
From nobody Mon Jun  1 11:59:59 2015
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Subject: [Pce] I-D Action: draft-ietf-pce-wson-rwa-ext-02.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Path Computation Element Working Group of the IETF.

        Title           : PCEP Extension for WSON Routing and Wavelength Assignment
        Authors         : Young Lee
                          Ramon Casellas
	Filename        : draft-ietf-pce-wson-rwa-ext-02.txt
	Pages           : 26
	Date            : 2015-06-01

Abstract:
   This document provides the Path Computation Element communication
   Protocol (PCEP) extensions for the support of Routing and Wavelength
   Assignment (RWA) in Wavelength Switched Optical Networks (WSON).
   Lightpath provisioning in WSONs requires a routing and wavelength
   assignment (RWA) process.  From a path computation perspective,
   wavelength assignment is the process of determining which wavelength
   can be used on each hop of a path and forms an additional routing
   constraint to optical light path computation.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-pce-wson-rwa-ext/

There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-pce-wson-rwa-ext-02

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-wson-rwa-ext-02


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 Jun  1 12:24:08 2015
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From: Leeyoung <leeyoung@huawei.com>
To: "pce@ietf.org" <pce@ietf.org>
Thread-Topic: [Pce] I-D Action: draft-ietf-pce-wson-rwa-ext-02.txt
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Subject: Re: [Pce] I-D Action: draft-ietf-pce-wson-rwa-ext-02.txt
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Hi,

The major updates made with this revision are summarized as follows:=20

- Included the encoding mechanism using LSP attribute TLVs/ERO (as defined =
in draft-margaria-ccamp-lsp-attribute-ero) for encoding of wavelength assig=
nments in a PCRep message. (This was a pending issue, waiting for the menti=
oned draft to mature, which is now in RFC Editor's Queue).=20

- Client Signal Information encoding to refer to draft-ietf-ccamp-rwa-wson-=
encode (from draft-ietf-inter-layer-ext) to eliminate the dependency on the=
 work that is outdated.=20

- Add IANA section with details.=20

If you have any comments/concerns, please express them to the list.=20

Thanks.
Young (on behalf of other co-authors)

-----Original Message-----
From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of internet-drafts@ietf.o=
rg
Sent: Monday, June 01, 2015 2:00 PM
To: i-d-announce@ietf.org
Cc: pce@ietf.org
Subject: [Pce] I-D Action: draft-ietf-pce-wson-rwa-ext-02.txt


A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.
 This draft is a work item of the Path Computation Element Working Group of=
 the IETF.

        Title           : PCEP Extension for WSON Routing and Wavelength As=
signment
        Authors         : Young Lee
                          Ramon Casellas
	Filename        : draft-ietf-pce-wson-rwa-ext-02.txt
	Pages           : 26
	Date            : 2015-06-01

Abstract:
   This document provides the Path Computation Element communication
   Protocol (PCEP) extensions for the support of Routing and Wavelength
   Assignment (RWA) in Wavelength Switched Optical Networks (WSON).
   Lightpath provisioning in WSONs requires a routing and wavelength
   assignment (RWA) process.  From a path computation perspective,
   wavelength assignment is the process of determining which wavelength
   can be used on each hop of a path and forms an additional routing
   constraint to optical light path computation.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-pce-wson-rwa-ext/

There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-pce-wson-rwa-ext-02

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-pce-wson-rwa-ext-02


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/

_______________________________________________
Pce mailing list
Pce@ietf.org
https://www.ietf.org/mailman/listinfo/pce


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From: "Shah, Jaishal (Jaishal)" <jaishal.shah@alcatel-lucent.com>
To: "pce@ietf.org" <pce@ietf.org>
Thread-Topic: Clarification regarding path <attribute-list> in PCReport and PCUpdate
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Date: Tue, 2 Jun 2015 07:29:02 +0000
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Subject: [Pce] Clarification regarding path <attribute-list> in PCReport and PCUpdate
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--_000_EB3B6B95EF049545B844F55DE2F1B6E2CF535B2AUS70UWXCHMBA04z_
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Hi All,

As per draft-ietf-stateful-pce-11
A PCC sending PCRpt to PCE should have following format
   <state-report> ::=3D [<SRP>]
                      <LSP>
                      <path>
Where:
   <path>::=3D <ERO><attribute-list>[<RRO>]

<attribute-list> is as per RFC 5440. <attribute-list>::=3D[<LSPA>] [<BANDWI=
DTH>] [<metric-list>] [<IRO>]

Now, as per RFC 5440, <attribute-list> is part of PCReply and for a PCReply=
 with ERO can have just BW, Metric-list.
LSPA and IRO are to be included in PCReply as per 5440 in case of unsuccess=
ful

So, does the understanding that PCReport attribute list can have only these=
 objects hold true ? Also I believe these objects
would follow the rules for PCReply. Eg P-bit, Bound-bit, Compute-bit etc ho=
ld no significance in these objects in PCReport
Same will be the case for PCUpdate I believe.

