
From nobody Sun May  3 00:21:03 2020
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Subject: [Pce] I-D was expired <draft-ietf-lsr-pce-discovery-security-support-03.txt>
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<draft-ietf-lsr-pce-discovery-security-support-03.txt> was just expired.
This draft is in the state "I-D Exists" in the Datatracker.


Thanks,
IETF Secretariat.



From nobody Tue May  5 08:37:10 2020
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From: Dhruv Dhody <dhruv.ietf@gmail.com>
Date: Tue, 5 May 2020 21:06:15 +0530
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Subject: [Pce] Fwd: Reminder: Survey on planning for possible online IETF meetings
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Hi WG,

Apologies if you have already seen this in other mailing lists. For
those who have not, please take the survey below and provide your
inputs on the planning of future online/virtual IETF meeting.

Thanks & stay safe!
Dhruv

---------- Forwarded message ---------
From: IETF Executive Director <exec-director@ietf.org>
Date: Mon, May 4, 2020 at 12:34 PM
Subject: Reminder: Survey on planning for possible online IETF meetings
To: IETF Announcement List <ietf-announce@ietf.org>


This is a reminder that we need the IETF community to help us plan for
the possibility that one or more upcoming IETF meetings in 2020 and
possibly 2021 may not be able to go ahead in person.  You can help us
with this by filling out the following survey:

        https://www.surveymonkey.com/r/5328FFJ

So far we have 114 responses and we would ideally like 500 or more.

The survey contains the following pages and will take 15-20 minutes to complete:

1. Welcome
2. Online IETF 107 and the subsequent virtual interims
3. Replacing a cancelled in-person meeting
4. Online meeting format and timezone
5. Replicating humming
6. Replicating the hallway environment
7. Fees
8. Thanks and anything else

We run the survey in anonymous mode which means that we only see data
that you explicitly provide.

Thank you in advance for your help.

--
Alissa Cooper, IETF Chair
Jay Daley, IETF Executive Director
Colin Perkins, IRTF Chair

_______________________________________________
IETF-Announce mailing list
IETF-Announce@ietf.org
https://www.ietf.org/mailman/listinfo/ietf-announce


From nobody Tue May  5 09:38:46 2020
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Subject: Re: [Pce] Early code point allocation for draft-ietf-pce-association-policy
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Hi all,

As we have not received any objection, we consider that we have a
consensus on this early codepoint allocation. We are thus going to
proceed with the request.

Cheers,

Dhruv & Julien


On 22/04/2020 19:07, Dhruv Dhody wrote:
> Hi WG,
>
> We have received a request from the authors of
> draft-ietf-pce-association-policy for an early code point allocation.
>
> RFC 7120 requires to meet the following criteria to proceed:
>
>    b.  The format, semantics, processing, and other rules related to
>        handling the protocol entities defined by the code points
>        (henceforth called "specifications") must be adequately described
>        in an Internet-Draft.
>    c.  The specifications of these code points must be stable; i.e., if
>        there is a change, implementations based on the earlier and later
>        specifications must be seamlessly interoperable.
>
> If anyone believes that the draft does not meet these criteria, or
> believes that early allocation is not appropriate for any other
> reason, please send an email to the PCE mailing list explaining the
> reasons.  If the chairs hear no objections by next Friday, May 1st, we
> will kick off the early allocation request.
>
> Best regards and stay safe,
>
> Dhruv & Julien
>


_________________________________________________________________________________________________________________________

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From nobody Fri May  8 19:13:27 2020
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Subject: [Pce] I-D Action: draft-ietf-pce-sr-path-segment-01.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Path Computation Element WG of the IETF.

        Title           : Path Computation Element Communication Protocol (PCEP) Extension for Path Segment in Segment Routing (SR)
        Authors         : Cheng Li
                          Mach(Guoyi) Chen
                          Weiqiang Cheng
                          Rakesh Gandhi
                          Quan Xiong
	Filename        : draft-ietf-pce-sr-path-segment-01.txt
	Pages           : 26
	Date            : 2020-05-08

Abstract:
   The Path Computation Element (PCE) provides path computation
   functions in support of traffic engineering in Multiprotocol Label
   Switching (MPLS) and Generalized MPLS (GMPLS) networks.

