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Subject: [Teas] teas - Requested sessions have been scheduled for IETF 104
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Dear Lou Berger,

The session(s) that you have requested have been scheduled.
Below is the scheduled session information followed by
the original request. 


    teas Session 1 (1:00 requested)
    Tuesday, 26 March 2019, Morning Session II 1120-1220
    Room Name: Congress Hall 2 size: 350
    ---------------------------------------------
    teas Session 2 (2:00 requested)
    Tuesday, 26 March 2019, Afternoon Session I 1350-1550
    Room Name: Grand Ballroom size: 250
    ---------------------------------------------


iCalendar: https://datatracker.ietf.org/meeting/104/sessions/teas.ics

Request Information:


---------------------------------------------------------
Working Group Name: Traffic Engineering Architecture and Signaling
Area Name: Routing Area
Session Requester: Lou Berger

Number of Sessions: 2
Length of Session(s):  2 Hours, 1 Hour
Number of Attendees: 100
Conflicts to Avoid: 
 First Priority: ccamp mpls pce netmod detnet
 Second Priority: idr i2rs spring lsr
 Third Priority: pals bess nvo3


People who must be present:
  Lou Berger
  Deborah Brungard
  Vishnu Pavan Beeram

Resources Requested:

Special Requests:
  Other Conflicts: IRTF RRG, RTG BOFs
---------------------------------------------------------


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Subject: [Teas] IETF104: TEAS Agenda Slot Requests
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--000000000000b6283605834f3a2f
Content-Type: text/plain; charset="UTF-8"

All,

The IETF 104 meeting agenda is available at
https://datatracker.ietf.org/meeting/104/agenda/. We have 2 slots scheduled
on Tuesday, March 26th - 11:20 to 12:20 and 13:50 to 15:50.

If you'd like to present your draft, please send a request to the Secretary
(Matt on cc) and the Chairs by Monday, March 11th with the draft name, the
speaker name, and the desired slot duration. Please note that this is also
the cut-off for draft submissions. If you have a WG draft that you aren't
presenting, please provide a status update.

Thanks
Matt/Lou/Pavan

Important Dates:
- *2019-03-11 (Monday):* Internet Draft submission cut-off (for all drafts,
including -00) by UTC 23:59.
- *2019-03-11 (Monday):* Standard rate registration and payment cut-off at
UTC 23:59..
- *2019-03-13 (Wednesday):* Draft Working Group agendas due by UTC 23:59.
- *2019-03-18 (Monday):* Registration cancellation cut-off at UTC 23:59.
- *2019-03-18 (Monday):* Revised Working Group agendas due by UTC 23:59.
- *2019-04-19 (Friday):* Proceedings submission cutoff date by UTC 23:59.
- *2019-05-13 (Monday):* Proceedings submission corrections cutoff date by
UTC 23:59.

--000000000000b6283605834f3a2f
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr">All,<br=
><br>The IETF 104 meeting agenda is available at <a href=3D"https://datatra=
cker.ietf.org/meeting/104/agenda/">https://datatracker.ietf.org/meeting/104=
/agenda/</a>. We have 2 slots scheduled on Tuesday, March 26th - 11:20 to 1=
2:20 and 13:50 to 15:50.<br><br>If you&#39;d like to present your draft, pl=
ease send a request to the Secretary (Matt on cc) and the Chairs by Monday,=
 March 11th with the draft name, the speaker name, and the desired slot dur=
ation. Please note that this is also the cut-off for draft submissions. If =
you have a WG draft that you aren&#39;t presenting, please provide a status=
 update.<br><br>Thanks<br>Matt/Lou/Pavan</div><div dir=3D"ltr"><br></div><d=
iv>Important Dates:<br></div><div dir=3D"ltr"><li> <strong>2019-03-11 (Mond=
ay):</strong> Internet Draft submission cut-off (for all drafts, including =
-00) by UTC 23:59. <br></li>
 =20
    <li> <strong>2019-03-11 (Monday):</strong> Standard rate registration a=
nd payment cut-off at UTC 23:59..=20
   =20
   =20
   =20
   =20
   =20
    </li>
 =20
    <li> <strong>2019-03-13 (Wednesday):</strong> Draft Working Group agend=
as due by UTC 23:59. <br></li>
 =20
    <li> <strong>2019-03-18 (Monday):</strong> Registration cancellation cu=
t-off at UTC 23:59.=20
   =20
   =20
   =20
   =20
   =20
    </li>
 =20
    <li> <strong>2019-03-18 (Monday):</strong> Revised Working Group agenda=
s due by UTC 23:59. <br></li>
 =20
    <li> <strong>2019-04-19 (Friday):</strong> Proceedings submission cutof=
f date by UTC 23:59.<br></li>
 =20
    <li> <strong>2019-05-13 (Monday):</strong> Proceedings submission corre=
ctions cutoff date by UTC 23:59.=20
   =20
   =20
   =20
   =20
   =20
    </li></div></div></div></div>

--000000000000b6283605834f3a2f--


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From: Lou Berger <lberger@labn.net>
To: TEAS WG <teas@ietf.org>
Cc: TEAS WG Chairs <teas-chairs@ietf.org>, "draft-lee-teas-te-service-mapping-yang@ietf.org" <draft-lee-teas-te-service-mapping-yang@ietf.org>
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Subject: Re: [Teas] WG adoption poll on draft-lee-teas-te-service-mapping-yang-13
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All,

 Â Â Â  This draft is adopted.

Authors,

 Â Â Â  Please republish the draft with only the file name changed 
draft-ietf-teas-te-service-mapping-yang-00 and an updated date.

Once published, please work to address issues raised as part of the 
adoption process - notably continued/improved alignment with other yang 
models, the issues raised by Tom P., yang validation errors reported at 
https://datatracker.ietf.org/doc/draft-lee-teas-te-service-mapping-yang 
and idnits as reported at 
https://tools.ietf.org/idnits?url=https://tools.ietf.org/id/draft-lee-teas-te-service-mapping-yang-13.txt

Thank you,

Lou (and Pavan)

On 2/14/2019 2:56 PM, Lou Berger wrote:
> All,
>
> This is start of a two week poll on making
> draft-lee-teas-te-service-mapping-yang-13 a working group
> document. Please send email to the list indicating "yes/support" or
> "no/do not support".  If indicating no, please state your reservations
> with the document.  If yes, please also feel free to provide comments
> you'd like to see addressed once the document is a WG document.
>
> The poll ends February 28.
>
> Thanks,
>
> Lou (and Pavan)
>
>


From nobody Tue Mar  5 06:55:27 2019
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Subject: [Teas] Publication has been requested for draft-ietf-teas-yang-te-types-06
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Lou Berger has requested publication of draft-ietf-teas-yang-te-types-06 as Proposed Standard on behalf of the TEAS working group.

Please verify the document's state at https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-types/


From nobody Tue Mar  5 08:55:37 2019
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Subject: [Teas] I-D Action: draft-ietf-teas-te-service-mapping-yang-00.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 Traffic Engineering Architecture and Signaling WG of the IETF.

        Title           : Traffic Engineering and Service Mapping Yang Model
        Authors         : Young Lee
                          Dhruv Dhody
                          Daniele Ceccarelli
                          Jeff Tantsura
                          Giuseppe Fioccola
                          Qin Wu
	Filename        : draft-ietf-teas-te-service-mapping-yang-00.txt
	Pages           : 28
	Date            : 2019-03-05

Abstract:
   This document provides a YANG data model to map customer service
   models (e.g., the L3VPM Service Model) to Traffic Engineering (TE)
   models (e.g., the TE Tunnel or the Abstraction and Control of
   Traffic Engineered Networks Virtual Network model). This model is
   referred to as TE Service Mapping Model and is applicable
   generically to the operator's need for seamless control and
   management of their VPN services with TE tunnel support.

   The model is principally used to allow monitoring and diagnostics of
   the management systems to show how the service requests are mapped
   onto underlying network resource and TE models.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-te-service-mapping-yang/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-te-service-mapping-yang-00
https://datatracker.ietf.org/doc/html/draft-ietf-teas-te-service-mapping-yang-00


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 Tue Mar  5 11:24:37 2019
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Subject: [Teas] I-D Action: draft-ietf-teas-te-service-mapping-yang-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 Traffic Engineering Architecture and Signaling WG of the IETF.

        Title           : Traffic Engineering and Service Mapping Yang Model
        Authors         : Young Lee
                          Dhruv Dhody
                          Daniele Ceccarelli
                          Jeff Tantsura
                          Giuseppe Fioccola
                          Qin Wu
	Filename        : draft-ietf-teas-te-service-mapping-yang-01.txt
	Pages           : 28
	Date            : 2019-03-05

Abstract:
   This document provides a YANG data model to map customer service
   models (e.g., the L3VPM Service Model) to Traffic Engineering (TE)
   models (e.g., the TE Tunnel or the Abstraction and Control of
   Traffic Engineered Networks Virtual Network model). This model is
   referred to as TE Service Mapping Model and is applicable
   generically to the operator's need for seamless control and
   management of their VPN services with TE tunnel support.

   The model is principally used to allow monitoring and diagnostics of
   the management systems to show how the service requests are mapped
   onto underlying network resource and TE models.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-te-service-mapping-yang/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-te-service-mapping-yang-01
https://datatracker.ietf.org/doc/html/draft-ietf-teas-te-service-mapping-yang-01

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-te-service-mapping-yang-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 Tue Mar  5 11:30:37 2019
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From: Leeyoung <leeyoung@huawei.com>
To: "teas@ietf.org" <teas@ietf.org>
Thread-Topic: [Teas] I-D Action: draft-ietf-teas-te-service-mapping-yang-01.txt
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Subject: [Teas] FW: I-D Action: draft-ietf-teas-te-service-mapping-yang-01.txt
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Hi,

Just to remove actn as the top container (which was done in the VN Yang Mod=
el as part of generalization effort) in the te-service-mapping-type file. T=
here is no technical change. With this fix, Yang validator does not complai=
n.=20

Thanks/
Young



-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-drafts@ietf=
.org
Sent: Tuesday, March 5, 2019 1:24 PM
To: i-d-announce@ietf.org
Cc: teas@ietf.org
Subject: [Teas] I-D Action: draft-ietf-teas-te-service-mapping-yang-01.txt


A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.
This draft is a work item of the Traffic Engineering Architecture and Signa=
ling WG of the IETF.

        Title           : Traffic Engineering and Service Mapping Yang Mode=
l
        Authors         : Young Lee
                          Dhruv Dhody
                          Daniele Ceccarelli
                          Jeff Tantsura
                          Giuseppe Fioccola
                          Qin Wu
	Filename        : draft-ietf-teas-te-service-mapping-yang-01.txt
	Pages           : 28
	Date            : 2019-03-05

Abstract:
   This document provides a YANG data model to map customer service
   models (e.g., the L3VPM Service Model) to Traffic Engineering (TE)
   models (e.g., the TE Tunnel or the Abstraction and Control of
   Traffic Engineered Networks Virtual Network model). This model is
   referred to as TE Service Mapping Model and is applicable
   generically to the operator's need for seamless control and
   management of their VPN services with TE tunnel support.

   The model is principally used to allow monitoring and diagnostics of
   the management systems to show how the service requests are mapped
   onto underlying network resource and TE models.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-te-service-mapping-yang/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-te-service-mapping-yang-01
https://datatracker.ietf.org/doc/html/draft-ietf-teas-te-service-mapping-ya=
ng-01

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-te-service-mapping-yang=
-01


Please note that it may take a couple of minutes from the time of submissio=
n 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/

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


From nobody Wed Mar  6 13:21:15 2019
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To: TEAS WG <teas@ietf.org>, "draft-ietf-teas-yang-te-topo@ietf.org" <draft-ietf-teas-yang-te-topo@ietf.org>
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Subject: [Teas] Fwd: IETF WG state changed for draft-ietf-teas-yang-te-topo
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All,

 Â Â Â  The recent versions of the te-topology doc had sufficiently 
significant technical changes that our AD and I, with input from the 
authors, agreed that the document should come back to the WG and to 
rerun a full last call process.Â  The key changes in rev -19 were:

- Referencing the te-types document and updates to point to its module

- introduction of information-source-instance

The second change is a technical change resulting from implementation 
experience, so is a good change, but as it is a substantive technical 
change the document has to come out of the RFC editor queue to accept it.

Authors,
 Â Â Â  Can you send out a message summarizing all changes.

We will then restart the WG LC process.

Thank you,
Lou (as Shepherd/co-chair)

-------- Forwarded Message --------
Subject: 	IETF WG state changed for draft-ietf-teas-yang-te-topo
Date: 	Wed, 06 Mar 2019 10:49:31 -0800
From: 	IETF Secretariat <ietf-secretariat-reply@ietf.org>
To: 	lberger@labn.net, teas-chairs@ietf.org, 
draft-ietf-teas-yang-te-topo@ietf.org




The IETF WG state of draft-ietf-teas-yang-te-topo has been changed to "WG
Document" from "Submitted to IESG for Publication" by Deborah Brungard:

https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/



--------------EA1E2B173BB0DC0357B8805F
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<html>
  <head>

    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
    <p>All,</p>
    <p>Â Â Â  The recent versions of the te-topology doc had sufficiently
      significant technical changes that our AD and I, with input from
      the authors, agreed that the document should come back to the WG
      and to rerun a full last call process.Â  The key changes in rev -19
      were:</p>
    <p> - Referencing the te-types document and updates to point to its
      module</p>
    <p>- introduction of information-source-instance</p>
    <p>The second change is a technical change resulting from
      implementation experience, so is a good change, but as it is a
      substantive technical change the document has to come out of the
      RFC editor queue to accept it.<br>
    </p>
    <div class="moz-forward-container">Authors,</div>
    <div class="moz-forward-container">Â Â Â  Can you send out a message
      summarizing all changes.</div>
    <div class="moz-forward-container"><br>
    </div>
    <div class="moz-forward-container">We will then restart the WG LC
      process.</div>
    <div class="moz-forward-container"><br>
    </div>
    <div class="moz-forward-container">Thank you,</div>
    <div class="moz-forward-container">Lou (as Shepherd/co-chair)</div>
    <div class="moz-forward-container"><br>
    </div>
    <div class="moz-forward-container">-------- Forwarded Message
      --------
      <table class="moz-email-headers-table" cellspacing="0"
        cellpadding="0" border="0">
        <tbody>
          <tr>
            <th valign="BASELINE" nowrap="nowrap" align="RIGHT">Subject:
            </th>
            <td>IETF WG state changed for draft-ietf-teas-yang-te-topo</td>
          </tr>
          <tr>
            <th valign="BASELINE" nowrap="nowrap" align="RIGHT">Date: </th>
            <td>Wed, 06 Mar 2019 10:49:31 -0800</td>
          </tr>
          <tr>
            <th valign="BASELINE" nowrap="nowrap" align="RIGHT">From: </th>
            <td>IETF Secretariat <a class="moz-txt-link-rfc2396E" href="mailto:ietf-secretariat-reply@ietf.org">&lt;ietf-secretariat-reply@ietf.org&gt;</a></td>
          </tr>
          <tr>
            <th valign="BASELINE" nowrap="nowrap" align="RIGHT">To: </th>
            <td><a class="moz-txt-link-abbreviated" href="mailto:lberger@labn.net">lberger@labn.net</a>, <a class="moz-txt-link-abbreviated" href="mailto:teas-chairs@ietf.org">teas-chairs@ietf.org</a>,
              <a class="moz-txt-link-abbreviated" href="mailto:draft-ietf-teas-yang-te-topo@ietf.org">draft-ietf-teas-yang-te-topo@ietf.org</a></td>
          </tr>
        </tbody>
      </table>
      <br>
      <br>
      <br>
      The IETF WG state of draft-ietf-teas-yang-te-topo has been changed
      to "WG<br>
      Document" from "Submitted to IESG for Publication" by Deborah
      Brungard:<br>
      <br>
      <a class="moz-txt-link-freetext" href="https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/">https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/</a><br>
      <br>
      <br>
    </div>
  </body>
</html>

--------------EA1E2B173BB0DC0357B8805F--


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From: "BRUNGARD, DEBORAH A" <db3546@att.com>
To: "rfc-editor@rfc-editor.org" <rfc-editor@rfc-editor.org>
CC: "teas-chairs@ietf.org" <teas-chairs@ietf.org>, "draft-ietf-teas-yang-te-topo@ietf.org" <draft-ietf-teas-yang-te-topo@ietf.org>, "<rtg-ads@ietf.org> (rtg-ads@ietf.org)" <rtg-ads@ietf.org>, "teas@ietf.org" <teas@ietf.org>, IESG <iesg@ietf.org>
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Dear RFC-Editor,

At the request of the TEAS Chairs and Authors, please remove this document =
from the RFC Ed Queue. The Working Group has identified technical changes a=
re needed to align with their other YANG work. The document will be sent ba=
ck to the Working Group.

Thanks,
Deborah


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<p class=3D"MsoNormal">Dear RFC-Editor,<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">At the request of the TEAS Chairs and Authors, pleas=
e remove this document from the RFC Ed Queue. The Working Group has identif=
ied technical changes are needed to align with their other YANG work. The d=
ocument will be sent back to the Working
 Group.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Thanks,<o:p></o:p></p>
<p class=3D"MsoNormal">Deborah<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
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Subject: [Teas] Updates in draft-ietf-teas-yang-te-topo-19
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As discussed in previous IETF meeting sessions, the YANG module ietf-te-types
has been moved from draft-ietf-teas-yang-te to draft-ietf-teas-yang-te-types.
Such a change allows us to move draft-ietf-teas-yang-te-topo forward
without waiting for draft-ietf-teas-yang-te, even though
draft-ietf-teas-yang-te-topo depends on the module ietf-te-types. We have
just updated draft-ietf-teas-yang-te-topo with
https://tools.ietf.org/html/draft-ietf-teas-yang-te-topo-19 to use the
module ietf-te-types in draft-ietf-teas-yang-te-types instead of
draft-ietf-teas-yang-te. The changes are:

- Used te-types:te-topology-identifier
  The grouping te-topology-identifier is now defined in ietf-te-types.
ietf-te-topology now uses this grouping for consistency.

- Used te-types:link-protection-type
  The identify link-protection-type has been defined in ietf-te-types.
ietf-te-topology now uses this new identity instead of defining its own
enumeration.

- Used te-types:objective-function-type
  The identify te-optimization-criterion in ietf-te-types has been renamed
to objective-function-type. ietf-te-topology now uses this new identity.

In addition, authors have received some implementation feedback regarding
the information-source in the model. There were use-cases where the
TE-topology is learned via different instances of the same source protocol
(different instances of the same IGP). We have introduced the following
changes in the model:

- Fixed information-source, by adding an additional leaf to indicate the
instance of the information source.

The differences introduced in the YANG model file are:
--- ietf-te-topology@2018-06-15.yang    2018-06-16 22:11:58.304834200 -0400
+++ ietf-te-topology@2019-02-07.yang    2019-02-08 12:16:04.591228810 -0500
@@ -17,8 +17,8 @@
   import ietf-te-types {
     prefix "te-types";
     reference
-      "I-D.ietf-teas-yang-te: A YANG Data Model for Traffic
-       Engineering Tunnels and Interfaces";
+      "I-D.ietf-teas-yang-te-types: Traffic Engineering Common YANG
+       Types";
   }

   import ietf-network {
@@ -61,7 +61,7 @@
     "TE topology model for representing and manipulating technology
      agnostic TE Topologies.

-     Copyright (c) 2018 IETF Trust and the persons identified as
+     Copyright (c) 2019 IETF Trust and the persons identified as
      authors of the code.  All rights reserved.

      Redistribution and use in source and binary forms, with or
@@ -74,7 +74,7 @@
      This version of this YANG module is part of RFC XXXX; see the
      RFC itself for full legal notices.";

-  revision "2018-06-15" {
+  revision "2019-02-07" {
     description "Initial revision";
     reference "RFC XXXX: YANG Data Model for TE Topologies";
   // RFC Ed.: replace XXXX with actual RFC number and remove
@@ -243,7 +243,14 @@
       type te-info-source;
       config false;
       description
-        "Indicates the source of the information.";
+        "Indicates the type of the information source.";
+    }
+    leaf information-source-instance {
+      type string;
+      config false;
+      description
+        "The name indicating the instance of the information
+         source.";
     }
     container information-source-state {
       config false;
@@ -270,7 +277,14 @@
       type te-info-source;
       config false;
       description
-        "Indicates the source of the information.";
+        "Indicates the type of the information source.";
+    }
+    leaf information-source-instance {
+      type string;
+      config false;
+      description
+        "The name indicating the instance of the information
+         source.";
     }
     container information-source-state {
       config false;
@@ -785,25 +799,8 @@
     uses te-types:label-set-info;

     leaf link-protection-type {
-      type enumeration {
-        enum "unprotected" {
-          description "Unprotected.";
-        }
-        enum "extra-traffic" {
-          description "Extra traffic.";
-        }
-        enum "shared" {
-          description "Shared.";
-        }
-        enum "1-for-1" {
-          description "One for one protection.";
-        }
-        enum "1-plus-1" {
-          description "One plus one protection.";
-        }
-        enum "enhanced" {
-          description "Enhanced protection.";
-        }
+      type identityref {
+        base te-types:link-protection-type;
       }
       description
         "Link Protection Type desired for this link.";
@@ -952,7 +949,7 @@
     }
     uses information-source-per-link-attributes;
     list information-source-entry {
-      key "information-source";
+      key "information-source information-source-instance";
       config false;
       description
         "A list of information sources learned, including the one
@@ -1338,7 +1335,7 @@
     }
     uses information-source-per-node-attributes;
     list information-source-entry {
-      key "information-source";
+      key "information-source information-source-instance";
       config false;
       description
         "A list of information sources learned, including the one
@@ -1604,26 +1601,12 @@
   grouping te-topology-augment {
     description
       "Augmentation for TE topology.";
-    leaf provider-id {
-      type te-types:te-global-id;
-      description
-        "An identifier to uniquely identify a provider.";
-    }
-    leaf client-id {
-      type te-types:te-global-id;
-      description
-        "An identifier to uniquely identify a client.";
-    }
-    leaf te-topology-id {
-      type te-types:te-topology-id;
-      description
-        "It is presumed that a datastore will contain many
-         topologies. To distinguish between topologies it is
-         vital to have UNIQUE topology identifiers.";
-    }
+    uses te-types:te-topology-identifier;

     container te {
-      must "../provider-id and ../client-id and ../te-topology-id";
+      must "../te-topology-identifier/provider-id"
+        + " and ../te-topology-identifier/client-id"
+        + " and ../te-topology-identifier/topology-id";
       presence "TE support.";
       description
         "Indicates TE support.";
@@ -1655,7 +1638,7 @@
     }
     leaf optimization-criterion {
       type identityref {
-        base te-types:te-optimization-criterion;
+        base te-types:objective-function-type;
       }
       description
         "Optimization criterion applied to this topology.";

Thanks,
- Xufeng

--0000000000005deec6058381acd9
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<div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div di=
r=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"lt=
r">As discussed in previous IETF meeting sessions, the YANG module ietf-<sp=
an class=3D"gmail-il">te</span>-types has been moved from draft-ietf-teas-y=
ang-<span class=3D"gmail-il">te</span> to draft-ietf-teas-yang-<span class=
=3D"gmail-il">te</span>-types. Such a change allows us to move draft-ietf-t=
eas-yang-<span class=3D"gmail-il">te</span>-topo forward without waiting fo=
r draft-ietf-teas-yang-<span class=3D"gmail-il">te</span>, even though draf=
t-ietf-teas-yang-<span class=3D"gmail-il">te</span>-topo depends on the mod=
ule ietf-<span class=3D"gmail-m_-6811792400233365257gmail-gr_ gmail-m_-6811=
792400233365257gmail-gr_436 gmail-m_-6811792400233365257gmail-gr-alert gmai=
l-m_-6811792400233365257gmail-gr_spell gmail-m_-6811792400233365257gmail-gr=
_inline_cards gmail-m_-6811792400233365257gmail-gr_disable_anim_appear gmai=
l-m_-6811792400233365257gmail-ContextualSpelling gmail-m_-68117924002333652=
57gmail-ins-del" id=3D"gmail-m_-6811792400233365257gmail-436"><span class=
=3D"gmail-il">te</span></span>-types. We have just updated draft-ietf-teas-=
yang-<span class=3D"gmail-il">te</span>-topo with <a href=3D"https://tools.=
ietf.org/html/draft-ietf-teas-yang-te-topo-19" rel=3D"noreferrer" target=3D=
"_blank">https://tools.ietf.org/html/draft-ietf-teas-yang-<span class=3D"gm=
ail-il">te</span>-topo-19</a> to use the module ietf-<span class=3D"gmail-i=
l">te</span>-types in draft-ietf-teas-yang-<span class=3D"gmail-il">te</spa=
n>-types instead of draft-ietf-teas-yang-<span class=3D"gmail-il">te</span>=
. The changes are:<div><br></div><div>- <span class=3D"gmail-m_-68117924002=
33365257gmail-m_-8076313178846767130gmail-insert">Used <span class=3D"gmail=
-il">te</span>-types:<span class=3D"gmail-il">te</span>-<span class=3D"gmai=
l-il">topology</span>-identifier</span></div><div><span class=3D"gmail-m_-6=
811792400233365257gmail-m_-8076313178846767130gmail-insert">=C2=A0 <span cl=
ass=3D"gmail-m_-6811792400233365257gmail-m_-8076313178846767130gmail-insert=
"><span class=3D"gmail-il">The grouping te</span>-<span class=3D"gmail-il">=
topology</span>-identifier is now defined in ietf-<span class=3D"gmail-m_-6=
811792400233365257gmail-gr_ gmail-m_-6811792400233365257gmail-gr_436 gmail-=
m_-6811792400233365257gmail-gr-alert gmail-m_-6811792400233365257gmail-gr_s=
pell gmail-m_-6811792400233365257gmail-gr_inline_cards gmail-m_-68117924002=
33365257gmail-gr_disable_anim_appear gmail-m_-6811792400233365257gmail-Cont=
extualSpelling gmail-m_-6811792400233365257gmail-ins-del" id=3D"gmail-m_-68=
11792400233365257gmail-436"><span class=3D"gmail-il"><span class=3D"gmail-g=
r_ gmail-gr_19 gmail-gr-alert gmail-gr_spell gmail-gr_inline_cards gmail-gr=
_run_anim gmail-ContextualSpelling gmail-ins-del" id=3D"gmail-19">te</span>=
</span></span>-types. ietf-te-topology now uses this grouping for consisten=
cy.<br></span></span></div><div><span class=3D"gmail-m_-6811792400233365257=
gmail-m_-8076313178846767130gmail-insert"><span class=3D"gmail-m_-681179240=
0233365257gmail-m_-8076313178846767130gmail-insert"><br></span></span></div=
><div>- Used <span class=3D"gmail-m_-6811792400233365257gmail-m_-8076313178=
846767130gmail-insert"><span class=3D"gmail-il">te</span>-types:link-protec=
tion-type</span></div><div><span class=3D"gmail-m_-6811792400233365257gmail=
-m_-8076313178846767130gmail-insert">=C2=A0 The identify link-protection-ty=
pe has been defined in ietf-te-types. ietf-te-topology now uses this new id=
entity instead of defining its own enumeration.<br></span></div><div><span =
class=3D"gmail-m_-6811792400233365257gmail-m_-8076313178846767130gmail-inse=
rt"><br></span></div><div><span class=3D"gmail-m_-6811792400233365257gmail-=
m_-8076313178846767130gmail-insert">- Used <span class=3D"gmail-il">te</spa=
n>-types:objective-function-type<br></span></div><div><span class=3D"gmail-=
m_-6811792400233365257gmail-m_-8076313178846767130gmail-insert">=C2=A0 The =
identify te-optimization-criterion in ietf-te-types has been renamed to obj=
ective-function-type. ietf-te-topology now uses this new identity.<br></spa=
n></div><div><span class=3D"gmail-m_-6811792400233365257gmail-m_-8076313178=
846767130gmail-insert"><br></span></div><div><span class=3D"gmail-m_-681179=
2400233365257gmail-m_-8076313178846767130gmail-insert">In addition, authors=
 have received some implementation feedback regarding the information-sourc=
e in the model. There were use-cases where the TE-topology is learned via d=
ifferent instances of the same source protocol (different instances of the =
same IGP). We have introduced the following changes in the model:<br></span=
></div></div><div dir=3D"ltr"><span class=3D"gmail-m_-6811792400233365257gm=
ail-m_-8076313178846767130gmail-insert"><br></span></div><div dir=3D"ltr"><=
span class=3D"gmail-m_-6811792400233365257gmail-m_-8076313178846767130gmail=
-insert">- Fixed information-source, by adding an <span class=3D"gmail-m_-6=
811792400233365257gmail-m_-8076313178846767130gmail-insert">additional leaf=
 to indicate the instance of the information source.<br></span></span><div>=
<br></div><div>The differences introduced in the YANG model file are:</div>=
<div>--- ietf-te-topology@2018-06-15.yang=C2=A0=C2=A0=C2=A0 2018-06-16 22:1=
1:58.304834200 -0400<br>+++ ietf-te-topology@2019-02-07.yang=C2=A0=C2=A0=C2=
=A0 2019-02-08 12:16:04.591228810 -0500<br>@@ -17,8 +17,8 @@<br>=C2=A0=C2=
=A0 import ietf-te-types {<br>=C2=A0=C2=A0=C2=A0=C2=A0 prefix &quot;te-type=
s&quot;;<br>=C2=A0=C2=A0=C2=A0=C2=A0 reference<br>-=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0 &quot;I-D.ietf-teas-yang-te: A YANG Data Model for Traffic<br>-=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Engineering Tunnels and Interfaces&quot;;=
<br>+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 &quot;I-D.ietf-teas-yang-te-types: Traf=
fic Engineering Common YANG<br>+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Types&=
quot;;<br>=C2=A0=C2=A0 }<br>=C2=A0<br>=C2=A0=C2=A0 import ietf-network {<br=
>@@ -61,7 +61,7 @@<br>=C2=A0=C2=A0=C2=A0=C2=A0 &quot;TE topology model for =
representing and manipulating technology<br>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =
agnostic TE Topologies.<br>=C2=A0<br>-=C2=A0=C2=A0=C2=A0=C2=A0 Copyright (c=
) 2018 IETF Trust and the persons identified as<br>+=C2=A0=C2=A0=C2=A0=C2=
=A0 Copyright (c) 2019 IETF Trust and the persons identified as<br>=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0 authors of the code.=C2=A0 All rights reserved.<br=
>=C2=A0<br>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Redistribution and use in source =
and binary forms, with or<br>@@ -74,7 +74,7 @@<br>=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0 This version of this YANG module is part of RFC XXXX; see the<br>=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0 RFC itself for full legal notices.&quot;;<br>=
=C2=A0<br>-=C2=A0 revision &quot;2018-06-15&quot; {<br>+=C2=A0 revision &qu=
ot;2019-02-07&quot; {<br>=C2=A0=C2=A0=C2=A0=C2=A0 description &quot;Initial=
 revision&quot;;<br>=C2=A0=C2=A0=C2=A0=C2=A0 reference &quot;RFC XXXX: YANG=
 Data Model for TE Topologies&quot;;<br>=C2=A0=C2=A0 // RFC Ed.: replace XX=
XX with actual RFC number and remove<br>@@ -243,7 +243,14 @@<br>=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0 type te-info-source;<br>=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0 config false;<br>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 descr=
iption<br>-=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 &quot;Indicates the s=
ource of the information.&quot;;<br>+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0 &quot;Indicates the type of the information source.&quot;;<br>+=C2=
=A0=C2=A0=C2=A0 }<br>+=C2=A0=C2=A0=C2=A0 leaf information-source-instance {=
<br>+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 type string;<br>+=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0 config false;<br>+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 description<br>+=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 &quot;The name indicating the in=
stance of the information<br>+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0 source.&quot;;<br>=C2=A0=C2=A0=C2=A0=C2=A0 }<br>=C2=A0=C2=A0=C2=A0=C2=
=A0 container information-source-state {<br>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0 config false;<br>@@ -270,7 +277,14 @@<br>=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0 type te-info-source;<br>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 conf=
ig false;<br>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 description<br>-=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 &quot;Indicates the source of the informa=
tion.&quot;;<br>+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 &quot;Indicates=
 the type of the information source.&quot;;<br>+=C2=A0=C2=A0=C2=A0 }<br>+=
=C2=A0=C2=A0=C2=A0 leaf information-source-instance {<br>+=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0 type string;<br>+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 config fals=
e;<br>+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 description<br>+=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0 &quot;The name indicating the instance of the informa=
tion<br>+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 source.&quot;;<br=
>=C2=A0=C2=A0=C2=A0=C2=A0 }<br>=C2=A0=C2=A0=C2=A0=C2=A0 container informati=
on-source-state {<br>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 config false;<br>=
@@ -785,25 +799,8 @@<br>=C2=A0=C2=A0=C2=A0=C2=A0 uses te-types:label-set-in=
fo;<br>=C2=A0<br>=C2=A0=C2=A0=C2=A0=C2=A0 leaf link-protection-type {<br>-=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 type enumeration {<br>-=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0 enum &quot;unprotected&quot; {<br>-=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 description &quot;Unprotected.&quot;;<=
br>-=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 }<br>-=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0 enum &quot;extra-traffic&quot; {<br>-=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 description &quot;Extra traffic.&qu=
ot;;<br>-=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 }<br>-=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0 enum &quot;shared&quot; {<br>-=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 description &quot;Shared.&quot;;<br=
>-=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 }<br>-=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 enum &quot;1-for-1&quot; {<br>-=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 description &quot;One for one protection.&qu=
ot;;<br>-=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 }<br>-=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0 enum &quot;1-plus-1&quot; {<br>-=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 description &quot;One plus one prot=
ection.&quot;;<br>-=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 }<br>-=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 enum &quot;enhanced&quot; {<br>-=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 description &quot;Enhanced=
 protection.&quot;;<br>-=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 }<br>+=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 type identityref {<br>+=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0 base te-types:link-protection-type;<br>=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0 }<br>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 descript=
ion<br>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 &quot;Link Protecti=
on Type desired for this link.&quot;;<br>@@ -952,7 +949,7 @@<br>=C2=A0=C2=
=A0=C2=A0=C2=A0 }<br>=C2=A0=C2=A0=C2=A0=C2=A0 uses information-source-per-l=
ink-attributes;<br>=C2=A0=C2=A0=C2=A0=C2=A0 list information-source-entry {=
<br>-=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 key &quot;information-source&quot;;<br>=
+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 key &quot;information-source information-so=
urce-instance&quot;;<br>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 config false;<=
br>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 description<br>=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 &quot;A list of information sources learned,=
 including the one<br>@@ -1338,7 +1335,7 @@<br>=C2=A0=C2=A0=C2=A0=C2=A0 }<b=
r>=C2=A0=C2=A0=C2=A0=C2=A0 uses information-source-per-node-attributes;<br>=
=C2=A0=C2=A0=C2=A0=C2=A0 list information-source-entry {<br>-=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 key &quot;information-source&quot;;<br>+=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0 key &quot;information-source information-source-instance&qu=
ot;;<br>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 config false;<br>=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0 description<br>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0 &quot;A list of information sources learned, including the =
one<br>@@ -1604,26 +1601,12 @@<br>=C2=A0=C2=A0 grouping te-topology-augment=
 {<br>=C2=A0=C2=A0=C2=A0=C2=A0 description<br>=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0 &quot;Augmentation for TE topology.&quot;;<br>-=C2=A0=C2=A0=C2=A0=
 leaf provider-id {<br>-=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 type te-types:te-glo=
bal-id;<br>-=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 description<br>-=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0 &quot;An identifier to uniquely identify a prov=
ider.&quot;;<br>-=C2=A0=C2=A0=C2=A0 }<br>-=C2=A0=C2=A0=C2=A0 leaf client-id=
 {<br>-=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 type te-types:te-global-id;<br>-=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0 description<br>-=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 &quot;An identifier to uniquely identify a client.&quot;;<br>-=
=C2=A0=C2=A0=C2=A0 }<br>-=C2=A0=C2=A0=C2=A0 leaf te-topology-id {<br>-=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0 type te-types:te-topology-id;<br>-=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 description<br>-=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0 &quot;It is presumed that a datastore will contain many<br>-=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 topologies. To distinguish between =
topologies it is<br>-=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 vital=
 to have UNIQUE topology identifiers.&quot;;<br>-=C2=A0=C2=A0=C2=A0 }<br>+=
=C2=A0=C2=A0=C2=A0 uses te-types:te-topology-identifier;<br>=C2=A0<br>=C2=
=A0=C2=A0=C2=A0=C2=A0 container te {<br>-=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 mus=
t &quot;../provider-id and ../client-id and ../te-topology-id&quot;;<br>+=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 must &quot;../te-topology-identifier/provide=
r-id&quot;<br>+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 + &quot; and ../t=
e-topology-identifier/client-id&quot;<br>+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0 + &quot; and ../te-topology-identifier/topology-id&quot;;<br>=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 presence &quot;TE support.&quot;;<br>=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 description<br>=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0 &quot;Indicates TE support.&quot;;<br>@@ -1655,7 +=
1638,7 @@<br>=C2=A0=C2=A0=C2=A0=C2=A0 }<br>=C2=A0=C2=A0=C2=A0=C2=A0 leaf op=
timization-criterion {<br>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 type identit=
yref {<br>-=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 base te-types:te-opti=
mization-criterion;<br>+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 base te-=
types:objective-function-type;<br>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 }<br=
>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 description<br>=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0 &quot;Optimization criterion applied to this to=
pology.&quot;;<br><br></div><div>Thanks,</div><div>- Xufeng</div></div></di=
v></div></div></div></div></div></div></div>

