heard API as wel=
l in this context. The security functions offered by 3rd party need Bi-dire=
ctional periodic communications among multiple entities
 for policies negotiation, validation, potentially re-directing traffic to =
higher level security functions, etc. Therefore, the service requires progr=
ammatic interfaces or protocol exchange, whereas API is conventionally asso=
ciated with functional calls on
 one system. &nbsp;So in I2NSF, we would like to use &#8220;programmatic in=
terface&#8221;.</span><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;"><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Appreciate other suggesti=
ons to the terminologies.</span><span style=3D"font-size:11.0pt;font-family=
:&quot;Calibri&quot;,&quot;sans-serif&quot;"><o:p></o:p></span></p>
</div>
<div>
<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><span style=
=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;=
"><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Linda</span><span style=
=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;=
"><o:p></o:p></span></p>
</div>
<div>
<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><span style=
=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;=
"><o:p></o:p></span></p>
</div>
<div>
<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><span style=
=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;=
"><o:p></o:p></span></p>
</div>
<div>
<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><span style=
=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;=
"><o:p></o:p></span></p>
</div>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<div>
<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 class=3D"apple-=
converted-space"><span style=3D"font-size:10.0pt;font-family:&quot;Tahoma&q=
uot;,&quot;sans-serif&quot;">&nbsp;</span></span><span style=3D"font-size:1=
0.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">ramki
 Krishnan [<a href=3D"mailto:ramk@Brocade.com"><span style=3D"color:purple"=
>mailto:ramk@Brocade.com</span></a>]<span class=3D"apple-converted-space">&=
nbsp;</span><br>
<b>Sent:</b><span class=3D"apple-converted-space">&nbsp;</span>Wednesday, S=
eptember 24, 2014 7:52 PM<br>
<b>To:</b><span class=3D"apple-converted-space">&nbsp;</span>Linda Dunbar;<=
span class=3D"apple-converted-space">&nbsp;</span><a href=3D"mailto:nfvrg@i=
rtf.org"><span style=3D"color:purple">nfvrg@irtf.org</span></a><br>
<b>Subject:</b><span class=3D"apple-converted-space">&nbsp;</span>RE: I2NSF=
 (was NSaaS) -- Interface to Network Security Functions can be one of the t=
ools for NFVRG</span><span style=3D"font-size:11.0pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;"><o:p></o:p></span></p>
</div>
</div>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Hi Linda,<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Thanks for your note on I2NSF. The work=
 produced by NFVRG is certainly complementary. Also, please keep in mind th=
at NFVRG does not produce any standards.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Based on the charter, it looks like the=
 goal of I2NSF is to standardize the northbound (service) interface of vari=
ous network security functions. Do we need a new protocol
 for this? In my opinion, the information/data model is the critical piece =
of the puzzle.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Thanks,<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Ramki<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">-----Original Message-----<br>
From: Nfvrg [<a href=3D"mailto:nfvrg-bounces@irtf.org"><span style=3D"color=
:purple">mailto:nfvrg-bounces@irtf.org</span></a>] On Behalf Of Linda Dunba=
r<br>
Sent: Wednesday, September 24, 2014 2:46 PM<br>
To:<span class=3D"apple-converted-space">&nbsp;</span><a href=3D"mailto:nfv=
rg@irtf.org"><span style=3D"color:purple">nfvrg@irtf.org</span></a><br>
Subject: [Nfvrg] I2NSF (was NSaaS) -- Interface to Network Security Functio=
ns can be one of the tools for NFVRG<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Based on the feedback that we&#8217;ve =
received on the NSaaS list, we are narrowing down the scope to Interface to=
 Network Security Function (I2NSF). We believe that the I2NSF
 is one of the enabling tools for Network Security as a Service (NSaaS), wh=
ich is a subset of VNF as a Service specified by ETSI NFV Group Specificati=
on Use Cases (gs_NFV001v010101p).<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">We are hoping that work produced by NFV=
RG research group can complement the work to be developed by I2NSF. Here is=
 the detailed description of the narrower scoped I2NSF.
 Appreciate comments and suggestions.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Cheers,&nbsp; Linda Dunbar<o:p></o:p></=
span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">-----Original Message-----<o:p></o:p></=
span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">From: IETF Secretariat [<a href=3D"mail=
to:ietf-secretariat@ietf.org"><span style=3D"color:windowtext;text-decorati=
on:none">mailto:ietf-secretariat@ietf.org</span></a>]<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Sent: Wednesday, September 24, 2014 3:2=
1 PM<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">To: IETF Announcement List<o:p></o:p></=
span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Cc: Linda Dunbar;<span class=3D"apple-c=
onverted-space">&nbsp;</span><a href=3D"mailto:myo.zarny@gs.com"><span styl=
e=3D"color:windowtext;text-decoration:none">myo.zarny@gs.com</span></a>;<sp=
an class=3D"apple-converted-space">&nbsp;</span><a href=3D"mailto:I2NSF@iet=
f.org"><span style=3D"color:windowtext;text-decoration:none">I2NSF@ietf.org=
</span></a><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Subject: New Non-WG Mailing List: I2NSF=
 -- Interface to Network Security Functions mailing list<o:p></o:p></span><=
/p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">A new IETF non-working group email list=
 has been created.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">List address:<span class=3D"apple-conve=
rted-space">&nbsp;</span><a href=3D"mailto:i2nsf@ietf.org"><span style=3D"c=
olor:windowtext;text-decoration:none">i2nsf@ietf.org</span></a><o:p></o:p><=
/span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Archive:<span class=3D"apple-converted-=
space">&nbsp;</span><a href=3D"http://www.ietf.org/mail-archive/web/i2nsf/"=
><span style=3D"color:windowtext;text-decoration:none">http://www.ietf.org/=
mail-archive/web/i2nsf/</span></a><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">To subscribe:<span class=3D"apple-conve=
rted-space">&nbsp;</span><a href=3D"https://www.ietf.org/mailman/listinfo/I=
2NSF"><span style=3D"color:windowtext;text-decoration:none">https://www.iet=