   The Source Packet Routing in Networking (SPRING) architecture
   describes how Segment Routing (SR) can be used to steer packets
   through an IPv6 or MPLS network using the source routing paradigm.  A
   Segment Routed Path can be derived from a variety of mechanisms,
   including an IGP Shortest Path Tree (SPT), explicit configuration, or
   a Path Computation Element (PCE).

   Path identification is needed for several use cases such as
   performance measurement in Segment Routing (SR) network.  This
   document specifies extensions to the Path Computation Element
   Communication Protocol (PCEP) to support requesting, replying,
   reporting and updating the Path Segment ID (Path SID) between PCEP
   speakers.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-pce-sr-path-segment/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-pce-sr-path-segment-01
https://datatracker.ietf.org/doc/html/draft-ietf-pce-sr-path-segment-01

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-sr-path-segment-01


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/



From nobody Fri May  8 19:16:43 2020
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From: huruizhao <huruizhao@huawei.com>
To: "pce@ietf.org" <pce@ietf.org>, "draft-koldychev-pce-multipath@ietf.org" <draft-koldychev-pce-multipath@ietf.org>
CC: Lihanlin <lihanlin@huawei.com>, Tanren <tanren@huawei.com>, "Chengli (Cheng Li)" <chengli13@huawei.com>
Thread-Topic: Change Path Attrubute Object to a Sub-object
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Date: Mon, 11 May 2020 10:35:23 +0000
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Subject: [Pce] Change Path Attrubute Object to a Sub-object
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--_000_4550B012882B0A4482C132CAB19DDA59057FA130dggemi529mbschi_
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Hi authors,

   In the section 4.2 of [draft-koldychev-pce-multipath-01], Path Attribute=
 Object is defined as a new object that is used to carry per-path informati=
on and to act as a separator between several ERO/RRO objects.
   The newly defined object describes the attributes of the ERO object (pat=
h ID, Multipath Weight TLV, Multipath Backup TLV). Therefore, we recommend =
changing it to a Sub-object carried in the ERO / RRO object. This way can m=
ake the information in the ERO object centralized and complete. And from an=
 implementation perspective, this approach can avoid the operational comple=
xity when dealing with the pairing of Path Attribute Object and ERO Object.
    If you have other considerations, please contact me. Thanks.


Best Regards,
Ruizhao.