--0000000000005deec6058381acd9--


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From: RFC Editor <rfc-editor@rfc-editor.org>
To: "BRUNGARD, DEBORAH A" <db3546@att.com>
Cc: "teas-chairs@ietf.org" <teas-chairs@ietf.org>, "draft-ietf-teas-yang-te-topo@ietf.org" <draft-ietf-teas-yang-te-topo@ietf.org>,  "<rtg-ads@ietf.org> (rtg-ads@ietf.org)" <rtg-ads@ietf.org>, "teas@ietf.org" <teas@ietf.org>, IESG <iesg@ietf.org>, RFC Editor <rfc-editor@rfc-editor.org>
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Subject: Re: [Teas] draft-ietf-teas-yang-te-topo
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Hi Deborah,

Thank you for the information below.  As requested, we have removed
this document from the queue.  

Thanks,
RFC Editor/sg

On Wed, Mar 06, 2019 at 06:47:34PM +0000, BRUNGARD, DEBORAH A wrote:
> Dear RFC-Editor,
> 
> At the request of the TEAS Chairs and Authors, please remove this document from the RFC Ed Queue. The Working Group has identified technical changes are needed to align with their other YANG work. The document will be sent back to the Working Group.
> 
> Thanks,
> Deborah
> 


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From: Xufeng Liu <xufeng.liu.ietf@gmail.com>
Date: Fri, 8 Mar 2019 14:25:13 -0500
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To: Lou Berger <lberger@labn.net>
Cc: TEAS WG <teas@ietf.org>, "draft-ietf-teas-yang-te-topo@ietf.org" <draft-ietf-teas-yang-te-topo@ietf.org>
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Subject: Re: [Teas] Fwd: IETF WG state changed for draft-ietf-teas-yang-te-topo
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Hi Lou,

The change summary has been posted to the WG mailing list (
https://mailarchive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUujt29fysqHwwpI).
Please advise if the authors need to do anything further.
Thanks,
- Xufeng

On Wed, Mar 6, 2019 at 4:21 PM Lou Berger <lberger@labn.net> wrote:

> All,
>
>     The recent versions of the te-topology doc had sufficiently
> significant technical changes that our AD and I, with input from the
> authors, agreed that the document should come back to the WG and to rerun a
> full last call process.  The key changes in rev -19 were:
>
> - Referencing the te-types document and updates to point to its module
>
> - introduction of information-source-instance
>
> The second change is a technical change resulting from implementation
> experience, so is a good change, but as it is a substantive technical
> change the document has to come out of the RFC editor queue to accept it.
> Authors,
>     Can you send out a message summarizing all changes.
>
> We will then restart the WG LC process.
>
> Thank you,
> Lou (as Shepherd/co-chair)
>
> -------- Forwarded Message --------
> Subject: IETF WG state changed for draft-ietf-teas-yang-te-topo
> Date: Wed, 06 Mar 2019 10:49:31 -0800
> From: IETF Secretariat <ietf-secretariat-reply@ietf.org>
> <ietf-secretariat-reply@ietf.org>
> To: lberger@labn.net, teas-chairs@ietf.org,
> draft-ietf-teas-yang-te-topo@ietf.org
>
>
> The IETF WG state of draft-ietf-teas-yang-te-topo has been changed to "WG
> Document" from "Submitted to IESG for Publication" by Deborah Brungard:
>
> https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/
>
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>

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<div dir=3D"ltr"><div dir=3D"ltr"><div>Hi Lou,</div><div><br></div><div>The=
 change summary has been posted to the WG mailing list (<a href=3D"https://=
mailarchive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUujt29fysqHwwpI">https://mai=
larchive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUujt29fysqHwwpI</a>). Please ad=
vise if the authors need to do anything further.</div><div>Thanks,</div><di=
v>- Xufeng<br></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=
=3D"gmail_attr">On Wed, Mar 6, 2019 at 4:21 PM Lou Berger &lt;<a href=3D"ma=
ilto:lberger@labn.net">lberger@labn.net</a>&gt; wrote:<br></div><blockquote=
 class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px so=
lid rgb(204,204,204);padding-left:1ex">
 =20

   =20
 =20
  <div bgcolor=3D"#FFFFFF">
    <p>All,</p>
    <p>=C2=A0=C2=A0=C2=A0 The recent versions of the te-topology doc had su=
fficiently
      significant technical changes that our AD and I, with input from
      the authors, agreed that the document should come back to the WG
      and to rerun a full last call process.=C2=A0 The key changes in rev -=
19
      were:</p>
    <p> - Referencing the te-types document and updates to point to its
      module</p>
    <p>- introduction of information-source-instance</p>
    <p>The second change is a technical change resulting from
      implementation experience, so is a good change, but as it is a
      substantive technical change the document has to come out of the
      RFC editor queue to accept it.<br>
    </p>
    <div class=3D"gmail-m_6948174107758835136moz-forward-container">Authors=
,</div>
    <div class=3D"gmail-m_6948174107758835136moz-forward-container">=C2=A0=
=C2=A0=C2=A0 Can you send out a message
      summarizing all changes.</div>
    <div class=3D"gmail-m_6948174107758835136moz-forward-container"><br>
    </div>
    <div class=3D"gmail-m_6948174107758835136moz-forward-container">We will=
 then restart the WG LC
      process.</div>
    <div class=3D"gmail-m_6948174107758835136moz-forward-container"><br>
    </div>
    <div class=3D"gmail-m_6948174107758835136moz-forward-container">Thank y=
ou,</div>
    <div class=3D"gmail-m_6948174107758835136moz-forward-container">Lou (as=
 Shepherd/co-chair)</div>
    <div class=3D"gmail-m_6948174107758835136moz-forward-container"><br>
    </div>
    <div class=3D"gmail-m_6948174107758835136moz-forward-container">-------=
- Forwarded Message
      --------
      <table class=3D"gmail-m_6948174107758835136moz-email-headers-table" c=
ellspacing=3D"0" cellpadding=3D"0" border=3D"0">
        <tbody>
          <tr>
            <th valign=3D"BASELINE" nowrap align=3D"RIGHT">Subject:
            </th>
            <td>IETF WG state changed for draft-ietf-teas-yang-te-topo</td>
          </tr>
          <tr>
            <th valign=3D"BASELINE" nowrap align=3D"RIGHT">Date: </th>
            <td>Wed, 06 Mar 2019 10:49:31 -0800</td>
          </tr>
          <tr>
            <th valign=3D"BASELINE" nowrap align=3D"RIGHT">From: </th>
            <td>IETF Secretariat <a class=3D"gmail-m_6948174107758835136moz=
-txt-link-rfc2396E" href=3D"mailto:ietf-secretariat-reply@ietf.org" target=
=3D"_blank">&lt;ietf-secretariat-reply@ietf.org&gt;</a></td>
          </tr>
          <tr>
            <th valign=3D"BASELINE" nowrap align=3D"RIGHT">To: </th>
            <td><a class=3D"gmail-m_6948174107758835136moz-txt-link-abbrevi=
ated" href=3D"mailto:lberger@labn.net" target=3D"_blank">lberger@labn.net</=
a>, <a class=3D"gmail-m_6948174107758835136moz-txt-link-abbreviated" href=
=3D"mailto:teas-chairs@ietf.org" target=3D"_blank">teas-chairs@ietf.org</a>=
,
              <a class=3D"gmail-m_6948174107758835136moz-txt-link-abbreviat=
ed" href=3D"mailto:draft-ietf-teas-yang-te-topo@ietf.org" target=3D"_blank"=
>draft-ietf-teas-yang-te-topo@ietf.org</a></td>
          </tr>
        </tbody>
      </table>
      <br>
      <br>
      <br>
      The IETF WG state of draft-ietf-teas-yang-te-topo has been changed
      to &quot;WG<br>
      Document&quot; from &quot;Submitted to IESG for Publication&quot; by =
Deborah
      Brungard:<br>
      <br>
      <a class=3D"gmail-m_6948174107758835136moz-txt-link-freetext" href=3D=
"https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/" target=3D"=
_blank">https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/</a><=
br>
      <br>
      <br>
    </div>
  </div>

_______________________________________________<br>
Teas mailing list<br>
<a href=3D"mailto:Teas@ietf.org" target=3D"_blank">Teas@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/teas" rel=3D"noreferrer" t=
arget=3D"_blank">https://www.ietf.org/mailman/listinfo/teas</a><br>
</blockquote></div></div></div>

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Subject: Re: [Teas] Fwd: IETF WG state changed for draft-ietf-teas-yang-te-topo
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Xufeng,

 Â Â Â  Can you (or other authors) discuss the motivations/issue addressed 
by the information-source-instance?-- Perhaps I missed it, but I 
believeÂ  this was a change made without WG discussion.

Thank you,

Lou

On 3/8/2019 2:25 PM, Xufeng Liu wrote:
> Hi Lou,
>
> The change summary has been posted to the WG mailing list 
> (https://mailarchive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUujt29fysqHwwpI). 
> Please advise if the authors need to do anything further.
> Thanks,
> - Xufeng
>
> On Wed, Mar 6, 2019 at 4:21 PM Lou Berger <lberger@labn.net 
> <mailto:lberger@labn.net>> wrote:
>
>     All,
>
>     Â Â Â  The recent versions of the te-topology doc had sufficiently
>     significant technical changes that our AD and I, with input from
>     the authors, agreed that the document should come back to the WG
>     and to rerun a full last call process.Â  The key changes in rev -19
>     were:
>
>     - Referencing the te-types document and updates to point to its module
>
>     - introduction of information-source-instance
>
>     The second change is a technical change resulting from
>     implementation experience, so is a good change, but as it is a
>     substantive technical change the document has to come out of the
>     RFC editor queue to accept it.
>
>     Authors,
>     Can you send out a message summarizing all changes.
>
>     We will then restart the WG LC process.
>
>     Thank you,
>     Lou (as Shepherd/co-chair)
>
>     -------- Forwarded Message --------
>     Subject: 	IETF WG state changed for draft-ietf-teas-yang-te-topo
>     Date: 	Wed, 06 Mar 2019 10:49:31 -0800
>     From: 	IETF Secretariat <ietf-secretariat-reply@ietf.org>
>     <mailto:ietf-secretariat-reply@ietf.org>
>     To: 	lberger@labn.net <mailto:lberger@labn.net>,
>     teas-chairs@ietf.org <mailto:teas-chairs@ietf.org>,
>     draft-ietf-teas-yang-te-topo@ietf.org
>     <mailto:draft-ietf-teas-yang-te-topo@ietf.org>
>
>
>
>
>     The IETF WG state of draft-ietf-teas-yang-te-topo has been changed
>     to "WG
>     Document" from "Submitted to IESG for Publication" by Deborah
>     Brungard:
>
>     https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/
>
>
>     _______________________________________________
>     Teas mailing list
>     Teas@ietf.org <mailto:Teas@ietf.org>
>     https://www.ietf.org/mailman/listinfo/teas
>

--------------8EA819D79C2E525DFA618A80
Content-Type: text/html; charset=utf-8
Content-Transfer-Encoding: 8bit

<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
    <p>Xufeng,</p>
    <p>Â Â Â  Can you (or other authors) discuss the motivations/issue
      addressed by the information-source-instance?-- Perhaps I missed
      it, but I believeÂ  this was a change made without WG discussion.</p>
    <p>Thank you,</p>
    <p>Lou<br>
    </p>
    <div class="moz-cite-prefix">On 3/8/2019 2:25 PM, Xufeng Liu wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAEz6PPSHsPz0G80nANavYoM-Z6E_ar2nB+P0yoGeAVRBgBVDOw@mail.gmail.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">
        <div dir="ltr">
          <div>Hi Lou,</div>
          <div><br>
          </div>
          <div>The change summary has been posted to the WG mailing list
            (<a
href="https://mailarchive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUujt29fysqHwwpI"
              moz-do-not-send="true">https://mailarchive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUujt29fysqHwwpI</a>).
            Please advise if the authors need to do anything further.</div>
          <div>Thanks,</div>
          <div>- Xufeng<br>
          </div>
          <br>
          <div class="gmail_quote">
            <div dir="ltr" class="gmail_attr">On Wed, Mar 6, 2019 at
              4:21 PM Lou Berger &lt;<a href="mailto:lberger@labn.net"
                moz-do-not-send="true">lberger@labn.net</a>&gt; wrote:<br>
            </div>
            <blockquote class="gmail_quote" style="margin:0px 0px 0px
              0.8ex;border-left:1px solid
              rgb(204,204,204);padding-left:1ex">
              <div bgcolor="#FFFFFF">
                <p>All,</p>
                <p>Â Â Â  The recent versions of the te-topology doc had
                  sufficiently significant technical changes that our AD
                  and I, with input from the authors, agreed that the
                  document should come back to the WG and to rerun a
                  full last call process.Â  The key changes in rev -19
                  were:</p>
                <p> - Referencing the te-types document and updates to
                  point to its module</p>
                <p>- introduction of information-source-instance</p>
                <p>The second change is a technical change resulting
                  from implementation experience, so is a good change,
                  but as it is a substantive technical change the
                  document has to come out of the RFC editor queue to
                  accept it.<br>
                </p>
                <div
                  class="gmail-m_6948174107758835136moz-forward-container">Authors,</div>
                <div
                  class="gmail-m_6948174107758835136moz-forward-container">Â Â Â 
                  Can you send out a message summarizing all changes.</div>
                <div
                  class="gmail-m_6948174107758835136moz-forward-container"><br>
                </div>
                <div
                  class="gmail-m_6948174107758835136moz-forward-container">We
                  will then restart the WG LC process.</div>
                <div
                  class="gmail-m_6948174107758835136moz-forward-container"><br>
                </div>
                <div
                  class="gmail-m_6948174107758835136moz-forward-container">Thank
                  you,</div>
                <div
                  class="gmail-m_6948174107758835136moz-forward-container">Lou
                  (as Shepherd/co-chair)</div>
                <div
                  class="gmail-m_6948174107758835136moz-forward-container"><br>
                </div>
                <div
                  class="gmail-m_6948174107758835136moz-forward-container">--------
                  Forwarded Message --------
                  <table
                    class="gmail-m_6948174107758835136moz-email-headers-table"
                    cellspacing="0" cellpadding="0" border="0">
                    <tbody>
                      <tr>
                        <th valign="BASELINE" nowrap="nowrap"
                          align="RIGHT">Subject: </th>
                        <td>IETF WG state changed for
                          draft-ietf-teas-yang-te-topo</td>
                      </tr>
                      <tr>
                        <th valign="BASELINE" nowrap="nowrap"
                          align="RIGHT">Date: </th>
                        <td>Wed, 06 Mar 2019 10:49:31 -0800</td>
                      </tr>
                      <tr>
                        <th valign="BASELINE" nowrap="nowrap"
                          align="RIGHT">From: </th>
                        <td>IETF Secretariat <a
                            class="gmail-m_6948174107758835136moz-txt-link-rfc2396E"
href="mailto:ietf-secretariat-reply@ietf.org" target="_blank"
                            moz-do-not-send="true">&lt;ietf-secretariat-reply@ietf.org&gt;</a></td>
                      </tr>
                      <tr>
                        <th valign="BASELINE" nowrap="nowrap"
                          align="RIGHT">To: </th>
                        <td><a
                            class="gmail-m_6948174107758835136moz-txt-link-abbreviated"
                            href="mailto:lberger@labn.net"
                            target="_blank" moz-do-not-send="true">lberger@labn.net</a>,
                          <a
                            class="gmail-m_6948174107758835136moz-txt-link-abbreviated"
                            href="mailto:teas-chairs@ietf.org"
                            target="_blank" moz-do-not-send="true">teas-chairs@ietf.org</a>,
                          <a
                            class="gmail-m_6948174107758835136moz-txt-link-abbreviated"
href="mailto:draft-ietf-teas-yang-te-topo@ietf.org" target="_blank"
                            moz-do-not-send="true">draft-ietf-teas-yang-te-topo@ietf.org</a></td>
                      </tr>
                    </tbody>
                  </table>
                  <br>
                  <br>
                  <br>
                  The IETF WG state of draft-ietf-teas-yang-te-topo has
                  been changed to "WG<br>
                  Document" from "Submitted to IESG for Publication" by
                  Deborah Brungard:<br>
                  <br>
                  <a
                    class="gmail-m_6948174107758835136moz-txt-link-freetext"
href="https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/"
                    target="_blank" moz-do-not-send="true">https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/</a><br>
                  <br>
                  <br>
                </div>
              </div>
              _______________________________________________<br>
              Teas mailing list<br>
              <a href="mailto:Teas@ietf.org" target="_blank"
                moz-do-not-send="true">Teas@ietf.org</a><br>
              <a href="https://www.ietf.org/mailman/listinfo/teas"
                rel="noreferrer" target="_blank" moz-do-not-send="true">https://www.ietf.org/mailman/listinfo/teas</a><br>
            </blockquote>
          </div>
        </div>
      </div>
    </blockquote>
  </body>
</html>

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Thread-Topic: [Teas] Fwd: IETF WG state changed for draft-ietf-teas-yang-te-topo
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From: Lou Berger <lberger@labn.net>
To: TEAS WG <teas@ietf.org>
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Subject: [Teas] 2nd WG Last Call: draft-ietf-teas-yang-te-topo-19
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All,

This starts a three-week working group last call for
draft-ietf-teas-yang-te-topo-19

The LC is extended to allow for additional discussion during the 
upcoming IETF.

Key differences from the previous LC have been summarized on the list 
and can be seen at

https://tools.ietf.org/rfcdiff?difftype=--hwdiff&url2=draft-ietf-teas-yang-te-topo-19.txt

The working group last call ends on March 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)




From nobody Sat Mar  9 13:02:05 2019
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To: Igor Bryskin <Igor.Bryskin@huawei.com>, Xufeng Liu <xufeng.liu.ietf@gmail.com>
Cc: TEAS WG <teas@ietf.org>, "draft-ietf-teas-yang-te-topo@ietf.org" <draft-ietf-teas-yang-te-topo@ietf.org>
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From: Lou Berger <lberger@labn.net>
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Subject: Re: [Teas] Fwd: IETF WG state changed for draft-ietf-teas-yang-te-topo
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Hi Igor, (and authors)

 Â Â Â  Can you point to where in the archive this discussion took place - 
https://mailarchive.ietf.org/arch/browse/teas/?q=source%20instance isn't 
yielding helpful information.Â  It's also fine for the authors to make 
the case for the change now if a suitable reference can't be found.

Lou

PS For future reference, technical changes are generally now allowed 
once a document has been approved by the IESG, and even more rarely once 
in the RFC editor queue.Â  (This is nothing new - I remember having quite 
a discussion back when Jon P. was RFC editor and having to convince him 
that moving the '|' in a packet format half a bit over in a drawing 
didn't require moving the doc out of the RFC editor queue even though 
half bits clearly didn't match the text.)

On 3/8/2019 3:56 PM, Igor Bryskin wrote:
>
> Hi Lou,
>
> We have had quite a bit of Â private discussions between the 
> co-anthers, and I believe, we provided a summary to the WG.
>
> In our opinion it is a very simple, straightforward, yet quite useful 
> addition. It was brought Â to our attention by the model implementers 
> that for a given topological element (e.g. TE link) there could be 
> more than one instance of the same source of where the information has 
> come from. For example, there could be more Â than one instance of 
> OSPF-TE protocol running in the network, and it is useful for the 
> client application to understand which instance discovered/provided 
> information for which TE links. Â Before the change the model could 
> only indicate the type of the information source (OSPF-TE protocol), 
> but not its specific instance, hence the addition of the instance leaf.
>
> Regards,
>
> Igor (and co-authors)
>
> *From:*Lou Berger [mailto:lberger@labn.net]
> *Sent:* Friday, March 08, 2019 2:53 PM
> *To:* Xufeng Liu
> *Cc:* TEAS WG; draft-ietf-teas-yang-te-topo@ietf.org
> *Subject:* Re: [Teas] Fwd: IETF WG state changed for 
> draft-ietf-teas-yang-te-topo
>
> Xufeng,
>
> Â Â Â  Can you (or other authors) discuss the motivations/issue addressed 
> by the information-source-instance?-- Perhaps I missed it, but I 
> believeÂ  this was a change made without WG discussion.
>
> Thank you,
>
> Lou
>
> On 3/8/2019 2:25 PM, Xufeng Liu wrote:
>
>     Hi Lou,
>
>     The change summary has been posted to the WG mailing list
>     (https://mailarchive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUujt29fysqHwwpI).
>     Please advise if the authors need to do anything further.
>
>     Thanks,
>
>     - Xufeng
>
>     On Wed, Mar 6, 2019 at 4:21 PM Lou Berger <lberger@labn.net
>     <mailto:lberger@labn.net>> wrote:
>
>         All,
>
>         Â Â Â  The recent versions of the te-topology doc had
>         sufficiently significant technical changes that our AD and I,
>         with input from the authors, agreed that the document should
>         come back to the WG and to rerun a full last call process.Â 
>         The key changes in rev -19 were:
>
>         - Referencing the te-types document and updates to point to
>         its module
>
>         - introduction of information-source-instance
>
>         The second change is a technical change resulting from
>         implementation experience, so is a good change, but as it is a
>         substantive technical change the document has to come out of
>         the RFC editor queue to accept it.
>
>         Authors,
>
>         Â Â Â  Can you send out a message summarizing all changes.
>
>         We will then restart the WG LC process.
>
>         Thank you,
>
>         Lou (as Shepherd/co-chair)
>
>         -------- Forwarded Message --------
>
>         *Subject: *
>
>         	
>
>         IETF WG state changed for draft-ietf-teas-yang-te-topo
>
>         *Date: *
>
>         	
>
>         Wed, 06 Mar 2019 10:49:31 -0800
>
>         *From: *
>
>         	
>
>         IETF Secretariat <ietf-secretariat-reply@ietf.org>
>         <mailto:ietf-secretariat-reply@ietf.org>
>
>         *To: *
>
>         	
>
>         lberger@labn.net <mailto:lberger@labn.net>,
>         teas-chairs@ietf.org <mailto:teas-chairs@ietf.org>,
>         draft-ietf-teas-yang-te-topo@ietf.org
>         <mailto:draft-ietf-teas-yang-te-topo@ietf.org>
>
>
>
>
>         The IETF WG state of draft-ietf-teas-yang-te-topo has been
>         changed to "WG
>         Document" from "Submitted to IESG for Publication" by Deborah
>         Brungard:
>
>         https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/
>
>         _______________________________________________
>         Teas mailing list
>         Teas@ietf.org <mailto:Teas@ietf.org>
>         https://www.ietf.org/mailman/listinfo/teas
>