It would be great some clarification is shared on this.

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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">Hi All,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">As per draft-ietf-stateful-pce-11<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">A PCC sending PCRpt to PCE should have following format<o:=
p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp; &lt;state-report&gt; ::=3D [&lt;SRP&gt;]<o:p>=
</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;LS=
P&gt;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;pa=
th&gt;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">Where:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp; &lt;path&gt;::=3D &lt;ERO&gt;&lt;attribute-li=
st&gt;[&lt;RRO&gt;]<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&lt;attribute-list&gt; is as per RFC 5440.
</span><span style=3D"font-size:10.0pt;font-family:&quot;Courier New&quot;"=
>&lt;attribute-list&gt;::=3D[&lt;LSPA&gt;] [&lt;BANDWIDTH&gt;] [&lt;metric-=
list&gt;] [&lt;IRO&gt;]</span><span style=3D"font-size:10.0pt;font-family:&=
quot;Courier New&quot;"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">Now, as per RFC 5440, &lt;attribute-list&gt; is part of PC=
Reply and for a PCReply with ERO can have just BW, Metric-list.<o:p></o:p><=
/span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">LSPA and IRO are to be included in PCReply as per 5440 in =
case of unsuccessful
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">So, does the understanding that PCReport attribute list ca=
n have only these objects hold true ? Also I believe these objects<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">would follow the rules for PCReply. Eg P-bit, Bound-bit, C=
ompute-bit etc hold no significance in these objects in PCReport<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">Same will be the case for PCUpdate I believe.<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Courier New&quot;">=
It would be great some clarification is shared on this.</span><span style=
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Archived-At: <http://mailarchive.ietf.org/arch/msg/pce/B1DRvgn_eLXlQC3_vSV6ASuHapo>
Subject: Re: [Pce] Clarification regarding path <attribute-list> in PCReport and PCUpdate
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Hi Jaishal

For what is worth, there was some discussion about this in the past, and 
some thoughts are reflected in

https://tools.ietf.org/html/draft-many-pce-pcep-bcp-01#section-4.1.5

In short, IMHO, "attribute-list" goes beyond RFC5440, should take into 
account other RFC extensions and it would be great if attributes could 
be unified across requests and replies (both in stateless and stateful 
aspects) either being used as constraints or as path attributes

In particular, in that draft the idea is to unify "attributes" and add 
RRO as another attribute.

the RBNF would be:

   <path>      ::= <ERO> [<attributes>]



in PCReq

    <request>          ::= <expansion> |
                           <p2p_computation> |
                           <p2mp_computation>

    <expansion>        ::= <RP><PATH-KEY>

    <p2p_computation>  ::= <RP><ENDPOINTS>
                          [<LSP>]
                          [<attributes>]


in PCRep

    <response>  ::= <RP> [<monitoring>] [<LSP>]
                   (<success> | <failure>) [<monitoring-metrics>]


    -- Note: should clarify P2MP attributes. P2MP response
    -- also includes endpoint-path-pair-list. TBD

    <success>   ::= <path-list>

    <failure>   ::= <NO-PATH> [<attributes>]


PCRpt

  <solicited-report>   ::= <SRP> <LSP> <path>

    <unsolicited-report> ::= <LSP> <path>


PCUpd

    <update-request> ::= <SRP>
                         <LSP>
                         <path>



You may want to check the draft for details,
Just 2 cents, hope it helps a bit. Still, it is not 100% clear how all 
extensions can be integrated and unified in a comprehensive and in a 
non-ambiguous way.
Ramon



El 02/06/2015 a las 9:29, Shah, Jaishal (Jaishal) escribió:
>
> Hi All,
>
> As per draft-ietf-stateful-pce-11
>
> A PCC sending PCRpt to PCE should have following format
>
> <state-report> ::= [<SRP>]
>
> <LSP>
>
> <path>
>
> Where:
>
> <path>::= <ERO><attribute-list>[<RRO>]
>
> <attribute-list> is as per RFC 5440. <attribute-list>::=[<LSPA>] 
> [<BANDWIDTH>] [<metric-list>] [<IRO>]
>
> Now, as per RFC 5440, <attribute-list> is part of PCReply and for a 
> PCReply with ERO can have just BW, Metric-list.
>
> LSPA and IRO are to be included in PCReply as per 5440 in case of 
> unsuccessful
>
> So, does the understanding that PCReport attribute list can have only 
> these objects hold true ? Also I believe these objects
>
> would follow the rules for PCReply. Eg P-bit, Bound-bit, Compute-bit 
> etc hold no significance in these objects in PCReport
>
> Same will be the case for PCUpdate I believe.
>
> It would be great some clarification is shared on this.
>
>
>
> _______________________________________________
> Pce mailing list
> Pce@ietf.org
> https://www.ietf.org/mailman/listinfo/pce