f.org/mailman/listinfo/I2NSF</span></a><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Purpose:<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">The Interface to Network Security Funct=
ions (I2NSF) mailing list is for discussing interfaces for clients (especia=
lly enterprises) to request, negotiate, operate, and/or
 verify the network security functions that are not physically present at r=
equesters&#8217; premises. Those security functions, hosted by service prov=
iders or 3rd parties, can be instantiated on physical appliances, or as vir=
tual machines instantiated on common compute
 server (i.e. the Virtualized Network Functions defined by ETSI NFV).<o:p><=
/o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">The Interface to (Virtual) Network Secu=
rity Functions (I2NSF) initiative aims at improving the dynamic allocation =
and operation of network security functions by documenting
 a global framework that would include protocol-based control and managemen=
t interfaces, along with adequate data models. The information required for=
 the provisioning, the configuration and the operation of network security =
functions will be exchanged through
 the said interfaces and protocols. The I2NSF initiative will also take int=
o account the need for co-existing with legacy configuration and management=
 systems used to allocate and operate network security functions, whether t=
hey are embedded in network devices
 or virtualized in data center environments, for example. The standard Inte=
rface to request, negotiate, allocate, and/or operate (virtual) Network Sec=
urity Functions is one of the necessary tools for operators and service pro=
viders to offer network security
 functions as a service to their corporate clients.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Here are some examples of network secur=
ity functions under consideration:<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">=B7 Firewall<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">=B7 DDOS/Anti-DOS<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">=B7 Access control/Authorization/Authen=
tication<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">=B7 Remote identity management<o:p></o:=
p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">=B7 Secure Key management<o:p></o:p></s=
pan></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">=B7 Intrusion Detection System/ Intrusi=
on Prevention System (IDS/IPS)<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">The security functions offered by 3rd p=
arty need Bi-directional periodic communications between the requesters and=
 the providers for policies negotiation, validation, potentially
 re-directing traffic to higher level security functions, etc. Therefore, t=
he service requires protocol exchange between multiple entities.<o:p></o:p>=
</span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">The proposed protocols between requeste=
r and provider can be used for the following scenarios:<o:p></o:p></span></=
p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">=B7 A Client requests a set of certain =
network security functions from a provider<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">=B7 The provider fulfills the request f=
or example, by instantiating an instance of the service in question, or con=
figures additional rules in an already provisioned service.<o:p></o:p></spa=
n></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">OpenStack has done a project on FW as a=
 service:<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;"><a href=3D"https://datatracker.ietf.org=
/doc/draft-dunbar-nsaas-problem-statement/"><span style=3D"color:windowtext=
;text-decoration:none">https://datatracker.ietf.org/doc/draft-dunbar-nsaas-=
problem-statement/</span></a>.
 Here is the highlight of the relationship with OpenStack:<o:p></o:p></span=
></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">* &#8220;Open-source initiatives are no=
t to be considered as an alternative to formal standardization processes. O=
n the contrary, they are complementary, with the former acting
 as an enabler and accelerator of the latter.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Open-source provides an ideal mechanism=
 to quick prototyping and validating contending proposals, and demonstratin=
g the feasibility of disruptive ideas that could otherwise
 not be considered. In this respect, open-source facilitates the engagement=
 in the standardization process of small (and typically more dynamic) playe=
rs such as start-ups and research groups, that would see better opportuniti=
es of being heard and a clearer
 rewards to their efforts. An open-source approach is extremely useful as w=
ell for the production of open reference implementations of the standards a=
t the same (or even faster) pace they are defined. The availability of such=
 reference implementations translate
 into much simpler interoperability and conformance assessments for both pr=
oviders and users, and can become the basis for incremental differentiation=
 of a common solution, thus allowing a cooperative competition (&#8220;coop=
etition&#8221;) model.&#8221;*<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">For additional information, please cont=
act the list administrators.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">_______________________________________=
________<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Nfvrg mailing list<o:p></o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;"><a href=3D"mailto:Nfvrg@irtf.org"><span=
 style=3D"color:windowtext;text-decoration:none">Nfvrg@irtf.org</span></a><=
o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;"><a href=3D"https://www.irtf.org/mailman=
/listinfo/nfvrg"><span style=3D"color:windowtext;text-decoration:none">http=
s://www.irtf.org/mailman/listinfo/nfvrg</span></a><o:p></o:p></span></p>
</div>
<p class=3D"MsoNormal"><span style=3D"font-size:5.5pt;font-family:&quot;Luc=
idaGrande&quot;,&quot;serif&quot;">________________________________________=
_______<br>
Nfvrg mailing list<br>
<a href=3D"mailto:Nfvrg@irtf.org"><span style=3D"color:purple">Nfvrg@irtf.o=
rg</span></a><br>
<a href=3D"https://www.irtf.org/mailman/listinfo/nfvrg"><span style=3D"colo=
r:purple">https://www.irtf.org/mailman/listinfo/nfvrg</span></a><o:p></o:p>=
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From: Linda Dunbar <linda.dunbar@huawei.com>
To: "I2NSF@ietf.org" <I2NSF@ietf.org>
Thread-Topic: Updated charter for I2NSF
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Based on comments received so far, we have made some changes to the charter=
 for I2NSF. We have requested a non-working BOF at Honolulu IETF.