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    <p>Hi Igor, (and authors)<br>
    </p>
    <p>Â Â Â  Can you point to where in the archive this discussion took
      place -
      <a class="moz-txt-link-freetext" href="https://mailarchive.ietf.org/arch/browse/teas/?q=source%20instance">https://mailarchive.ietf.org/arch/browse/teas/?q=source%20instance</a>
      isn't yielding helpful information.Â  It's also fine for the
      authors to make the case for the change now if a suitable
      reference can't be found.</p>
    <p>Lou</p>
    <p>PS For future reference, technical changes are generally now
      allowed once a document has been approved by the IESG, and even
      more rarely once in the RFC editor queue.Â  (This is nothing new -
      I remember having quite a discussion back when Jon P. was RFC
      editor and having to convince him that moving the '|' in a packet
      format half a bit over in a drawing didn't require moving the doc
      out of the RFC editor queue even though half bits clearly didn't
      match the text.)<br>
    </p>
    <div class="moz-cite-prefix">On 3/8/2019 3:56 PM, Igor Bryskin
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:0C72C38E7EBC34499E8A9E7DD00786391C6B1B1C@sjceml521-mbx.china.huawei.com">
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      <div class="WordSection1">
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi
            Lou,<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>Â </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">We
            have had quite a bit of Â private discussions between the
            co-anthers, and I believe, we provided a summary to the WG.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">In
            our opinion it is a very simple, straightforward, yet quite
            useful addition. It was brought Â to our attention by the
            model implementers that for a given topological element
            (e.g. TE link) there could be more than one instance of the
            same source of where the information has come from. For
            example, there could be more Â than one instance of OSPF-TE
            protocol running in the network, and it is useful for the
            client application to understand which instance
            discovered/provided information for which TE links. Â Before
            the change the model could only indicate the type of the
            information source (OSPF-TE protocol), but not its specific
            instance, hence the addition of the instance leaf. Â <o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>Â </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Regards,<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Igor
            (and co-authors)<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>Â </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>Â </o:p></span></p>
        <div>
          <div style="border:none;border-top:solid #B5C4DF
            1.0pt;padding:3.0pt 0in 0in 0in">
            <p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">From:</span></b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">
                Lou Berger [<a class="moz-txt-link-freetext" href="mailto:lberger@labn.net">mailto:lberger@labn.net</a>]
                <br>
                <b>Sent:</b> Friday, March 08, 2019 2:53 PM<br>
                <b>To:</b> Xufeng Liu<br>
                <b>Cc:</b> TEAS WG;
                <a class="moz-txt-link-abbreviated" href="mailto:draft-ietf-teas-yang-te-topo@ietf.org">draft-ietf-teas-yang-te-topo@ietf.org</a><br>
                <b>Subject:</b> Re: [Teas] Fwd: IETF WG state changed
                for draft-ietf-teas-yang-te-topo<o:p></o:p></span></p>
          </div>
        </div>
        <p class="MsoNormal"><o:p>Â </o:p></p>
        <p>Xufeng,<o:p></o:p></p>
        <p>Â Â Â  Can you (or other authors) discuss the motivations/issue
          addressed by the information-source-instance?-- Perhaps I
          missed it, but I believeÂ  this was a change made without WG
          discussion.<o:p></o:p></p>
        <p>Thank you,<o:p></o:p></p>
        <p>Lou<o:p></o:p></p>
        <div>
          <p class="MsoNormal">On 3/8/2019 2:25 PM, Xufeng Liu wrote:<o:p></o:p></p>
        </div>
        <blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
          <div>
            <div>
              <div>
                <p class="MsoNormal">Hi Lou,<o:p></o:p></p>
              </div>
              <div>
                <p class="MsoNormal"><o:p>Â </o:p></p>
              </div>
              <div>
                <p class="MsoNormal">The change summary has been posted
                  to the WG mailing list (<a
href="https://mailarchive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUujt29fysqHwwpI"
                    moz-do-not-send="true">https://mailarchive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUujt29fysqHwwpI</a>).
                  Please advise if the authors need to do anything
                  further.<o:p></o:p></p>
              </div>
              <div>
                <p class="MsoNormal">Thanks,<o:p></o:p></p>
              </div>
              <div>
                <p class="MsoNormal">- Xufeng<o:p></o:p></p>
              </div>
              <p class="MsoNormal"><o:p>Â </o:p></p>
              <div>
                <div>
                  <p class="MsoNormal">On Wed, Mar 6, 2019 at 4:21 PM
                    Lou Berger &lt;<a href="mailto:lberger@labn.net"
                      moz-do-not-send="true">lberger@labn.net</a>&gt;
                    wrote:<o:p></o:p></p>
                </div>
                <blockquote style="border:none;border-left:solid #CCCCCC
                  1.0pt;padding:0in 0in 0in
                  6.0pt;margin-left:4.8pt;margin-right:0in">
                  <div>
                    <p>All,<o:p></o:p></p>
                    <p>Â Â Â  The recent versions of the te-topology doc
                      had sufficiently significant technical changes
                      that our AD and I, with input from the authors,
                      agreed that the document should come back to the
                      WG and to rerun a full last call process.Â  The key
                      changes in rev -19 were:<o:p></o:p></p>
                    <p>- Referencing the te-types document and updates
                      to point to its module<o:p></o:p></p>
                    <p>- introduction of information-source-instance<o:p></o:p></p>
                    <p>The second change is a technical change resulting
                      from implementation experience, so is a good
                      change, but as it is a substantive technical
                      change the document has to come out of the RFC
                      editor queue to accept it.<o:p></o:p></p>
                    <div>
                      <p class="MsoNormal">Authors,<o:p></o:p></p>
                    </div>
                    <div>
                      <p class="MsoNormal">Â Â Â  Can you send out a
                        message summarizing all changes.<o:p></o:p></p>
                    </div>
                    <div>
                      <p class="MsoNormal"><o:p>Â </o:p></p>
                    </div>
                    <div>
                      <p class="MsoNormal">We will then restart the WG
                        LC process.<o:p></o:p></p>
                    </div>
                    <div>
                      <p class="MsoNormal"><o:p>Â </o:p></p>
                    </div>
                    <div>
                      <p class="MsoNormal">Thank you,<o:p></o:p></p>
                    </div>
                    <div>
                      <p class="MsoNormal">Lou (as Shepherd/co-chair)<o:p></o:p></p>
                    </div>
                    <div>
                      <p class="MsoNormal"><o:p>Â </o:p></p>
                    </div>
                    <div>
                      <p class="MsoNormal">-------- Forwarded Message
                        -------- <o:p></o:p></p>
                      <table class="MsoNormalTable" cellspacing="0"
                        cellpadding="0" border="0">
                        <tbody>
                          <tr>
                            <td style="padding:0in 0in 0in 0in"
                              valign="top" nowrap="nowrap">
                              <p class="MsoNormal"
                                style="text-align:right" align="right"><b>Subject:
                                  <o:p></o:p></b></p>
                            </td>
                            <td style="padding:0in 0in 0in 0in">
                              <p class="MsoNormal">IETF WG state changed
                                for draft-ietf-teas-yang-te-topo<o:p></o:p></p>
                            </td>
                          </tr>
                          <tr>
                            <td style="padding:0in 0in 0in 0in"
                              valign="top" nowrap="nowrap">
                              <p class="MsoNormal"
                                style="text-align:right" align="right"><b>Date:
                                  <o:p></o:p></b></p>
                            </td>
                            <td style="padding:0in 0in 0in 0in">
                              <p class="MsoNormal">Wed, 06 Mar 2019
                                10:49:31 -0800<o:p></o:p></p>
                            </td>
                          </tr>
                          <tr>
                            <td style="padding:0in 0in 0in 0in"
                              valign="top" nowrap="nowrap">
                              <p class="MsoNormal"
                                style="text-align:right" align="right"><b>From:
                                  <o:p></o:p></b></p>
                            </td>
                            <td style="padding:0in 0in 0in 0in">
                              <p class="MsoNormal">IETF Secretariat <a
href="mailto:ietf-secretariat-reply@ietf.org" target="_blank"
                                  moz-do-not-send="true">
&lt;ietf-secretariat-reply@ietf.org&gt;</a><o:p></o:p></p>
                            </td>
                          </tr>
                          <tr>
                            <td style="padding:0in 0in 0in 0in"
                              valign="top" nowrap="nowrap">
                              <p class="MsoNormal"
                                style="text-align:right" align="right"><b>To:
                                  <o:p></o:p></b></p>
                            </td>
                            <td style="padding:0in 0in 0in 0in">
                              <p class="MsoNormal"><a
                                  href="mailto:lberger@labn.net"
                                  target="_blank" moz-do-not-send="true">lberger@labn.net</a>,
                                <a href="mailto:teas-chairs@ietf.org"
                                  target="_blank" moz-do-not-send="true">teas-chairs@ietf.org</a>,
                                <a
                                  href="mailto:draft-ietf-teas-yang-te-topo@ietf.org"
                                  target="_blank" moz-do-not-send="true">
                                  draft-ietf-teas-yang-te-topo@ietf.org</a><o:p></o:p></p>
                            </td>
                          </tr>
                        </tbody>
                      </table>
                      <p class="MsoNormal" style="margin-bottom:12.0pt"><br>
                        <br>
                        <br>
                        The IETF WG state of
                        draft-ietf-teas-yang-te-topo has been changed to
                        "WG<br>
                        Document" from "Submitted to IESG for
                        Publication" by Deborah Brungard:<br>
                        <br>
                        <a
                          href="https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/"
                          target="_blank" moz-do-not-send="true">https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/</a><br>
                        <br>
                        <o:p></o:p></p>
                    </div>
                  </div>
                  <p class="MsoNormal">_______________________________________________<br>
                    Teas mailing list<br>
                    <a href="mailto:Teas@ietf.org" target="_blank"
                      moz-do-not-send="true">Teas@ietf.org</a><br>
                    <a href="https://www.ietf.org/mailman/listinfo/teas"
                      target="_blank" moz-do-not-send="true">https://www.ietf.org/mailman/listinfo/teas</a><o:p></o:p></p>
                </blockquote>
              </div>
            </div>
          </div>
        </blockquote>
      </div>
    </blockquote>
  </body>
</html>

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From: Igor Bryskin <Igor.Bryskin@huawei.com>
To: "lberger@labn.net" <lberger@labn.net>, Igor Bryskin <Igor.Bryskin@huawei.com>, "xufeng.liu.ietf@gmail.com" <xufeng.liu.ietf@gmail.com>, "xufeng.liu.ietf@gmail.com" <xufeng.liu.ietf@gmail.com>
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Hi Xufeng,

I believe every time we published an update for the document we provided a =
summary of the changes since the previous revision.
Could you find the one for the latest update?

Lou,
Since the document was put into the RFC  Editor queue we have made far more=
 serious change - we replaced the dependency on te-tunnel model  with the d=
ependency on te-types model. You knew about our intention long time ago, as=
 well as that the document would need in this case another close look by WG=
. You have not warned us about the problem, nor pulled the document out of =
the queue then.
Now you are focused on the most trivial change (almost as harmful as changi=
ng Tarek's association from CSCO to Jniper), which could be easily reviewed=
 by the WG along with consequences of the depency change. Why is that?

Igor



Thanks,
Igor
From:Lou Berger
To:Igor Bryskin,Xufeng Liu,
Cc:TEAS WG,draft-ietf-teas-yang-te-topo@ietf.org,
Date:2019-03-09 15:56:11
Subject:Re: [Teas] Fwd: IETF WG state changed for draft-ietf-teas-yang-te-t=
opo


Hi Igor, (and authors)

    Can you point to where in the archive this discussion took place - http=
s://mailarchive.ietf.org/arch/browse/teas/?q=3Dsource%20instance isn't yiel=
ding helpful information.  It's also fine for the authors to make the case =
for the change now if a suitable reference can't be found.

Lou

PS For future reference, technical changes are generally now allowed once a=
 document has been approved by the IESG, and even more rarely once in the R=
FC editor queue.  (This is nothing new - I remember having quite a discussi=
on back when Jon P. was RFC editor and having to convince him that moving t=
he '|' in a packet format half a bit over in a drawing didn't require movin=
g the doc out of the RFC editor queue even though half bits clearly didn't =
match the text.)

On 3/8/2019 3:56 PM, Igor Bryskin wrote:
Hi Lou,

We have had quite a bit of  private discussions between the co-anthers, and=
 I believe, we provided a summary to the WG.
In our opinion it is a very simple, straightforward, yet quite useful addit=
ion. It was brought  to our attention by the model implementers that for a =
given topological element (e.g. TE link) there could be more than one insta=
nce of the same source of where the information has come from. For example,=
 there could be more  than one instance of OSPF-TE protocol running in the =
network, and it is useful for the client application to understand which in=
stance discovered/provided information for which TE links.  Before the chan=
ge the model could only indicate the type of the information source (OSPF-T=
E protocol), but not its specific instance, hence the addition of the insta=
nce leaf.

Regards,
Igor (and co-authors)


From: Lou Berger [mailto:lberger@labn.net]
Sent: Friday, March 08, 2019 2:53 PM
To: Xufeng Liu
Cc: TEAS WG; draft-ietf-teas-yang-te-topo@ietf.org<mailto:draft-ietf-teas-y=
ang-te-topo@ietf.org>
Subject: Re: [Teas] Fwd: IETF WG state changed for draft-ietf-teas-yang-te-=
topo


Xufeng,

    Can you (or other authors) discuss the motivations/issue addressed by t=
he information-source-instance?-- Perhaps I missed it, but I believe  this =
was a change made without WG discussion.

Thank you,

Lou
On 3/8/2019 2:25 PM, Xufeng Liu wrote:
Hi Lou,

The change summary has been posted to the WG mailing list (https://mailarch=
ive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUujt29fysqHwwpI). Please advise if t=
he authors need to do anything further.
Thanks,
- Xufeng

On Wed, Mar 6, 2019 at 4:21 PM Lou Berger <lberger@labn.net<mailto:lberger@=
labn.net>> wrote:

All,

    The recent versions of the te-topology doc had sufficiently significant=
 technical changes that our AD and I, with input from the authors, agreed t=
hat the document should come back to the WG and to rerun a full last call p=
rocess.  The key changes in rev -19 were:

- Referencing the te-types document and updates to point to its module

- introduction of information-source-instance

The second change is a technical change resulting from implementation exper=
ience, so is a good change, but as it is a substantive technical change the=
 document has to come out of the RFC editor queue to accept it.
Authors,
    Can you send out a message summarizing all changes.

We will then restart the WG LC process.

Thank you,
Lou (as Shepherd/co-chair)

-------- Forwarded Message --------
Subject:

IETF WG state changed for draft-ietf-teas-yang-te-topo

Date:

Wed, 06 Mar 2019 10:49:31 -0800

From:

IETF Secretariat <ietf-secretariat-reply@ietf.org><mailto:ietf-secretariat-=
reply@ietf.org>

To:

lberger@labn.net<mailto:lberger@labn.net>, teas-chairs@ietf.org<mailto:teas=
-chairs@ietf.org>, draft-ietf-teas-yang-te-topo@ietf.org<mailto:draft-ietf-=
teas-yang-te-topo@ietf.org>




The IETF WG state of draft-ietf-teas-yang-te-topo has been changed to "WG
Document" from "Submitted to IESG for Publication" by Deborah Brungard:

https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/

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

--_000_etPan5c85729871b896f228d2localhost_
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Content-Transfer-Encoding: quoted-printable

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<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"=
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<div>Hi Xufeng,<br>
<br>
I believe every time we published an update for the document we provided a =
summary of the changes since the previous revision.
<br>
Could you find the one for the latest update?<br>
<br>
Lou,<br>
Since the document was put into the RFC&nbsp; Editor queue we have made far=
 more serious change - we replaced the dependency on te-tunnel model&nbsp; =
with the dependency on te-types model. You knew about our intention long ti=
me ago, as well as that the document would
 need in this case another close look by WG. You have not warned us about t=
he problem, nor pulled the document out of the queue then.<br>
Now you are focused on the most trivial change (almost as harmful as changi=
ng Tarek's association from CSCO to Jniper), which could be easily reviewed=
 by the WG along with consequences of the depency change. Why is that?<br>
<br>
Igor<br>
<br>
<br>
<br>
Thanks,<br>
Igor</div>
<div name=3D"AnyOffice-Background-Image" style=3D"border-top:1px solid #B5C=
4DF; font-size:14px; line-height:20px; padding:8px">
<div style=3D"word-break:break-all"><b>From:</b>Lou Berger</div>
<div style=3D"word-break:break-all"><b>To:</b>Igor Bryskin,Xufeng Liu,</div=
>
<div style=3D"word-break:break-all"><b>Cc:</b>TEAS WG,draft-ietf-teas-yang-=
te-topo@ietf.org,</div>
<div style=3D"word-break:break-all"><b>Date:</b>2019-03-09 15:56:11</div>
<div style=3D"word-break:break-all"><b>Subject:</b>Re: [Teas] Fwd: IETF WG =
state changed for draft-ietf-teas-yang-te-topo</div>
<div><br>
</div>
</div>
<div>
<p>Hi Igor, (and authors)<br>
</p>
<p>&nbsp;&nbsp;&nbsp; Can you point to where in the archive this discussion=
 took place - <a class=3D"moz-txt-link-freetext" href=3D"https://mailarchiv=
e.ietf.org/arch/browse/teas/?q=3Dsource%20instance">
https://mailarchive.ietf.org/arch/browse/teas/?q=3Dsource%20instance</a> is=
n't yielding helpful information.&nbsp; It's also fine for the authors to m=
ake the case for the change now if a suitable reference can't be found.</p>
<p>Lou</p>
<p>PS For future reference, technical changes are generally now allowed onc=
e a document has been approved by the IESG, and even more rarely once in th=
e RFC editor queue.&nbsp; (This is nothing new - I remember having quite a =
discussion back when Jon P. was RFC editor
 and having to convince him that moving the '|' in a packet format half a b=
it over in a drawing didn't require moving the doc out of the RFC editor qu=
eue even though half bits clearly didn't match the text.)<br>
</p>
<div class=3D"moz-cite-prefix">On 3/8/2019 3:56 PM, Igor Bryskin wrote:<br>
</div>
<blockquote type=3D"cite"><style>
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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt; font-family:&quot;C=
alibri&quot;,&quot;sans-serif&quot;; color:#1F497D">Hi Lou,</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt; font-family:&quot;C=
alibri&quot;,&quot;sans-serif&quot;; color:#1F497D">&nbsp;</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt; font-family:&quot;C=
alibri&quot;,&quot;sans-serif&quot;; color:#1F497D">We have had quite a bit=
 of &nbsp;private discussions between the co-anthers, and I believe, we pro=
vided a summary to the WG.</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt; font-family:&quot;C=
alibri&quot;,&quot;sans-serif&quot;; color:#1F497D">In our opinion it is a =
very simple, straightforward, yet quite useful addition. It was brought &nb=
sp;to our attention by the model implementers that for a given
 topological element (e.g. TE link) there could be more than one instance o=
f the same source of where the information has come from. For example, ther=
e could be more &nbsp;than one instance of OSPF-TE protocol running in the =
network, and it is useful for the client
 application to understand which instance discovered/provided information f=
or which TE links. &nbsp;Before the change the model could only indicate th=
e type of the information source (OSPF-TE protocol), but not its specific i=
nstance, hence the addition of the instance
 leaf. &nbsp;</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt; font-family:&quot;C=
alibri&quot;,&quot;sans-serif&quot;; color:#1F497D">&nbsp;</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt; font-family:&quot;C=
alibri&quot;,&quot;sans-serif&quot;; color:#1F497D">Regards,</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt; font-family:&quot;C=
alibri&quot;,&quot;sans-serif&quot;; color:#1F497D">Igor (and co-authors)</=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt; font-family:&quot;C=
alibri&quot;,&quot;sans-serif&quot;; color:#1F497D">&nbsp;</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt; font-family:&quot;C=
alibri&quot;,&quot;sans-serif&quot;; color:#1F497D">&nbsp;</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:&quo=
t;Tahoma&quot;,&quot;sans-serif&quot;; color:windowtext">From:</span></b><s=
pan style=3D"font-size:10.0pt; font-family:&quot;Tahoma&quot;,&quot;sans-se=
rif&quot;; color:windowtext"> Lou Berger [<a class=3D"moz-txt-link-freetext=
" href=3D"mailto:lberger@labn.net">mailto:lberger@labn.net</a>]
<br>
<b>Sent:</b> Friday, March 08, 2019 2:53 PM<br>
<b>To:</b> Xufeng Liu<br>
<b>Cc:</b> TEAS WG; <a class=3D"moz-txt-link-abbreviated" href=3D"mailto:dr=
aft-ietf-teas-yang-te-topo@ietf.org">
draft-ietf-teas-yang-te-topo@ietf.org</a><br>
<b>Subject:</b> Re: [Teas] Fwd: IETF WG state changed for draft-ietf-teas-y=
ang-te-topo</span></p>
</div>
</div>
<p class=3D"MsoNormal">&nbsp;</p>
<p>Xufeng,</p>
<p>&nbsp;&nbsp;&nbsp; Can you (or other authors) discuss the motivations/is=
sue addressed by the information-source-instance?-- Perhaps I missed it, bu=
t I believe&nbsp; this was a change made without WG discussion.</p>
<p>Thank you,</p>
<p>Lou</p>
<div>
<p class=3D"MsoNormal">On 3/8/2019 2:25 PM, Xufeng Liu wrote:</p>
</div>
<blockquote style=3D"margin-top:5.0pt; margin-bottom:5.0pt">
<div>
<div>
<div>
<p class=3D"MsoNormal">Hi Lou,</p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;</p>
</div>
<div>
<p class=3D"MsoNormal">The change summary has been posted to the WG mailing=
 list (<a href=3D"https://mailarchive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUu=
jt29fysqHwwpI">https://mailarchive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUujt2=
9fysqHwwpI</a>). Please advise if the
 authors need to do anything further.</p>
</div>
<div>
<p class=3D"MsoNormal">Thanks,</p>
</div>
<div>
<p class=3D"MsoNormal">- Xufeng</p>
</div>
<p class=3D"MsoNormal">&nbsp;</p>
<div>
<div>
<p class=3D"MsoNormal">On Wed, Mar 6, 2019 at 4:21 PM Lou Berger &lt;<a hre=
f=3D"mailto:lberger@labn.net">lberger@labn.net</a>&gt; wrote:</p>
</div>
<blockquote style=3D"border:none; border-left:solid #CCCCCC
                  1.0pt; padding:0in 0in 0in
                  6.0pt; margin-left:4.8pt; margin-right:0in">
<div>
<p>All,</p>
<p>&nbsp;&nbsp;&nbsp; The recent versions of the te-topology doc had suffic=
iently significant technical changes that our AD and I, with input from the=
 authors, agreed that the document should come back to the WG and to rerun =
a full last call process.&nbsp; The key changes in rev
 -19 were:</p>
<p>- Referencing the te-types document and updates to point to its module</=
p>
<p>- introduction of information-source-instance</p>
<p>The second change is a technical change resulting from implementation ex=
perience, so is a good change, but as it is a substantive technical change =
the document has to come out of the RFC editor queue to accept it.</p>
<div>
<p class=3D"MsoNormal">Authors,</p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; Can you send out a message summar=
izing all changes.</p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;</p>
</div>
<div>
<p class=3D"MsoNormal">We will then restart the WG LC process.</p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;</p>
</div>
<div>
<p class=3D"MsoNormal">Thank you,</p>
</div>
<div>
<p class=3D"MsoNormal">Lou (as Shepherd/co-chair)</p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;</p>
</div>
<div>
<p class=3D"MsoNormal">-------- Forwarded Message -------- </p>
<table class=3D"MsoNormalTable" cellspacing=3D"0" cellpadding=3D"0" border=
=3D"0">
<tbody>
<tr>
<td valign=3D"top" nowrap=3D"nowrap" style=3D"padding:0in 0in 0in 0in">
<p class=3D"MsoNormal" align=3D"right" style=3D"text-align:right"><b>Subjec=
t: </b></p>
</td>
<td style=3D"padding:0in 0in 0in 0in">
<p class=3D"MsoNormal">IETF WG state changed for draft-ietf-teas-yang-te-to=
po</p>
</td>
</tr>
<tr>
<td valign=3D"top" nowrap=3D"nowrap" style=3D"padding:0in 0in 0in 0in">
<p class=3D"MsoNormal" align=3D"right" style=3D"text-align:right"><b>Date: =
</b></p>
</td>
<td style=3D"padding:0in 0in 0in 0in">
<p class=3D"MsoNormal">Wed, 06 Mar 2019 10:49:31 -0800</p>
</td>
</tr>
<tr>
<td valign=3D"top" nowrap=3D"nowrap" style=3D"padding:0in 0in 0in 0in">
<p class=3D"MsoNormal" align=3D"right" style=3D"text-align:right"><b>From: =
</b></p>
</td>
<td style=3D"padding:0in 0in 0in 0in">
<p class=3D"MsoNormal">IETF Secretariat <a href=3D"mailto:ietf-secretariat-=
reply@ietf.org" target=3D"_blank">
&lt;ietf-secretariat-reply@ietf.org&gt;</a></p>
</td>
</tr>
<tr>
<td valign=3D"top" nowrap=3D"nowrap" style=3D"padding:0in 0in 0in 0in">
<p class=3D"MsoNormal" align=3D"right" style=3D"text-align:right"><b>To: </=
b></p>
</td>
<td style=3D"padding:0in 0in 0in 0in">
<p class=3D"MsoNormal"><a href=3D"mailto:lberger@labn.net" target=3D"_blank=
">lberger@labn.net</a>,
<a href=3D"mailto:teas-chairs@ietf.org" target=3D"_blank">teas-chairs@ietf.=
org</a>, <a href=3D"mailto:draft-ietf-teas-yang-te-topo@ietf.org" target=3D=
"_blank">
draft-ietf-teas-yang-te-topo@ietf.org</a></p>
</td>
</tr>
</tbody>
</table>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><br>
<br>
<br>
The IETF WG state of draft-ietf-teas-yang-te-topo has been changed to &quot=
;WG<br>
Document&quot; from &quot;Submitted to IESG for Publication&quot; by Debora=
h Brungard:<br>
<br>
<a href=3D"https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/" =
target=3D"_blank">https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-=
topo/</a><br>
<br>
</p>
</div>
</div>
<p class=3D"MsoNormal">_______________________________________________<br>
Teas mailing list<br>
<a href=3D"mailto:Teas@ietf.org" target=3D"_blank">Teas@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/teas" target=3D"_blank">ht=
tps://www.ietf.org/mailman/listinfo/teas</a></p>
</blockquote>
</div>
</div>
</div>
</blockquote>
</div>
</blockquote>
</div>
</body>
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Subject: Re: [Teas] Fwd: IETF WG state changed for draft-ietf-teas-yang-te-topo
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Igor,

On 3/10/2019 4:22 PM, Igor Bryskin wrote:
> Hi Xufeng,
>
> I believe every time we published an update for the document we 
> provided a summary of the changes since the previous revision.
> Could you find the one for the latest update?
>
> Lou,
> Since the document was put into the RFC  Editor queue we have made far 
> more serious change - we replaced the dependency on te-tunnel model  
> with the dependency on te-types model. You knew about our intention 
> long time ago, as well as that the document would need in this case 
> another close look by WG. You have not warned us about the problem, 
> nor pulled the document out of the queue then.

Correct. This has been widely discussed, at the last IETF and on list.

> Now you are focused on the most trivial change (almost as harmful as 
> changing Tarek's association from CSCO to Jniper), which could be 
> easily reviewed by the WG along with consequences of the depency 
> change. Why is that?

The change in dependency was basically and editorial change, it was to 
reflect where the module was being defined.  An affiliation change is 
also not considered to be a substantive technical change by the IETF, 
remember we contribute to the IETF as individuals, so such affiliation 
changes are non problematic.  Most importantly,  the RFC editor was 
consulted *prior* to agreeing to this change, to ensure that it was an 
acceptable change while in the editor queue and that the reference 
change didn't require that it be pulled -- this was all coordinated with 
the Shepherd/AD/RFC-Editor and authors before it was discussed with the 
WG at the last IETF.

The reason that the technical change forced this reset is simply that it 
happened without any discussion with the IESG.

Once a document is submitted for publication, they own it - not the WG.  
Once our AD was notified that this change was made, the only question 
she had for me (as Shepherd/co-chair, Pavan was consulted but recused 
himself as he is a co-author) was if to send it back to the WG or remove 
the change and immediately start on a bis.  The former seemed the more 
reasonable.  At this point, we can always go the BIS route if that's 
what the WG decides.

Please also keep in mind that the WG owns the technical content of a WG 
document, not the authors or editors.  Authors and editors have a lot of 
leeway in how to gauge or build consensus, including making a change in 
an active WG document and then discussing it with the WG.  Ultimately it 
is WG last call that ensures that a document represents WG consensus 
prior to publication submission. It is true that technical changes also 
happen during IESG processing, and it is IETF last call that ensures the 
final technical comment matches IETF consensus - and it the AD that 
ensures the content matches IETF consensus.

A technical change, no matter how small, post all LCs and in the RFC 
editor queue initiated by the authors, without any coordination, is a 
serious process fowl.  Deborah was fully within her rights to reject 
this change and present the Chairs with the option of doing what we're 
doing or proceeding with RFC publication without the change.  BTW the 
formal version of this is documented in RFCs2418 and 4858.

Do you think we should proceed with publication without this change?  If 
so, please respond to the 2nd LC stating this.