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    <div class="moz-cite-prefix">Hi Jaishal<br>
      <br>
      For what is worth, there was some discussion about this in the
      past, and some thoughts are reflected in<br>
      <br>
<a class="moz-txt-link-freetext" href="https://tools.ietf.org/html/draft-many-pce-pcep-bcp-01#section-4.1.5">https://tools.ietf.org/html/draft-many-pce-pcep-bcp-01#section-4.1.5</a><br>
      <br>
      In short, IMHO, "attribute-list" goes beyond RFC5440, should take
      into account other RFC extensions and it would be great if
      attributes could be unified across requests and replies (both in
      stateless and stateful aspects) either being used as constraints
      or as path attributes<br>
      <br>
      In particular, in that draft the idea is to unify "attributes" and
      add RRO as another attribute.<br>
      <br>
      the RBNF would be: <br>
      <pre class="newpage" style="font-size: 13.3333330154419px; margin-top: 0px; margin-bottom: 0px; page-break-before: always; color: rgb(0, 0, 0); font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px;">  &lt;path&gt;      ::= &lt;ERO&gt; [&lt;attributes&gt;]</pre>
      <br>
      <br>
      in PCReq<br>
      <pre class="newpage" style="font-size: 13.3333330154419px; margin-top: 0px; margin-bottom: 0px; page-break-before: always; color: rgb(0, 0, 0); font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px;">   &lt;request&gt;          ::= &lt;expansion&gt; |
                          &lt;p2p_computation&gt; |
                          &lt;p2mp_computation&gt;

   &lt;expansion&gt;        ::= &lt;RP&gt;&lt;PATH-KEY&gt;

   &lt;p2p_computation&gt;  ::= &lt;RP&gt;&lt;ENDPOINTS&gt;
                         [&lt;LSP&gt;]
                         [&lt;attributes&gt;]</pre>
      <br>
      in PCRep<br>
      <br>
      <pre class="newpage" style="font-size: 13.3333330154419px; margin-top: 0px; margin-bottom: 0px; page-break-before: always; color: rgb(0, 0, 0); font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px;">   &lt;response&gt;  ::= &lt;RP&gt; [&lt;monitoring&gt;] [&lt;LSP&gt;]
                  (&lt;success&gt; | &lt;failure&gt;) [&lt;monitoring-metrics&gt;]


   -- Note: should clarify P2MP attributes. P2MP response
   -- also includes endpoint-path-pair-list. TBD

   &lt;success&gt;   ::= &lt;path-list&gt;

   &lt;failure&gt;   ::= &lt;NO-PATH&gt; [&lt;attributes&gt;]</pre>
      <br>
      PCRpt<br>
      <pre class="newpage" style="font-size: 13.3333330154419px; margin-top: 0px; margin-bottom: 0px; page-break-before: always; color: rgb(0, 0, 0); font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px;"> &lt;solicited-report&gt;   ::= &lt;SRP&gt; &lt;LSP&gt; &lt;path&gt;