--_000_4550B012882B0A4482C132CAB19DDA59057FA130dggemi529mbschi_
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<p class=3D"MsoNormal" align=3D"left" style=3D"text-align:left;text-autospa=
ce:none"><span lang=3D"X-NONE" style=3D"font-size:15.0pt;font-family:&quot;=
Times New Roman&quot;,serif">Hi authors,<o:p></o:p></span></p>
<p class=3D"MsoNormal" align=3D"left" style=3D"text-align:left;text-autospa=
ce:none"><span lang=3D"X-NONE" style=3D"font-size:15.0pt;font-family:&quot;=
Times New Roman&quot;,serif"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" align=3D"left" style=3D"text-align:left;text-autospa=
ce:none"><span lang=3D"X-NONE" style=3D"font-size:15.0pt;font-family:&quot;=
Times New Roman&quot;,serif">&nbsp;&nbsp; In the section 4.2 of [<u><span s=
tyle=3D"color:blue">draft-koldychev-pce-multipath-01</span></u>],
 Path Attribute Object is defined as a new object that is used to carry per=
-path information and to act as a separator between several ERO/RRO objects=
.
<o:p></o:p></span></p>
<p class=3D"MsoNormal" align=3D"left" style=3D"text-align:left;text-autospa=
ce:none"><span lang=3D"X-NONE" style=3D"font-size:15.0pt;font-family:&quot;=
Times New Roman&quot;,serif">&nbsp;&nbsp;&nbsp;The newly defined object des=
cribes the attributes of the ERO object (path ID, Multipath Weight
 TLV, Multipath Backup TLV). Therefore, we recommend changing it to a <span=
 style=3D"color:maroon">
Sub-object</span> carried in the ERO / RRO object. This way can make the in=
formation in the ERO object centralized and complete. And from an implement=
ation perspective, this approach can avoid the operational complexity when =
dealing with the pairing of Path
 Attribute Object and ERO Object.<o:p></o:p></span></p>
<p class=3D"MsoNormal" align=3D"left" style=3D"text-align:left;text-autospa=
ce:none"><span lang=3D"X-NONE" style=3D"font-size:15.0pt;font-family:&quot;=
Times New Roman&quot;,serif">&nbsp;&nbsp;&nbsp; If you have other considera=
tions, please contact me. Thanks.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" align=3D"left" style=3D"text-align:left;text-autospa=
ce:none"><span lang=3D"X-NONE" style=3D"font-size:15.0pt;font-family:&quot;=
Times New Roman&quot;,serif">Best Regards,<o:p></o:p></span></p>
<p class=3D"MsoNormal" align=3D"left" style=3D"text-align:left;text-autospa=
ce:none"><span lang=3D"X-NONE" style=3D"font-size:15.0pt;font-family:&quot;=
Times New Roman&quot;,serif">Ruizhao.<o:p></o:p></span></p>
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From: "Stone, Andrew (Nokia - CA/Ottawa)" <andrew.stone@nokia.com>
To: huruizhao <huruizhao@huawei.com>, "pce@ietf.org" <pce@ietf.org>, "draft-koldychev-pce-multipath@ietf.org" <draft-koldychev-pce-multipath@ietf.org>
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Thread-Topic: [Pce] Change Path Attrubute Object to a Sub-object
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Subject: Re: [Pce] Change Path Attrubute Object to a Sub-object
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From: "Mike Koldychev (mkoldych)" <mkoldych@cisco.com>
To: "Stone, Andrew (Nokia - CA/Ottawa)" <andrew.stone@nokia.com>, huruizhao <huruizhao@huawei.com>, "pce@ietf.org" <pce@ietf.org>, "draft-koldychev-pce-multipath@ietf.org" <draft-koldychev-pce-multipath@ietf.org>
CC: Lihanlin <lihanlin@huawei.com>, Tanren <tanren@huawei.com>
Thread-Topic: [Pce] Change Path Attrubute Object to a Sub-object
Thread-Index: AQHWKGohfSDQuYjWlkWLEwUx/xZ5Y6ikh8EA
Date: Tue, 12 May 2020 15:49:42 +0000
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References: <7A73983B-25EC-4F23-976D-587313D51A8A@nokia.com>
In-Reply-To: <7A73983B-25EC-4F23-976D-587313D51A8A@nokia.com>
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From: Dhruv Dhody <dhruv.ietf@gmail.com>
Date: Fri, 15 May 2020 22:57:55 +0530
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To: draft-ietf-pce-association-policy@ietf.org, pce@ietf.org
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Subject: Re: [Pce] Early code point allocation for draft-ietf-pce-association-policy
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Hi Authors, WG,

Please note that the early allocation for this I-D has been done by the IANA -

https://www.iana.org/assignments/pcep/pcep.xhtml#association-type-field
https://www.iana.org/assignments/pcep/pcep.xhtml#pcep-tlv-type-indicators

Stay safe and have a good weekend!