Charter for Interface to Network Security Functions (I2NSF)

Enterprises are increasingly consuming network functions, especially the ne=
twork security related functions that are not running on their premises.  T=
his shift has occurred for a variety of reasons including greater economies=
 of scale, streamlined delivery mechanisms, and the demand of business and =
applications for more sophisticated security functions that they do not hav=
e. Furthermore, residential and mobile customers are becoming more and more=
 aware of the need for security, just to find that security services are ha=
rd to operate and become expensive in the case of reasonably sophisticated =
ones. This general trend has led numerous operators and security vendors to=
 start considering to leverage cloud based models to deliver security solut=
ions. In particular, the methods around Network Function Virtualization (NF=
V) are meant to facilitate the management of various resources for the bene=
fit of customers, who may not own or physically host those network function=
s. Here are some examples of network security functions under consideration=
:

*       Firewall

*       DDOS/Anti-DOS

*       Access control/Authorization/Authentication

*       Remote identity management

*       Secure Key management

*       Intrusion Detection System/ Intrusion Prevention System (IDS/IPS)

The Interface to (Virtual) Network Security Functions (I2NSF) initiative ai=
ms at improving the dynamic allocation and operation of network security fu=
nctions by documenting a global framework that would include protocol-based=
 control and management interfaces, along with adequate data models. The in=
formation required for the provisioning, the configuration and the operatio=
n of network security functions will be exchanged through the said interfac=
es and protocols.  The I2NSF initiative will also take into account the nee=
d for co-existing with legacy configuration and management systems used to =
allocate and operate network security functions, whether they are embedded =
in network devices or virtualized in environments like data centers. The st=
andard Interface to request/negotiate/allocate/operate (Virtual) Network Se=
curity Functions (I2NSF) is one of the necessary tools for operators and se=
rvice providers to offer network security functions as a service to their c=
lients.
It is envisioned that clients of the I2NSF include management applications,=
 service orchestration systems, network controllers, or user applications t=
hat may solicit network security resources.
The I2NSF working group aims at documenting a high-level architecture that =
will describe the functional building blocks for the dynamic negotiation of=
 security service parameters, the dynamic and subsequent allocation of netw=
ork security resources and the operation of such resources, including means=
 to assess that what has been allocated complies with what has been negotia=
ted. The work to be conducted by the I2NSF WG also includes the documentati=
on of use cases as well as the specification of information and data models=
 that will provide the adequate level of abstraction. In addition, the I2NS=
F WG will analyze candidate protocols that may carry the information to be =
exchanged through the various interfaces (e.g., between a customer and a se=
rvice provider, between the control plane and the data plane, etc.) for the=
 purpose of network security resource negotiation, allocation and operation=
. Small and well-scoped use cases are critical to constrain the scope of th=
e work and achieve sufficient focus for the working group to deliver succes=
sful outcomes.

The intended deliverables will include:

*       Tightly scoped key use cases for operational use of I2NSF

*       Problem statement

*       An analysis of existing IETF and other protocols and encoding
languages against the requirements derived from the problem statement and u=
se case documents.

*       High-level architecture for I2VNSF security policy request/negotiat=
ion/validation

*       Abstract information models consistent with the use cases.



More comments and suggestions are appreciated.

Linda

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<div class=3D"WordSection1">
<p class=3D"MsoNormal">Based on comments received so far, we have made some=
 changes to the charter for I2NSF. We have requested a non-working BOF at H=
onolulu IETF.
<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal" align=3D"center" style=3D"text-align:center"><b>Char=
ter for Interface to Network Security Functions (I2NSF)</b><o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Enterprises are increasingly consuming network funct=
ions, especially the network security related functions that are not runnin=
g on their premises.&nbsp; This shift has occurred for a variety of reasons=
 including greater economies of scale,
 streamlined delivery mechanisms, and the demand of business and applicatio=
ns for more sophisticated security functions that they do not have. Further=
more, residential and mobile customers are becoming more and more aware of =
the need for security, just to find
 that security services are hard to operate and become expensive in the cas=
e of reasonably sophisticated ones. This general trend has led numerous ope=
rators and security vendors to start considering to leverage cloud based mo=
dels to deliver security solutions.
 In particular, the methods around Network Function Virtualization (NFV) ar=
e meant to facilitate the management of various resources for the benefit o=
f customers, who may not own or physically host those network functions. He=
re are some examples of network
 security functions under consideration: <o:p></o:p></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:.8in;text-indent:-.25in;=
mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang=3D"EN-GB" style=3D"font-size:11.0pt;font-fa=
mily:Symbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.=
0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span lang=3D"EN-GB" style=3D"font-size:11.0=
pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">Firewall<o:p></o=
:p></span></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:.8in;text-indent:-.25in;=
mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang=3D"EN-GB" style=3D"font-size:11.0pt;font-fa=
mily:Symbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.=
0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span lang=3D"EN-GB" style=3D"font-size:11.0=
pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">DDOS/Anti-DOS
<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:.8in;text-indent:-.25in;=
mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang=3D"EN-GB" style=3D"font-size:11.0pt;font-fa=
mily:Symbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.=
0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span lang=3D"EN-GB" style=3D"font-size:11.0=
pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">Access control/A=
uthorization/Authentication<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:.8in;text-indent:-.25in;=
mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang=3D"EN-GB" style=3D"font-size:11.0pt;font-fa=
mily:Symbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.=
0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span lang=3D"EN-GB" style=3D"font-size:11.0=
pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">Remote identity =
management<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:.8in;text-indent:-.25in;=
mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang=3D"EN-GB" style=3D"font-size:11.0pt;font-fa=
mily:Symbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.=
0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span lang=3D"EN-GB" style=3D"font-size:11.0=
pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">Secure Key manag=
ement<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:.8in;text-indent:-.25in;=
mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang=3D"EN-GB" style=3D"font-size:11.0pt;font-fa=
mily:Symbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.=
0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span lang=3D"EN-GB" style=3D"font-size:11.0=
pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">Intrusion Detect=
ion System/ Intrusion Prevention System (IDS/IPS)<o:p></o:p></span></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">The Interface to (Virtual) Network Security Function=
s (I2NSF) initiative aims at improving the dynamic allocation and operation=
 of network security functions by documenting a global framework that would=
 include protocol-based control and
 management interfaces, along with adequate data models. The information re=
quired for the provisioning, the configuration and the operation of network=
 security functions will be exchanged through the said interfaces and proto=
cols.&nbsp; The I2NSF initiative will
 also take into account the need for co-existing with legacy configuration =
and management systems used to allocate and operate network security functi=
ons, whether they are embedded in network devices or virtualized in environ=
ments like data centers. The standard
 Interface to request/negotiate/allocate/operate (Virtual) Network Security=
 Functions (I2NSF)&nbsp;is one of the necessary tools for operators and ser=
vice providers to offer network security functions as a service to their cl=
ients.<o:p></o:p></p>
<p class=3D"MsoNormal">It is envisioned that clients of the I2NSF include m=
anagement applications, service orchestration systems, network controllers,=
 or user applications that may solicit network security resources.<o:p></o:=
p></p>
<p class=3D"MsoNormal">The I2NSF working group aims at documenting a high-l=
evel architecture that will describe the functional building blocks for the=
 dynamic negotiation of security service parameters, the dynamic and subseq=
uent allocation of network security
 resources and the operation of such resources, including means to assess t=
hat what has been allocated complies with what has been negotiated. The wor=
k to be conducted by the I2NSF WG also includes the documentation of use ca=
ses as well as the specification
 of information and data models that will provide the adequate level of abs=
traction. In addition, the I2NSF WG will analyze candidate protocols that m=
ay carry the information to be exchanged through the various interfaces (e.=
g., between a customer and a service
 provider, between the control plane and the data plane, etc.) for the purp=
ose of network security resource negotiation, allocation and operation. Sma=
ll and well-scoped use cases are critical to constrain the scope of the wor=
k and achieve sufficient focus for
 the working group to deliver successful outcomes. <o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"color:blue"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal">The intended deliverables will include:<o:p></o:p></=
p>
<p class=3D"MsoListParagraph" style=3D"margin-left:.8in;text-indent:-.25in;=
mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang=3D"EN-GB" style=3D"font-size:11.0pt;font-fa=
mily:Symbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.=
0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span lang=3D"EN-GB" style=3D"font-size:11.0=
pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">Tightly scoped k=
ey use cases for operational use of I2NSF
<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:.8in;text-indent:-.25in;=
mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang=3D"EN-GB" style=3D"font-size:11.0pt;font-fa=
mily:Symbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.=
0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span lang=3D"EN-GB" style=3D"font-size:11.0=
pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">Problem statemen=
t<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:.8in;text-indent:-.25in;=
mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang=3D"EN-GB" style=3D"font-size:11.0pt;font-fa=
mily:Symbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.=
0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span lang=3D"EN-GB" style=3D"font-size:11.0=
pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">An analysis of e=
xisting IETF and other protocols and encoding
<br>
languages against the requirements derived from the problem statement and u=
se case documents.<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:.8in;text-indent:-.25in;=
mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang=3D"EN-GB" style=3D"font-size:11.0pt;font-fa=
mily:Symbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.=
0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span lang=3D"EN-GB" style=3D"font-size:11.0=
pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">High-level archi=
tecture for I2VNSF security policy request/negotiation/validation<o:p></o:p=
></span></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:.8in;text-indent:-.25in;=
mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang=3D"EN-GB" style=3D"font-size:11.0pt;font-fa=
mily:Symbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.=
0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span lang=3D"EN-GB" style=3D"font-size:11.0=
pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">Abstract informa=
tion models consistent with the use cases.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB"><o:p>&nbsp;</o:p></span></p>
<div style=3D"mso-element:para-border-div;border:none;border-bottom:solid w=
indowtext 1.0pt;padding:0in 0in 1.0pt 0in">
<p class=3D"MsoNormal" style=3D"border:none;padding:0in"><o:p>&nbsp;</o:p><=
/p>
</div>
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt"><o:p>&nbsp;</o:p=
></span></b></p>
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt">More comments an=
d suggestions are appreciated.
<o:p></o:p></span></b></p>
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt"><o:p>&nbsp;</o:p=
></span></b></p>
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt">Linda</span></b>=
<o:p></o:p></p>
</div>
</body>
</html>