   &lt;unsolicited-report&gt; ::= &lt;LSP&gt; &lt;path&gt;</pre>
      <br>
      PCUpd<br>
      <pre class="newpage" style="font-size: 13.3333330154419px; margin-top: 0px; margin-bottom: 0px; page-break-before: always; color: rgb(0, 0, 0); font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px;">   &lt;update-request&gt; ::= &lt;SRP&gt;
                        &lt;LSP&gt;
                        &lt;path&gt;</pre>
      <br>
      <br>
      You may want to check the draft for details, <br>
      Just 2 cents, hope it helps a bit. Still, it is not 100% clear how
      all extensions can be integrated and unified in a comprehensive
      and in a non-ambiguous way.<br>
      Ramon<br>
      <br>
      <br>
      <br>
      El 02/06/2015 a las 9:29, Shah, Jaishal (Jaishal) escribió:<br>
    </div>
    <blockquote
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      <div class="WordSection1">
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:&quot;Courier New&quot;">Hi
            All,<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:&quot;Courier New&quot;"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:&quot;Courier New&quot;">As
            per draft-ietf-stateful-pce-11<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:&quot;Courier New&quot;">A
            PCC sending PCRpt to PCE should have following format<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:&quot;Courier New&quot;">  
            &lt;state-report&gt; ::= [&lt;SRP&gt;]<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:&quot;Courier New&quot;">                     
            &lt;LSP&gt;<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:&quot;Courier New&quot;">                     
            &lt;path&gt;<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:&quot;Courier New&quot;">Where:<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:&quot;Courier New&quot;">  
            &lt;path&gt;::=
            &lt;ERO&gt;&lt;attribute-list&gt;[&lt;RRO&gt;]<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:&quot;Courier New&quot;"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:&quot;Courier New&quot;">&lt;attribute-list&gt;
            is as per RFC 5440.
          </span><span style="font-size:10.0pt;font-family:&quot;Courier
            New&quot;">&lt;attribute-list&gt;::=[&lt;LSPA&gt;]
            [&lt;BANDWIDTH&gt;] [&lt;metric-list&gt;] [&lt;IRO&gt;]</span><span
            style="font-size:10.0pt;font-family:&quot;Courier New&quot;"><o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:&quot;Courier New&quot;"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:&quot;Courier New&quot;">Now,
            as per RFC 5440, &lt;attribute-list&gt; is part of PCReply
            and for a PCReply with ERO can have just BW, Metric-list.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:&quot;Courier New&quot;">LSPA
            and IRO are to be included in PCReply as per 5440 in case of
            unsuccessful
            <o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:&quot;Courier New&quot;"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:&quot;Courier New&quot;">So,
            does the understanding that PCReport attribute list can have
            only these objects hold true ? Also I believe these objects<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:&quot;Courier New&quot;">would
            follow the rules for PCReply. Eg P-bit, Bound-bit,
            Compute-bit etc hold no significance in these objects in
            PCReport<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:&quot;Courier New&quot;">Same
            will be the case for PCUpdate I believe.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:&quot;Courier New&quot;"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="font-family:&quot;Courier
            New&quot;">It would be great some clarification is shared on
            this.</span><span
            style="font-size:10.0pt;font-family:&quot;Courier New&quot;"><o:p></o:p></span></p>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
Pce mailing list
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Thread-Topic: Clarification regarding path <attribute-list> in PCReport and PCUpdate
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Thanks Ramon for your reply.

So if I understand it correctly, attributes is a broadly used term. In PCRe=
q it is the set of constraints to be satisfied in order to bring up the lsp=
 path
and in PCReport it is the attributes of the path itself.

Then in case of specific active stateful PCC-PCE interaction, for lsps whic=
h are synced to PCE at connection setup,
PCE will only have the PCReport sent from the PCC. Later on it may delegate=
 the lsp and allow it to be updated by PCE.
How is PCE suppose to know the original set of constraints needed for the l=
sp while updating the lsp?
PCReport only has the current state of the lsp path (bw, metric etc),
whereas setup of the lsp path could have different constraints used to brin=
g up that path.

I don't believe  draft-ietf-stateful-pce clarifies that. Hope I can get som=
e clarification on this.

Regards,
Jaishal

From: Shah, Jaishal (Jaishal)
Sent: Tuesday, June 02, 2015 12:29 AM
To: 'pce@ietf.org'
Subject: Clarification regarding path <attribute-list> in PCReport and PCUp=
date

Hi All,

As per draft-ietf-stateful-pce-11
A PCC sending PCRpt to PCE should have following format
   <state-report> ::=3D [<SRP>]
                      <LSP>
                      <path>
Where:
   <path>::=3D <ERO><attribute-list>[<RRO>]

<attribute-list> is as per RFC 5440. <attribute-list>::=3D[<LSPA>] [<BANDWI=
DTH>] [<metric-list>] [<IRO>]

Now, as per RFC 5440, <attribute-list> is part of PCReply and for a PCReply=
 with ERO can have just BW, Metric-list.
LSPA and IRO are to be included in PCReply as per 5440 in case of unsuccess=
ful

So, does the understanding that PCReport attribute list can have only these=
 objects hold true ? Also I believe these objects
would follow the rules for PCReply. Eg P-bit, Bound-bit, Compute-bit etc ho=
ld no significance in these objects in PCReport
Same will be the case for PCUpdate I believe.

It would be great some clarification is shared on this.