Lou

(as Shepherd and Co-chair)

>
> Igor
>
>
>
> Thanks,
> Igor
> *From:*Lou Berger
> *To:*Igor Bryskin,Xufeng Liu,
> *Cc:*TEAS WG,draft-ietf-teas-yang-te-topo@ietf.org,
> *Date:*2019-03-09 15:56:11
> *Subject:*Re: [Teas] Fwd: IETF WG state changed for 
> draft-ietf-teas-yang-te-topo
>
> Hi Igor, (and authors)
>
>     Can you point to where in the archive this discussion took place - 
> https://mailarchive.ietf.org/arch/browse/teas/?q=source%20instance 
> isn't yielding helpful information.  It's also fine for the authors to 
> make the case for the change now if a suitable reference can't be found.
>
> Lou
>
> PS For future reference, technical changes are generally now allowed 
> once a document has been approved by the IESG, and even more rarely 
> once in the RFC editor queue.  (This is nothing new - I remember 
> having quite a discussion back when Jon P. was RFC editor and having 
> to convince him that moving the '|' in a packet format half a bit over 
> in a drawing didn't require moving the doc out of the RFC editor queue 
> even though half bits clearly didn't match the text.)
>
> On 3/8/2019 3:56 PM, Igor Bryskin wrote:
>>
>> Hi Lou,
>>
>> We have had quite a bit of  private discussions between the 
>> co-anthers, and I believe, we provided a summary to the WG.
>>
>> In our opinion it is a very simple, straightforward, yet quite useful 
>> addition. It was brought  to our attention by the model implementers 
>> that for a given topological element (e.g. TE link) there could be 
>> more than one instance of the same source of where the information 
>> has come from. For example, there could be more  than one instance of 
>> OSPF-TE protocol running in the network, and it is useful for the 
>> client application to understand which instance discovered/provided 
>> information for which TE links.  Before the change the model could 
>> only indicate the type of the information source (OSPF-TE protocol), 
>> but not its specific instance, hence the addition of the instance leaf.
>>
>> Regards,
>>
>> Igor (and co-authors)
>>
>> *From:*Lou Berger [mailto:lberger@labn.net]
>> *Sent:* Friday, March 08, 2019 2:53 PM
>> *To:* Xufeng Liu
>> *Cc:* TEAS WG; draft-ietf-teas-yang-te-topo@ietf.org
>> *Subject:* Re: [Teas] Fwd: IETF WG state changed for 
>> draft-ietf-teas-yang-te-topo
>>
>> Xufeng,
>>
>>     Can you (or other authors) discuss the motivations/issue 
>> addressed by the information-source-instance?-- Perhaps I missed it, 
>> but I believe  this was a change made without WG discussion.
>>
>> Thank you,
>>
>> Lou
>>
>> On 3/8/2019 2:25 PM, Xufeng Liu wrote:
>>
>>     Hi Lou,
>>
>>     The change summary has been posted to the WG mailing list
>>     (https://mailarchive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUujt29fysqHwwpI).
>>     Please advise if the authors need to do anything further.
>>
>>     Thanks,
>>
>>     - Xufeng
>>
>>     On Wed, Mar 6, 2019 at 4:21 PM Lou Berger <lberger@labn.net
>>     <mailto:lberger@labn.net>> wrote:
>>
>>         All,
>>
>>             The recent versions of the te-topology doc had
>>         sufficiently significant technical changes that our AD and I,
>>         with input from the authors, agreed that the document should
>>         come back to the WG and to rerun a full last call process. 
>>         The key changes in rev -19 were:
>>
>>         - Referencing the te-types document and updates to point to
>>         its module
>>
>>         - introduction of information-source-instance
>>
>>         The second change is a technical change resulting from
>>         implementation experience, so is a good change, but as it is
>>         a substantive technical change the document has to come out
>>         of the RFC editor queue to accept it.
>>
>>         Authors,
>>
>>             Can you send out a message summarizing all changes.
>>
>>         We will then restart the WG LC process.
>>
>>         Thank you,
>>
>>         Lou (as Shepherd/co-chair)
>>
>>         -------- Forwarded Message --------
>>
>>         *Subject: *
>>
>>         	
>>
>>         IETF WG state changed for draft-ietf-teas-yang-te-topo
>>
>>         *Date: *
>>
>>         	
>>
>>         Wed, 06 Mar 2019 10:49:31 -0800
>>
>>         *From: *
>>
>>         	
>>
>>         IETF Secretariat <ietf-secretariat-reply@ietf.org>
>>         <mailto:ietf-secretariat-reply@ietf.org>
>>
>>         *To: *
>>
>>         	
>>
>>         lberger@labn.net <mailto:lberger@labn.net>,
>>         teas-chairs@ietf.org <mailto:teas-chairs@ietf.org>,
>>         draft-ietf-teas-yang-te-topo@ietf.org
>>         <mailto:draft-ietf-teas-yang-te-topo@ietf.org>
>>
>>
>>
>>
>>         The IETF WG state of draft-ietf-teas-yang-te-topo has been
>>         changed to "WG
>>         Document" from "Submitted to IESG for Publication" by Deborah
>>         Brungard:
>>
>>         https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/
>>
>>         _______________________________________________
>>         Teas mailing list
>>         Teas@ietf.org <mailto:Teas@ietf.org>
>>         https://www.ietf.org/mailman/listinfo/teas
>>

--------------FA7034FF9421245EEB2CBC1E
Content-Type: text/html; charset=windows-1252
Content-Transfer-Encoding: 8bit

<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html;
      charset=windows-1252">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
    <p>Igor,<br>
    </p>
    <div class="moz-cite-prefix">On 3/10/2019 4:22 PM, Igor Bryskin
      wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:etPan.5c857298.71b896f2.28d2@localhost">
      <meta http-equiv="Content-Type" content="text/html;
        charset=windows-1252">
      <div>Hi Xufeng,<br>
        <br>
        I believe every time we published an update for the document we
        provided a summary of the changes since the previous revision.
        <br>
        Could you find the one for the latest update?<br>
        <br>
        Lou,<br>
        Since the document was put into the RFC  Editor queue we have
        made far more serious change - we replaced the dependency on
        te-tunnel model  with the dependency on te-types model. You knew
        about our intention long time ago, as well as that the document
        would need in this case another close look by WG. You have not
        warned us about the problem, nor pulled the document out of the
        queue then.<br>
      </div>
    </blockquote>
    <p>Correct. This has been widely discussed, at the last IETF and on
      list.</p>
    <blockquote type="cite"
      cite="mid:etPan.5c857298.71b896f2.28d2@localhost">
      <div>
        Now you are focused on the most trivial change (almost as
        harmful as changing Tarek's association from CSCO to Jniper),
        which could be easily reviewed by the WG along with consequences
        of the depency change. Why is that?<br>
      </div>
    </blockquote>
    <p>The change in dependency was basically and editorial change, it
      was to reflect where the module was being defined.  An affiliation
      change is also not considered to be a substantive technical change
      by the IETF, remember we contribute to the IETF as individuals, 
      so such affiliation changes are non problematic.  Most
      importantly,  the RFC editor was consulted *prior* to agreeing to
      this change, to ensure that it was an acceptable change while in
      the editor queue and that the reference change didn't require that
      it be pulled -- this was all coordinated with the
      Shepherd/AD/RFC-Editor and authors before it was discussed with
      the WG at the last IETF.<br>
    </p>
    <p>The reason that the technical change forced this reset is simply
      that it happened without any discussion with the IESG.  <br>
    </p>
    <p>Once a document is submitted for publication, they own it - not
      the WG.  Once our AD was notified that this change was made, the
      only question she had for me (as Shepherd/co-chair, Pavan was
      consulted but recused himself as he is a co-author) was if to send
      it back to the WG or remove the change and immediately start on a
      bis.  The former seemed the more reasonable.  At this point, we
      can always go the BIS route if that's what the WG decides.<br>
    </p>
    <p>Please also keep in mind that the WG owns the technical content
      of a WG document, not the authors or editors.  Authors and editors
      have a lot of leeway in how to gauge or build consensus, including
      making a change in an active WG document and then discussing it
      with the WG.  Ultimately it is WG last call that ensures that a
      document represents WG consensus prior to publication submission. 
      It is true that technical changes also happen during IESG
      processing, and it is IETF last call that ensures the final
      technical comment matches IETF consensus - and it the AD that
      ensures the content matches IETF consensus.  <br>
    </p>
    <p>A technical change, no matter how small, post all LCs and in the
      RFC editor queue initiated by the authors, without any
      coordination, is a serious process fowl.  Deborah was fully within
      her rights to reject this change and present the Chairs with the
      option of doing what we're doing or proceeding with RFC
      publication without the change.  BTW the formal version of this is
      documented in RFCs2418 and 4858.<br>
    </p>
    <p>Do you think we should proceed with publication without this
      change?  If so, please respond to the 2nd LC stating this.</p>
    <p>Lou</p>
    <p>(as Shepherd and Co-chair)<br>
    </p>
    <blockquote type="cite"
      cite="mid:etPan.5c857298.71b896f2.28d2@localhost">
      <div>
        <br>
        Igor<br>
        <br>
        <br>
        <br>
        Thanks,<br>
        Igor</div>
      <div name="AnyOffice-Background-Image" style="border-top:1px solid
        #B5C4DF; font-size:14px; line-height:20px; padding:8px">
        <div style="word-break:break-all"><b>From:</b>Lou Berger</div>
        <div style="word-break:break-all"><b>To:</b>Igor Bryskin,Xufeng
          Liu,</div>
        <div style="word-break:break-all"><b>Cc:</b>TEAS
          WG,<a class="moz-txt-link-abbreviated" href="mailto:draft-ietf-teas-yang-te-topo@ietf.org">draft-ietf-teas-yang-te-topo@ietf.org</a>,</div>
        <div style="word-break:break-all"><b>Date:</b>2019-03-09
          15:56:11</div>
        <div style="word-break:break-all"><b>Subject:</b>Re: [Teas] Fwd:
          IETF WG state changed for draft-ietf-teas-yang-te-topo</div>
        <div><br>
        </div>
      </div>
      <div>
        <p>Hi Igor, (and authors)<br>
        </p>
        <p>    Can you point to where in the archive this discussion
          took place - <a class="moz-txt-link-freetext"
href="https://mailarchive.ietf.org/arch/browse/teas/?q=source%20instance"
            moz-do-not-send="true">
https://mailarchive.ietf.org/arch/browse/teas/?q=source%20instance</a>
          isn't yielding helpful information.  It's also fine for the
          authors to make the case for the change now if a suitable
          reference can't be found.</p>
        <p>Lou</p>
        <p>PS For future reference, technical changes are generally now
          allowed once a document has been approved by the IESG, and
          even more rarely once in the RFC editor queue.  (This is
          nothing new - I remember having quite a discussion back when
          Jon P. was RFC editor and having to convince him that moving
          the '|' in a packet format half a bit over in a drawing didn't
          require moving the doc out of the RFC editor queue even though
          half bits clearly didn't match the text.)<br>
        </p>
        <div class="moz-cite-prefix">On 3/8/2019 3:56 PM, Igor Bryskin
          wrote:<br>
        </div>
        <blockquote type="cite">
          <style>
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          <div class="WordSection1">
            <p class="MsoNormal"><span style="font-size:11.0pt;
                font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;
                color:#1F497D">Hi Lou,</span></p>
            <p class="MsoNormal"><span style="font-size:11.0pt;
                font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;
                color:#1F497D"> </span></p>
            <p class="MsoNormal"><span style="font-size:11.0pt;
                font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;
                color:#1F497D">We have had quite a bit of  private
                discussions between the co-anthers, and I believe, we
                provided a summary to the WG.</span></p>
            <p class="MsoNormal"><span style="font-size:11.0pt;
                font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;
                color:#1F497D">In our opinion it is a very simple,
                straightforward, yet quite useful addition. It was
                brought  to our attention by the model implementers that
                for a given topological element (e.g. TE link) there
                could be more than one instance of the same source of
                where the information has come from. For example, there
                could be more  than one instance of OSPF-TE protocol
                running in the network, and it is useful for the client
                application to understand which instance
                discovered/provided information for which TE links.
                 Before the change the model could only indicate the
                type of the information source (OSPF-TE protocol), but
                not its specific instance, hence the addition of the
                instance leaf.  </span></p>
            <p class="MsoNormal"><span style="font-size:11.0pt;
                font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;
                color:#1F497D"> </span></p>
            <p class="MsoNormal"><span style="font-size:11.0pt;
                font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;
                color:#1F497D">Regards,</span></p>
            <p class="MsoNormal"><span style="font-size:11.0pt;
                font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;
                color:#1F497D">Igor (and co-authors)</span></p>
            <p class="MsoNormal"><span style="font-size:11.0pt;
                font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;
                color:#1F497D"> </span></p>
            <p class="MsoNormal"><span style="font-size:11.0pt;
                font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;
                color:#1F497D"> </span></p>
            <div>
              <div style="border:none; border-top:solid #B5C4DF&#xA;
                1.0pt; padding:3.0pt 0in 0in 0in">
                <p class="MsoNormal"><b><span style="font-size:10.0pt;
                      font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;
                      color:windowtext">From:</span></b><span
                    style="font-size:10.0pt;
                    font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;
                    color:windowtext"> Lou Berger [<a
                      class="moz-txt-link-freetext"
                      href="mailto:lberger@labn.net"
                      moz-do-not-send="true">mailto:lberger@labn.net</a>]
                    <br>
                    <b>Sent:</b> Friday, March 08, 2019 2:53 PM<br>
                    <b>To:</b> Xufeng Liu<br>
                    <b>Cc:</b> TEAS WG; <a
                      class="moz-txt-link-abbreviated"
                      href="mailto:draft-ietf-teas-yang-te-topo@ietf.org"
                      moz-do-not-send="true">
                      draft-ietf-teas-yang-te-topo@ietf.org</a><br>
                    <b>Subject:</b> Re: [Teas] Fwd: IETF WG state
                    changed for draft-ietf-teas-yang-te-topo</span></p>
              </div>
            </div>
            <p class="MsoNormal"> </p>
            <p>Xufeng,</p>
            <p>    Can you (or other authors) discuss the
              motivations/issue addressed by the
              information-source-instance?-- Perhaps I missed it, but I
              believe  this was a change made without WG discussion.</p>
            <p>Thank you,</p>
            <p>Lou</p>
            <div>
              <p class="MsoNormal">On 3/8/2019 2:25 PM, Xufeng Liu
                wrote:</p>
            </div>
            <blockquote style="margin-top:5.0pt; margin-bottom:5.0pt">
              <div>
                <div>
                  <div>
                    <p class="MsoNormal">Hi Lou,</p>
                  </div>
                  <div>
                    <p class="MsoNormal"> </p>
                  </div>
                  <div>
                    <p class="MsoNormal">The change summary has been
                      posted to the WG mailing list (<a
href="https://mailarchive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUujt29fysqHwwpI"
                        moz-do-not-send="true">https://mailarchive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUujt29fysqHwwpI</a>).
                      Please advise if the authors need to do anything
                      further.</p>
                  </div>
                  <div>
                    <p class="MsoNormal">Thanks,</p>
                  </div>
                  <div>
                    <p class="MsoNormal">- Xufeng</p>
                  </div>
                  <p class="MsoNormal"> </p>
                  <div>
                    <div>
                      <p class="MsoNormal">On Wed, Mar 6, 2019 at 4:21
                        PM Lou Berger &lt;<a
                          href="mailto:lberger@labn.net"
                          moz-do-not-send="true">lberger@labn.net</a>&gt;
                        wrote:</p>
                    </div>
                    <blockquote style="border:none; border-left:solid
                      #CCCCCC&#xA; 1.0pt; padding:0in 0in 0in&#xA;
                      6.0pt; margin-left:4.8pt; margin-right:0in">
                      <div>
                        <p>All,</p>
                        <p>    The recent versions of the te-topology
                          doc had sufficiently significant technical
                          changes that our AD and I, with input from the
                          authors, agreed that the document should come
                          back to the WG and to rerun a full last call
                          process.  The key changes in rev -19 were:</p>
                        <p>- Referencing the te-types document and
                          updates to point to its module</p>
                        <p>- introduction of information-source-instance</p>
                        <p>The second change is a technical change
                          resulting from implementation experience, so
                          is a good change, but as it is a substantive
                          technical change the document has to come out
                          of the RFC editor queue to accept it.</p>
                        <div>
                          <p class="MsoNormal">Authors,</p>
                        </div>
                        <div>
                          <p class="MsoNormal">    Can you send out a
                            message summarizing all changes.</p>
                        </div>
                        <div>
                          <p class="MsoNormal"> </p>
                        </div>
                        <div>
                          <p class="MsoNormal">We will then restart the
                            WG LC process.</p>
                        </div>
                        <div>
                          <p class="MsoNormal"> </p>
                        </div>
                        <div>
                          <p class="MsoNormal">Thank you,</p>
                        </div>
                        <div>
                          <p class="MsoNormal">Lou (as
                            Shepherd/co-chair)</p>
                        </div>
                        <div>
                          <p class="MsoNormal"> </p>
                        </div>
                        <div>
                          <p class="MsoNormal">-------- Forwarded
                            Message -------- </p>
                          <table class="MsoNormalTable" cellspacing="0"
                            cellpadding="0" border="0">
                            <tbody>
                              <tr>
                                <td style="padding:0in 0in 0in 0in"
                                  valign="top" nowrap="nowrap">
                                  <p class="MsoNormal"
                                    style="text-align:right"
                                    align="right"><b>Subject: </b></p>
                                </td>
                                <td style="padding:0in 0in 0in 0in">
                                  <p class="MsoNormal">IETF WG state
                                    changed for
                                    draft-ietf-teas-yang-te-topo</p>
                                </td>
                              </tr>
                              <tr>
                                <td style="padding:0in 0in 0in 0in"
                                  valign="top" nowrap="nowrap">
                                  <p class="MsoNormal"
                                    style="text-align:right"
                                    align="right"><b>Date: </b></p>
                                </td>
                                <td style="padding:0in 0in 0in 0in">
                                  <p class="MsoNormal">Wed, 06 Mar 2019
                                    10:49:31 -0800</p>
                                </td>
                              </tr>
                              <tr>
                                <td style="padding:0in 0in 0in 0in"
                                  valign="top" nowrap="nowrap">
                                  <p class="MsoNormal"
                                    style="text-align:right"
                                    align="right"><b>From: </b></p>
                                </td>
                                <td style="padding:0in 0in 0in 0in">
                                  <p class="MsoNormal">IETF Secretariat
                                    <a
                                      href="mailto:ietf-secretariat-reply@ietf.org"
                                      target="_blank"
                                      moz-do-not-send="true">
&lt;ietf-secretariat-reply@ietf.org&gt;</a></p>
                                </td>
                              </tr>
                              <tr>
                                <td style="padding:0in 0in 0in 0in"
                                  valign="top" nowrap="nowrap">
                                  <p class="MsoNormal"
                                    style="text-align:right"
                                    align="right"><b>To: </b></p>
                                </td>
                                <td style="padding:0in 0in 0in 0in">
                                  <p class="MsoNormal"><a
                                      href="mailto:lberger@labn.net"
                                      target="_blank"
                                      moz-do-not-send="true">lberger@labn.net</a>,
                                    <a
                                      href="mailto:teas-chairs@ietf.org"
                                      target="_blank"
                                      moz-do-not-send="true">teas-chairs@ietf.org</a>,
                                    <a
                                      href="mailto:draft-ietf-teas-yang-te-topo@ietf.org"
                                      target="_blank"
                                      moz-do-not-send="true">
draft-ietf-teas-yang-te-topo@ietf.org</a></p>
                                </td>
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                          <p class="MsoNormal"
                            style="margin-bottom:12.0pt"><br>
                            <br>
                            <br>
                            The IETF WG state of
                            draft-ietf-teas-yang-te-topo has been
                            changed to "WG<br>
                            Document" from "Submitted to IESG for
                            Publication" by Deborah Brungard:<br>
                            <br>
                            <a
                              href="https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/"
                              target="_blank" moz-do-not-send="true">https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/</a><br>
                            <br>
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From: Tarek Saad <tsaad.net@gmail.com>
To: Lou Berger <lberger@labn.net>, Xufeng Liu <xufeng.liu.ietf@gmail.com>
CC: "draft-ietf-teas-yang-te-topo@ietf.org" <draft-ietf-teas-yang-te-topo@ietf.org>, TEAS WG <teas@ietf.org>
Thread-Topic: [Teas] Fwd: IETF WG state changed for draft-ietf-teas-yang-te-topo
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Subject: Re: [Teas] Fwd: IETF WG state changed for draft-ietf-teas-yang-te-topo
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Hi Lou/WG,

I also confirm this topic of protocol source-instance was discussed in an i=
nternal meeting within the authors. I cant locate the minutes of that meeti=
ng, but the decision to add the information-source-instance is inline with =
other RFCs that carry IGP/BGP link state. For example, I quote from RFC7752=
, https://tools.ietf.org/html/rfc7752#section-3.2

=93
   Both OSPF and IS-IS MAY run multiple routing protocol instances over
   the same link.  See [RFC6822<https://tools.ietf.org/html/rfc6822>] and [=
RFC6549<https://tools.ietf.org/html/rfc6549>].  These instances define
   independent "routing universes".  The 64-bit Identifier field is used
   to identify the routing universe where the NLRI belongs.
=93

In above, the instance is encoded in the 64-bit identifier. In the TE topol=
ogy model, the information-source-instance plays the same role.

Regards,
Tarek

From: Teas <teas-bounces@ietf.org> on behalf of Lou Berger <lberger@labn.ne=
t>
Date: Friday, March 8, 2019 at 3:21 PM
To: Xufeng Liu <xufeng.liu.ietf@gmail.com>
Cc: "draft-ietf-teas-yang-te-topo@ietf.org" <draft-ietf-teas-yang-te-topo@i=
etf.org>, TEAS WG <teas@ietf.org>
Subject: Re: [Teas] Fwd: IETF WG state changed for draft-ietf-teas-yang-te-=
topo


Xufeng,

    Can you (or other authors) discuss the motivations/issue addressed by t=
he information-source-instance?-- Perhaps I missed it, but I believe  this =
was a change made without WG discussion.

Thank you,

Lou
On 3/8/2019 2:25 PM, Xufeng Liu wrote:
Hi Lou,

The change summary has been posted to the WG mailing list (https://mailarch=
ive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUujt29fysqHwwpI). Please advise if t=
he authors need to do anything further.
Thanks,
- Xufeng

On Wed, Mar 6, 2019 at 4:21 PM Lou Berger <lberger@labn.net<mailto:lberger@=
labn.net>> wrote:

All,

    The recent versions of the te-topology doc had sufficiently significant=
 technical changes that our AD and I, with input from the authors, agreed t=
hat the document should come back to the WG and to rerun a full last call p=
rocess.  The key changes in rev -19 were:

- Referencing the te-types document and updates to point to its module

- introduction of information-source-instance

The second change is a technical change resulting from implementation exper=
ience, so is a good change, but as it is a substantive technical change the=
 document has to come out of the RFC editor queue to accept it.
Authors,
    Can you send out a message summarizing all changes.

We will then restart the WG LC process.

Thank you,
Lou (as Shepherd/co-chair)

-------- Forwarded Message --------
Subject:

IETF WG state changed for draft-ietf-teas-yang-te-topo

Date:

Wed, 06 Mar 2019 10:49:31 -0800

From:

IETF Secretariat <ietf-secretariat-reply@ietf.org><mailto:ietf-secretariat-=
reply@ietf.org>

To:

lberger@labn.net<mailto:lberger@labn.net>, teas-chairs@ietf.org<mailto:teas=
-chairs@ietf.org>, draft-ietf-teas-yang-te-topo@ietf.org<mailto:draft-ietf-=
teas-yang-te-topo@ietf.org>




The IETF WG state of draft-ietf-teas-yang-te-topo has been changed to "WG
Document" from "Submitted to IESG for Publication" by Deborah Brungard:

https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/

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

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<body lang=3D"EN-US" link=3D"blue" vlink=3D"purple">
<div class=3D"WordSection1">
<p class=3D"MsoNormal">Hi Lou/WG,<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">I also confirm this topic of protocol source-instanc=
e was discussed in an internal meeting within the authors. I cant locate th=
e minutes of that meeting, but the decision to add the information-source-i=
nstance is inline with other RFCs
 that carry IGP/BGP link state. For example, I quote from RFC7752, <a href=
=3D"https://tools.ietf.org/html/rfc7752#section-3.2">
https://tools.ietf.org/html/rfc7752#section-3.2</a><o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">=93<o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;;color:black">&nbsp;&nbsp; Both OSPF and IS-IS MAY run multi=
ple routing protocol instances over<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;;color:black">&nbsp;&nbsp; the same link.&nbsp; See [<a href=
=3D"https://tools.ietf.org/html/rfc6822" title=3D"&quot;IS-IS Multi-Instanc=
e&quot;">RFC6822</a>] and [<a href=3D"https://tools.ietf.org/html/rfc6549" =
title=3D"&quot;OSPFv2 Multi- Instance Extensions&quot;">RFC6549</a>].&nbsp;
 These instances define<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;;color:black">&nbsp;&nbsp; independent &quot;routing univers=
es&quot;.&nbsp; The 64-bit Identifier field is used<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;;color:black">&nbsp;&nbsp; to identify the routing universe =
where the NLRI belongs.
<o:p></o:p></span></p>
<p class=3D"MsoNormal">=93<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">In above, the instance is encoded in the 64-bit iden=
tifier. In the TE topology model, the information-source-instance plays the=
 same role.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Regards,<o:p></o:p></p>
<p class=3D"MsoNormal">Tarek<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<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:12.0pt;color:black">From=
: </span></b><span style=3D"font-size:12.0pt;color:black">Teas &lt;teas-bou=
nces@ietf.org&gt; on behalf of Lou Berger &lt;lberger@labn.net&gt;<br>
<b>Date: </b>Friday, March 8, 2019 at 3:21 PM<br>
<b>To: </b>Xufeng Liu &lt;xufeng.liu.ietf@gmail.com&gt;<br>
<b>Cc: </b>&quot;draft-ietf-teas-yang-te-topo@ietf.org&quot; &lt;draft-ietf=
-teas-yang-te-topo@ietf.org&gt;, TEAS WG &lt;teas@ietf.org&gt;<br>
<b>Subject: </b>Re: [Teas] Fwd: IETF WG state changed for draft-ietf-teas-y=
ang-te-topo<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<p>Xufeng,<o:p></o:p></p>
<p>&nbsp;&nbsp;&nbsp; Can you (or other authors) discuss the motivations/is=
sue addressed by the information-source-instance?-- Perhaps I missed it, bu=
t I believe&nbsp; this was a change made without WG discussion.<o:p></o:p><=
/p>
<p>Thank you,<o:p></o:p></p>
<p>Lou<o:p></o:p></p>
<div>
<p class=3D"MsoNormal">On 3/8/2019 2:25 PM, Xufeng Liu wrote:<o:p></o:p></p=
>
</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<div>
<div>
<p class=3D"MsoNormal">Hi Lou,<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">The change summary has been posted to the WG mailing=
 list (<a href=3D"https://mailarchive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUu=
jt29fysqHwwpI">https://mailarchive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUujt2=
9fysqHwwpI</a>). Please advise if the
 authors need to do anything further.<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Thanks,<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">- Xufeng<o:p></o:p></p>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<div>
<p class=3D"MsoNormal">On Wed, Mar 6, 2019 at 4:21 PM Lou Berger &lt;<a hre=
f=3D"mailto:lberger@labn.net">lberger@labn.net</a>&gt; wrote:<o:p></o:p></p=
>
</div>
<blockquote style=3D"border:none;border-left:solid #CCCCCC 1.0pt;padding:0i=
n 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in">
<div>
<p>All,<o:p></o:p></p>
<p>&nbsp;&nbsp;&nbsp; The recent versions of the te-topology doc had suffic=
iently significant technical changes that our AD and I, with input from the=
 authors, agreed that the document should come back to the WG and to rerun =
a full last call process.&nbsp; The key changes in rev
 -19 were:<o:p></o:p></p>
<p>- Referencing the te-types document and updates to point to its module<o=
:p></o:p></p>
<p>- introduction of information-source-instance<o:p></o:p></p>
<p>The second change is a technical change resulting from implementation ex=
perience, so is a good change, but as it is a substantive technical change =
the document has to come out of the RFC editor queue to accept it.<o:p></o:=
p></p>
<div>
<p class=3D"MsoNormal">Authors,<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; Can you send out a message summar=
izing all changes.<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">We will then restart the WG LC process.<o:p></o:p></=
p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Thank you,<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Lou (as Shepherd/co-chair)<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">-------- Forwarded Message -------- <o:p></o:p></p>
<table class=3D"MsoNormalTable" border=3D"0" cellspacing=3D"0" cellpadding=
=3D"0">
<tbody>
<tr>
<td nowrap=3D"" valign=3D"top" style=3D"padding:0in 0in 0in 0in">
<p class=3D"MsoNormal" align=3D"right" style=3D"text-align:right"><b>Subjec=
t: <o:p></o:p></b></p>
</td>
<td style=3D"padding:0in 0in 0in 0in">
<p class=3D"MsoNormal">IETF WG state changed for draft-ietf-teas-yang-te-to=
po<o:p></o:p></p>
</td>
</tr>
<tr>
<td nowrap=3D"" valign=3D"top" style=3D"padding:0in 0in 0in 0in">
<p class=3D"MsoNormal" align=3D"right" style=3D"text-align:right"><b>Date: =
<o:p></o:p></b></p>
</td>
<td style=3D"padding:0in 0in 0in 0in">
<p class=3D"MsoNormal">Wed, 06 Mar 2019 10:49:31 -0800<o:p></o:p></p>
</td>
</tr>
<tr>
<td nowrap=3D"" valign=3D"top" style=3D"padding:0in 0in 0in 0in">
<p class=3D"MsoNormal" align=3D"right" style=3D"text-align:right"><b>From: =
<o:p></o:p></b></p>
</td>
<td style=3D"padding:0in 0in 0in 0in">
<p class=3D"MsoNormal">IETF Secretariat <a href=3D"mailto:ietf-secretariat-=
reply@ietf.org" target=3D"_blank">
&lt;ietf-secretariat-reply@ietf.org&gt;</a><o:p></o:p></p>
</td>
</tr>
<tr>
<td nowrap=3D"" valign=3D"top" style=3D"padding:0in 0in 0in 0in">
<p class=3D"MsoNormal" align=3D"right" style=3D"text-align:right"><b>To: <o=
:p></o:p></b></p>
</td>
<td style=3D"padding:0in 0in 0in 0in">
<p class=3D"MsoNormal"><a href=3D"mailto:lberger@labn.net" target=3D"_blank=
">lberger@labn.net</a>,
<a href=3D"mailto:teas-chairs@ietf.org" target=3D"_blank">teas-chairs@ietf.=
org</a>, <a href=3D"mailto:draft-ietf-teas-yang-te-topo@ietf.org" target=3D=
"_blank">
draft-ietf-teas-yang-te-topo@ietf.org</a><o:p></o:p></p>
</td>
</tr>
</tbody>
</table>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><br>
<br>
<br>
The IETF WG state of draft-ietf-teas-yang-te-topo has been changed to &quot=
;WG<br>
Document&quot; from &quot;Submitted to IESG for Publication&quot; by Debora=
h Brungard:<br>
<br>
<a href=3D"https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/" =
target=3D"_blank">https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-=
topo/</a><br>
<br>
<o:p></o:p></p>
</div>
</div>
<p class=3D"MsoNormal">_______________________________________________<br>
Teas mailing list<br>
<a href=3D"mailto:Teas@ietf.org" target=3D"_blank">Teas@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/teas" target=3D"_blank">ht=
tps://www.ietf.org/mailman/listinfo/teas</a><o:p></o:p></p>
</blockquote>
</div>
</div>
</div>
</blockquote>
</div>
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From: Vishnu Pavan Beeram <vishnupavan@gmail.com>
Date: Sun, 10 Mar 2019 21:18:36 -0500
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To: Lou Berger <lberger@labn.net>
Cc: Igor Bryskin <Igor.Bryskin@huawei.com>,  "xufeng.liu.ietf@gmail.com" <xufeng.liu.ietf@gmail.com>,  "BRUNGARD, DEBORAH A (ATTLABS)" <db3546@att.com>,  "draft-ietf-teas-yang-te-topo@ietf.org" <draft-ietf-teas-yang-te-topo@ietf.org>, "teas@ietf.org" <teas@ietf.org>
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Subject: Re: [Teas] Fwd: IETF WG state changed for draft-ietf-teas-yang-te-topo
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Igor,

The only foul that the authors made was to not discuss the diffs on the
list before submitting rev-19. There was an incorrect assumption made (by
the authors) that Xufeng's post submission email with details on the diffs
was sufficient to trigger the necessary discussion. This was an oversight
and had no intended malice. This practice (of submitting the changes first
and then triggering a discussion about the diffs) is sort of deemed
acceptable while the document is being reviewed by the WG or IESG, but not
while it is sitting in the RFC Editor's queue. In hindsight, given that the
document was sitting in the RFC Editor's queue, the authors should have
reached out to the AD/Shepherd for guidance before submission (and I take
the blame on behalf of the authors for not doing it).