Thanks,
Dhruv & Julien

On Tue, May 5, 2020 at 10:08 PM <julien.meuric@orange.com> wrote:
>
> Hi all,
>
> As we have not received any objection, we consider that we have a
> consensus on this early codepoint allocation. We are thus going to
> proceed with the request.
>
> Cheers,
>
> Dhruv & Julien
>
>
> On 22/04/2020 19:07, Dhruv Dhody wrote:
> > Hi WG,
> >
> > We have received a request from the authors of
> > draft-ietf-pce-association-policy for an early code point allocation.
> >
> > RFC 7120 requires to meet the following criteria to proceed:
> >
> >    b.  The format, semantics, processing, and other rules related to
> >        handling the protocol entities defined by the code points
> >        (henceforth called "specifications") must be adequately described
> >        in an Internet-Draft.
> >    c.  The specifications of these code points must be stable; i.e., if
> >        there is a change, implementations based on the earlier and later
> >        specifications must be seamlessly interoperable.
> >
> > If anyone believes that the draft does not meet these criteria, or
> > believes that early allocation is not appropriate for any other
> > reason, please send an email to the PCE mailing list explaining the
> > reasons.  If the chairs hear no objections by next Friday, May 1st, we
> > will kick off the early allocation request.
> >
> > Best regards and stay safe,
> >
> > Dhruv & Julien
> >
>
>
> _________________________________________________________________________________________________________________________
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From: Dhruv Dhody <dhruv.ietf@gmail.com>
Date: Sat, 16 May 2020 11:34:57 +0530
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Subject: [Pce] Fwd: [Teas] WG Last Call: draft-ietf-teas-pce-native-ip-06
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Hi PCE WG,

Please be aware of the ongoing WG LC for
draft-ietf-teas-pce-native-ip-06 [1] in the TEAS WG. Please review the
I-D in relationship to the PCEP extension described in the PCE WG I-D
- draft-ietf-pce-pcep-extension-native-ip [2]

Any comments/discussion for the TEAS I-D should take place in the TEAS
mailing list [3].

Stay safe and enjoy the weekend!

Dhruv & Julien

[1] https://datatracker.ietf.org/doc/draft-ietf-teas-pce-native-ip/06/
[2] https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-extension-native-ip/
[3] mailto:teas@ietf.org
---------- Forwarded message ---------
From: Lou Berger <lberger@labn.net>
Date: Sat, May 16, 2020 at 12:28 AM
Subject: [Teas] WG Last Call: draft-ietf-teas-pce-native-ip-06
To: TEAS WG <teas@ietf.org>


All,

This starts a two-week working group last call for
draft-ietf-teas-pce-native-ip-06

NOTE: IPR has been disclosed -- see
https://datatracker.ietf.org/ipr/search/?submit=draft&id=draft-ietf-teas-pce-native-ip

The working group last call ends on May 29.
Please send your comments to the working group mailing list.

Positive comments, e.g., "I've reviewed this document
and believe it is ready for publication", are welcome!
This is useful and important, even from authors.

Thank you,
Lou (TEAS Co-Chair & doc Shepherd)

_______________________________________________
Teas mailing list
Teas@ietf.org
https://www.ietf.org/mailman/listinfo/teas


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From: huruizhao <huruizhao@huawei.com>
To: "pce@ietf.org" <pce@ietf.org>, "draft-barth-pce-segment-routing-policy-cp@ietf.org" <draft-barth-pce-segment-routing-policy-cp@ietf.org>
CC: Lihanlin <lihanlin@huawei.com>, Tanren <tanren@huawei.com>
Thread-Topic: Please confirm whose name the SR Policy Name TLV carries in the draft
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Subject: [Pce] Please confirm whose name the SR Policy Name TLV carries in the draft
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--_000_4550B012882B0A4482C132CAB19DDA5905813553dggemi529mbschi_
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Hi authors,
  In the section 5.2 of [draft-barth-pce-segment-routing-policy-cp-05], SR =
Policy Name TLV is defined to carry Policy name. Policy name and Candidate =
Path name have different definitions in [draft-ietf-spring-segment-routing-=
policy-06#section 2.1/2.6]. And there MAY be ambiguity here, I think this T=
LV carries name to Candidate Path instead of name to Policy.  The reasons a=
re :

(1) There are multiple sources for the SR Policy of the head node. There wi=
ll be multiple different Names to the same Policy if the PCE is allowed to =
deliver the Policy Name, which is difficult to manage.
(2) In [draft-ietf-idr-segment-routing-te-policy-08#section-2.4.6],  the dr=
aft clearly states "the Policy Name sub-TLV to attach a symbolic name to th=
e SR Policy candidate path". The realization of BGP for SR Policy has refer=
ence value for PCEP.