--_000_4A95BA014132FF49AE685FAB4B9F17F645E0EAA3dfweml701chm_--


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From: Sumandra Majee <S.Majee@F5.com>
To: Linda Dunbar <linda.dunbar@huawei.com>, "Natale, Bob" <RNATALE@mitre.org>
Thread-Topic: [Nfvrg] I2NSF (was NSaaS) -- Interface to Network Security Functions can be one of the tools for NFVRG
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Subject: Re: [I2nsf] [Nfvrg] I2NSF (was NSaaS) -- Interface to Network Security Functions can be one of the tools for NFVRG
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Hi,

I believe it is critical to start working on 1/2 use cases which includes t=
he workflow. Something like,
   If (event X) then
         Install rule Y on FW f1
         Monitor on M1
And so on.

The APIs can be helpful for NFVRG but I don=92t see any direct relation of =
this with VNF.

Regards.

Sumandra

From: Linda Dunbar <linda.dunbar@huawei.com<mailto:linda.dunbar@huawei.com>=
>
Date: Thursday, September 25, 2014 at 9:49 AM
To: "Natale, Bob" <RNATALE@mitre.org<mailto:RNATALE@mitre.org>>
Cc: "nfvrg@irtf.org<mailto:nfvrg@irtf.org>" <nfvrg@irtf.org<mailto:nfvrg@ir=
tf.org>>, "I2NSF@ietf.org<mailto:I2NSF@ietf.org>" <I2NSF@ietf.org<mailto:I2=
NSF@ietf.org>>
Subject: Re: [Nfvrg] I2NSF (was NSaaS) -- Interface to Network Security Fun=
ctions can be one of the tools for NFVRG

Bob,

Thank you very much for the suggestions.
How about this order?

The intended deliverables will include:

=B7       Tightly scoped key use cases for operational use of I2VNSF

=B7       Problem statement

=B7       An analysis of existing IETF and other protocols and encoding
languages against the requirements derived from the problem statement and u=
se case documents.

=B7       High-level architecture for I2VNSF security policy request/negoti=
ation/validation

=B7       Abstract information models consistent with the use cases.


Linda

From: Natale, Bob [mailto:RNATALE@mitre.org]
Sent: Thursday, September 25, 2014 11:38 AM
To: Linda Dunbar
Cc: nfvrg@irtf.org<mailto:nfvrg@irtf.org>; I2NSF@ietf.org<mailto:I2NSF@ietf=
.org>
Subject: RE: I2NSF (was NSaaS) -- Interface to Network Security Functions c=
an be one of the tools for NFVRG

Hi Linda,

Given the (implied) order of your list of intended deliverables below, I be=
lieve that what is currently shown as the last item (analysis of existing I=
ETF and other protocols and encoding languages) should be moved up to at le=
ast the third position (i.e., following the =93Problem statement=94) =85 it=
 could conceivably even occur after the first item (use cases) as a means o=
f further refining  the problem statement a priori.

Avanti,
BobN

From: I2nsf [mailto:i2nsf-bounces@ietf.org] On Behalf Of Linda Dunbar
Sent: Thursday, September 25, 2014 12:05 PM
To: ramki Krishnan; nfvrg@irtf.org<mailto:nfvrg@irtf.org>; I2NSF@ietf.org<m=
ailto:I2NSF@ietf.org>
Subject: Re: [I2nsf] I2NSF (was NSaaS) -- Interface to Network Security Fun=
ctions can be one of the tools for NFVRG

Ramki,

Thank you very much for the feedback.  You point out a very important area =
for the I2NSF work: data model & information model. we=92re informally thin=
king of modeling work going forward on the I2RS working group.