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<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">Thanks Ramon for your reply.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">So if I understand it correctly, attributes is a broadly u=
sed term. In PCReq it is the set of constraints to be satisfied in order to=
 bring up the lsp path<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">and in PCReport it is the attributes of the path itself.<o=
:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">Then in case of specific active stateful PCC-PCE interacti=
on, for lsps which are synced to PCE at connection setup,<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">PCE will only have the PCReport sent from the PCC. Later o=
n it may delegate the lsp and allow it to be updated by PCE.<o:p></o:p></sp=
an></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">How is PCE suppose to know the original set of constraints=
 needed for the lsp while updating the lsp?<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">PCReport only has the current state of the lsp path (bw, m=
etric etc),<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">whereas setup of the lsp path could have different constra=
ints used to bring up that path.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">I don&#8217;t believe &nbsp;draft-ietf-stateful-pce clarif=
ies that. Hope I can get some clarification on this.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">Regards,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">Jaishal<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> Shah, Ja=
ishal (Jaishal)
<br>
<b>Sent:</b> Tuesday, June 02, 2015 12:29 AM<br>
<b>To:</b> 'pce@ietf.org'<br>
<b>Subject:</b> Clarification regarding path &lt;attribute-list&gt; in PCRe=
port and PCUpdate<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">Hi All,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">As per draft-ietf-stateful-pce-11<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">A PCC sending PCRpt to PCE should have following format<o:=
p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp; &lt;state-report&gt; ::=3D [&lt;SRP&gt;]<o:p>=
</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;LS=
P&gt;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;pa=
th&gt;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">Where:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp; &lt;path&gt;::=3D &lt;ERO&gt;&lt;attribute-li=
st&gt;[&lt;RRO&gt;]<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&lt;attribute-list&gt; is as per RFC 5440. &lt;attribute-l=
ist&gt;::=3D[&lt;LSPA&gt;] [&lt;BANDWIDTH&gt;] [&lt;metric-list&gt;] [&lt;I=
RO&gt;]<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">Now, as per RFC 5440, &lt;attribute-list&gt; is part of PC=
Reply and for a PCReply with ERO can have just BW, Metric-list.<o:p></o:p><=
/span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">LSPA and IRO are to be included in PCReply as per 5440 in =
case of unsuccessful
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">So, does the understanding that PCReport attribute list ca=
n have only these objects hold true ? Also I believe these objects<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">would follow the rules for PCReply. Eg P-bit, Bound-bit, C=
ompute-bit etc hold no significance in these objects in PCReport<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">Same will be the case for PCUpdate I believe.<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Courier New&quot;">=
It would be great some clarification is shared on this.</span><span style=
=3D"font-size:10.0pt;font-family:&quot;Courier New&quot;"><o:p></o:p></span=
></p>
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From: Venugopal Reddy K <venugopalreddyk@huawei.com>
To: pce <pce@ietf.org>, "inaminei@google.com" <inaminei@google.com>
Thread-Topic: Few comments/queries on draft-ietf-pce-pce-initiated-lsp-04
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Subject: [Pce] Few comments/queries on draft-ietf-pce-pce-initiated-lsp-04
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Hi, Everyone!

Have few comments/queries on draft-ietf-pce-pce-initiated-lsp-04. Could you=
 please clarify on below points:


  Section 6

  In case of PCEP session failure, control over PCE-initiated LSPs
   reverts to the PCC at the expiration of the redelegation timeout.  At
   this point, the LSP is an "orphan" until the expiration of the State
   Timeout timer.  To obtain control of a PCE-initiated LSP, a PCE
   (either the original or one of its backups) sends a PCInitiate
   message, including just the SRP and LSP objects, and carrying the
   PLSP-ID of the LSP it wants to take control of

1.       In case of Backup PCE, what is the trigger point to send PCInitiat=
e message to take control of orphan PCE-initiated LSP? I am wondering how d=
oes a backup PCE come to know that some LSPs are orphaned?



2.       Another option would be, if PCC takes charge and delegate the orph=
aned PCE initiated LSPs to backup PCE based on the local policy?


Response will be appreciated.

Thanks a lot.