  Please confirm whose name the SR Policy Name TLV carries in the draft.

Kind regards,
Ruizhao


--_000_4550B012882B0A4482C132CAB19DDA5905813553dggemi529mbschi_
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<p class=3D"MsoNormal"><span lang=3D"X-NONE">Hi authors,<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal"><span lang=3D"X-NONE">&nbsp; In the section 5.2 of [=
draft-barth-pce-segment-routing-policy-cp-05], SR Policy Name TLV is define=
d to carry Policy name.
<b>Policy name and</b> <b>Candidate Path name</b> have different definition=
s in [draft-ietf-spring-segment-routing-policy-06#section 2.1/2.6]. And the=
re MAY be ambiguity here, I think this TLV carries name to Candidate Path i=
nstead of name to Policy.&nbsp; The reasons
 are :<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"X-NONE"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-indent:10.5pt"><span lang=3D"X-NONE">(=
1) There are multiple sources for the SR Policy of the head node. There wil=
l be multiple different Names to the same Policy if the PCE is allowed to d=
eliver the Policy Name, which is difficult
 to manage.<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-indent:10.5pt"><span lang=3D"X-NONE">(=
2) In [draft-ietf-idr-segment-routing-te-policy-08#section-2.4.6],&nbsp; th=
e draft clearly states &quot;the Policy Name sub-TLV to attach a symbolic n=
ame to the SR Policy<b> candidate path</b>&quot;. The
 realization of BGP for SR Policy has reference value for PCEP.<o:p></o:p><=
/span></p>
<p class=3D"MsoNormal" style=3D"text-indent:10.5pt"><span lang=3D"X-NONE"><=
o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"X-NONE">&nbsp; Please confirm whose na=
me the SR Policy Name TLV carries in the draft.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"X-NONE"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"X-NONE"></span><span lang=3D"EN-US">Ki=
nd regards,<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-indent:5.25pt"><span lang=3D"EN-US">Ru=
izhao<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"X-NONE"><o:p>&nbsp;</o:p></span></p>
</div>
</body>
</html>

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From: "Mike Koldychev (mkoldych)" <mkoldych@cisco.com>
To: huruizhao <huruizhao@huawei.com>, "pce@ietf.org" <pce@ietf.org>, "draft-barth-pce-segment-routing-policy-cp@ietf.org" <draft-barth-pce-segment-routing-policy-cp@ietf.org>
CC: Lihanlin <lihanlin@huawei.com>, Tanren <tanren@huawei.com>
Thread-Topic: Please confirm whose name the SR Policy Name TLV carries in the draft
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Date: Tue, 19 May 2020 14:17:31 +0000
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Subject: Re: [Pce] Please confirm whose name the SR Policy Name TLV carries in the draft
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Hi Ruizhao,

The intent of SRPOLICY-POL-NAME TLV is to carry the *policy* name. We didn'=
t define a TLV to carry the CPATH name in this draft, we assumed the PCEP s=
ymbolic-name can be used for that purpose. If required, we can definitely a=
dd another TLV to carry the CPATH name, if you want it to be separate from =
the PCEP symbolic name.

Regarding your points:

  1.  It is true that different CPATHs of the same policy can potentially c=
ontain different policy-name values. To ease debugging, it's much easier if=
 all CPATHs of the same policy have the same policy-name. Regardless, polic=
y-name is useful because the SR Policy Architecture does say that the polic=
y-name (or names) MAY be used to identify an SR Policy. So we need to have =
a way to encode the policy-name(s) in PCEP.