I2NSF aims at documenting a high-level architecture that will describe the =
functional building blocks for the dynamic negotiation of security service =
parameters, the dynamic and subsequent allocation of network security resou=
rces and the operation of such resources, including means to assess that wh=
at has been allocated complies with what has been negotiated. The work to b=
e conducted by the I2NSF WG also includes the documentation of use cases as=
 well as the specification of information and data models that will provide=
 the adequate level of abstraction. In addition, the I2NSF WG will analyze =
candidate protocols that may carry the information to be exchanged through =
the various interfaces (e.g., between a customer and a service provider, be=
tween the control plane and the data plane, etc.) for the purpose of networ=
k security resource negotiation, allocation and operation. Small and well-s=
coped use cases are critical to constrain the scope of the work and achieve=
 sufficient focus for the working group to deliver successful outcomes.

The intended deliverables will include:

=B7       Tightly scoped key use cases for operational use of I2VNSF

=B7       Problem statement

=B7       High-level architecture for I2VNSF security policy request/negoti=
ation/validation

=B7       Abstract information models consistent with the use cases.

=B7       An analysis of existing IETF and other protocols and encoding
languages against the requirements derived from the problem statement and u=
se case documents.


Linda

From: ramki Krishnan [mailto:ramk@Brocade.com]
Sent: Wednesday, September 24, 2014 7:52 PM
To: Linda Dunbar; nfvrg@irtf.org<mailto:nfvrg@irtf.org>
Subject: RE: I2NSF (was NSaaS) -- Interface to Network Security Functions c=
an be one of the tools for NFVRG


Hi Linda,



Thanks for your note on I2NSF. The work produced by NFVRG is certainly comp=
lementary. Also, please keep in mind that NFVRG does not produce any standa=
rds.



Based on the charter, it looks like the goal of I2NSF is to standardize the=
 northbound (service) interface of various network security functions. Do w=
e need a new protocol for this? In my opinion, the information/data model i=
s the critical piece of the puzzle.



Thanks,

Ramki



-----Original Message-----
From: Nfvrg [mailto:nfvrg-bounces@irtf.org] On Behalf Of Linda Dunbar
Sent: Wednesday, September 24, 2014 2:46 PM
To: nfvrg@irtf.org<mailto:nfvrg@irtf.org>
Subject: [Nfvrg] I2NSF (was NSaaS) -- Interface to Network Security Functio=
ns can be one of the tools for NFVRG



Based on the feedback that we=92ve received on the NSaaS list, we are narro=
wing down the scope to Interface to Network Security Function (I2NSF). We b=
elieve that the I2NSF is one of the enabling tools for Network Security as =
a Service (NSaaS), which is a subset of VNF as a Service specified by ETSI =
NFV Group Specification Use Cases (gs_NFV001v010101p).



We are hoping that work produced by NFVRG research group can complement the=
 work to be developed by I2NSF. Here is the detailed description of the nar=
rower scoped I2NSF. Appreciate comments and suggestions.



Cheers,  Linda Dunbar





-----Original Message-----

From: IETF Secretariat [mailto:ietf-secretariat@ietf.org]

Sent: Wednesday, September 24, 2014 3:21 PM

To: IETF Announcement List

Cc: Linda Dunbar; myo.zarny@gs.com<mailto:myo.zarny@gs.com>; I2NSF@ietf.org=
<mailto:I2NSF@ietf.org>

Subject: New Non-WG Mailing List: I2NSF -- Interface to Network Security Fu=
nctions mailing list



A new IETF non-working group email list has been created.



List address: i2nsf@ietf.org<mailto:i2nsf@ietf.org>

Archive: http://www.ietf.org/mail-archive/web/i2nsf/

To subscribe: https://www.ietf.org/mailman/listinfo/I2NSF



Purpose:



The Interface to Network Security Functions (I2NSF) mailing list is for dis=
cussing interfaces for clients (especially enterprises) to request, negotia=
te, operate, and/or verify the network security functions that are not phys=
ically present at requesters=92 premises. Those security functions, hosted =
by service providers or 3rd parties, can be instantiated on physical applia=
nces, or as virtual machines instantiated on common compute server (i.e. th=
e Virtualized Network Functions defined by ETSI NFV).



The Interface to (Virtual) Network Security Functions (I2NSF) initiative ai=
ms at improving the dynamic allocation and operation of network security fu=
nctions by documenting a global framework that would include protocol-based=
 control and management interfaces, along with adequate data models. The in=
formation required for the provisioning, the configuration and the operatio=
n of network security functions will be exchanged through the said interfac=
es and protocols. The I2NSF initiative will also take into account the need=
 for co-existing with legacy configuration and management systems used to a=
llocate and operate network security functions, whether they are embedded i=
n network devices or virtualized in data center environments, for example. =
The standard Interface to request, negotiate, allocate, and/or operate (vir=
tual) Network Security Functions is one of the necessary tools for operator=
s and service providers to offer network security functions as a service to=
 their corporate clients.



Here are some examples of network security functions under consideration:



=B7 Firewall



=B7 DDOS/Anti-DOS



=B7 Access control/Authorization/Authentication



=B7 Remote identity management



=B7 Secure Key management



=B7 Intrusion Detection System/ Intrusion Prevention System (IDS/IPS)



The security functions offered by 3rd party need Bi-directional periodic co=
mmunications between the requesters and the providers for policies negotiat=
ion, validation, potentially re-directing traffic to higher level security =
functions, etc. Therefore, the service requires protocol exchange between m=
ultiple entities.



The proposed protocols between requester and provider can be used for the f=
ollowing scenarios:



=B7 A Client requests a set of certain network security functions from a pr=
ovider



=B7 The provider fulfills the request for example, by instantiating an inst=
ance of the service in question, or configures additional rules in an alrea=
dy provisioned service.



OpenStack has done a project on FW as a service:

https://datatracker.ietf.org/doc/draft-dunbar-nsaas-problem-statement/. Her=
e is the highlight of the relationship with OpenStack:



* =93Open-source initiatives are not to be considered as an alternative to =
formal standardization processes. On the contrary, they are complementary, =
with the former acting as an enabler and accelerator of the latter.

Open-source provides an ideal mechanism to quick prototyping and validating=
 contending proposals, and demonstrating the feasibility of disruptive idea=
s that could otherwise not be considered. In this respect, open-source faci=
litates the engagement in the standardization process of small (and typical=
ly more dynamic) players such as start-ups and research groups, that would =
see better opportunities of being heard and a clearer rewards to their effo=
rts. An open-source approach is extremely useful as well for the production=
 of open reference implementations of the standards at the same (or even fa=
ster) pace they are defined. The availability of such reference implementat=
ions translate into much simpler interoperability and conformance assessmen=
ts for both providers and users, and can become the basis for incremental d=
ifferentiation of a common solution, thus allowing a cooperative competitio=
n (=93coopetition=94) model.=94*



For additional information, please contact the list administrators.