Regards,
Venu


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<o:shapedefaults v:ext=3D"edit" spidmax=3D"1026" />
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</head>
<body lang=3D"EN-US" link=3D"blue" vlink=3D"purple">
<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Hi, Everyone!<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Have few comments/quer=
ies on draft-ietf-pce-pce-initiated-lsp-04. Could you please clarify on bel=
ow points:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<pre style=3D"margin-bottom:7.9pt;background:#FFFDF5;word-break:break-all">=
<span style=3D"font-size:10.5pt;color:black">&nbsp; Section 6<o:p></o:p></s=
pan></pre>
<pre style=3D"margin-bottom:7.9pt;background:#FFFDF5;word-break:break-all">=
<span style=3D"font-size:10.5pt;color:black">&nbsp;&nbsp;In case of PCEP se=
ssion failure, control over PCE-initiated LSPs<o:p></o:p></span></pre>
<p class=3D"MsoNormal" style=3D"margin-bottom:7.9pt;background:#FFFDF5;word=
-break:break-all">
<span style=3D"font-size:10.5pt;font-family:&quot;Courier New&quot;;color:b=
lack">&nbsp;&nbsp; reverts to the PCC at the expiration of the redelegation=
 timeout.&nbsp; At<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-bottom:7.9pt;background:#FFFDF5;word=
-break:break-all">
<span style=3D"font-size:10.5pt;font-family:&quot;Courier New&quot;;color:b=
lack">&nbsp;&nbsp; this point, the LSP is an &quot;orphan&quot; until the e=
xpiration of the State<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-bottom:7.9pt;background:#FFFDF5;word=
-break:break-all">
<span style=3D"font-size:10.5pt;font-family:&quot;Courier New&quot;;color:b=
lack">&nbsp;&nbsp; Timeout timer.&nbsp; To obtain control of a PCE-initiate=
d LSP, a PCE<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-bottom:7.9pt;background:#FFFDF5;word=
-break:break-all">
<span style=3D"font-size:10.5pt;font-family:&quot;Courier New&quot;;color:b=
lack">&nbsp;&nbsp; (either the original or one of
<span style=3D"background:yellow;mso-highlight:yellow">its backups</span>) =
sends a PCInitiate<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-bottom:7.9pt;background:#FFFDF5;word=
-break:break-all">
<span style=3D"font-size:10.5pt;font-family:&quot;Courier New&quot;;color:b=
lack">&nbsp;&nbsp; message, including just the SRP and LSP objects, and car=
rying the<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-bottom:7.9pt;background:#FFFDF5;word=
-break:break-all">
<span style=3D"font-size:10.5pt;font-family:&quot;Courier New&quot;;color:b=
lack">&nbsp;&nbsp; PLSP-ID of the LSP it wants to take control of<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"color:#1F497D"><span style=3D"=
mso-list:Ignore">1.<span style=3D"font:7.0pt &quot;Times New Roman&quot;">&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"color:#1F497D">In case of Bac=
kup PCE, what is the trigger point to send PCInitiate message to take contr=
ol of orphan PCE-initiated LSP? I am wondering how does a backup PCE come t=
o know that some LSPs are orphaned?
<o:p></o:p></span></p>
<p class=3D"MsoListParagraph"><span style=3D"color:#1F497D"><o:p>&nbsp;</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"color:#1F497D"><span style=3D"=
mso-list:Ignore">2.<span style=3D"font:7.0pt &quot;Times New Roman&quot;">&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"color:#1F497D">Another option=
 would be, if PCC takes charge and delegate the orphaned PCE initiated LSPs=
 to backup PCE based on the local policy?
<o:p></o:p></span></p>
<p class=3D"MsoListParagraph"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Response will be appre=
ciated. <o:p>
</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Thanks a lot.<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Regards,<o:p></o:p></s=
pan></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Venu<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
</body>
</html>

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Date: Wed, 10 Jun 2015 11:03:57 -0400
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From: Cyril Margaria <cyril.margaria@gmail.com>
To: Venugopal Reddy K <venugopalreddyk@huawei.com>
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Cc: pce <pce@ietf.org>
Subject: Re: [Pce] Few comments/queries on draft-ietf-pce-pce-initiated-lsp-04
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--001a114712c630f63705182b2fa3
Content-Type: text/plain; charset=UTF-8

Hi,

On 10 June 2015 at 03:32, Venugopal Reddy K <venugopalreddyk@huawei.com>
wrote:

>  Hi, Everyone!
>
>
>
> Have few comments/queries on draft-ietf-pce-pce-initiated-lsp-04. Could
> you please clarify on below points:
>
>
>
>   Section 6
>
>   In case of PCEP session failure, control over PCE-initiated LSPs
>
>     reverts to the PCC at the expiration of the redelegation timeout.  At
>
>    this point, the LSP is an "orphan" until the expiration of the State
>
>    Timeout timer.  To obtain control of a PCE-initiated LSP, a PCE
>
>    (either the original or one of its backups) sends a PCInitiate
>
>    message, including just the SRP and LSP objects, and carrying the
>
>    PLSP-ID of the LSP it wants to take control of
>
> 1.       In case of Backup PCE, what is the trigger point to send
> PCInitiate message to take control of orphan PCE-initiated LSP? I am
> wondering how does a backup PCE come to know that some LSPs are orphaned?
>
I see two scenarios :
  1) Another PCEP Session is up , in that case it seems to imply that the
PCE(s) keep track of the LSPs it can manage and the liveliness of the other
PCEs.
   2) There is no other PCEP session, the PCC reconnects to another PCE, in
this case the PCE can try to take ownership of the Initiated, not delegated
LSPs

 While I believe 1) is an interesting architecture, I do not think the
protocol procedures should put such constraint to the PCE implementation,
so the second option you propose should be allowed.