2.1<https://tools.ietf.org/html/draft-ietf-spring-segment-routing-policy-07=
#section-2.1>.  Identification of an SR Policy

...

   An implementation MAY allow assignment of a symbolic name comprising

   of printable ASCII characters to an SR Policy to serve as a user-

   friendly attribute for debug and troubleshooting purposes.  Such

   symbolic names may identify an SR Policy when the naming scheme

   ensures uniqueness.



  1.  I will follow up with the authors of the IDR draft to clarify that th=
ere are two names: policy-name and cpath-name. I believe the wording needs =
to be corrected.

Thanks,
Mike.

From: huruizhao <huruizhao@huawei.com>
Sent: Monday, May 18, 2020 10:08 PM
To: pce@ietf.org; draft-barth-pce-segment-routing-policy-cp@ietf.org
Cc: Lihanlin <lihanlin@huawei.com>; Tanren <tanren@huawei.com>
Subject: Please confirm whose name the SR Policy Name TLV carries in the dr=
aft

Hi authors,
  In the section 5.2 of [draft-barth-pce-segment-routing-policy-cp-05], SR =
Policy Name TLV is defined to carry Policy name. Policy name and Candidate =
Path name have different definitions in [draft-ietf-spring-segment-routing-=
policy-06#section 2.1/2.6]. And there MAY be ambiguity here, I think this T=
LV carries name to Candidate Path instead of name to Policy.  The reasons a=
re :

(1) There are multiple sources for the SR Policy of the head node. There wi=
ll be multiple different Names to the same Policy if the PCE is allowed to =
deliver the Policy Name, which is difficult to manage.
(2) In [draft-ietf-idr-segment-routing-te-policy-08#section-2.4.6],  the dr=
aft clearly states "the Policy Name sub-TLV to attach a symbolic name to th=
e SR Policy candidate path". The realization of BGP for SR Policy has refer=
ence value for PCEP.

  Please confirm whose name the SR Policy Name TLV carries in the draft.