_______________________________________________

Nfvrg mailing list

Nfvrg@irtf.org<mailto:Nfvrg@irtf.org>

https://www.irtf.org/mailman/listinfo/nfvrg

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e-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-fami=
ly: Calibri, sans-serif;">
<div>Hi,</div>
<div><br>
</div>
<div>I believe it is critical to start working on 1/2 use cases which inclu=
des the workflow. Something like,</div>
<div>&nbsp; &nbsp;If (event X) then</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Install rule Y on FW f1</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Monitor on M1</div>
<div>And so on.</div>
<div><br>
</div>
<div>The APIs can be helpful for NFVRG but I don=92t see any direct relatio=
n of this with VNF. &nbsp;</div>
<div><br>
</div>
<div>Regards.</div>
<div><br>
</div>
<div>Sumandra</div>
<div><br>
</div>
<span id=3D"OLK_SRC_BODY_SECTION">
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<span style=3D"font-weight:bold">From: </span>Linda Dunbar &lt;<a href=3D"m=
ailto:linda.dunbar@huawei.com">linda.dunbar@huawei.com</a>&gt;<br>
<span style=3D"font-weight:bold">Date: </span>Thursday, September 25, 2014 =
at 9:49 AM<br>
<span style=3D"font-weight:bold">To: </span>&quot;Natale, Bob&quot; &lt;<a =
href=3D"mailto:RNATALE@mitre.org">RNATALE@mitre.org</a>&gt;<br>
<span style=3D"font-weight:bold">Cc: </span>&quot;<a href=3D"mailto:nfvrg@i=
rtf.org">nfvrg@irtf.org</a>&quot; &lt;<a href=3D"mailto:nfvrg@irtf.org">nfv=
rg@irtf.org</a>&gt;, &quot;<a href=3D"mailto:I2NSF@ietf.org">I2NSF@ietf.org=
</a>&quot; &lt;<a href=3D"mailto:I2NSF@ietf.org">I2NSF@ietf.org</a>&gt;<br>
<span style=3D"font-weight:bold">Subject: </span>Re: [Nfvrg] I2NSF (was NSa=
aS) -- Interface to Network Security Functions can be one of the tools for =
NFVRG<br>
</div>
<div><br>
</div>
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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Bob, <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"><span style=3D"color:#1F497D">Thank you very much fo=
r the suggestions.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">How about this order? =
<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">The intended deliverables will include:<o:p></o:p></=
p>
<p class=3D"MsoListParagraph" style=3D"margin-left:.8in;text-indent:-.25in;=
mso-list:l0 level1 lfo1">
<!--[if !supportLists]--><span lang=3D"EN-GB" style=3D"font-size: 11pt;"><s=
pan style=3D"mso-list:Ignore">=B7<span style=3D"font-style: normal; font-va=
riant: normal; font-weight: normal; font-size: 7pt; line-height: normal; fo=
nt-family: 'Times New Roman';">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><!--[endif]--><span lang=3D"EN-GB" style=3D"font-size:=
 11pt; font-family: Calibri, sans-serif;">Tightly scoped key use cases for =
operational use of I2VNSF
<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:.8in;text-indent:-.25in;=
mso-list:l0 level1 lfo1">
<!--[if !supportLists]--><span lang=3D"EN-GB" style=3D"font-size: 11pt;"><s=
pan style=3D"mso-list:Ignore">=B7<span style=3D"font-style: normal; font-va=
riant: normal; font-weight: normal; font-size: 7pt; line-height: normal; fo=
nt-family: 'Times New Roman';">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><!--[endif]--><span lang=3D"EN-GB" style=3D"font-size:=
 11pt; font-family: Calibri, sans-serif;">Problem statement<o:p></o:p></spa=
n></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:.8in;text-indent:-.25in;=
mso-list:l0 level1 lfo1">
<!--[if !supportLists]--><span lang=3D"EN-GB" style=3D"font-size: 11pt;"><s=
pan style=3D"mso-list:Ignore">=B7<span style=3D"font-style: normal; font-va=
riant: normal; font-weight: normal; font-size: 7pt; line-height: normal; fo=
nt-family: 'Times New Roman';">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><!--[endif]--><span lang=3D"EN-GB" style=3D"font-size:=
 11pt; font-family: Calibri, sans-serif;">An analysis of existing IETF and =
other protocols and encoding
<br>
languages against the requirements derived from the problem statement and u=
se case documents.<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:.8in;text-indent:-.25in;=
mso-list:l0 level1 lfo1">
<!--[if !supportLists]--><span lang=3D"EN-GB" style=3D"font-size: 11pt;"><s=
pan style=3D"mso-list:Ignore">=B7<span style=3D"font-style: normal; font-va=
riant: normal; font-weight: normal; font-size: 7pt; line-height: normal; fo=
nt-family: 'Times New Roman';">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><!--[endif]--><span lang=3D"EN-GB" style=3D"font-size:=
 11pt; font-family: Calibri, sans-serif;">High-level architecture for I2VNS=
F security policy request/negotiation/validation<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:.8in;text-indent:-.25in;=
mso-list:l0 level1 lfo1">
<!--[if !supportLists]--><span lang=3D"EN-GB" style=3D"font-size: 11pt;"><s=
pan style=3D"mso-list:Ignore">=B7<span style=3D"font-style: normal; font-va=
riant: normal; font-weight: normal; font-size: 7pt; line-height: normal; fo=
nt-family: 'Times New Roman';">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><!--[endif]--><span lang=3D"EN-GB" style=3D"font-size:=
 11pt; font-family: Calibri, sans-serif;">Abstract information models consi=
stent with the use cases.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"color:#1F497D"><o:p>&n=
bsp;</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"><span style=3D"color:#1F497D">Linda<o:p></o:p></span=
></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></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: 10pt; font-family: Taho=
ma, sans-serif;">From:</span></b><span style=3D"font-size: 10pt; font-famil=
y: Tahoma, sans-serif;"> Natale, Bob [<a href=3D"mailto:RNATALE@mitre.org">=
mailto:RNATALE@mitre.org</a>]
<br>
<b>Sent:</b> Thursday, September 25, 2014 11:38 AM<br>
<b>To:</b> Linda Dunbar<br>
<b>Cc:</b> <a href=3D"mailto:nfvrg@irtf.org">nfvrg@irtf.org</a>; <a href=3D=
"mailto:I2NSF@ietf.org">
I2NSF@ietf.org</a><br>
<b>Subject:</b> RE: I2NSF (was NSaaS) -- Interface to Network Security Func=
tions can be one of the tools for NFVRG<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:12.0pt;color:#C45911">Hi Li=
nda,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;color:#C45911"><o:p>=
&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;color:#C45911">Given=
 the (implied) order of your list of intended deliverables below, I believe=
 that what is currently shown as the last item (analysis of existing IETF a=
nd other protocols and encoding languages)
 should be moved up to at least the third position (i.e., following the =93=
Problem statement=94) =85 it could conceivably even occur after the first i=
tem (use cases) as a means of further refining &nbsp;the problem statement
<i>a priori</i>.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;color:#C45911"><o:p>=
&nbsp;</o:p></span></p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;color:#C45911">Avant=
i,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;color:#C45911">BobN<=
o:p></o:p></span></p>