Lou, Hi!

>> Do you think we should proceed with publication without this change?

I think the WG would need more details (to weigh in with an informed
opinion) on how proceeding with publication without this change would
impact the progress of the document. If a new rev is published now without
the information-source-instance change (and with all the other changes made
in rev 19 left intact), would the document skip back to the RFC-Editor's
queue without any IESG involvement?

Regards,

-Pavan (no hat on)

On Sun, Mar 10, 2019 at 5:08 PM Lou Berger <lberger@labn.net> wrote:

> Igor,
> On 3/10/2019 4:22 PM, Igor Bryskin wrote:
>
> Hi Xufeng,
>
> I believe every time we published an update for the document we provided a
> summary of the changes since the previous revision.
> Could you find the one for the latest update?
>
> Lou,
> Since the document was put into the RFC  Editor queue we have made far
> more serious change - we replaced the dependency on te-tunnel model  with
> the dependency on te-types model. You knew about our intention long time
> ago, as well as that the document would need in this case another close
> look by WG. You have not warned us about the problem, nor pulled the
> document out of the queue then.
>
> Correct. This has been widely discussed, at the last IETF and on list.
>
> Now you are focused on the most trivial change (almost as harmful as
> changing Tarek's association from CSCO to Jniper), which could be easily
> reviewed by the WG along with consequences of the depency change. Why is
> that?
>
> The change in dependency was basically and editorial change, it was to
> reflect where the module was being defined.  An affiliation change is also
> not considered to be a substantive technical change by the IETF, remember
> we contribute to the IETF as individuals,  so such affiliation changes are
> non problematic.  Most importantly,  the RFC editor was consulted *prior*
> to agreeing to this change, to ensure that it was an acceptable change
> while in the editor queue and that the reference change didn't require that
> it be pulled -- this was all coordinated with the Shepherd/AD/RFC-Editor
> and authors before it was discussed with the WG at the last IETF.
>
> The reason that the technical change forced this reset is simply that it
> happened without any discussion with the IESG.
>
> Once a document is submitted for publication, they own it - not the WG.
> Once our AD was notified that this change was made, the only question she
> had for me (as Shepherd/co-chair, Pavan was consulted but recused himself
> as he is a co-author) was if to send it back to the WG or remove the change
> and immediately start on a bis.  The former seemed the more reasonable.  At
> this point, we can always go the BIS route if that's what the WG decides.
>
> Please also keep in mind that the WG owns the technical content of a WG
> document, not the authors or editors.  Authors and editors have a lot of
> leeway in how to gauge or build consensus, including making a change in an
> active WG document and then discussing it with the WG.  Ultimately it is WG
> last call that ensures that a document represents WG consensus prior to
> publication submission.  It is true that technical changes also happen
> during IESG processing, and it is IETF last call that ensures the final
> technical comment matches IETF consensus - and it the AD that ensures the
> content matches IETF consensus.
>
> A technical change, no matter how small, post all LCs and in the RFC
> editor queue initiated by the authors, without any coordination, is a
> serious process fowl.  Deborah was fully within her rights to reject this
> change and present the Chairs with the option of doing what we're doing or
> proceeding with RFC publication without the change.  BTW the formal version
> of this is documented in RFCs2418 and 4858.
>
> Do you think we should proceed with publication without this change?  If
> so, please respond to the 2nd LC stating this.
>
> Lou
>
> (as Shepherd and Co-chair)
>
>
> Igor
>
>
>
> Thanks,
> Igor
> *From:*Lou Berger
> *To:*Igor Bryskin,Xufeng Liu,
> *Cc:*TEAS WG,draft-ietf-teas-yang-te-topo@ietf.org,
> *Date:*2019-03-09 15:56:11
> *Subject:*Re: [Teas] Fwd: IETF WG state changed for
> draft-ietf-teas-yang-te-topo
>
> Hi Igor, (and authors)
>
>     Can you point to where in the archive this discussion took place -
> https://mailarchive.ietf.org/arch/browse/teas/?q=source%20instance isn't
> yielding helpful information.  It's also fine for the authors to make the
> case for the change now if a suitable reference can't be found.
>
> Lou
>
> PS For future reference, technical changes are generally now allowed once
> a document has been approved by the IESG, and even more rarely once in the
> RFC editor queue.  (This is nothing new - I remember having quite a
> discussion back when Jon P. was RFC editor and having to convince him that
> moving the '|' in a packet format half a bit over in a drawing didn't
> require moving the doc out of the RFC editor queue even though half bits
> clearly didn't match the text.)
> On 3/8/2019 3:56 PM, Igor Bryskin wrote:
>
> Hi Lou,
>
>
>
> We have had quite a bit of  private discussions between the co-anthers,
> and I believe, we provided a summary to the WG.
>
> In our opinion it is a very simple, straightforward, yet quite useful
> addition. It was brought  to our attention by the model implementers that
> for a given topological element (e.g. TE link) there could be more than one
> instance of the same source of where the information has come from. For
> example, there could be more  than one instance of OSPF-TE protocol running
> in the network, and it is useful for the client application to understand
> which instance discovered/provided information for which TE links.  Before
> the change the model could only indicate the type of the information source
> (OSPF-TE protocol), but not its specific instance, hence the addition of
> the instance leaf.
>
>
>
> Regards,
>
> Igor (and co-authors)
>
>
>
>
>
> *From:* Lou Berger [mailto:lberger@labn.net <lberger@labn.net>]
> *Sent:* Friday, March 08, 2019 2:53 PM
> *To:* Xufeng Liu
> *Cc:* TEAS WG; draft-ietf-teas-yang-te-topo@ietf.org
> *Subject:* Re: [Teas] Fwd: IETF WG state changed for
> draft-ietf-teas-yang-te-topo
>
>
>
> Xufeng,
>
>     Can you (or other authors) discuss the motivations/issue addressed by
> the information-source-instance?-- Perhaps I missed it, but I believe  this
> was a change made without WG discussion.
>
> Thank you,
>
> Lou
>
> On 3/8/2019 2:25 PM, Xufeng Liu wrote:
>
> Hi Lou,
>
>
>
> The change summary has been posted to the WG mailing list (
> https://mailarchive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUujt29fysqHwwpI).
> Please advise if the authors need to do anything further.
>
> Thanks,
>
> - Xufeng
>
>
>
> On Wed, Mar 6, 2019 at 4:21 PM Lou Berger <lberger@labn.net> wrote:
>
> All,
>
>     The recent versions of the te-topology doc had sufficiently
> significant technical changes that our AD and I, with input from the
> authors, agreed that the document should come back to the WG and to rerun a
> full last call process.  The key changes in rev -19 were:
>
> - Referencing the te-types document and updates to point to its module
>
> - introduction of information-source-instance
>
> The second change is a technical change resulting from implementation
> experience, so is a good change, but as it is a substantive technical
> change the document has to come out of the RFC editor queue to accept it.
>
> Authors,
>
>     Can you send out a message summarizing all changes.
>
>
>
> We will then restart the WG LC process.
>
>
>
> Thank you,
>
> Lou (as Shepherd/co-chair)
>
>
>
> -------- Forwarded Message --------
>
> *Subject: *
>
> IETF WG state changed for draft-ietf-teas-yang-te-topo
>
> *Date: *
>
> Wed, 06 Mar 2019 10:49:31 -0800
>
> *From: *
>
> IETF Secretariat <ietf-secretariat-reply@ietf.org>
> <ietf-secretariat-reply@ietf.org>
>
> *To: *
>
> lberger@labn.net, teas-chairs@ietf.org,
> draft-ietf-teas-yang-te-topo@ietf.org
>
>
>
>
> The IETF WG state of draft-ietf-teas-yang-te-topo has been changed to "WG
> Document" from "Submitted to IESG for Publication" by Deborah Brungard:
>
> https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>

--0000000000005424410583c83151
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div>Igor,</div><div><br></div><div>The only foul that the=
 authors made was to not discuss the diffs on the list before submitting re=
v-19. There was an incorrect assumption made (by the authors) that Xufeng&#=
39;s post submission email with details on the diffs was sufficient to trig=
ger the necessary discussion. This was an oversight and had no intended mal=
ice. This practice (of submitting the changes first and then triggering a d=
iscussion about the diffs) is sort of deemed acceptable while the document =
is being reviewed by the WG or IESG, but not while it is sitting in the RFC=
 Editor&#39;s queue. In hindsight, given that the document was sitting in t=
he RFC Editor&#39;s queue, the authors should have reached out to the AD/Sh=
epherd for guidance before submission (and I take the blame on behalf of th=
e authors for not doing it). <br></div><div><br></div><div><br></div><div>L=
ou, Hi!<br></div><div><p>&gt;&gt; Do you think we should proceed with publi=
cation without this
      change?=C2=A0 <br></p><p>I think the WG would need more details (to w=
eigh in with an informed opinion) on how proceeding with publication withou=
t this change would impact the progress of the document. If a new rev is pu=
blished now without the information-source-instance change (and with all th=
e other changes made in rev 19 left intact), would the document skip back t=
o the RFC-Editor&#39;s queue without any IESG involvement? <br></p><p>Regar=
ds,</p><p>-Pavan (no hat on)<br></p></div></div><br><div class=3D"gmail_quo=
te"><div dir=3D"ltr" class=3D"gmail_attr">On Sun, Mar 10, 2019 at 5:08 PM L=
ou Berger &lt;<a href=3D"mailto:lberger@labn.net">lberger@labn.net</a>&gt; =
wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0=
px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
 =20
   =20
 =20
  <div bgcolor=3D"#FFFFFF">
    <p>Igor,<br>
    </p>
    <div class=3D"gmail-m_6343251144114555206moz-cite-prefix">On 3/10/2019 =
4:22 PM, Igor Bryskin
      wrote:<br>
    </div>
    <blockquote type=3D"cite">
     =20
      <div>Hi Xufeng,<br>
        <br>
        I believe every time we published an update for the document we
        provided a summary of the changes since the previous revision.
        <br>
        Could you find the one for the latest update?<br>
        <br>
        Lou,<br>
        Since the document was put into the RFC=C2=A0 Editor queue we have
        made far more serious change - we replaced the dependency on
        te-tunnel model=C2=A0 with the dependency on te-types model. You kn=
ew
        about our intention long time ago, as well as that the document
        would need in this case another close look by WG. You have not
        warned us about the problem, nor pulled the document out of the
        queue then.<br>
      </div>
    </blockquote>
    <p>Correct. This has been widely discussed, at the last IETF and on
      list.</p>
    <blockquote type=3D"cite">
      <div>
        Now you are focused on the most trivial change (almost as
        harmful as changing Tarek&#39;s association from CSCO to Jniper),
        which could be easily reviewed by the WG along with consequences
        of the depency change. Why is that?<br>
      </div>
    </blockquote>
    <p>The change in dependency was basically and editorial change, it
      was to reflect where the module was being defined.=C2=A0 An affiliati=
on
      change is also not considered to be a substantive technical change
      by the IETF, remember we contribute to the IETF as individuals,=C2=A0
      so such affiliation changes are non problematic.=C2=A0 Most
      importantly,=C2=A0 the RFC editor was consulted *prior* to agreeing t=
o
      this change, to ensure that it was an acceptable change while in
      the editor queue and that the reference change didn&#39;t require tha=
t
      it be pulled -- this was all coordinated with the
      Shepherd/AD/RFC-Editor and authors before it was discussed with
      the WG at the last IETF.<br>
    </p>
    <p>The reason that the technical change forced this reset is simply
      that it happened without any discussion with the IESG.=C2=A0 <br>
    </p>
    <p>Once a document is submitted for publication, they own it - not
      the WG.=C2=A0 Once our AD was notified that this change was made, the
      only question she had for me (as Shepherd/co-chair, Pavan was
      consulted but recused himself as he is a co-author) was if to send
      it back to the WG or remove the change and immediately start on a
      bis.=C2=A0 The former seemed the more reasonable.=C2=A0 At this point=
, we
      can always go the BIS route if that&#39;s what the WG decides.<br>
    </p>
    <p>Please also keep in mind that the WG owns the technical content
      of a WG document, not the authors or editors.=C2=A0 Authors and edito=
rs
      have a lot of leeway in how to gauge or build consensus, including
      making a change in an active WG document and then discussing it
      with the WG.=C2=A0 Ultimately it is WG last call that ensures that a
      document represents WG consensus prior to publication submission.=C2=
=A0
      It is true that technical changes also happen during IESG
      processing, and it is IETF last call that ensures the final
      technical comment matches IETF consensus - and it the AD that
      ensures the content matches IETF consensus.=C2=A0 <br>
    </p>
    <p>A technical change, no matter how small, post all LCs and in the
      RFC editor queue initiated by the authors, without any
      coordination, is a serious process fowl.=C2=A0 Deborah was fully with=
in
      her rights to reject this change and present the Chairs with the
      option of doing what we&#39;re doing or proceeding with RFC
      publication without the change.=C2=A0 BTW the formal version of this =
is
      documented in RFCs2418 and 4858.<br>
    </p>
    <p>Do you think we should proceed with publication without this
      change?=C2=A0 If so, please respond to the 2nd LC stating this.</p>
    <p>Lou</p>
    <p>(as Shepherd and Co-chair)<br>
    </p>
    <blockquote type=3D"cite">
      <div>
        <br>
        Igor<br>
        <br>
        <br>
        <br>
        Thanks,<br>
        Igor</div>
      <div name=3D"AnyOffice-Background-Image" style=3D"border-top:1px soli=
d rgb(181,196,223);font-size:14px;line-height:20px;padding:8px">
        <div style=3D"word-break:break-all"><b>From:</b>Lou Berger</div>
        <div style=3D"word-break:break-all"><b>To:</b>Igor Bryskin,Xufeng
          Liu,</div>
        <div style=3D"word-break:break-all"><b>Cc:</b>TEAS
          WG,<a class=3D"gmail-m_6343251144114555206moz-txt-link-abbreviate=
d" href=3D"mailto:draft-ietf-teas-yang-te-topo@ietf.org" target=3D"_blank">=
draft-ietf-teas-yang-te-topo@ietf.org</a>,</div>
        <div style=3D"word-break:break-all"><b>Date:</b>2019-03-09
          15:56:11</div>
        <div style=3D"word-break:break-all"><b>Subject:</b>Re: [Teas] Fwd:
          IETF WG state changed for draft-ietf-teas-yang-te-topo</div>
        <div><br>
        </div>
      </div>
      <div>
        <p>Hi Igor, (and authors)<br>
        </p>
        <p>=C2=A0=C2=A0=C2=A0 Can you point to where in the archive this di=
scussion
          took place - <a class=3D"gmail-m_6343251144114555206moz-txt-link-=
freetext" href=3D"https://mailarchive.ietf.org/arch/browse/teas/?q=3Dsource=
%20instance" target=3D"_blank">
https://mailarchive.ietf.org/arch/browse/teas/?q=3Dsource%20instance</a>
          isn&#39;t yielding helpful information.=C2=A0 It&#39;s also fine =
for the
          authors to make the case for the change now if a suitable
          reference can&#39;t be found.</p>
        <p>Lou</p>
        <p>PS For future reference, technical changes are generally now
          allowed once a document has been approved by the IESG, and
          even more rarely once in the RFC editor queue.=C2=A0 (This is
          nothing new - I remember having quite a discussion back when
          Jon P. was RFC editor and having to convince him that moving
          the &#39;|&#39; in a packet format half a bit over in a drawing d=
idn&#39;t
          require moving the doc out of the RFC editor queue even though
          half bits clearly didn&#39;t match the text.)<br>
        </p>
        <div class=3D"gmail-m_6343251144114555206moz-cite-prefix">On 3/8/20=
19 3:56 PM, Igor Bryskin
          wrote:<br>
        </div>
        <blockquote type=3D"cite">
         =20
          <div class=3D"gmail-m_6343251144114555206WordSection1">
            <p class=3D"MsoNormal"><span style=3D"font-size:11pt;font-famil=
y:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:rgb(31,73,125)">Hi Lou,<=
/span></p>
            <p class=3D"MsoNormal"><span style=3D"font-size:11pt;font-famil=
y:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:rgb(31,73,125)">=C2=A0</=
span></p>
            <p class=3D"MsoNormal"><span style=3D"font-size:11pt;font-famil=
y:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:rgb(31,73,125)">We have =
had quite a bit of =C2=A0private
                discussions between the co-anthers, and I believe, we
                provided a summary to the WG.</span></p>
            <p class=3D"MsoNormal"><span style=3D"font-size:11pt;font-famil=
y:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:rgb(31,73,125)">In our o=
pinion it is a very simple,
                straightforward, yet quite useful addition. It was
                brought =C2=A0to our attention by the model implementers th=
at
                for a given topological element (e.g. TE link) there
                could be more than one instance of the same source of
                where the information has come from. For example, there
                could be more =C2=A0than one instance of OSPF-TE protocol
                running in the network, and it is useful for the client
                application to understand which instance
                discovered/provided information for which TE links.
                =C2=A0Before the change the model could only indicate the
                type of the information source (OSPF-TE protocol), but
                not its specific instance, hence the addition of the
                instance leaf. =C2=A0</span></p>
            <p class=3D"MsoNormal"><span style=3D"font-size:11pt;font-famil=
y:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:rgb(31,73,125)">=C2=A0</=
span></p>
            <p class=3D"MsoNormal"><span style=3D"font-size:11pt;font-famil=
y:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:rgb(31,73,125)">Regards,=
</span></p>
            <p class=3D"MsoNormal"><span style=3D"font-size:11pt;font-famil=
y:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:rgb(31,73,125)">Igor (an=
d co-authors)</span></p>
            <p class=3D"MsoNormal"><span style=3D"font-size:11pt;font-famil=
y:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:rgb(31,73,125)">=C2=A0</=
span></p>
            <p class=3D"MsoNormal"><span style=3D"font-size:11pt;font-famil=
y:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:rgb(31,73,125)">=C2=A0</=
span></p>
            <div>
              <div style=3D"border-color:rgb(181,196,223) currentcolor curr=
entcolor;border-style:solid none none;border-width:1pt medium medium;paddin=
g:3pt 0in 0in">
                <p class=3D"MsoNormal"><b><span style=3D"font-size:10pt;fon=
t-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">From:<=
/span></b><span style=3D"font-size:10pt;font-family:&quot;Tahoma&quot;,&quo=
t;sans-serif&quot;;color:windowtext"> Lou Berger [<a class=3D"gmail-m_63432=
51144114555206moz-txt-link-freetext" href=3D"mailto:lberger@labn.net" targe=
t=3D"_blank">mailto:lberger@labn.net</a>]
                    <br>
                    <b>Sent:</b> Friday, March 08, 2019 2:53 PM<br>
                    <b>To:</b> Xufeng Liu<br>
                    <b>Cc:</b> TEAS WG; <a class=3D"gmail-m_634325114411455=
5206moz-txt-link-abbreviated" href=3D"mailto:draft-ietf-teas-yang-te-topo@i=
etf.org" target=3D"_blank">
                      draft-ietf-teas-yang-te-topo@ietf.org</a><br>
                    <b>Subject:</b> Re: [Teas] Fwd: IETF WG state
                    changed for draft-ietf-teas-yang-te-topo</span></p>
              </div>
            </div>
            <p class=3D"MsoNormal">=C2=A0</p>
            <p>Xufeng,</p>
            <p>=C2=A0=C2=A0=C2=A0 Can you (or other authors) discuss the
              motivations/issue addressed by the
              information-source-instance?-- Perhaps I missed it, but I
              believe=C2=A0 this was a change made without WG discussion.</=
p>
            <p>Thank you,</p>
            <p>Lou</p>
            <div>
              <p class=3D"MsoNormal">On 3/8/2019 2:25 PM, Xufeng Liu
                wrote:</p>
            </div>
            <blockquote style=3D"margin-top:5pt;margin-bottom:5pt">
              <div>
                <div>
                  <div>
                    <p class=3D"MsoNormal">Hi Lou,</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=C2=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">The change summary has been
                      posted to the WG mailing list (<a href=3D"https://mai=
larchive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUujt29fysqHwwpI" target=3D"_bla=
nk">https://mailarchive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUujt29fysqHwwpI<=
/a>).
                      Please advise if the authors need to do anything
                      further.</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">Thanks,</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">- Xufeng</p>
                  </div>
                  <p class=3D"MsoNormal">=C2=A0</p>
                  <div>
                    <div>
                      <p class=3D"MsoNormal">On Wed, Mar 6, 2019 at 4:21
                        PM Lou Berger &lt;<a href=3D"mailto:lberger@labn.ne=
t" target=3D"_blank">lberger@labn.net</a>&gt;
                        wrote:</p>
                    </div>
                    <blockquote style=3D"border-color:currentcolor currentc=
olor currentcolor rgb(204,204,204);border-style:none none none solid;border=
-width:medium medium medium 1pt;padding:0in 0in 0in 6pt;margin-left:4.8pt;m=
argin-right:0in">
                      <div>
                        <p>All,</p>
                        <p>=C2=A0=C2=A0=C2=A0 The recent versions of the te=
-topology
                          doc had sufficiently significant technical
                          changes that our AD and I, with input from the
                          authors, agreed that the document should come
                          back to the WG and to rerun a full last call
                          process.=C2=A0 The key changes in rev -19 were:</=
p>
                        <p>- Referencing the te-types document and
                          updates to point to its module</p>
                        <p>- introduction of information-source-instance</p=
>
                        <p>The second change is a technical change
                          resulting from implementation experience, so
                          is a good change, but as it is a substantive
                          technical change the document has to come out
                          of the RFC editor queue to accept it.</p>
                        <div>
                          <p class=3D"MsoNormal">Authors,</p>
                        </div>
                        <div>
                          <p class=3D"MsoNormal">=C2=A0=C2=A0=C2=A0 Can you=
 send out a
                            message summarizing all changes.</p>
                        </div>
                        <div>
                          <p class=3D"MsoNormal">=C2=A0</p>
                        </div>
                        <div>
                          <p class=3D"MsoNormal">We will then restart the
                            WG LC process.</p>
                        </div>
                        <div>
                          <p class=3D"MsoNormal">=C2=A0</p>
                        </div>
                        <div>
                          <p class=3D"MsoNormal">Thank you,</p>
                        </div>
                        <div>
                          <p class=3D"MsoNormal">Lou (as
                            Shepherd/co-chair)</p>
                        </div>
                        <div>
                          <p class=3D"MsoNormal">=C2=A0</p>
                        </div>
                        <div>
                          <p class=3D"MsoNormal">-------- Forwarded
                            Message -------- </p>
                          <table class=3D"gmail-m_6343251144114555206MsoNor=
malTable" cellspacing=3D"0" cellpadding=3D"0" border=3D"0">
                            <tbody>
                              <tr>
                                <td style=3D"padding:0in" valign=3D"top" no=
wrap>
                                  <p class=3D"MsoNormal" style=3D"text-alig=
n:right" align=3D"right"><b>Subject: </b></p>
                                </td>
                                <td style=3D"padding:0in">
                                  <p class=3D"MsoNormal">IETF WG state
                                    changed for
                                    draft-ietf-teas-yang-te-topo</p>
                                </td>
                              </tr>
                              <tr>
                                <td style=3D"padding:0in" valign=3D"top" no=
wrap>
                                  <p class=3D"MsoNormal" style=3D"text-alig=
n:right" align=3D"right"><b>Date: </b></p>
                                </td>
                                <td style=3D"padding:0in">
                                  <p class=3D"MsoNormal">Wed, 06 Mar 2019
                                    10:49:31 -0800</p>
                                </td>
                              </tr>
                              <tr>
                                <td style=3D"padding:0in" valign=3D"top" no=
wrap>
                                  <p class=3D"MsoNormal" style=3D"text-alig=
n:right" align=3D"right"><b>From: </b></p>
                                </td>
                                <td style=3D"padding:0in">
                                  <p class=3D"MsoNormal">IETF Secretariat
                                    <a href=3D"mailto:ietf-secretariat-repl=
y@ietf.org" target=3D"_blank">
&lt;ietf-secretariat-reply@ietf.org&gt;</a></p>
                                </td>
                              </tr>
                              <tr>
                                <td style=3D"padding:0in" valign=3D"top" no=
wrap>
                                  <p class=3D"MsoNormal" style=3D"text-alig=
n:right" align=3D"right"><b>To: </b></p>
                                </td>
                                <td style=3D"padding:0in">
                                  <p class=3D"MsoNormal"><a href=3D"mailto:=
lberger@labn.net" target=3D"_blank">lberger@labn.net</a>,
                                    <a href=3D"mailto:teas-chairs@ietf.org"=
 target=3D"_blank">teas-chairs@ietf.org</a>,
                                    <a href=3D"mailto:draft-ietf-teas-yang-=
te-topo@ietf.org" target=3D"_blank">
draft-ietf-teas-yang-te-topo@ietf.org</a></p>
                                </td>
                              </tr>
                            </tbody>
                          </table>
                          <p class=3D"MsoNormal" style=3D"margin-bottom:12p=
t"><br>
                            <br>
                            <br>
                            The IETF WG state of
                            draft-ietf-teas-yang-te-topo has been
                            changed to &quot;WG<br>
                            Document&quot; from &quot;Submitted to IESG for
                            Publication&quot; by Deborah Brungard:<br>
                            <br>
                            <a href=3D"https://datatracker.ietf.org/doc/dra=
ft-ietf-teas-yang-te-topo/" target=3D"_blank">https://datatracker.ietf.org/=
doc/draft-ietf-teas-yang-te-topo/</a><br>
                            <br>
                          </p>
                        </div>
                      </div>
                      <p class=3D"MsoNormal">______________________________=
_________________<br>
                        Teas mailing list<br>
                        <a href=3D"mailto:Teas@ietf.org" target=3D"_blank">=
Teas@ietf.org</a><br>
                        <a href=3D"https://www.ietf.org/mailman/listinfo/te=
as" target=3D"_blank">https://www.ietf.org/mailman/listinfo/teas</a></p>
                    </blockquote>
                  </div>
                </div>
              </div>
            </blockquote>
          </div>
        </blockquote>
      </div>
    </blockquote>
  </div>

_______________________________________________<br>
Teas mailing list<br>
<a href=3D"mailto:Teas@ietf.org" target=3D"_blank">Teas@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/teas" rel=3D"noreferrer" t=
arget=3D"_blank">https://www.ietf.org/mailman/listinfo/teas</a><br>
</blockquote></div>

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From: Lou Berger <lberger@labn.net>
To: Vishnu Pavan Beeram <vishnupavan@gmail.com>
CC: Igor Bryskin <igor.bryskin@huawei.com>, <draft-ietf-teas-yang-te-topo@ietf.org>, <teas@ietf.org>, <xufeng.liu.ietf@gmail.com>, "BRUNGARD, DEBORAH A (ATTLABS)" <db3546@att.com>
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Subject: Re: [Teas] Fwd: IETF WG state changed for draft-ietf-teas-yang-te-topo
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> If a new rev is published now without
> the information-source-instance change (and with all the other changes made
> in rev 19 left intact), would the document skip back to the RFC-Editor's
> queue without any IESG involvement?

I don't believe so, I think we still have to go through redoing the pub 
request and iesg, but as there would be no substantive change it might go 
through faster.

Given where we are today, imo let's get it right and move forward.  if 
dropping the change means that we've have to immediately start on a BIS I 
think dropping it would be the wrong move. If on the other hand the change 
really isn't needed, that it would be good to hear that.