Kind regards,
Ruizhao


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</head>
<body lang=3D"EN-US" link=3D"#0563C1" vlink=3D"#954F72" style=3D"text-justi=
fy-trim:punctuation">
<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt">Hi Ruizhao,<o:p></o=
:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt"><o:p>&nbsp;</o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt">The intent of SRPOL=
ICY-POL-NAME TLV is to carry the *<b>policy</b>* name. We didn&#8217;t defi=
ne a TLV to carry the CPATH name in this draft, we assumed the PCEP symboli=
c-name can be used for that purpose. If required,
 we can definitely add another TLV to carry the CPATH name, if you want it =
to be separate from the PCEP symbolic name.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt"><o:p>&nbsp;</o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt">Regarding your poin=
ts:<o:p></o:p></span></p>
<ol style=3D"margin-top:0in" start=3D"1" type=3D"1">
<li class=3D"MsoListParagraph" style=3D"margin-left:0in;mso-list:l0 level1 =
lfo1"><span style=3D"font-size:11.0pt">It is true that different CPATHs of =
the same policy can potentially contain different policy-name values. To ea=
se debugging, it&#8217;s much easier if all
 CPATHs of the same policy have the same policy-name. Regardless, policy-na=
me is useful because the SR Policy Architecture does say that the policy-na=
me (or names) MAY be used to
<span style=3D"background:yellow;mso-highlight:yellow">identify an SR Polic=
y</span>. So we need to have a way to encode the policy-name(s) in PCEP.<o:=
p></o:p></span></li></ol>
<h3><a name=3D"section-2.1"></a><a href=3D"https://tools.ietf.org/html/draf=
t-ietf-spring-segment-routing-policy-07#section-2.1"><span style=3D"mso-boo=
kmark:&quot;section-2\.1&quot;"><span style=3D"font-size:10.0pt;font-family=
:&quot;Courier New&quot;;color:black">2.1</span></span><span style=3D"mso-b=
ookmark:&quot;section-2\.1&quot;"></span></a><span style=3D"mso-bookmark:&q=
uot;section-2\.1&quot;"></span><span style=3D"font-size:10.0pt;font-family:=
&quot;Courier New&quot;;color:black">.&nbsp;
 Identification of an SR Policy<o:p></o:p></span></h3>
<pre><span style=3D"color:black">...<o:p></o:p></span></pre>
<pre><span style=3D"color:black">&nbsp;&nbsp; An implementation MAY allow a=
ssignment of a symbolic name comprising<o:p></o:p></span></pre>
<pre><span style=3D"color:black">&nbsp;&nbsp; of printable ASCII characters=
 to an SR Policy to serve as a user-<o:p></o:p></span></pre>
<pre><span style=3D"color:black">&nbsp;&nbsp; friendly attribute for debug =
and troubleshooting purposes.&nbsp; <span style=3D"background:yellow;mso-hi=
ghlight:yellow">Such<o:p></o:p></span></span></pre>
<pre><span style=3D"color:black;background:yellow;mso-highlight:yellow">&nb=
sp;&nbsp; symbolic names may identify an SR Policy when the naming scheme<o=
:p></o:p></span></pre>
<pre><span style=3D"color:black;background:yellow;mso-highlight:yellow">&nb=
sp;&nbsp; ensures uniqueness</span><span style=3D"color:black">.<o:p></o:p>=
</span></pre>
<pre><span style=3D"color:black"><o:p>&nbsp;</o:p></span></pre>
<ol style=3D"margin-top:0in" start=3D"2" type=3D"1">
<li class=3D"MsoListParagraph" style=3D"margin-left:0in;mso-list:l0 level1 =
lfo1"><span style=3D"font-size:11.0pt">I will follow up with the authors of=
 the IDR draft to clarify that there are two names: policy-name and cpath-n=
ame. I believe the wording needs to be
 corrected.<o:p></o:p></span></li></ol>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt"><o:p>&nbsp;</o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt">Thanks,<o:p></o:p><=
/span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt">Mike.<o:p></o:p></s=
pan></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt"><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" align=3D"left" style=3D"text-align:left"><b><span st=
yle=3D"font-size:11.0pt">From:</span></b><span style=3D"font-size:11.0pt"> =
huruizhao &lt;huruizhao@huawei.com&gt;
<br>
<b>Sent:</b> Monday, May 18, 2020 10:08 PM<br>
<b>To:</b> pce@ietf.org; draft-barth-pce-segment-routing-policy-cp@ietf.org=
<br>
<b>Cc:</b> Lihanlin &lt;lihanlin@huawei.com&gt;; Tanren &lt;tanren@huawei.c=
om&gt;<br>
<b>Subject:</b> Please confirm whose name the SR Policy Name TLV carries in=
 the draft<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal" align=3D"left" style=3D"text-align:left"><o:p>&nbsp;=
</o:p></p>
<p class=3D"MsoNormal"><span lang=3D"X-NONE" style=3D"mso-fareast-language:=
ZH-CN">Hi authors,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"X-NONE" style=3D"mso-fareast-language:=
ZH-CN">&nbsp; In the section 5.2 of [draft-barth-pce-segment-routing-policy=
-cp-05], SR Policy Name TLV is defined to carry Policy name.
<b>Policy name and</b> <b>Candidate Path name</b> have different definition=
s in [draft-ietf-spring-segment-routing-policy-06#section 2.1/2.6]. And the=
re MAY be ambiguity here, I think this TLV carries name to Candidate Path i=
nstead of name to Policy.&nbsp; The reasons
 are :<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"X-NONE" style=3D"mso-fareast-language:=
ZH-CN"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-indent:10.5pt"><span lang=3D"X-NONE" s=
tyle=3D"mso-fareast-language:ZH-CN">(1) There are multiple sources for the =
SR Policy of the head node. There will be multiple different Names to the s=
ame Policy if the PCE is allowed to deliver
 the Policy Name, which is difficult to manage.<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-indent:10.5pt"><span lang=3D"X-NONE" s=
tyle=3D"mso-fareast-language:ZH-CN">(2) In [draft-ietf-idr-segment-routing-=
te-policy-08#section-2.4.6],&nbsp; the draft clearly states &quot;the Polic=
y Name sub-TLV to attach a symbolic name to the SR
 Policy<b> candidate path</b>&quot;. The realization of BGP for SR Policy h=
as reference value for PCEP.<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-indent:10.5pt"><span lang=3D"X-NONE" s=
tyle=3D"mso-fareast-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"X-NONE" style=3D"mso-fareast-language:=
ZH-CN">&nbsp; Please confirm whose name the SR Policy Name TLV carries in t=
he draft.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"X-NONE" style=3D"mso-fareast-language:=
ZH-CN"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:ZH-CN">Kind rega=
rds,<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-indent:5.25pt"><span style=3D"mso-fare=
ast-language:ZH-CN">Ruizhao<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"X-NONE" style=3D"mso-fareast-language:=
ZH-CN"><o:p>&nbsp;</o:p></span></p>
</div>
</body>
</html>