>
>
> 2.       Another option would be, if PCC takes charge and delegate the
> orphaned PCE initiated LSPs to backup PCE based on the local policy?
>
>
>
I think this should be allowed, the text could be :

In case of PCEP session failure, control over PCE-initiated LSPs
reverts to the PCC at the expiration of the redelegation timeout.  At
this point, the PCC MAY delegate the LSP to another PCE. the LSP is an
"orphan" until the expiration of the State
Timeout timer.


Some coordination between PCEs is still needed, for the original PCE to
regain control over that LSP the current PCE must forfeit control over that
LSP.

In addition there is no Error to indicate to the PCE that he can't have the
delegation back, this should be added , for instance 24,4

LSP instantiation error, Requested delegation rejected, another PCE
has the delegation. (ideally allow the optional inclusion of the other
PCE SPEAKER-IDENTITY-ID for troubleshooting. it should be subject to
security policies)



>  Response will be appreciated.
>
>
>
> Thanks a lot.
>
>
>
> Regards,
>
> Venu
>
>
>
> Regards,
 Cyril


> _______________________________________________
> Pce mailing list
> Pce@ietf.org
> https://www.ietf.org/mailman/listinfo/pce
>
>

--001a114712c630f63705182b2fa3
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Hi, <br><div class=3D"gmail_extra"><br><div class=3D"gmail=
_quote">On 10 June 2015 at 03:32, Venugopal Reddy K <span dir=3D"ltr">&lt;<=
a href=3D"mailto:venugopalreddyk@huawei.com" target=3D"_blank">venugopalred=
dyk@huawei.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" s=
tyle=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);pad=
ding-left:1ex">