Lou

----------
On March 10, 2019 10:19:27 PM Vishnu Pavan Beeram <vishnupavan@gmail.com> 
wrote:

> Igor,
>
> The only foul that the authors made was to not discuss the diffs on the
> list before submitting rev-19. There was an incorrect assumption made (by
> the authors) that Xufeng's post submission email with details on the diffs
> was sufficient to trigger the necessary discussion. This was an oversight
> and had no intended malice. This practice (of submitting the changes first
> and then triggering a discussion about the diffs) is sort of deemed
> acceptable while the document is being reviewed by the WG or IESG, but not
> while it is sitting in the RFC Editor's queue. In hindsight, given that the
> document was sitting in the RFC Editor's queue, the authors should have
> reached out to the AD/Shepherd for guidance before submission (and I take
> the blame on behalf of the authors for not doing it).
>
>
> Lou, Hi!
>
>>> Do you think we should proceed with publication without this change?
>
> I think the WG would need more details (to weigh in with an informed
> opinion) on how proceeding with publication without this change would
> impact the progress of the document. If a new rev is published now without
> the information-source-instance change (and with all the other changes made
> in rev 19 left intact), would the document skip back to the RFC-Editor's
> queue without any IESG involvement?
>
> Regards,
>
> -Pavan (no hat on)
>
> On Sun, Mar 10, 2019 at 5:08 PM Lou Berger <lberger@labn.net> wrote:
>
>> Igor,
>> On 3/10/2019 4:22 PM, Igor Bryskin wrote:
>>
>> Hi Xufeng,
>>
>> I believe every time we published an update for the document we provided a
>> summary of the changes since the previous revision.
>> Could you find the one for the latest update?
>>
>> Lou,
>> Since the document was put into the RFC  Editor queue we have made far
>> more serious change - we replaced the dependency on te-tunnel model  with
>> the dependency on te-types model. You knew about our intention long time
>> ago, as well as that the document would need in this case another close
>> look by WG. You have not warned us about the problem, nor pulled the
>> document out of the queue then.
>>
>> Correct. This has been widely discussed, at the last IETF and on list.
>>
>> Now you are focused on the most trivial change (almost as harmful as
>> changing Tarek's association from CSCO to Jniper), which could be easily
>> reviewed by the WG along with consequences of the depency change. Why is
>> that?
>>
>> The change in dependency was basically and editorial change, it was to
>> reflect where the module was being defined.  An affiliation change is also
>> not considered to be a substantive technical change by the IETF, remember
>> we contribute to the IETF as individuals,  so such affiliation changes are
>> non problematic.  Most importantly,  the RFC editor was consulted *prior*
>> to agreeing to this change, to ensure that it was an acceptable change
>> while in the editor queue and that the reference change didn't require that
>> it be pulled -- this was all coordinated with the Shepherd/AD/RFC-Editor
>> and authors before it was discussed with the WG at the last IETF.
>>
>> The reason that the technical change forced this reset is simply that it
>> happened without any discussion with the IESG.
>>
>> Once a document is submitted for publication, they own it - not the WG.
>> Once our AD was notified that this change was made, the only question she
>> had for me (as Shepherd/co-chair, Pavan was consulted but recused himself
>> as he is a co-author) was if to send it back to the WG or remove the change
>> and immediately start on a bis.  The former seemed the more reasonable.  At
>> this point, we can always go the BIS route if that's what the WG decides.
>>
>> Please also keep in mind that the WG owns the technical content of a WG
>> document, not the authors or editors.  Authors and editors have a lot of
>> leeway in how to gauge or build consensus, including making a change in an
>> active WG document and then discussing it with the WG.  Ultimately it is WG
>> last call that ensures that a document represents WG consensus prior to
>> publication submission.  It is true that technical changes also happen
>> during IESG processing, and it is IETF last call that ensures the final
>> technical comment matches IETF consensus - and it the AD that ensures the
>> content matches IETF consensus.
>>
>> A technical change, no matter how small, post all LCs and in the RFC
>> editor queue initiated by the authors, without any coordination, is a
>> serious process fowl.  Deborah was fully within her rights to reject this
>> change and present the Chairs with the option of doing what we're doing or
>> proceeding with RFC publication without the change.  BTW the formal version
>> of this is documented in RFCs2418 and 4858.
>>
>> Do you think we should proceed with publication without this change?  If
>> so, please respond to the 2nd LC stating this.
>>
>> Lou
>>
>> (as Shepherd and Co-chair)
>>
>>
>> Igor
>>
>>
>>
>> Thanks,
>> Igor
>> *From:*Lou Berger
>> *To:*Igor Bryskin,Xufeng Liu,
>> *Cc:*TEAS WG,draft-ietf-teas-yang-te-topo@ietf.org,
>> *Date:*2019-03-09 15:56:11
>> *Subject:*Re: [Teas] Fwd: IETF WG state changed for
>> draft-ietf-teas-yang-te-topo
>>
>> Hi Igor, (and authors)
>>
>>     Can you point to where in the archive this discussion took place -
>> https://mailarchive.ietf.org/arch/browse/teas/?q=source%20instance isn't
>> yielding helpful information.  It's also fine for the authors to make the
>> case for the change now if a suitable reference can't be found.
>>
>> Lou
>>
>> PS For future reference, technical changes are generally now allowed once
>> a document has been approved by the IESG, and even more rarely once in the
>> RFC editor queue.  (This is nothing new - I remember having quite a
>> discussion back when Jon P. was RFC editor and having to convince him that
>> moving the '|' in a packet format half a bit over in a drawing didn't
>> require moving the doc out of the RFC editor queue even though half bits
>> clearly didn't match the text.)
>> On 3/8/2019 3:56 PM, Igor Bryskin wrote:
>>
>> Hi Lou,
>>
>>
>>
>> We have had quite a bit of  private discussions between the co-anthers,
>> and I believe, we provided a summary to the WG.
>>
>> In our opinion it is a very simple, straightforward, yet quite useful
>> addition. It was brought  to our attention by the model implementers that
>> for a given topological element (e.g. TE link) there could be more than one
>> instance of the same source of where the information has come from. For
>> example, there could be more  than one instance of OSPF-TE protocol running
>> in the network, and it is useful for the client application to understand
>> which instance discovered/provided information for which TE links.  Before
>> the change the model could only indicate the type of the information source
>> (OSPF-TE protocol), but not its specific instance, hence the addition of
>> the instance leaf.
>>
>>
>>
>> Regards,
>>
>> Igor (and co-authors)
>>
>>
>>
>>
>>
>> *From:* Lou Berger [mailto:lberger@labn.net <lberger@labn.net>]
>> *Sent:* Friday, March 08, 2019 2:53 PM
>> *To:* Xufeng Liu
>> *Cc:* TEAS WG; draft-ietf-teas-yang-te-topo@ietf.org
>> *Subject:* Re: [Teas] Fwd: IETF WG state changed for
>> draft-ietf-teas-yang-te-topo
>>
>>
>>
>> Xufeng,
>>
>>     Can you (or other authors) discuss the motivations/issue addressed by
>> the information-source-instance?-- Perhaps I missed it, but I believe  this
>> was a change made without WG discussion.
>>
>> Thank you,
>>
>> Lou
>>
>> On 3/8/2019 2:25 PM, Xufeng Liu wrote:
>>
>> Hi Lou,
>>
>>
>>
>> The change summary has been posted to the WG mailing list (
>> https://mailarchive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUujt29fysqHwwpI).
>> Please advise if the authors need to do anything further.
>>
>> Thanks,
>>
>> - Xufeng
>>
>>
>>
>> On Wed, Mar 6, 2019 at 4:21 PM Lou Berger <lberger@labn.net> wrote:
>>
>> All,
>>
>>     The recent versions of the te-topology doc had sufficiently
>> significant technical changes that our AD and I, with input from the
>> authors, agreed that the document should come back to the WG and to rerun a
>> full last call process.  The key changes in rev -19 were:
>>
>> - Referencing the te-types document and updates to point to its module
>>
>> - introduction of information-source-instance
>>
>> The second change is a technical change resulting from implementation
>> experience, so is a good change, but as it is a substantive technical
>> change the document has to come out of the RFC editor queue to accept it.
>>
>> Authors,
>>
>>     Can you send out a message summarizing all changes.
>>
>>
>>
>> We will then restart the WG LC process.
>>
>>
>>
>> Thank you,
>>
>> Lou (as Shepherd/co-chair)
>>
>>
>>
>> -------- Forwarded Message --------
>>
>> *Subject: *
>>
>> IETF WG state changed for draft-ietf-teas-yang-te-topo
>>
>> *Date: *
>>
>> Wed, 06 Mar 2019 10:49:31 -0800
>>
>> *From: *
>>
>> IETF Secretariat <ietf-secretariat-reply@ietf.org>
>> <ietf-secretariat-reply@ietf.org>
>>
>> *To: *
>>
>> lberger@labn.net, teas-chairs@ietf.org,
>> draft-ietf-teas-yang-te-topo@ietf.org
>>
>>
>>
>>
>> The IETF WG state of draft-ietf-teas-yang-te-topo has been changed to "WG
>> Document" from "Submitted to IESG for Publication" by Deborah Brungard:
>>
>> https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/
>>
>> _______________________________________________
>> Teas mailing list
>> Teas@ietf.org
>> https://www.ietf.org/mailman/listinfo/teas
>>
>> _______________________________________________
>> Teas mailing list
>> Teas@ietf.org
>> https://www.ietf.org/mailman/listinfo/teas
>>
>
>
>
> ----------
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>

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<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html"/>
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<body>
<div style=3D"color: black;">
<p style=3D"margin: 0 0 1em 0; color: black;">&gt; If a new rev is publishe=
d now without<br>
&gt; the information-source-instance change (and with all the other changes=
 made<br>
&gt; in rev 19 left intact), would the document skip back to the RFC-Editor=
's<br>
&gt; queue without any IESG involvement?</p>
<p style=3D"margin: 0 0 1em 0; color: black;">I don't believe so, I think w=
e still have to go through redoing the pub request and iesg, but as there w=
ould be no substantive change it might go through faster.</p>
<p style=3D"margin: 0 0 1em 0; color: black;">Given where we are today, imo=
 let's get it right and move forward.&nbsp; if dropping the change means th=
at we've have to immediately start on a BIS I think dropping it would be th=
e wrong move. If on the other hand the change really isn't needed, that it =
would be good to hear that. </p>
<p style=3D"margin: 0 0 1em 0; color: black; font-family: sans-serif;"><br>
</p>
<p style=3D"margin: 0 0 1em 0; color: black;"><br>
Lou<br>
</p>
<p style=3D"margin: 0 0 1em 0; color: black; font-family: sans-serif;"><br>
----------<br>
On March 10, 2019 10:19:27 PM Vishnu Pavan Beeram &lt;vishnupavan@gmail.com=
&gt; wrote:</p>
<p style=3D"margin: 0 0 1em 0; color: black; font-family: sans-serif;">&gt;=
 Igor,<br>
&gt;<br>
&gt; The only foul that the authors made was to not discuss the diffs on th=
e<br>
&gt; list before submitting rev-19. There was an incorrect assumption made =
(by<br>
&gt; the authors) that Xufeng's post submission email with details on the d=
iffs<br>
&gt; was sufficient to trigger the necessary discussion. This was an oversi=
ght<br>
&gt; and had no intended malice. This practice (of submitting the changes f=
irst<br>
&gt; and then triggering a discussion about the diffs) is sort of deemed<br=
>
&gt; acceptable while the document is being reviewed by the WG or IESG, but=
 not<br>
&gt; while it is sitting in the RFC Editor's queue. In hindsight, given tha=
t the<br>
&gt; document was sitting in the RFC Editor's queue, the authors should hav=
e<br>
&gt; reached out to the AD/Shepherd for guidance before submission (and I t=
ake<br>
&gt; the blame on behalf of the authors for not doing it).<br>
&gt;<br>
&gt;<br>
&gt; Lou, Hi!<br>
&gt;<br>
&gt;&gt;&gt; Do you think we should proceed with publication without this c=
hange?<br>
&gt;<br>
&gt; I think the WG would need more details (to weigh in with an informed<b=
r>
&gt; opinion) on how proceeding with publication without this change would<=
br>
&gt; impact the progress of the document. If a new rev is published now wit=
hout<br>
&gt; the information-source-instance change (and with all the other changes=
 made<br>
&gt; in rev 19 left intact), would the document skip back to the RFC-Editor=
's<br>
&gt; queue without any IESG involvement?<br>
&gt;<br>
&gt; Regards,<br>
&gt;<br>
&gt; -Pavan (no hat on)<br>
&gt;<br>
&gt; On Sun, Mar 10, 2019 at 5:08 PM Lou Berger &lt;lberger@labn.net&gt; wr=
ote:<br>
&gt;<br>
&gt;&gt; Igor,<br>
&gt;&gt; On 3/10/2019 4:22 PM, Igor Bryskin wrote:<br>
&gt;&gt;<br>
&gt;&gt; Hi Xufeng,<br>
&gt;&gt;<br>
&gt;&gt; I believe every time we published an update for the document we pr=
ovided a<br>
&gt;&gt; summary of the changes since the previous revision.<br>
&gt;&gt; Could you find the one for the latest update?<br>
&gt;&gt;<br>
&gt;&gt; Lou,<br>
&gt;&gt; Since the document was put into the RFC&nbsp; Editor queue we have=
 made far<br>
&gt;&gt; more serious change - we replaced the dependency on te-tunnel mode=
l&nbsp; with<br>
&gt;&gt; the dependency on te-types model. You knew about our intention lon=
g time<br>
&gt;&gt; ago, as well as that the document would need in this case another =
close<br>
&gt;&gt; look by WG. You have not warned us about the problem, nor pulled t=
he<br>
&gt;&gt; document out of the queue then.<br>
&gt;&gt;<br>
&gt;&gt; Correct. This has been widely discussed, at the last IETF and on l=
ist.<br>
&gt;&gt;<br>
&gt;&gt; Now you are focused on the most trivial change (almost as harmful =
as<br>
&gt;&gt; changing Tarek's association from CSCO to Jniper), which could be =
easily<br>
&gt;&gt; reviewed by the WG along with consequences of the depency change. =
Why is<br>
&gt;&gt; that?<br>
&gt;&gt;<br>
&gt;&gt; The change in dependency was basically and editorial change, it wa=
s to<br>
&gt;&gt; reflect where the module was being defined.&nbsp; An affiliation c=
hange is also<br>
&gt;&gt; not considered to be a substantive technical change by the IETF, r=
emember<br>
&gt;&gt; we contribute to the IETF as individuals,&nbsp; so such affiliatio=
n changes are<br>
&gt;&gt; non problematic.&nbsp; Most importantly,&nbsp; the RFC editor was =
consulted *prior*<br>
&gt;&gt; to agreeing to this change, to ensure that it was an acceptable ch=
ange<br>
&gt;&gt; while in the editor queue and that the reference change didn't req=
uire that<br>
&gt;&gt; it be pulled -- this was all coordinated with the Shepherd/AD/RFC-=
Editor<br>
&gt;&gt; and authors before it was discussed with the WG at the last IETF.<=
br>
&gt;&gt;<br>
&gt;&gt; The reason that the technical change forced this reset is simply t=
hat it<br>
&gt;&gt; happened without any discussion with the IESG.<br>
&gt;&gt;<br>
&gt;&gt; Once a document is submitted for publication, they own it - not th=
e WG.<br>
&gt;&gt; Once our AD was notified that this change was made, the only quest=
ion she<br>
&gt;&gt; had for me (as Shepherd/co-chair, Pavan was consulted but recused =
himself<br>
&gt;&gt; as he is a co-author) was if to send it back to the WG or remove t=
he change<br>
&gt;&gt; and immediately start on a bis.&nbsp; The former seemed the more r=
easonable.&nbsp; At<br>
&gt;&gt; this point, we can always go the BIS route if that's what the WG d=
ecides.<br>
&gt;&gt;<br>
&gt;&gt; Please also keep in mind that the WG owns the technical content of=
 a WG<br>
&gt;&gt; document, not the authors or editors.&nbsp; Authors and editors ha=
ve a lot of<br>
&gt;&gt; leeway in how to gauge or build consensus, including making a chan=
ge in an<br>
&gt;&gt; active WG document and then discussing it with the WG.&nbsp; Ultim=
ately it is WG<br>
&gt;&gt; last call that ensures that a document represents WG consensus pri=
or to<br>
&gt;&gt; publication submission.&nbsp; It is true that technical changes al=
so happen<br>
&gt;&gt; during IESG processing, and it is IETF last call that ensures the =
final<br>
&gt;&gt; technical comment matches IETF consensus - and it the AD that ensu=
res the<br>
&gt;&gt; content matches IETF consensus.<br>
&gt;&gt;<br>
&gt;&gt; A technical change, no matter how small, post all LCs and in the R=
FC<br>
&gt;&gt; editor queue initiated by the authors, without any coordination, i=
s a<br>
&gt;&gt; serious process fowl.&nbsp; Deborah was fully within her rights to=
 reject this<br>
&gt;&gt; change and present the Chairs with the option of doing what we're =
doing or<br>
&gt;&gt; proceeding with RFC publication without the change.&nbsp; BTW the =
formal version<br>
&gt;&gt; of this is documented in RFCs2418 and 4858.<br>
&gt;&gt;<br>
&gt;&gt; Do you think we should proceed with publication without this chang=
e?&nbsp; If<br>
&gt;&gt; so, please respond to the 2nd LC stating this.<br>
&gt;&gt;<br>
&gt;&gt; Lou<br>
&gt;&gt;<br>
&gt;&gt; (as Shepherd and Co-chair)<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt; Igor<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt; Thanks,<br>
&gt;&gt; Igor<br>
&gt;&gt; *From:*Lou Berger<br>
&gt;&gt; *To:*Igor Bryskin,Xufeng Liu,<br>
&gt;&gt; *Cc:*TEAS WG,draft-ietf-teas-yang-te-topo@ietf.org,<br>
&gt;&gt; *Date:*2019-03-09 15:56:11<br>
&gt;&gt; *Subject:*Re: [Teas] Fwd: IETF WG state changed for<br>
&gt;&gt; draft-ietf-teas-yang-te-topo<br>
&gt;&gt;<br>
&gt;&gt; Hi Igor, (and authors)<br>
&gt;&gt;<br>
&gt;&gt;&nbsp;&nbsp;&nbsp;&nbsp; Can you point to where in the archive this=
 discussion took place -<br>
&gt;&gt; <a href=3D"https://mailarchive.ietf.org/arch/browse/teas/?q=3Dsour=
ce%20instance">https://mailarchive.ietf.org/arch/browse/teas/?q=3Dsource%20=
instance</a> isn't<br>
&gt;&gt; yielding helpful information.&nbsp; It's also fine for the authors=
 to make the<br>
&gt;&gt; case for the change now if a suitable reference can't be found.<br=
>
&gt;&gt;<br>
&gt;&gt; Lou<br>
&gt;&gt;<br>
&gt;&gt; PS For future reference, technical changes are generally now allow=
ed once<br>
&gt;&gt; a document has been approved by the IESG, and even more rarely onc=
e in the<br>
&gt;&gt; RFC editor queue.&nbsp; (This is nothing new - I remember having q=
uite a<br>
&gt;&gt; discussion back when Jon P. was RFC editor and having to convince =
him that<br>
&gt;&gt; moving the '|' in a packet format half a bit over in a drawing did=
n't<br>
&gt;&gt; require moving the doc out of the RFC editor queue even though hal=
f bits<br>
&gt;&gt; clearly didn't match the text.)<br>
&gt;&gt; On 3/8/2019 3:56 PM, Igor Bryskin wrote:<br>
&gt;&gt;<br>
&gt;&gt; Hi Lou,<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt; We have had quite a bit of&nbsp; private discussions between the c=
o-anthers,<br>
&gt;&gt; and I believe, we provided a summary to the WG.<br>
&gt;&gt;<br>
&gt;&gt; In our opinion it is a very simple, straightforward, yet quite use=
ful<br>
&gt;&gt; addition. It was brought&nbsp; to our attention by the model imple=
menters that<br>
&gt;&gt; for a given topological element (e.g. TE link) there could be more=
 than one<br>
&gt;&gt; instance of the same source of where the information has come from=
. For<br>
&gt;&gt; example, there could be more&nbsp; than one instance of OSPF-TE pr=
otocol running<br>
&gt;&gt; in the network, and it is useful for the client application to und=
erstand<br>
&gt;&gt; which instance discovered/provided information for which TE links.=
&nbsp; Before<br>
&gt;&gt; the change the model could only indicate the type of the informati=
on source<br>
&gt;&gt; (OSPF-TE protocol), but not its specific instance, hence the addit=
ion of<br>
&gt;&gt; the instance leaf.<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt; Regards,<br>
&gt;&gt;<br>
&gt;&gt; Igor (and co-authors)<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt; *From:* Lou Berger [mailto:lberger@labn.net &lt;lberger@labn.net&g=
t;]<br>
&gt;&gt; *Sent:* Friday, March 08, 2019 2:53 PM<br>
&gt;&gt; *To:* Xufeng Liu<br>
&gt;&gt; *Cc:* TEAS WG; draft-ietf-teas-yang-te-topo@ietf.org<br>
&gt;&gt; *Subject:* Re: [Teas] Fwd: IETF WG state changed for<br>
&gt;&gt; draft-ietf-teas-yang-te-topo<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt; Xufeng,<br>
&gt;&gt;<br>
&gt;&gt;&nbsp;&nbsp;&nbsp;&nbsp; Can you (or other authors) discuss the mot=
ivations/issue addressed by<br>
&gt;&gt; the information-source-instance?-- Perhaps I missed it, but I beli=
eve&nbsp; this<br>
&gt;&gt; was a change made without WG discussion.<br>
&gt;&gt;<br>
&gt;&gt; Thank you,<br>
&gt;&gt;<br>
&gt;&gt; Lou<br>
&gt;&gt;<br>
&gt;&gt; On 3/8/2019 2:25 PM, Xufeng Liu wrote:<br>
&gt;&gt;<br>
&gt;&gt; Hi Lou,<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt; The change summary has been posted to the WG mailing list (<br>
&gt;&gt; <a href=3D"https://mailarchive.ietf.org/arch/msg/teas/sQ2wMTXYXwni=
Uujt29fysqHwwpI)">https://mailarchive.ietf.org/arch/msg/teas/sQ2wMTXYXwniUu=
jt29fysqHwwpI)</a>.<br>
&gt;&gt; Please advise if the authors need to do anything further.<br>
&gt;&gt;<br>
&gt;&gt; Thanks,<br>
&gt;&gt;<br>
&gt;&gt; - Xufeng<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt; On Wed, Mar 6, 2019 at 4:21 PM Lou Berger &lt;lberger@labn.net&gt;=
 wrote:<br>
&gt;&gt;<br>
&gt;&gt; All,<br>
&gt;&gt;<br>
&gt;&gt;&nbsp;&nbsp;&nbsp;&nbsp; The recent versions of the te-topology doc=
 had sufficiently<br>
&gt;&gt; significant technical changes that our AD and I, with input from t=
he<br>
&gt;&gt; authors, agreed that the document should come back to the WG and t=
o rerun a<br>
&gt;&gt; full last call process.&nbsp; The key changes in rev -19 were:<br>
&gt;&gt;<br>
&gt;&gt; - Referencing the te-types document and updates to point to its mo=
dule<br>
&gt;&gt;<br>
&gt;&gt; - introduction of information-source-instance<br>
&gt;&gt;<br>
&gt;&gt; The second change is a technical change resulting from implementat=
ion<br>
&gt;&gt; experience, so is a good change, but as it is a substantive techni=
cal<br>
&gt;&gt; change the document has to come out of the RFC editor queue to acc=
ept it.<br>
&gt;&gt;<br>
&gt;&gt; Authors,<br>
&gt;&gt;<br>
&gt;&gt;&nbsp;&nbsp;&nbsp;&nbsp; Can you send out a message summarizing all=
 changes.<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt; We will then restart the WG LC process.<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt; Thank you,<br>
&gt;&gt;<br>
&gt;&gt; Lou (as Shepherd/co-chair)<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt; -------- Forwarded Message --------<br>
&gt;&gt;<br>
&gt;&gt; *Subject: *<br>
&gt;&gt;<br>
&gt;&gt; IETF WG state changed for draft-ietf-teas-yang-te-topo<br>
&gt;&gt;<br>
&gt;&gt; *Date: *<br>
&gt;&gt;<br>
&gt;&gt; Wed, 06 Mar 2019 10:49:31 -0800<br>
&gt;&gt;<br>
&gt;&gt; *From: *<br>
&gt;&gt;<br>
&gt;&gt; IETF Secretariat &lt;ietf-secretariat-reply@ietf.org&gt;<br>
&gt;&gt; &lt;ietf-secretariat-reply@ietf.org&gt;<br>
&gt;&gt;<br>
&gt;&gt; *To: *<br>
&gt;&gt;<br>
&gt;&gt; lberger@labn.net, teas-chairs@ietf.org,<br>
&gt;&gt; draft-ietf-teas-yang-te-topo@ietf.org<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt; The IETF WG state of draft-ietf-teas-yang-te-topo has been changed=
 to "WG<br>
&gt;&gt; Document" from "Submitted to IESG for Publication" by Deborah Brun=
gard:<br>
&gt;&gt;<br>
&gt;&gt; <a href=3D"https://datatracker.ietf.org/doc/draft-ietf-teas-yang-t=
e-topo/">https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/</a>=
<br>
&gt;&gt;<br>
&gt;&gt; _______________________________________________<br>
&gt;&gt; Teas mailing list<br>
&gt;&gt; Teas@ietf.org<br>
&gt;&gt; <a href=3D"https://www.ietf.org/mailman/listinfo/teas">https://www=
.ietf.org/mailman/listinfo/teas</a><br>
&gt;&gt;<br>
&gt;&gt; _______________________________________________<br>
&gt;&gt; Teas mailing list<br>
&gt;&gt; Teas@ietf.org<br>
&gt;&gt; <a href=3D"https://www.ietf.org/mailman/listinfo/teas">https://www=
.ietf.org/mailman/listinfo/teas</a><br>
&gt;&gt;<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt; ----------<br>
&gt; _______________________________________________<br>
&gt; Teas mailing list<br>
&gt; Teas@ietf.org<br>
&gt; <a href=3D"https://www.ietf.org/mailman/listinfo/teas">https://www.iet=
f.org/mailman/listinfo/teas</a><br>
&gt;<br>
</p>
</div>
</body>
</html>

------------1696ab347e51dee27ceb7a919c--


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Subject: [Teas] I-D Action: draft-ietf-teas-pcecc-use-cases-03.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 Traffic Engineering Architecture and Signaling WG of the IETF.

        Title           : The Use Cases for Path Computation Element (PCE) as a Central Controller (PCECC).
        Authors         : Quintin Zhao
                          Zhenbin (Robin) Li
                          Boris Khasanov
                          Dhruv Dhody
                          King Ke
                          Luyuan Fang
                          Chao Zhou
                          Boris Zhang
                          Artem Rachitskiy
                          Anton Gulida
	Filename        : draft-ietf-teas-pcecc-use-cases-03.txt
	Pages           : 33
	Date            : 2019-03-11

Abstract:
   The Path Computation Element (PCE) is a core component of a Software-
   Defined Networking (SDN) system.  It can compute optimal paths for
   traffic across a network and can also update the paths to reflect
   changes in the network or traffic demands.  PCE was developed to
   derive paths for MPLS Label Switched Paths (LSPs), which are supplied
   to the head end of the LSP using the Path Computation Element
   Communication Protocol (PCEP).

   SDN has a broader applicability than signaled MPLS traffic-engineered
   (TE) networks, and the PCE may be used to determine paths in a range
   of use cases including static LSPs, segment routing (SR), Service
   Function Chaining (SFC), and most forms of a routed or switched
   network.  It is, therefore, reasonable to consider PCEP as a control
   protocol for use in these environments to allow the PCE to be fully
   enabled as a central controller.

   This document describes general considerations for PCECC deployment
   and examines its applicability and benefits, as well as its
   challenges and limitations, through a number of use cases.  PCEP
   extensions required for stateful PCE usage are covered in separate
   documents.



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-pcecc-use-cases/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-pcecc-use-cases-03
https://datatracker.ietf.org/doc/html/draft-ietf-teas-pcecc-use-cases-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-pcecc-use-cases-03


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 Mon Mar 11 04:02:45 2019
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--000000000000475e940583cf82bb
Content-Type: text/plain; charset="UTF-8"

Hi WG,

This update was mainly editorial with some more details added for
PCECC-SRv6.
There is still some pending details related to SFC via PCECC, security
considerations (to name a few) that needs to be addressed in a future
revision.

Thanks!
Dhruv (on behalf of co-authors)

On Mon, Mar 11, 2019 at 4:23 PM <internet-drafts@ietf.org> wrote:

>
> A New Internet-Draft is available from the on-line Internet-Drafts
> directories.
> This draft is a work item of the Traffic Engineering Architecture and
> Signaling WG of the IETF.
>
>         Title           : The Use Cases for Path Computation Element (PCE)
> as a Central Controller (PCECC).
>         Authors         : Quintin Zhao
>                           Zhenbin (Robin) Li
>                           Boris Khasanov
>                           Dhruv Dhody
>                           King Ke
>                           Luyuan Fang
>                           Chao Zhou
>                           Boris Zhang
>                           Artem Rachitskiy
>                           Anton Gulida
>         Filename        : draft-ietf-teas-pcecc-use-cases-03.txt
>         Pages           : 33
>         Date            : 2019-03-11
>
> Abstract:
>    The Path Computation Element (PCE) is a core component of a Software-
>    Defined Networking (SDN) system.  It can compute optimal paths for
>    traffic across a network and can also update the paths to reflect
>    changes in the network or traffic demands.  PCE was developed to
>    derive paths for MPLS Label Switched Paths (LSPs), which are supplied
>    to the head end of the LSP using the Path Computation Element
>    Communication Protocol (PCEP).
>
>    SDN has a broader applicability than signaled MPLS traffic-engineered
>    (TE) networks, and the PCE may be used to determine paths in a range
>    of use cases including static LSPs, segment routing (SR), Service
>    Function Chaining (SFC), and most forms of a routed or switched
>    network.  It is, therefore, reasonable to consider PCEP as a control
>    protocol for use in these environments to allow the PCE to be fully
>    enabled as a central controller.
>
>    This document describes general considerations for PCECC deployment
>    and examines its applicability and benefits, as well as its
>    challenges and limitations, through a number of use cases.  PCEP
>    extensions required for stateful PCE usage are covered in separate
>    documents.
>
>
>
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-teas-pcecc-use-cases/
>
> There are also htmlized versions available at:
> https://tools.ietf.org/html/draft-ietf-teas-pcecc-use-cases-03
> https://datatracker.ietf.org/doc/html/draft-ietf-teas-pcecc-use-cases-03
>
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-pcecc-use-cases-03
>
>
> 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/
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>

--000000000000475e940583cf82bb
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:monospac=
e,monospace">Hi WG,=C2=A0</div><div class=3D"gmail_default" style=3D"font-f=
amily:monospace,monospace"><br></div><div class=3D"gmail_default" style=3D"=
font-family:monospace,monospace">This update was mainly editorial with some=
 more details added for PCECC-SRv6.=C2=A0</div><div class=3D"gmail_default"=
 style=3D"font-family:monospace,monospace">There is still some pending deta=
ils related to SFC via PCECC, security considerations (to name a few) that =
needs to be addressed in a future revision.=C2=A0</div><div class=3D"gmail_=
default" style=3D"font-family:monospace,monospace"><br></div><div class=3D"=
gmail_default" style=3D"font-family:monospace,monospace">Thanks!=C2=A0</div=
><div class=3D"gmail_default" style=3D"font-family:monospace,monospace">Dhr=
uv (on behalf of co-authors)</div></div><br><div class=3D"gmail_quote"><div=
 dir=3D"ltr" class=3D"gmail_attr">On Mon, Mar 11, 2019 at 4:23 PM &lt;<a hr=
ef=3D"mailto:internet-drafts@ietf.org">internet-drafts@ietf.org</a>&gt; wro=
te:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px =
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br>
A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.<br>
This draft is a work item of the Traffic Engineering Architecture and Signa=
ling WG of the IETF.<br>
<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Title=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0:=
 The Use Cases for Path Computation Element (PCE) as a Central Controller (=
PCECC).<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Authors=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0: Quin=
tin Zhao<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 Zhenbin (Robin) Li<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 Boris Khasanov<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 Dhruv Dhody<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 King Ke<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 Luyuan Fang<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 Chao Zhou<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 Boris Zhang<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 Artem Rachitskiy<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 Anton Gulida<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Filename=C2=A0 =C2=A0 =C2=A0 =C2=A0 : draft-iet=
f-teas-pcecc-use-cases-03.txt<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Pages=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0:=
 33<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Date=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 :=
 2019-03-11<br>
<br>
Abstract:<br>
=C2=A0 =C2=A0The Path Computation Element (PCE) is a core component of a So=
ftware-<br>
=C2=A0 =C2=A0Defined Networking (SDN) system.=C2=A0 It can compute optimal =
paths for<br>
=C2=A0 =C2=A0traffic across a network and can also update the paths to refl=
ect<br>
=C2=A0 =C2=A0changes in the network or traffic demands.=C2=A0 PCE was devel=
oped to<br>
=C2=A0 =C2=A0derive paths for MPLS Label Switched Paths (LSPs), which are s=
upplied<br>
=C2=A0 =C2=A0to the head end of the LSP using the Path Computation Element<=
br>
=C2=A0 =C2=A0Communication Protocol (PCEP).<br>
<br>
=C2=A0 =C2=A0SDN has a broader applicability than signaled MPLS traffic-eng=
ineered<br>
=C2=A0 =C2=A0(TE) networks, and the PCE may be used to determine paths in a=
 range<br>
=C2=A0 =C2=A0of use cases including static LSPs, segment routing (SR), Serv=
ice<br>
=C2=A0 =C2=A0Function Chaining (SFC), and most forms of a routed or switche=
d<br>
=C2=A0 =C2=A0network.=C2=A0 It is, therefore, reasonable to consider PCEP a=
s a control<br>
=C2=A0 =C2=A0protocol for use in these environments to allow the PCE to be =
fully<br>
=C2=A0 =C2=A0enabled as a central controller.<br>
<br>
=C2=A0 =C2=A0This document describes general considerations for PCECC deplo=
yment<br>
=C2=A0 =C2=A0and examines its applicability and benefits, as well as its<br=
>
=C2=A0 =C2=A0challenges and limitations, through a number of use cases.=C2=
=A0 PCEP<br>
=C2=A0 =C2=A0extensions required for stateful PCE usage are covered in sepa=
rate<br>
=C2=A0 =C2=A0documents.<br>
<br>
<br>
<br>
The IETF datatracker status page for this draft is:<br>
<a href=3D"https://datatracker.ietf.org/doc/draft-ietf-teas-pcecc-use-cases=
/" rel=3D"noreferrer" target=3D"_blank">https://datatracker.ietf.org/doc/dr=
aft-ietf-teas-pcecc-use-cases/</a><br>
<br>
There are also htmlized versions available at:<br>
<a href=3D"https://tools.ietf.org/html/draft-ietf-teas-pcecc-use-cases-03" =
rel=3D"noreferrer" target=3D"_blank">https://tools.ietf.org/html/draft-ietf=
-teas-pcecc-use-cases-03</a><br>
<a href=3D"https://datatracker.ietf.org/doc/html/draft-ietf-teas-pcecc-use-=
cases-03" rel=3D"noreferrer" target=3D"_blank">https://datatracker.ietf.org=
/doc/html/draft-ietf-teas-pcecc-use-cases-03</a><br>
<br>
A diff from the previous version is available at:<br>
<a href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-pcecc-use-ca=
ses-03" rel=3D"noreferrer" target=3D"_blank">https://www.ietf.org/rfcdiff?u=
rl2=3Ddraft-ietf-teas-pcecc-use-cases-03</a><br>
<br>
<br>
Please note that it may take a couple of minutes from the time of submissio=
n<br>
until the htmlized version and diff are available at <a href=3D"http://tool=
s.ietf.org" rel=3D"noreferrer" target=3D"_blank">tools.ietf.org</a>.<br>
<br>
Internet-Drafts are also available by anonymous FTP at:<br>
<a href=3D"ftp://ftp.ietf.org/internet-drafts/" rel=3D"noreferrer" target=
=3D"_blank">ftp://ftp.ietf.org/internet-drafts/</a><br>
<br>
_______________________________________________<br>
Teas mailing list<br>
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</blockquote></div>

--000000000000475e940583cf82bb--


From nobody Mon Mar 11 08:06:36 2019
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Subject: [Teas] I-D Action: draft-ietf-teas-yang-path-computation-05.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 Traffic Engineering Architecture and Signaling WG of the IETF.