--_000_MN2PR11MB3806A9B0A6BC361DEC3DB818D3B90MN2PR11MB3806namp_--


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Subject: [Pce] Last Call: <draft-ietf-pce-stateful-pce-lsp-scheduling-13.txt> (PCEP Extensions for LSP scheduling with stateful PCE) to Proposed Standard
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The IESG has received a request from the Path Computation Element WG (pce) to
consider the following document: - 'PCEP Extensions for LSP scheduling with
stateful PCE'
  <draft-ietf-pce-stateful-pce-lsp-scheduling-13.txt> as Proposed Standard

The IESG plans to make a decision in the next few weeks, and solicits final
comments on this action. Please send substantive comments to the
last-call@ietf.org mailing lists by 2020-06-12. Exceptionally, comments may
be sent to iesg@ietf.org instead. In either case, please retain the beginning
of the Subject line to allow automated sorting.

Abstract


   This document defines a set of extensions needed to the stateful Path
   Computation Element (PCE) communication Protocol (PCEP), so as to
   enable Labeled Switched Path (LSP) scheduling for path computation
   and LSP setup/deletion based on the actual network resource usage and
   the duration of a traffic service in a centralized network
   environment as stated in RFC 8413.




The file can be obtained via
https://datatracker.ietf.org/doc/draft-ietf-pce-stateful-pce-lsp-scheduling/


The following IPR Declarations may be related to this I-D:

   https://datatracker.ietf.org/ipr/3682/
   https://datatracker.ietf.org/ipr/3683/
   https://datatracker.ietf.org/ipr/3044/







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A new Request for Comments is now available in online RFC libraries.

        
        RFC 8786

        Title:      Updated Rules for Processing Stateful 
                    PCE Request Parameters Flags 
        Author:     A. Farrel
        Status:     Standards Track
        Stream:     IETF
        Date:       May 2020
        Mailbox:    adrian@olddog.co.uk
        Pages:      6
        Updates:    RFC 8231

        I-D Tag:    draft-ietf-pce-stateful-flags-01.txt

        URL:        https://www.rfc-editor.org/info/rfc8786

        DOI:        10.17487/RFC8786

Extensions to the Path Computation Element Communication Protocol
(PCEP) to support stateful Path Computation Elements (PCEs) are
defined in RFC 8231.  One of the extensions is the Stateful PCE
Request Parameters (SRP) object.  That object includes a Flags field
that is a set of 32 bit flags, and RFC 8281 defines an IANA registry
for tracking assigned flags.  However, RFC 8231 does not explain how
an implementation should set unassigned flags in transmitted
messages, nor how an implementation should process unassigned,
unknown, or unsupported flags in received messages.

This document updates RFC 8231 by defining the correct behaviors.

This document is a product of the Path Computation Element Working Group of the IETF.

This is now a Proposed Standard.

STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements.  Please refer to the current edition of the Official
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