</div>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;color:#C45911"><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" style=3D"margin-left:.5in"><b>From:</b> I2nsf [<a hr=
ef=3D"mailto:i2nsf-bounces@ietf.org">mailto:i2nsf-bounces@ietf.org</a>]
<b>On Behalf Of </b>Linda Dunbar<br>
<b>Sent:</b> Thursday, September 25, 2014 12:05 PM<br>
<b>To:</b> ramki Krishnan; <a href=3D"mailto:nfvrg@irtf.org">nfvrg@irtf.org=
</a>; <a href=3D"mailto:I2NSF@ietf.org">
I2NSF@ietf.org</a><br>
<b>Subject:</b> Re: [I2nsf] I2NSF (was NSaaS) -- Interface to Network Secur=
ity Functions can be one of the tools for NFVRG<o:p></o:p></p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D">Ramki, <o:p>
</o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D">Thank you very much for the feedback. &nbsp;You point out a very impor=
tant area for the I2NSF work: data model &amp; information model. we=92re i=
nformally thinking of modeling work going forward
 on the I2RS working group. <o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D">I2NSF aims at documenting a high-level architecture that will describe=
 the functional building blocks for the dynamic negotiation of security ser=
vice parameters, the dynamic and subsequent
 allocation of network security resources and the operation of such resourc=
es, including means to assess that what has been allocated complies with wh=
at has been negotiated. The work to be conducted by the I2NSF WG also inclu=
des the documentation of use cases
 as well as the specification of information and data models that will prov=
ide the adequate level of abstraction. In addition, the I2NSF WG will analy=
ze candidate protocols that may carry the information to be exchanged throu=
gh the various interfaces (e.g.,
 between a customer and a service provider, between the control plane and t=
he data plane, etc.) for the purpose of network security resource negotiati=
on, allocation and operation. Small and well-scoped use cases are critical =
to constrain the scope of the work
 and achieve sufficient focus for the working group to deliver successful o=
utcomes.
<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D">The intended deliverables will include:<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:1.0in;text-indent:-.25in=
"><span style=3D"color: rgb(31, 73, 125);">=B7</span><span style=3D"font-si=
ze:7.0pt;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span><span style=3D"font-family: Calibri, sans-serif; color: rgb(31, 73, =
125);">Tightly scoped key use cases for operational use of I2VNSF
<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:1.0in;text-indent:-.25in=
"><span style=3D"color: rgb(31, 73, 125);">=B7</span><span style=3D"font-si=
ze:7.0pt;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span><span style=3D"font-family: Calibri, sans-serif; color: rgb(31, 73, =
125);">Problem statement<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:1.0in;text-indent:-.25in=
"><span style=3D"color: rgb(31, 73, 125);">=B7</span><span style=3D"font-si=
ze:7.0pt;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span><span style=3D"font-family: Calibri, sans-serif; color: rgb(31, 73, =
125);">High-level architecture for I2VNSF security policy request/negotiati=
on/validation<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:1.0in;text-indent:-.25in=
"><span style=3D"color: rgb(31, 73, 125);">=B7</span><span style=3D"font-si=
ze:7.0pt;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span><span style=3D"font-family: Calibri, sans-serif; color: rgb(31, 73, =
125);">Abstract information models consistent with the use cases.<o:p></o:p=
></span></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:1.0in;text-indent:-.25in=
"><span style=3D"color: rgb(31, 73, 125);">=B7</span><span style=3D"font-si=
ze:7.0pt;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span><span style=3D"font-family: Calibri, sans-serif; color: rgb(31, 73, =
125);">An analysis of existing IETF and other protocols and encoding
<br>
languages against the requirements derived from the problem statement and u=
se case documents.<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D">Linda<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D"><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" style=3D"margin-left:.5in"><b><span style=3D"font-si=
ze: 10pt; font-family: Tahoma, sans-serif;">From:</span></b><span style=3D"=
font-size: 10pt; font-family: Tahoma, sans-serif;"> ramki Krishnan [<a href=
=3D"mailto:ramk@Brocade.com">mailto:ramk@Brocade.com</a>]
<br>
<b>Sent:</b> Wednesday, September 24, 2014 7:52 PM<br>
<b>To:</b> Linda Dunbar; <a href=3D"mailto:nfvrg@irtf.org">nfvrg@irtf.org</=
a><br>
<b>Subject:</b> RE: I2NSF (was NSaaS) -- Interface to Network Security Func=
tions can be one of the tools for NFVRG<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Hi Linda,<o:p></o:p></=
p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Thanks for your note o=
n I2NSF. The work produced by NFVRG is certainly complementary. Also, pleas=
e keep in mind that NFVRG does not produce any standards.<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Based on the charter, =
it looks like the goal of I2NSF is to standardize the northbound (service) =
interface of various network security functions. Do we need a new protocol =
for this? In my opinion, the information/data
 model is the critical piece of the puzzle.<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Thanks,<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Ramki<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">-----Original Message-=
----<br>
From: Nfvrg [<a href=3D"mailto:nfvrg-bounces@irtf.org">mailto:nfvrg-bounces=
@irtf.org</a>] On Behalf Of Linda Dunbar<br>
Sent: Wednesday, September 24, 2014 2:46 PM<br>
To: <a href=3D"mailto:nfvrg@irtf.org">nfvrg@irtf.org</a><br>
Subject: [Nfvrg] I2NSF (was NSaaS) -- Interface to Network Security Functio=
ns can be one of the tools for NFVRG<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Based on the feedback =
that we=92ve received on the NSaaS list, we are narrowing down the scope to=
 Interface to Network Security Function (I2NSF). We believe that the I2NSF =
is one of the enabling tools for Network
 Security as a Service (NSaaS), which is a subset of VNF as a Service speci=
fied by ETSI NFV Group Specification Use Cases (gs_NFV001v010101p).
<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">We are hoping that wor=
k produced by NFVRG research group can complement the work to be developed =
by I2NSF. Here is the detailed description of the narrower scoped I2NSF. Ap=
preciate comments and suggestions.
<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Cheers,&nbsp; Linda Du=
nbar<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">-----Original Message-=
----<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">From: IETF Secretariat=
 [<a href=3D"mailto:ietf-secretariat@ietf.org"><span style=3D"color:windowt=
ext;text-decoration:none">mailto:ietf-secretariat@ietf.org</span></a>]
<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Sent: Wednesday, Septe=
mber 24, 2014 3:21 PM<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">To: IETF Announcement =