        Title           : Yang model for requesting Path Computation
        Authors         : Italo Busi
                          Sergio Belotti
                          Victor Lopez
                          Oscar Gonzalez de Dios
                          Anurag Sharma
                          Yan Shi
                          Ricard Vilalta
                          Karthik Sethuraman
                          Michael Scharf
                          Daniele Ceccarelli
	Filename        : draft-ietf-teas-yang-path-computation-05.txt
	Pages           : 68
	Date            : 2019-03-11

Abstract:
   There are scenarios, typically in a hierarchical SDN context, where
   the topology information provided by a TE network provider may not
   be sufficient for its client to perform end-to-end path computation.
   In these cases the client would need to request the provider to
   calculate some (partial) feasible paths.

   This document defines a YANG data model for a stateless RPC to
   request path computation. This model complements the stateful
   solution defined in [TE-TUNNEL].

   Moreover this document describes some use cases where a path
   computation request, via YANG-based protocols (e.g., NETCONF or
   RESTCONF), can be needed.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-yang-path-computation/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-yang-path-computation-05
https://datatracker.ietf.org/doc/html/draft-ietf-teas-yang-path-computation-05

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-yang-path-computation-05


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From nobody Mon Mar 11 11:24:56 2019
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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 Traffic Engineering Architecture and Signaling WG of the IETF.

        Title           : YANG Data Model for SR and SR TE Topologies
        Authors         : Xufeng Liu
                          Igor Bryskin
                          Vishnu Pavan Beeram
                          Tarek Saad
                          Himanshu Shah
                          Stephane Litkowski
	Filename        : draft-ietf-teas-yang-sr-te-topo-04.txt
	Pages           : 31
	Date            : 2019-03-11

Abstract:
   This document defines a YANG data model for Segment Routing (SR)
   topology and Segment Routing (SR) traffic engineering (TE) topology.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-yang-sr-te-topo/

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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 Traffic Engineering Architecture and Signaling WG of the IETF.

        Title           : YANG Data Model for Layer 3 TE Topologies
        Authors         : Xufeng Liu
                          Igor Bryskin
                          Vishnu Pavan Beeram
                          Tarek Saad
                          Himanshu Shah
                          Oscar Gonzalez de Dios
	Filename        : draft-ietf-teas-yang-l3-te-topo-04.txt
	Pages           : 64
	Date            : 2019-03-11

Abstract:
   This document defines a YANG data model for layer 3 traffic
   engineering topologies.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-yang-l3-te-topo/

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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 Traffic Engineering Architecture and Signaling WG of the IETF.

        Title           : SF Aware TE Topology YANG Model
        Authors         : Igor Bryskin
                          Xufeng Liu
                          Young Lee
                          Jim Guichard
                          Luis Miguel Contreras
                          Daniele Ceccarelli
                          Jeff Tantsura
	Filename        : draft-ietf-teas-sf-aware-topo-model-03.txt
	Pages           : 49
	Date            : 2019-03-11

Abstract:
   This document describes a YANG data model for TE network topologies
   that are network service and function aware.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-sf-aware-topo-model/

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https://tools.ietf.org/html/draft-ietf-teas-sf-aware-topo-model-03
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From nobody Mon Mar 11 14:52:06 2019
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From: Leeyoung <leeyoung@huawei.com>
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Hi,

Updated version cleaned up duplicated sections for normative references and=
 updated one author's affiliation.=20

Thanks.
Young (on behalf of co-authors)

-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-drafts@ietf=
.org
Sent: Monday, March 11, 2019 4:47 PM
To: i-d-announce@ietf.org
Cc: teas@ietf.org
Subject: [Teas] I-D Action: draft-ietf-teas-sf-aware-topo-model-03.txt


A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.
This draft is a work item of the Traffic Engineering Architecture and Signa=
ling WG of the IETF.

        Title           : SF Aware TE Topology YANG Model
        Authors         : Igor Bryskin
                          Xufeng Liu
                          Young Lee
                          Jim Guichard
                          Luis Miguel Contreras
                          Daniele Ceccarelli
                          Jeff Tantsura
	Filename        : draft-ietf-teas-sf-aware-topo-model-03.txt
	Pages           : 49
	Date            : 2019-03-11

Abstract:
   This document describes a YANG data model for TE network topologies
   that are network service and function aware.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-sf-aware-topo-model/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-sf-aware-topo-model-03
https://datatracker.ietf.org/doc/html/draft-ietf-teas-sf-aware-topo-model-0=
3

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-sf-aware-topo-model-03


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

Internet-Drafts are also available by anonymous FTP at:
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_______________________________________________
Teas mailing list
Teas@ietf.org
https://www.ietf.org/mailman/listinfo/teas


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From: Xufeng Liu <xufeng.liu.ietf@gmail.com>
Date: Mon, 11 Mar 2019 21:48:59 -0400
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Subject: Re: [Teas] I-D Action: draft-ietf-teas-yang-sr-te-topo-04.txt
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TEAS and SPRING WGs:

An updated version of draft-ietf-teas-yang-sr-te-topo has been posted. The
changes are:

- Synchronize with the updated draft-ietf-spring-sr-yang-12, which provides
several shared groupings, including srgb and srlb.

- Added a leaf to indicate the instance of the information source, in
addition to the existing information source protocol type, to cater to the
use-cases where the information is learned via different instances of the
same source protocol (different instances of the same IGP).

Thanks,
- Xufeng


On Mon, Mar 11, 2019 at 2:25 PM <internet-drafts@ietf.org> wrote:

>
> A New Internet-Draft is available from the on-line Internet-Drafts
> directories.
> This draft is a work item of the Traffic Engineering Architecture and
> Signaling WG of the IETF.
>
>         Title           : YANG Data Model for SR and SR TE Topologies
>         Authors         : Xufeng Liu
>                           Igor Bryskin
>                           Vishnu Pavan Beeram
>                           Tarek Saad
>                           Himanshu Shah
>                           Stephane Litkowski
>         Filename        : draft-ietf-teas-yang-sr-te-topo-04.txt
>         Pages           : 31
>         Date            : 2019-03-11
>
> Abstract:
>    This document defines a YANG data model for Segment Routing (SR)
>    topology and Segment Routing (SR) traffic engineering (TE) topology.
>
>
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-teas-yang-sr-te-topo/
>
> There are also htmlized versions available at:
> https://tools.ietf.org/html/draft-ietf-teas-yang-sr-te-topo-04
> https://datatracker.ietf.org/doc/html/draft-ietf-teas-yang-sr-te-topo-04
>
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-yang-sr-te-topo-04
>
>
> 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/
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>

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<div dir=3D"ltr"><div dir=3D"ltr"><div>TEAS and SPRING WGs:</div><div><br><=
/div><div>An updated version of draft-ietf-teas-yang-sr-te-topo has been po=
sted. The changes are:<br><br>- Synchronize with the updated draft-ietf-spr=
ing-sr-yang-12, which provides several shared groupings, including srgb and=
 srlb.</div><div><br>- Added a leaf to indicate the instance of the informa=
tion source, in addition to the existing information source protocol type, =
to cater to the use-cases where the information is learned via different in=
stances of the same source protocol (different instances of the same IGP). =
<br></div><div><br></div><div>Thanks,</div><div>- Xufeng<br></div><div><br>=
</div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">=
On Mon, Mar 11, 2019 at 2:25 PM &lt;<a href=3D"mailto:internet-drafts@ietf.=
org">internet-drafts@ietf.org</a>&gt; wrote:<br></div><blockquote class=3D"=
gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(20=
4,204,204);padding-left:1ex"><br>
A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.<br>
This draft is a work item of the Traffic Engineering Architecture and Signa=
ling WG of the IETF.<br>
<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Title=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0:=
 YANG Data Model for SR and SR TE Topologies<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Authors=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0: Xufe=
ng Liu<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 Igor Bryskin<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 Vishnu Pavan Beeram<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 Tarek Saad<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 Himanshu Shah<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 Stephane Litkowski<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Filename=C2=A0 =C2=A0 =C2=A0 =C2=A0 : draft-iet=
f-teas-yang-sr-te-topo-04.txt<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Pages=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0:=
 31<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Date=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 :=
 2019-03-11<br>
<br>
Abstract:<br>
=C2=A0 =C2=A0This document defines a YANG data model for Segment Routing (S=
R)<br>
=C2=A0 =C2=A0topology and Segment Routing (SR) traffic engineering (TE) top=
ology.<br>
<br>
<br>
The IETF datatracker status page for this draft is:<br>
<a href=3D"https://datatracker.ietf.org/doc/draft-ietf-teas-yang-sr-te-topo=
/" rel=3D"noreferrer" target=3D"_blank">https://datatracker.ietf.org/doc/dr=
aft-ietf-teas-yang-sr-te-topo/</a><br>
<br>
There are also htmlized versions available at:<br>
<a href=3D"https://tools.ietf.org/html/draft-ietf-teas-yang-sr-te-topo-04" =
rel=3D"noreferrer" target=3D"_blank">https://tools.ietf.org/html/draft-ietf=
-teas-yang-sr-te-topo-04</a><br>
<a href=3D"https://datatracker.ietf.org/doc/html/draft-ietf-teas-yang-sr-te=
-topo-04" rel=3D"noreferrer" target=3D"_blank">https://datatracker.ietf.org=
/doc/html/draft-ietf-teas-yang-sr-te-topo-04</a><br>
<br>
A diff from the previous version is available at:<br>
<a href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-yang-sr-te-t=
opo-04" rel=3D"noreferrer" target=3D"_blank">https://www.ietf.org/rfcdiff?u=
rl2=3Ddraft-ietf-teas-yang-sr-te-topo-04</a><br>
<br>
<br>
Please note that it may take a couple of minutes from the time of submissio=
n<br>
until the htmlized version and diff are available at <a href=3D"http://tool=
s.ietf.org" rel=3D"noreferrer" target=3D"_blank">tools.ietf.org</a>.<br>
<br>
Internet-Drafts are also available by anonymous FTP at:<br>
<a href=3D"ftp://ftp.ietf.org/internet-drafts/" rel=3D"noreferrer" target=
=3D"_blank">ftp://ftp.ietf.org/internet-drafts/</a><br>
<br>
_______________________________________________<br>
Teas mailing list<br>
<a href=3D"mailto:Teas@ietf.org" target=3D"_blank">Teas@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/teas" rel=3D"noreferrer" t=
arget=3D"_blank">https://www.ietf.org/mailman/listinfo/teas</a><br>
</blockquote></div></div></div>

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From: Tarek Saad <tsaad.net@gmail.com>
To: Vishnu Pavan Beeram <vishnupavan@gmail.com>, TEAS WG <teas@ietf.org>
CC: TEAS WG Chairs <teas-chairs@ietf.org>, Matt Hartley <mhartley.ietf@gmail.com>
Thread-Topic: [Teas] IETF104: TEAS Agenda Slot Requests
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Subject: Re: [Teas] IETF104: TEAS Agenda Slot Requests
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Hi all,

We=92d like to request a slot to present update on the following drafts:
draft-ietf-teas-yang-te
draft-ietf-teas-yang-rsvp-te
draft-ietf-teas-yang-rsvp

Presenter: Tarek Saad
Duration: 10-12 minutes

Regards,
Tarek

From: Teas <teas-bounces@ietf.org> on behalf of Vishnu Pavan Beeram <vishnu=
pavan@gmail.com>
Date: Monday, March 4, 2019 at 9:00 PM
To: TEAS WG <teas@ietf.org>
Cc: TEAS WG Chairs <teas-chairs@ietf.org>, Matt Hartley <mhartley.ietf@gmai=
l.com>
Subject: [Teas] IETF104: TEAS Agenda Slot Requests

All,

The IETF 104 meeting agenda is available at https://datatracker.ietf.org/me=
eting/104/agenda/. We have 2 slots scheduled on Tuesday, March 26th - 11:20=
 to 12:20 and 13:50 to 15:50.

If you'd like to present your draft, please send a request to the Secretary=
 (Matt on cc) and the Chairs by Monday, March 11th with the draft name, the=
 speaker name, and the desired slot duration. Please note that this is also=
 the cut-off for draft submissions. If you have a WG draft that you aren't =
presenting, please provide a status update.

Thanks
Matt/Lou/Pavan

Important Dates:
=95  2019-03-11 (Monday): Internet Draft submission cut-off (for all drafts=
, including -00) by UTC 23:59.
=95  2019-03-11 (Monday): Standard rate registration and payment cut-off at=
 UTC 23:59..
=95  2019-03-13 (Wednesday): Draft Working Group agendas due by UTC 23:59.
=95  2019-03-18 (Monday): Registration cancellation cut-off at UTC 23:59.
=95  2019-03-18 (Monday): Revised Working Group agendas due by UTC 23:59.
=95  2019-04-19 (Friday): Proceedings submission cutoff date by UTC 23:59.
=95  2019-05-13 (Monday): Proceedings submission corrections cutoff date by=
 UTC 23:59.

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</head>
<body lang=3D"EN-US" link=3D"blue" vlink=3D"purple">
<div class=3D"WordSection1">
<p class=3D"MsoNormal">Hi all,<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">We=92d like to request a slot to present update on t=
he following drafts:<o:p></o:p></p>
<p class=3D"MsoNormal">draft-ietf-teas-yang-te<o:p></o:p></p>
<p class=3D"MsoNormal">draft-ietf-teas-yang-rsvp-te<o:p></o:p></p>
<p class=3D"MsoNormal">draft-ietf-teas-yang-rsvp<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Presenter: Tarek Saad<o:p></o:p></p>
<p class=3D"MsoNormal">Duration: 10-12 minutes<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Regards,<o:p></o:p></p>
<p class=3D"MsoNormal">Tarek<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<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:12.0pt;color:black">From=
: </span></b><span style=3D"font-size:12.0pt;color:black">Teas &lt;teas-bou=
nces@ietf.org&gt; on behalf of Vishnu Pavan Beeram &lt;vishnupavan@gmail.co=
m&gt;<br>
<b>Date: </b>Monday, March 4, 2019 at 9:00 PM<br>
<b>To: </b>TEAS WG &lt;teas@ietf.org&gt;<br>
<b>Cc: </b>TEAS WG Chairs &lt;teas-chairs@ietf.org&gt;, Matt Hartley &lt;mh=
artley.ietf@gmail.com&gt;<br>
<b>Subject: </b>[Teas] IETF104: TEAS Agenda Slot Requests<o:p></o:p></span>=
</p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<div>
<div>
<div>
<p class=3D"MsoNormal">All,<br>
<br>
The IETF 104 meeting agenda is available at <a href=3D"https://datatracker.=
ietf.org/meeting/104/agenda/">
https://datatracker.ietf.org/meeting/104/agenda/</a>. We have 2 slots sched=
uled on Tuesday, March 26th - 11:20 to 12:20 and 13:50 to 15:50.<br>
<br>
If you'd like to present your draft, please send a request to the Secretary=
 (Matt on cc) and the Chairs by Monday, March 11th with the draft name, the=
 speaker name, and the desired slot duration. Please note that this is also=
 the cut-off for draft submissions.
 If you have a WG draft that you aren't presenting, please provide a status=
 update.<br>
<br>
Thanks<br>
Matt/Lou/Pavan<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Important Dates:<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-family:Symbol">=B7</span>&nbsp; =
<strong><span style=3D"font-family:&quot;Calibri&quot;,sans-serif">2019-03-=
11 (Monday):</span></strong> Internet Draft submission cut-off (for all dra=
fts, including -00) by UTC 23:59.
<o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-family:Symbol">=B7</span>&nbsp; =
<strong><span style=3D"font-family:&quot;Calibri&quot;,sans-serif">2019-03-=
11 (Monday):</span></strong> Standard rate registration and payment cut-off=
 at UTC 23:59..
<o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-family:Symbol">=B7</span>&nbsp; =
<strong><span style=3D"font-family:&quot;Calibri&quot;,sans-serif">2019-03-=
13 (Wednesday):</span></strong> Draft Working Group agendas due by UTC 23:5=
9.
<o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-family:Symbol">=B7</span>&nbsp; =
<strong><span style=3D"font-family:&quot;Calibri&quot;,sans-serif">2019-03-=
18 (Monday):</span></strong> Registration cancellation cut-off at UTC 23:59=
.
<o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-family:Symbol">=B7</span>&nbsp; =
<strong><span style=3D"font-family:&quot;Calibri&quot;,sans-serif">2019-03-=
18 (Monday):</span></strong> Revised Working Group agendas due by UTC 23:59=
.
<o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-family:Symbol">=B7</span>&nbsp; =
<strong><span style=3D"font-family:&quot;Calibri&quot;,sans-serif">2019-04-=
19 (Friday):</span></strong> Proceedings submission cutoff date by UTC 23:5=
9.<o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-family:Symbol">=B7</span>&nbsp; =
<strong><span style=3D"font-family:&quot;Calibri&quot;,sans-serif">2019-05-=
13 (Monday):</span></strong> Proceedings submission corrections cutoff date=
 by UTC 23:59.
<o:p></o:p></p>
</div>
</div>
</div>
</div>
</div>
</body>
</html>

--_000_BN8PR06MB6289F13F8F308EE1AC4BBF2EFC4A0BN8PR06MB6289namp_--


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Date: Thu, 14 Mar 2019 14:47:02 -0400
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Subject: [Teas] Slides for Prague
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All,

The agenda for Prague is now up at
https://datatracker.ietf.org/meeting/104/materials/agenda-104-teas-04.

If you're presenting, please send slides to me and the Chairs by the end of
the day on Friday, March 22nd (that's next week) so that we can get them
uploaded. If you have a WG draft that isn't being presented, please send an
update to the WG by the same day.

Cheers

Matt/Lou/Pavan

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<div dir=3D"ltr"><div dir=3D"ltr"><div>All,</div><div><br></div><div>The ag=
enda for Prague is now up at <a href=3D"https://datatracker.ietf.org/meetin=
g/104/materials/agenda-104-teas-04">https://datatracker.ietf.org/meeting/10=
4/materials/agenda-104-teas-04</a>.</div><div><br></div><div>If you&#39;re =
presenting, please send slides to me and the Chairs by the end of the day o=
n Friday, March 22nd (that&#39;s next week) so that we can get them uploade=
d. If you have a WG draft that isn&#39;t being presented, please send an up=
date to the WG by the same day.</div><div><br></div><div>Cheers</div><div><=
br></div><div>Matt/Lou/Pavan<br></div></div></div>

--000000000000bb04ea058412594a--


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FYI - A revised agenda has been uploaded, see 
https://datatracker.ietf.org/meeting/104/materials/agenda-104-teas


On 3/14/2019 2:47 PM, Matt Hartley wrote:
> All,
>
> The agenda for Prague is now up at 
> https://datatracker.ietf.org/meeting/104/materials/agenda-104-teas-04.
>
> If you're presenting, please send slides to me and the Chairs by the 
> end of the day on Friday, March 22nd (that's next week) so that we can 
> get them uploaded. If you have a WG draft that isn't being presented, 
> please send an update to the WG by the same day.
>
> Cheers
>
> Matt/Lou/Pavan
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas

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<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
    <p>FYI - A revised agenda has been uploaded, see <a
href="https://datatracker.ietf.org/meeting/104/materials/agenda-104-teas"
        moz-do-not-send="true">https://datatracker.ietf.org/meeting/104/materials/agenda-104-teas</a></p>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix">On 3/14/2019 2:47 PM, Matt Hartley
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAKfnWBhNT1Og2xDJTpkrCQ+cMsxRCpurHch9qrRzoNyLBGyXiA@mail.gmail.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">
        <div dir="ltr">
          <div>All,</div>
          <div><br>
          </div>
          <div>The agenda for Prague is now up at <a
href="https://datatracker.ietf.org/meeting/104/materials/agenda-104-teas-04"
              moz-do-not-send="true">https://datatracker.ietf.org/meeting/104/materials/agenda-104-teas-04</a>.</div>
          <div><br>
          </div>
          <div>If you're presenting, please send slides to me and the
            Chairs by the end of the day on Friday, March 22nd (that's
            next week) so that we can get them uploaded. If you have a
            WG draft that isn't being presented, please send an update
            to the WG by the same day.</div>
          <div><br>
          </div>
          <div>Cheers</div>
          <div><br>
          </div>
          <div>Matt/Lou/Pavan<br>
          </div>
        </div>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <pre class="moz-quote-pre" wrap="">_______________________________________________
Teas mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Teas@ietf.org">Teas@ietf.org</a>
<a class="moz-txt-link-freetext" href="https://www.ietf.org/mailman/listinfo/teas">https://www.ietf.org/mailman/listinfo/teas</a>
</pre>
    </blockquote>
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From nobody Wed Mar 20 08:08:27 2019
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From: Matt Hartley <mhartley.ietf@gmail.com>
Date: Wed, 20 Mar 2019 11:08:10 -0400
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Subject: Re: [Teas] Slides for Prague
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A gentle reminder... please send slides in the next couple of days!

Cheers

Matt

On Thu, Mar 14, 2019 at 2:47 PM Matt Hartley <mhartley.ietf@gmail.com>
wrote:

> All,
>
> The agenda for Prague is now up at
> https://datatracker.ietf.org/meeting/104/materials/agenda-104-teas-04.
>
> If you're presenting, please send slides to me and the Chairs by the end
> of the day on Friday, March 22nd (that's next week) so that we can get them
> uploaded. If you have a WG draft that isn't being presented, please send an
> update to the WG by the same day.
>
> Cheers
>
> Matt/Lou/Pavan
>

--000000000000128a7d058487feae
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<div dir=3D"ltr"><div>A gentle reminder... please send slides in the next c=
ouple of days!</div><div><br></div><div>Cheers</div><div><br></div><div>Mat=
t<br></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"g=
mail_attr">On Thu, Mar 14, 2019 at 2:47 PM Matt Hartley &lt;<a href=3D"mail=
to:mhartley.ietf@gmail.com">mhartley.ietf@gmail.com</a>&gt; wrote:<br></div=
><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border=
-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr"><div di=
r=3D"ltr"><div>All,</div><div><br></div><div>The agenda for Prague is now u=
p at <a href=3D"https://datatracker.ietf.org/meeting/104/materials/agenda-1=
04-teas-04" target=3D"_blank">https://datatracker.ietf.org/meeting/104/mate=
rials/agenda-104-teas-04</a>.</div><div><br></div><div>If you&#39;re presen=
ting, please send slides to me and the Chairs by the end of the day on Frid=
ay, March 22nd (that&#39;s next week) so that we can get them uploaded. If =
you have a WG draft that isn&#39;t being presented, please send an update t=
o the WG by the same day.</div><div><br></div><div>Cheers</div><div><br></d=
iv><div>Matt/Lou/Pavan<br></div></div></div>
</blockquote></div>

--000000000000128a7d058487feae--


From nobody Thu Mar 21 18:43:58 2019
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From: Vishnu Pavan Beeram <vishnupavan@gmail.com>
Date: Thu, 21 Mar 2019 20:43:38 -0500
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Subject: [Teas] Prague Meeting: Agenda Update
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Folks, Hi!

*Agenda:*
https://datatracker.ietf.org/meeting/104/materials/agenda-104-teas
Session 1: Tuesday March 26th 2019, 11:20 - 12:20, Room - Congress Hall 2
Session 2: Tuesday March 26th 2019, 13:50 - 15:50, Room - Grand Ballroom

Please take a look and let us know if there are any errors/questions.
Also, if you intend to present remotely, please let the chairs know - you
can confirm that you are listed as remote presenter at
https://ietf104.conf.meetecho.com/list.php

*Other Logistics:*

We will as always be using etherpad for collaborative note taking.
The etherpad link is
<http://etherpad.tools.ietf.org:9000/p/notes-ietf-103-teas?useMonospaceFont=true>
http://etherpad.tools.ietf.org:9000/p/notes-ietf-104-teas?useMonospaceFont=true

Links to audio streams, meetecho  and jabber can be found at
Session 1: https://tools.ietf.org/agenda/104/#104-tue-1120-teas
Session 2: https://tools.ietf.org/agenda/104/#104-tue-1350-teas

Please note that WG Draft authors who aren't presenting should send status
to the list prior to the WG meeting. Please send your status update by *Friday,
March 22nd* (tomorrow). Status includes review of: any recent changes, any
open discussions or issues, and planned next steps.

For all drafts that have a slot in the agenda, we need the
presentation-slides sent out to us (Chairs/Secretary) by *Friday, March
22nd* (tomorrow).

Cheers,
Pavan and Lou

--000000000000810c2e0584a4fc4a
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<div dir=3D"ltr"><div dir=3D"ltr"><div>Folks, Hi!</div><div><br></div><div>=
<b>Agenda:</b></div><div><span id=3D"m_-28802372898976436gmail-m_6824498187=
733556919gmail-m_3957585435506560282gmail-:8q.co" class=3D"m_-2880237289897=
6436gmail-m_6824498187733556919gmail-m_3957585435506560282gmail-tL8wMe m_-2=
8802372898976436gmail-m_6824498187733556919gmail-m_3957585435506560282gmail=
-EMoHub" style=3D"text-align:left" dir=3D"ltr"><a rel=3D"nofollow noreferre=
r noopener" href=3D"https://datatracker.ietf.org/meeting/104/materials/agen=
da-104-teas" class=3D"m_-28802372898976436gmail-m_6824498187733556919gmail-=
m_3957585435506560282gmail-Xx" dir=3D"ltr" target=3D"_blank">https://datatr=
acker.ietf.org/meeting/104/materials/agenda-104-teas</a><br></span></div><d=
iv>Session 1: Tuesday March 26th 2019, 11:20 - 12:20, Room - Congress Hall =
2<br></div><div>Session 2: Tuesday March 26th 2019, 13:50 - 15:50, Room - G=
rand Ballroom<br></div><div><br></div><div>Please
 take a look and let us know if there are any errors/questions.=C2=A0 Also,=
=20
if you intend to present remotely, please let the chairs know - you can=20
confirm that you are listed as remote presenter at <a href=3D"https://ietf1=
04.conf.meetecho.com/list.php" target=3D"_blank">https://ietf104.conf.meete=
cho.com/list.php</a></div><div><br></div><div><b>Other Logistics:</b></div>=
<div><br></div><div>We will as always be using etherpad for collaborative n=
ote taking.<br>The etherpad link is<a href=3D"http://etherpad.tools.ietf.or=
g:9000/p/notes-ietf-103-teas?useMonospaceFont=3Dtrue" target=3D"_blank"> <b=
r></a></div><div><a href=3D"http://etherpad.tools.ietf.org:9000/p/notes-iet=
f-104-teas?useMonospaceFont=3Dtrue" target=3D"_blank">http://etherpad.tools=
.ietf.org:9000/p/notes-ietf-104-teas?useMonospaceFont=3Dtrue</a><br><br>Lin=
ks to audio streams, meetecho =C2=A0and jabber can be found at</div><div>Se=
ssion 1: <a href=3D"https://tools.ietf.org/agenda/104/#104-tue-1120-teas" t=
arget=3D"_blank">https://tools.ietf.org/agenda/104/#104-tue-1120-teas</a><b=
r>Session 2:  <a href=3D"https://tools.ietf.org/agenda/104/#104-tue-1350-te=
as" target=3D"_blank">https://tools.ietf.org/agenda/104/#104-tue-1350-teas<=
/a></div><div><br></div><div>Please
 note that WG Draft authors who aren&#39;t presenting should send status to=
=20
the list prior to the WG meeting. Please send your status <span class=3D"m_=
-28802372898976436gmail-m_6824498187733556919gmail-m_3957585435506560282gma=
il-m_-8239500892196045170gmail-il"><span class=3D"m_-28802372898976436gmail=
-m_6824498187733556919gmail-m_3957585435506560282gmail-il">update</span></s=
pan> by <b>Friday, March 22nd</b> (tomorrow). Status includes review of: an=
y recent changes, any open discussions or issues, and planned next steps.<b=
r><br>For all drafts that have a slot in the <span class=3D"m_-288023728989=
76436gmail-m_6824498187733556919gmail-m_3957585435506560282gmail-m_-8239500=
892196045170gmail-il"><span class=3D"m_-28802372898976436gmail-m_6824498187=
733556919gmail-m_3957585435506560282gmail-il">agenda</span></span>, we need=
 the presentation-slides sent out to us (Chairs/Secretary) by <b>Friday, Ma=
rch 22nd</b> (tomorrow).<br><br>Cheers,<br>Pavan and Lou</div></div></div>

--000000000000810c2e0584a4fc4a--


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From: Abhishek Deshmukh <adeshmukh@juniper.net>
To: "teas@ietf.org" <teas@ietf.org>, TEAS WG Chairs <teas-chairs@ietf.org>
Thread-Topic: Status update for draft-ietf-teas-rsvp-rmr-extension
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--_000_9C05D27A72B34A14958C1AFE6EA8DF77junipernet_--


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Subject: [Teas] Regarding status updates for draft-ietf-teas-pce-native-ip and draft-ietf-teas-native-ip-scenarios
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Hi, TEAS experts:

Following are the current statuses for draft-ietf-teas-pce-native-ip and dra=
ft-teas-native-ip-scenarios:
=20
No updates to the drafts since the last IETF.
Drafts are stable.
Next Steps:
Draft draft-teas-native-ip-scenarios( https://tools.ietf.org/html/draft-ietf=
-teas-native-ip-scenarios-02) is ready for last call review.=20
New proposals/drafts for the solution https://tools.ietf.org/html/draft-ietf=
-teas-pce-native-ip-02 are welcome.
Finished first the related PCEP protocol extension draft(https://tools.ietf.=
org/html/draft-ietf-pce-pcep-extension-native-ip-03) in PCE WG. If there is a=
ny new proposal/suggestion for the solutions, then update the above solution=
 draft accordingly.
Further review & feedback from working group are welcome.

I will participate in the coming meeting in Prague, and wish have chances to=
 discuss these drafts during the meeting.

Aijun Wang
China Telecom=

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div dir=3D"ltr"><span></span></div><div di=
r=3D"ltr"><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"><div dir=3D"ltr"><span></span></div><div dir=3D"ltr"><p class=3D"MsoN=
ormal" style=3D"text-indent: 0px; margin: 0in 0in 0.0001pt 0.25in;"><span st=
yle=3D"background-color: rgba(255, 255, 255, 0);">Hi, TEAS experts:</span></=
p><p class=3D"MsoNormal" style=3D"text-indent: 0px; margin: 0in 0in 0.0001pt=
 0.25in;"><span style=3D"background-color: rgba(255, 255, 255, 0);"><br></sp=
an></p><p class=3D"MsoNormal" style=3D"text-indent: 0px; margin: 0in 0in 0.0=
001pt 0.25in;"><span style=3D"background-color: rgba(255, 255, 255, 0);">Fol=
lowing are the current statuses for draft-ietf-teas-pce-native-ip and draft-=
teas-native-ip-scenarios:<o:p></o:p></span></p><p class=3D"MsoNormal" style=3D=
"text-indent: 0px; margin: 0in 0in 0.0001pt 0.25in;"><span style=3D"backgrou=
nd-color: rgba(255, 255, 255, 0);">&nbsp;<o:p></o:p></span></p><ul type=3D"d=
isc" style=3D"margin-bottom: 0in; margin-top: 0in;"><li class=3D"MsoListPara=
graph" style=3D"margin: 0in 0in 0.0001pt -0.25in;"><span style=3D"background=
-color: rgba(255, 255, 255, 0);">No updates to the drafts since the last IET=
F.</span></li><li class=3D"MsoListParagraph" style=3D"margin: 0in 0in 0.0001=
pt -0.25in;"><span style=3D"background-color: rgba(255, 255, 255, 0);">Draft=
s are stable.<o:p></o:p></span></li><li class=3D"MsoListParagraph" style=3D"=
margin: 0in 0in 0.0001pt -0.25in;"><span style=3D"background-color: rgba(255=
, 255, 255, 0);">Next Steps:</span></li><ul type=3D"circle" style=3D"margin-=
bottom: 0in; margin-top: 0in;"><li class=3D"MsoListParagraph" style=3D"margi=
n: 0in 0in 0.0001pt -0.25in;"><span style=3D"background-color: rgba(255, 255=
, 255, 0);">Draft&nbsp;draft-teas-native-ip-scenarios(&nbsp;<a href=3D"https=
://tools.ietf.org/html/draft-ietf-teas-native-ip-scenarios-02">https://tools=
.ietf.org/html/draft-ietf-teas-native-ip-scenarios-02</a>)&nbsp;is ready for=
 last call review.&nbsp;</span></li><li class=3D"MsoListParagraph" style=3D"=
margin: 0in 0in 0.0001pt -0.25in;"><span style=3D"background-color: rgba(255=
, 255, 255, 0);">New proposals/drafts for the solution <a href=3D"https://to=
ols.ietf.org/html/draft-ietf-teas-pce-native-ip-02">https://tools.ietf.org/h=
tml/draft-ietf-teas-pce-native-ip-02</a>&nbsp;are&nbsp;welcome.</span></li><=
li class=3D"MsoListParagraph" style=3D"margin: 0in 0in 0.0001pt -0.25in;"><s=
pan style=3D"background-color: rgba(255, 255, 255, 0);">Finished first the r=
elated PCEP protocol extension draft(<a href=3D"https://tools.ietf.org/html/=
draft-ietf-pce-pcep-extension-native-ip-03">https://tools.ietf.org/html/draf=
t-ietf-pce-pcep-extension-native-ip-03</a>)&nbsp;in PCE WG. If there is any n=
ew proposal/suggestion for the solutions, then update the above solution dra=
ft&nbsp;accordingly.</span></li><li class=3D"MsoListParagraph" style=3D"marg=
in: 0in 0in 0.0001pt -0.25in;"><span style=3D"background-color: rgba(255, 25=
5, 255, 0);">Further review &amp; feedback from working group are welcome.</=
span></li></ul></ul><span></span><div dir=3D"ltr"><br></div>I will participa=
te in the coming meeting in Prague, and wish have chances to discuss these d=
rafts during the meeting.<br><span></span><br><span>Aijun Wang</span><br><sp=
an>China Telecom</span></div></div></body></html>=

--Apple-Mail-376CB054-2701-43FF-BD16-91EDB80522A0--


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From: Xufeng Liu <xufeng.liu.ietf@gmail.com>
Date: Sat, 23 Mar 2019 08:02:15 -0400
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Subject: [Teas] Status update on draft-ietf-teas-sf-aware-topo-model
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--000000000000a9a7a70584c1be95
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Current Status:

  *  The updated revision -03 was posted on Mar 11, 2019:

     > Editorial fixes.

Open Issues:

  *   None.

Next Steps:

  *  Update the document to align with the latest versions of
     referenced documents, including draft-ietf-teas-yang-te-topo,
     RFC8340, RFC8342, RFC8345, and RFC8459.
  *  Update the section of Security Considerations according to latest
     guidelines.
  *  Get further reviews.
  *  YANG doctor's review.
  *  Working Group Last Call after completing above.

Thanks,
- Xufeng

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<div dir=3D"ltr"><div dir=3D"ltr">Current Status:<br><br>=C2=A0 *=C2=A0 The=
 updated revision -03 was posted on Mar 11, 2019:<br><br>=C2=A0=C2=A0=C2=A0=
=C2=A0 &gt; Editorial fixes.<br><br>Open Issues:<br><br>=C2=A0 *=C2=A0=C2=
=A0 None.<br><br>Next Steps:<br><br>=C2=A0 *=C2=A0 Update the document to a=
lign with the latest versions of<br>=C2=A0=C2=A0=C2=A0=C2=A0 referenced doc=
uments, including draft-ietf-teas-yang-te-topo,<br>=C2=A0=C2=A0=C2=A0=C2=A0=
 RFC8340, RFC8342, RFC8345, and RFC8459.<br>=C2=A0 *=C2=A0 Update the secti=
on of Security Considerations according to latest<br>=C2=A0=C2=A0=C2=A0=C2=
=A0 guidelines.<br>=C2=A0 *=C2=A0 Get further reviews.<br>=C2=A0 *=C2=A0 YA=
NG doctor&#39;s review.<br>=C2=A0 *=C2=A0 Working Group Last Call after com=
pleting above.<br></div><div dir=3D"ltr"><br></div><div>Thanks,</div><div>-=
 Xufeng<br></div></div>

--000000000000a9a7a70584c1be95--


From nobody Mon Mar 25 01:36:34 2019
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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 Traffic Engineering Architecture and Signaling WG of the IETF.

        Title           : A YANG Data Model for Traffic Engineering Tunnels and Interfaces
        Authors         : Tarek Saad
                          Rakesh Gandhi
                          Xufeng Liu
                          Vishnu Pavan Beeram
                          Igor Bryskin
	Filename        : draft-ietf-teas-yang-te-20.txt
	Pages           : 104
	Date            : 2019-03-25

Abstract:
   This document defines a YANG data model for the configuration and
   management of Traffic Engineering (TE) interfaces, tunnels and Label
   Switched Paths (LSPs).  The model is divided into YANG modules that
   classify data into generic, device-specific, technology agnostic, and
   technology-specific elements.

   This model covers data for configuration, operational state, remote
   procedural calls, and event notifications.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-yang-te-20
https://datatracker.ietf.org/doc/html/draft-ietf-teas-yang-te-20

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-yang-te-20


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 Mon Mar 25 01:45:42 2019
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Hi TEAS WG,

This is the status update for draft-ietf-teas-gmpls-signaling-smp:

*       The draft has been accepted as a WG draft after last IETF meeting.

*       Next steps:

Address comments received during WG call and previous meetings (e.g., APS c=
onfiguration)

o   Further review & feedback from working group are welcome

Jia and Italo


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<p class=3D"MsoNormal">Hi TEAS WG,<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">This is the status update for draft-ietf-teas-gmpls-=
signaling-smp:<span lang=3D"EN"><o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo1"><![if !supportLists]><span style=3D"font-family:Symbol"><span styl=
e=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt &quot;Times New Rom=
an&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]>The draft has been accepted as a WG draft af=
ter last IETF meeting.<o:p></o:p></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo1"><![if !supportLists]><span style=3D"font-family:Symbol"><span styl=
e=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt &quot;Times New Rom=
an&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]>Next steps:<o:p></o:p></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt">Address comments=
 received during WG call and previous meetings (e.g., APS configuration)<o:=
p></o:p></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1">
<![if !supportLists]><span style=3D"font-family:&quot;Courier New&quot;"><s=
pan style=3D"mso-list:Ignore">o<span style=3D"font:7.0pt &quot;Times New Ro=
man&quot;">&nbsp;&nbsp;
</span></span></span><![endif]>Further review &amp; feedback from working g=
roup are welcome<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Jia and Italo<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
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--_000_DB700EDA6ACF4B179B9AC5C2939F89D7ciscocom_--


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From: "Zhenghaomian (Zhenghaomian, Optical Technology Research Dept)" <zhenghaomian@huawei.com>
To: 'Lou Berger' <lberger@labn.net>, "'adrian@olddog.co.uk'" <adrian@olddog.co.uk>, "'teas@ietf.org'" <teas@ietf.org>
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Thread-Topic: Consistency checked & WG adoption Request//Re: [Teas] Review and thoughts on draft-zheng-teas-gmpls-controller-inter-work
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Subject: [Teas] Consistency checked & WG adoption Request//Re: Review and thoughts on draft-zheng-teas-gmpls-controller-inter-work
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To: "Acee Lindem (acee)" <acee@cisco.com>, "draft-peng-lsr-network-slicing@ietf.org" <draft-peng-lsr-network-slicing@ietf.org>
Cc: "lsr@ietf.org" <lsr@ietf.org>, "teas@ietf.org" <teas@ietf.org>
References: <DB700EDA-6ACF-4B17-9B9A-C5C2939F89D7@cisco.com>
From: Lou Berger <lberger@labn.net>
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Subject: Re: [Teas] "Packet Network Slicing using Segment Routing"
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Authors, just resubmit with teas in place of lsr, when you do your 
update based on other feedback you received this week.

Thanks,

Lou

(TEAS co-chair)

On 3/25/2019 2:52 PM, Acee Lindem (acee) wrote:
>
> Hi Authors,
>
> I read this draft on the plane on the way to Prague and I donâ€™t think 
> it belongs in LSR. I believe it belongs in TEAs as it is more about 
> the requirement and framework for TE slicing than it does about adding 
> the Administrative Instance Identifier (AII) to the OSPF and IS-IS TE 
> encodings. We will go forward with the presentation on Thursday with 
> the understanding that LSR will not adopt this work. If it is adopted 
> in TEAS, we can decide whether to proceed with a small LSR draft with 
> just the new AIIs or simply provide review and IANA code points in our 
> registries.
>
> Thanks,
> Acee
>
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas

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    <p>Authors, just resubmit with teas in place of lsr, when you do
      your update based on other feedback you received this week.</p>
    <p>Thanks,</p>
    <p>Lou</p>
    <p>(TEAS co-chair)<br>
    </p>
    <div class="moz-cite-prefix">On 3/25/2019 2:52 PM, Acee Lindem
      (acee) wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:DB700EDA-6ACF-4B17-9B9A-C5C2939F89D7@cisco.com">
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        <p class="MsoNormal"><span style="font-size:11.0pt">Hi Authors,
            <o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt"><o:p>Â </o:p></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt">I read this
            draft on the plane on the way to Prague and I donâ€™t think it
            belongs in LSR. I believe it belongs in TEAs as it is more
            about the requirement and framework for TE slicing than it
            does about adding the Administrative Instance Identifier
            (AII) to the OSPF and IS-IS TE encodings. We will go forward
            with the presentation on Thursday with the understanding
            that LSR will not adopt this work. If it is adopted in TEAS,
            we can decide whether to proceed with a small LSR draft with
            just the new AIIs or simply provide review and IANA code
            points in our registries.
            <o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt"><o:p>Â </o:p></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt">Thanks,<br>
            Acee<o:p></o:p></span></p>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <pre class="moz-quote-pre" wrap="">_______________________________________________
Teas mailing list
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From: Leeyoung <leeyoung@huawei.com>
To: TEAS WG <teas@ietf.org>
Thread-Topic: New Version Notification for draft-lee-teas-actn-pm-telemetry-autonomics-09.txt
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Subject: Re: [Teas] New Version Notification for draft-lee-teas-actn-pm-telemetry-autonomics-09.txt
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--=====_003_next=====--

--=====_002_next=====--

--=====_001_next=====--


From nobody Tue Mar 26 02:56:48 2019
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From: Liaison Statement Management Tool <statements@ietf.org>
To: <hiroshi.ota@itu.int>
Cc: Martin Vigoureux <martin.vigoureux@nokia.com>, Deborah Brungard <db3546@att.com>, Vishnu Beeram <vbeeram@juniper.net>, Multiprotocol Label Switching Discussion List <mpls@ietf.org>, Adrian Farrel <adrian@olddog.co.uk>, Scott Mansfield <Scott.Mansfield@Ericsson.com>, Dhruv Dhody <dhruv.ietf@gmail.com>, Path Computation Element Discussion List <pce@ietf.org>, Nicolai Leymann <n.leymann@telekom.de>, John Drake <jdrake@juniper.net>, Alvaro Retana <aretana.ietf@gmail.com>, Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>, Loa Andersson <loa@pi.nu>, Lou Berger <lberger@labn.net>, Common Control and Measurement Plane Discussion List <ccamp@ietf.org>, Fatai Zhang <zhangfatai@huawei.com>, scott.mansfield@ericsson.com, itu-t-liaison@iab.org, Traffic Engineering Architecture and Signaling Discussion List <teas@ietf.org>, Julien Meuric <julien.meuric@orange.com>
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Date: Tue, 26 Mar 2019 02:56:37 -0700
Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/3uPvZy8TUCR3yPH9KBMhHdiVmaw>
Subject: [Teas] New Liaison Statement, "Reply to LS on OTNT Standardization Work Plan"
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Title: Reply to LS on OTNT Standardization Work Plan
Submission Date: 2019-03-26
URL of the IETF Web page: https://datatracker.ietf.org/liaison/1636/

From: Scott Mansfield <Scott.Mansfield@Ericsson.com>
To: hiroshi.ota@itu.int
Cc: John Drake <jdrake@juniper.net>,Deborah Brungard <db3546@att.com>,Julien Meuric <julien.meuric@orange.com>,Multiprotocol Label Switching Discussion List <mpls@ietf.org>,Adrian Farrel <adrian@olddog.co.uk>,Scott Mansfield <Scott.Mansfield@Ericsson.com>,Fatai Zhang <zhangfatai@huawei.com>,Vishnu Beeram <vbeeram@juniper.net>,Path Computation Element Discussion List <pce@ietf.org>,Traffic Engineering Architecture and Signaling Discussion List <teas@ietf.org>,Martin Vigoureux <martin.vigoureux@nokia.com>,Alvaro Retana <aretana.ietf@gmail.com>,Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>,Dhruv Dhody <dhruv.ietf@gmail.com>,Loa Andersson <loa@pi.nu>,Lou Berger <lberger@labn.net>,Common Control and Measurement Plane Discussion List <ccamp@ietf.org>,itu-t-liaison@iab.org,Nicolai Leymann <n.leymann@telekom.de>,itu-t-liaison@iab.org
Response Contacts: scott.mansfield@ericsson.com
Technical Contacts: scott.mansfield@ericsson.com
Purpose: For information

Body: Thank you for your continued interest in the work of the IETF related to
OTNT standardization.  Below is a list of the recent RFCs and working group
drafts related to OTNT.



*	Recent Relevant RFC

*	RFC8282

*	Extensions to the Path Computation Element Communication Protocol
(PCEP) for Inter-Layer MPLS and GMPLS Traffic Engineering
*	https://datatracker.ietf.org/doc/rfc8282/ 

*	RFC8283

*	An Architecture for Use of PCE and the PCE Communication Protocol
(PCEP) in a Network with Central Control
*	https://datatracker.ietf.org/doc/rfc8283/ 

*	RFC8363

*	GMPLS OSPF-TE Extensions in Support of Flexi-Grid Dense Wavelength
Division Multiplexing (DWDM) Networks
*	https://datatracker.ietf.org/doc/rfc8363/

*	RFC8413

*	Framework for Scheduled Use of Resources
*	https://datatracker.ietf.org/doc/rfc8413/ 

*	RFC 8453

*	Framework for Abstraction and Control of TE Networks (ACTN)
*	https://datatracker.ietf.org/doc/rfc8453/ 

*	RFC 8469

*	Recommendation to Use the Ethernet Control Word
*	https://datatracker.ietf.org/doc/rfc8469/ 

*	Working Group Updates 

*	Common Control and Measurement Plane (ccamp)

*	A framework for Management and Control of DWDM optical interface
parameters

*
https://datatracker.ietf.org/doc/draft-ietf-ccamp-dwdm-if-mng-ctrl-fwk/

*	YANG data model for Flexi-Grid media-channels

*
https://datatracker.ietf.org/doc/draft-ietf-ccamp-flexigrid-media-channel-ya
ng/

*	YANG data model for Flexi-Grid Optical Networks

*	https://datatracker.ietf.org/doc/draft-ietf-ccamp-flexigrid-yang/

*	Applicability of GMPLS for B100G Optical Transport Network

*
https://datatracker.ietf.org/doc/draft-ietf-ccamp-gmpls-otn-b100g-applicabil
ity/

*	A YANG Data Model for L1 Connectivity Service Model (L1CSM)

*	https://datatracker.ietf.org/doc/draft-ietf-ccamp-l1csm-yang/

*	A YANG Data Model for Optical Transport Network Topology

*	https://datatracker.ietf.org/doc/draft-ietf-ccamp-otn-topo-yang/

*	OTN Tunnel YANG Model

*	https://datatracker.ietf.org/doc/draft-ietf-ccamp-otn-tunnel-model/

*	Information Encoding for WSON with Impairments Validation

*	https://datatracker.ietf.org/doc/draft-ietf-ccamp-wson-iv-encode/

*	Information Model for Wavelength Switched Optical Networks (WSONs)
with Impairments Validation

*	https://datatracker.ietf.org/doc/draft-ietf-ccamp-wson-iv-info/

*	A Yang Data Model for WSON Tunnel

*	https://datatracker.ietf.org/doc/draft-ietf-ccamp-wson-tunnel-model/

*	A YANG Data Model for WSON (Wavelength Switched Optical Networks)

*	https://datatracker.ietf.org/doc/draft-ietf-ccamp-wson-yang/

*	Path Computation Element (pce)

*	PCEP Extension for WSON Routing and Wavelength Assignment

*	https://datatracker.ietf.org/doc/draft-ietf-pce-wson-rwa-ext/ 

*	PCEP extensions for GMPLS

*
https://datatracker.ietf.org/doc/draft-ietf-pce-gmpls-pcep-extensions/

*	PCEP Extension for Flexible Grid Networks

*	https://datatracker.ietf.org/doc/draft-ietf-pce-flexible-grid/

*	Path Computation Element (PCE) Protocol Extensions for Stateful PCE
Usage in GMPLS-controlled Networks

*
https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-stateful-pce-gmpls/

*	Path Computation Element Communication Protocol (PCEP) Extensions
for remote-initiated GMPLS LSP Setup

*
https://datatracker.ietf.org/doc/draft-ietf-pce-remote-initiated-gmpls-lsp/



The list of upcoming IETF meetings can be found on the IETF website at
https://www.ietf.org/how/meetings/upcoming/ 



Thank You,

Daniele Ceccarelli (CCAMP Chair), Fatai Zhang (CCAMP Chair), Dhruv Dhody
(PCE Chair) , Adrian Farrel (PCE Chair), Julien Meuric (PCE Chair), Vishnu
Beeram (TEAS Chair), Lou Berger (TEAS Chair), Loa Andersson (MPLS Chair),
Nicolai Leymann (MPLS Chair), and Scott Mansfield (IETF's ITU-T Liaison)
Attachments:

No document has been attached


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Subject: Re: [Teas] Status update on draft-ietf-teas-sf-aware-topo-model
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If you are having issues connecting, try...

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From: Xufeng Liu <xufeng.liu.ietf@gmail.com>
Date: Tue, 26 Mar 2019 12:00:00 -0400
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To: tom petch <ietfa@btconnect.com>
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Subject: Re: [Teas] Status update on draft-ietf-teas-sf-aware-topo-model
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--000000000000858de80585016a71
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Hi Tom,

Thanks for pointing these out.
We will fix them in the next revision.
- Xufeng

On Tue, Mar 26, 2019 at 6:05 AM tom petch <ietfa@btconnect.com> wrote:

> Xufeng
>
> Some quirks.
>
> Introduction/Abstract do not mention support or lack thereof  for NMDA
> (which the IESG have been calling for).
>
> Introduction does not have a reference for YANG leaving the question of
> version number uncertain
>
> Terminology fails to reference RFC8174
>
> Expand on first use, perhaps in Terminology, is helpful - TOSCA, SF2LTP,
> SF2SF, SF2TTP, CSO
>
> yang-version 1 is rather limiting
>
> YANG import statements lack references (which YANG 1.1 allows)
>
> /       reference "TBD";/
>        reference "RFC XXXX - SF Aware TE Topology YANG Model"; /
>
>    module ietf-cso-dc
> no version
> no copyright
> no reference to the I-D
> no description clauses
> no reference clauses
> somewhat short of ready IMHO- I think that this needs a lot of work!
>
> IANA Considerations
>    RFC Ed.: In this section, replace all occurrences of 'XXXX' with the
>    actual RFC number (and remove this note).
> I suggest that this apply throughout the I-D and that the Note is placed
> at the start, before the Introduction (the RFC Editor are happy with
> just the one note)
>
> RFC6020 is a better reference for the IANA Considerations
>
>    [I-D.ietf-netmod-revised-datastores]
> RFC8342
>
>    [I-D.ietf-netmod-yang-tree-diagrams]
> RFC8340
>
>    [I-D.ietf-i2rs-yang-network-topo]
> RFC8345
>
>      import ietf-actn-vn {
> does not appear in section 1.3
>
> Tom Petch
>
> ----- Original Message -----
> From: "Xufeng Liu" <xufeng.liu.ietf@gmail.com>
> To: "TEAS WG" <teas@ietf.org>
> Sent: Saturday, March 23, 2019 12:02 PM
> Subject: [Teas] Status update on draft-ietf-teas-sf-aware-topo-model
>
>
> > Current Status:
> >
> >   *  The updated revision -03 was posted on Mar 11, 2019:
> >
> >      > Editorial fixes.
> >
> > Open Issues:
> >
> >   *   None.
> >
> > Next Steps:
> >
> >   *  Update the document to align with the latest versions of
> >      referenced documents, including draft-ietf-teas-yang-te-topo,
> >      RFC8340, RFC8342, RFC8345, and RFC8459.
> >   *  Update the section of Security Considerations according to latest
> >      guidelines.
> >   *  Get further reviews.
> >   *  YANG doctor's review.
> >   *  Working Group Last Call after completing above.
> >
> > Thanks,
> > - Xufeng
> >
>
>
> ------------------------------------------------------------------------
> --------
>
>
> > _______________________________________________
> > Teas mailing list
> > Teas@ietf.org
> > https://www.ietf.org/mailman/listinfo/teas
> >
>
>

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<div dir=3D"ltr"><div>Hi Tom,</div><div><br></div><div>Thanks for pointing =
these out.</div><div>We will fix them in the next revision.</div><div>- Xuf=
eng<br></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D=
"gmail_attr">On Tue, Mar 26, 2019 at 6:05 AM tom petch &lt;<a href=3D"mailt=
o:ietfa@btconnect.com">ietfa@btconnect.com</a>&gt; wrote:<br></div><blockqu=
ote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px=
 solid rgb(204,204,204);padding-left:1ex">Xufeng<br>
<br>
Some quirks.<br>
<br>
Introduction/Abstract do not mention support or lack thereof=C2=A0 for NMDA=
<br>
(which the IESG have been calling for).<br>
<br>
Introduction does not have a reference for YANG leaving the question of<br>
version number uncertain<br>
<br>
Terminology fails to reference RFC8174<br>
<br>
Expand on first use, perhaps in Terminology, is helpful - TOSCA, SF2LTP,<br=
>
SF2SF, SF2TTP, CSO<br>
<br>
yang-version 1 is rather limiting<br>
<br>
YANG import statements lack references (which YANG 1.1 allows)<br>
<br>
/=C2=A0 =C2=A0 =C2=A0 =C2=A0reference &quot;TBD&quot;;/<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0reference &quot;RFC XXXX - SF Aware TE Topology =
YANG Model&quot;; /<br>
<br>
=C2=A0 =C2=A0module ietf-cso-dc<br>
no version<br>
no copyright<br>
no reference to the I-D<br>
no description clauses<br>
no reference clauses<br>
somewhat short of ready IMHO- I think that this needs a lot of work!<br>
<br>
IANA Considerations<br>
=C2=A0 =C2=A0RFC Ed.: In this section, replace all occurrences of &#39;XXXX=
&#39; with the<br>
=C2=A0 =C2=A0actual RFC number (and remove this note).<br>
I suggest that this apply throughout the I-D and that the Note is placed<br=
>
at the start, before the Introduction (the RFC Editor are happy with<br>
just the one note)<br>
<br>
RFC6020 is a better reference for the IANA Considerations<br>
<br>
=C2=A0 =C2=A0[I-D.ietf-netmod-revised-datastores]<br>
RFC8342<br>
<br>
=C2=A0 =C2=A0[I-D.ietf-netmod-yang-tree-diagrams]<br>
RFC8340<br>
<br>
=C2=A0 =C2=A0[I-D.ietf-i2rs-yang-network-topo]<br>
RFC8345<br>
<br>
=C2=A0 =C2=A0 =C2=A0import ietf-actn-vn {<br>
does not appear in section 1.3<br>
<br>
Tom Petch<br>
<br>
----- Original Message -----<br>
From: &quot;Xufeng Liu&quot; &lt;<a href=3D"mailto:xufeng.liu.ietf@gmail.co=
m" target=3D"_blank">xufeng.liu.ietf@gmail.com</a>&gt;<br>
To: &quot;TEAS WG&quot; &lt;<a href=3D"mailto:teas@ietf.org" target=3D"_bla=
nk">teas@ietf.org</a>&gt;<br>
Sent: Saturday, March 23, 2019 12:02 PM<br>
Subject: [Teas] Status update on draft-ietf-teas-sf-aware-topo-model<br>
<br>
<br>
&gt; Current Status:<br>
&gt;<br>
&gt;=C2=A0 =C2=A0*=C2=A0 The updated revision -03 was posted on Mar 11, 201=
9:<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0 &gt; Editorial fixes.<br>
&gt;<br>
&gt; Open Issues:<br>
&gt;<br>
&gt;=C2=A0 =C2=A0*=C2=A0 =C2=A0None.<br>
&gt;<br>
&gt; Next Steps:<br>
&gt;<br>
&gt;=C2=A0 =C2=A0*=C2=A0 Update the document to align with the latest versi=
ons of<br>
&gt;=C2=A0 =C2=A0 =C2=A0 referenced documents, including draft-ietf-teas-ya=
ng-te-topo,<br>
&gt;=C2=A0 =C2=A0 =C2=A0 RFC8340, RFC8342, RFC8345, and RFC8459.<br>
&gt;=C2=A0 =C2=A0*=C2=A0 Update the section of Security Considerations acco=
rding to latest<br>
&gt;=C2=A0 =C2=A0 =C2=A0 guidelines.<br>
&gt;=C2=A0 =C2=A0*=C2=A0 Get further reviews.<br>
&gt;=C2=A0 =C2=A0*=C2=A0 YANG doctor&#39;s review.<br>
&gt;=C2=A0 =C2=A0*=C2=A0 Working Group Last Call after completing above.<br=
>
&gt;<br>
&gt; Thanks,<br>
&gt; - Xufeng<br>
&gt;<br>
<br>
<br>
------------------------------------------------------------------------<br=
>
--------<br>
<br>
<br>
&gt; _______________________________________________<br>
&gt; Teas mailing list<br>
&gt; <a href=3D"mailto:Teas@ietf.org" target=3D"_blank">Teas@ietf.org</a><b=
r>
&gt; <a href=3D"https://www.ietf.org/mailman/listinfo/teas" rel=3D"noreferr=
er" target=3D"_blank">https://www.ietf.org/mailman/listinfo/teas</a><br>
&gt;<br>
<br>
</blockquote></div>

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