List<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Cc: Linda Dunbar; <a h=
ref=3D"mailto:myo.zarny@gs.com">
<span style=3D"color:windowtext;text-decoration:none">myo.zarny@gs.com</spa=
n></a>; <a href=3D"mailto:I2NSF@ietf.org">
<span style=3D"color:windowtext;text-decoration:none">I2NSF@ietf.org</span>=
</a><o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Subject: New Non-WG Ma=
iling List: I2NSF -- Interface to Network Security Functions mailing list<o=
:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">A new IETF non-working=
 group email list has been created.<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">List address: <a href=
=3D"mailto:i2nsf@ietf.org">
<span style=3D"color:windowtext;text-decoration:none">i2nsf@ietf.org</span>=
</a><o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Archive: <a href=3D"ht=
tp://www.ietf.org/mail-archive/web/i2nsf/">
<span style=3D"color:windowtext;text-decoration:none">http://www.ietf.org/m=
ail-archive/web/i2nsf/</span></a><o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">To subscribe: <a href=
=3D"https://www.ietf.org/mailman/listinfo/I2NSF">
<span style=3D"color:windowtext;text-decoration:none">https://www.ietf.org/=
mailman/listinfo/I2NSF</span></a><o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Purpose:<o:p></o:p></p=
>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">The Interface to Netwo=
rk Security Functions (I2NSF) mailing list is for discussing interfaces for=
 clients (especially enterprises) to request, negotiate, operate, and/or ve=
rify the network security functions
 that are not physically present at requesters=92 premises. Those security =
functions, hosted by service providers or 3rd parties, can be instantiated =
on physical appliances, or as virtual machines instantiated on common compu=
te server (i.e. the Virtualized Network
 Functions defined by ETSI NFV). <o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">The Interface to (Virt=
ual) Network Security Functions (I2NSF) initiative aims at improving the dy=
namic allocation and operation of network security functions by documenting=
 a global framework that would include
 protocol-based control and management interfaces, along with adequate data=
 models. The information required for the provisioning, the configuration a=
nd the operation of network security functions will be exchanged through th=
e said interfaces and protocols.
 The I2NSF initiative will also take into account the need for co-existing =
with legacy configuration and management systems used to allocate and opera=
te network security functions, whether they are embedded in network devices=
 or virtualized in data center environments,
 for example. The standard Interface to request, negotiate, allocate, and/o=
r operate (virtual) Network Security Functions is one of the necessary tool=
s for operators and service providers to offer network security functions a=
s a service to their corporate clients.
<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Here are some examples=
 of network security functions under consideration:
<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">=B7 Firewall <o:p></o:=
p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">=B7 DDOS/Anti-DOS <o:p=
></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">=B7 Access control/Aut=
horization/Authentication
<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">=B7 Remote identity ma=
nagement <o:p>
</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">=B7 Secure Key managem=
ent <o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">=B7 Intrusion Detectio=
n System/ Intrusion Prevention System (IDS/IPS)
<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">The security functions=
 offered by 3rd party need Bi-directional periodic communications between t=
he requesters and the providers for policies negotiation, validation, poten=
tially re-directing traffic to higher
 level security functions, etc. Therefore, the service requires protocol ex=
change between multiple entities.
<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">The proposed protocols=
 between requester and provider can be used for the following scenarios:
<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">=B7 A Client requests =
a set of certain network security functions from a provider
<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">=B7 The provider fulfi=
lls the request for example, by instantiating an instance of the service in=
 question, or configures additional rules in an already provisioned service=
.
<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">OpenStack has done a p=
roject on FW as a service:
<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><a href=3D"https://dat=
atracker.ietf.org/doc/draft-dunbar-nsaas-problem-statement/"><span style=3D=
"color:windowtext;text-decoration:none">https://datatracker.ietf.org/doc/dr=
aft-dunbar-nsaas-problem-statement/</span></a>.
 Here is the highlight of the relationship with OpenStack: <o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">* =93Open-source initi=
atives are not to be considered as an alternative to formal standardization=
 processes. On the contrary, they are complementary, with the former acting=
 as an enabler and accelerator of the
 latter. <o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Open-source provides a=
n ideal mechanism to quick prototyping and validating contending proposals,=
 and demonstrating the feasibility of disruptive ideas that could otherwise=
 not be considered. In this respect,
 open-source facilitates the engagement in the standardization process of s=
mall (and typically more dynamic) players such as start-ups and research gr=
oups, that would see better opportunities of being heard and a clearer rewa=
rds to their efforts. An open-source
 approach is extremely useful as well for the production of open reference =
implementations of the standards at the same (or even faster) pace they are=
 defined. The availability of such reference implementations translate into=
 much simpler interoperability and
 conformance assessments for both providers and users, and can become the b=
asis for incremental differentiation of a common solution, thus allowing a =
cooperative competition (=93coopetition=94) model.=94*
<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">For additional informa=
tion, please contact the list administrators.<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">______________________=
_________________________<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Nfvrg mailing list<o:p=
></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><a href=3D"mailto:Nfvr=
g@irtf.org"><span style=3D"color:windowtext;text-decoration:none">Nfvrg@irt=
f.org</span></a><o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><a href=3D"https://www=
.irtf.org/mailman/listinfo/nfvrg"><span style=3D"color:windowtext;text-deco=
ration:none">https://www.irtf.org/mailman/listinfo/nfvrg</span></a><o:p></o=
:p></p>
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