<div link=3D"blue" vlink=3D"purple" lang=3D"EN-US">
<div>
<p class=3D"MsoNormal"><span style=3D"color:rgb(31,73,125)">Hi, Everyone!<u=
></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"color:rgb(31,73,125)"><u></u>=C2=A0<u=
></u></span></p>
<p class=3D"MsoNormal"><span style=3D"color:rgb(31,73,125)">Have few commen=
ts/queries on draft-ietf-pce-pce-initiated-lsp-04. Could you please clarify=
 on below points:<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"color:rgb(31,73,125)"><u></u>=C2=A0<u=
></u></span></p>
<pre style=3D"margin-bottom:7.9pt;background:rgb(255,253,245) none repeat s=
croll 0% 0%;word-break:break-all"><span style=3D"font-size:10.5pt;color:bla=
ck">=C2=A0 Section 6<u></u><u></u></span></pre>
<pre style=3D"margin-bottom:7.9pt;background:rgb(255,253,245) none repeat s=
croll 0% 0%;word-break:break-all"><span style=3D"font-size:10.5pt;color:bla=
ck">=C2=A0=C2=A0In case of PCEP session failure, control over PCE-initiated=
 LSPs<u></u><u></u></span></pre>
<p class=3D"MsoNormal" style=3D"margin-bottom:7.9pt;background:rgb(255,253,=
245) none repeat scroll 0% 0%;word-break:break-all">
<span style=3D"font-size:10.5pt;font-family:&quot;Courier New&quot;;color:b=
lack">=C2=A0=C2=A0 reverts to the PCC at the expiration of the redelegation=
 timeout.=C2=A0 At<u></u><u></u></span></p>
<p class=3D"MsoNormal" style=3D"margin-bottom:7.9pt;background:rgb(255,253,=
245) none repeat scroll 0% 0%;word-break:break-all">
<span style=3D"font-size:10.5pt;font-family:&quot;Courier New&quot;;color:b=
lack">=C2=A0=C2=A0 this point, the LSP is an &quot;orphan&quot; until the e=
xpiration of the State<u></u><u></u></span></p>
<p class=3D"MsoNormal" style=3D"margin-bottom:7.9pt;background:rgb(255,253,=
245) none repeat scroll 0% 0%;word-break:break-all">
<span style=3D"font-size:10.5pt;font-family:&quot;Courier New&quot;;color:b=
lack">=C2=A0=C2=A0 Timeout timer.=C2=A0 To obtain control of a PCE-initiate=
d LSP, a PCE<u></u><u></u></span></p>
<p class=3D"MsoNormal" style=3D"margin-bottom:7.9pt;background:rgb(255,253,=
245) none repeat scroll 0% 0%;word-break:break-all">
<span style=3D"font-size:10.5pt;font-family:&quot;Courier New&quot;;color:b=
lack">=C2=A0=C2=A0 (either the original or one of
<span style=3D"background:yellow none repeat scroll 0% 0%">its backups</spa=
n>) sends a PCInitiate<u></u><u></u></span></p>
<p class=3D"MsoNormal" style=3D"margin-bottom:7.9pt;background:rgb(255,253,=
245) none repeat scroll 0% 0%;word-break:break-all">
<span style=3D"font-size:10.5pt;font-family:&quot;Courier New&quot;;color:b=
lack">=C2=A0=C2=A0 message, including just the SRP and LSP objects, and car=
rying the<u></u><u></u></span></p>
<p class=3D"MsoNormal" style=3D"margin-bottom:7.9pt;background:rgb(255,253,=
245) none repeat scroll 0% 0%;word-break:break-all">
<span style=3D"font-size:10.5pt;font-family:&quot;Courier New&quot;;color:b=
lack">=C2=A0=C2=A0 PLSP-ID of the LSP it wants to take control of<u></u><u>=
</u></span></p>
<p><u></u><span style=3D"color:rgb(31,73,125)"><span>1.<span style=3D"font:=
7pt &quot;Times New Roman&quot;">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0
</span></span></span><u></u><span style=3D"color:rgb(31,73,125)">In case of=
 Backup PCE, what is the trigger point to send PCInitiate message to take c=
ontrol of orphan PCE-initiated LSP? I am wondering how does a backup PCE co=
me to know that some LSPs are orphaned?
<u></u><u></u></span></p><span style=3D"color:rgb(31,73,125)"></span></div>=
</div></blockquote><div>I see two scenarios :<br></div><div>=C2=A0 1) Anoth=
er PCEP Session is up , in that case it seems to imply that the PCE(s) keep=
 track of the LSPs it can manage and the liveliness of the other PCEs.<br>=
=C2=A0=C2=A0 2) There is no other PCEP session, the PCC reconnects to anoth=
er PCE, in this case the PCE can try to take ownership of the Initiated, no=
t delegated LSPs <br><br>=C2=A0While I believe 1) is an interesting archite=
cture, I do not think the protocol procedures should put such constraint to=
 the PCE implementation, so the second option you propose should be allowed=
.<br></div><div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"marg=
in:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1e=
x"><div link=3D"blue" vlink=3D"purple" lang=3D"EN-US"><div><span style=3D"c=
olor:rgb(31,73,125)">=C2=A0</span>
<p><u></u><span style=3D"color:rgb(31,73,125)"><span>2.<span style=3D"font:=
7pt &quot;Times New Roman&quot;">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0
</span></span></span><u></u><span style=3D"color:rgb(31,73,125)">Another op=
tion would be, if PCC takes charge and delegate the orphaned PCE initiated =
LSPs to backup PCE based on the local policy?
<u></u><u></u></span></p>
<p><span style=3D"color:rgb(31,73,125)"><u></u>=C2=A0</span></p></div></div=
></blockquote><div>I think this should be allowed, the text could be : <br>=
</div><div><pre class=3D"">In case of PCEP session failure, control over PC=
E-initiated LSPs
reverts to the PCC at the expiration of the redelegation timeout.  At
this point, the PCC MAY delegate the LSP to another PCE. the LSP is an &quo=
t;orphan&quot; until the expiration of the State
Timeout timer. </pre><br></div><div>Some coordination between PCEs is still=
 needed, for the original PCE to regain control over that LSP the current P=
CE must forfeit control over that LSP. <br><br></div><div>In addition there=
 is no Error to indicate to the PCE that he can&#39;t have the delegation b=
ack, this should be added , for instance 24,4 <br><pre class=3D"">LSP insta=
ntiation error, Requested delegation rejected, another PCE has the delegati=
on. (ideally allow the optional inclusion of the other PCE SPEAKER-IDENTITY=
-ID for troubleshooting. it should be subject to security policies) </pre> =
</div><div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0p=
x 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><d=
iv link=3D"blue" vlink=3D"purple" lang=3D"EN-US"><div><p><span style=3D"col=
or:rgb(31,73,125)"><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"color:rgb(31,73,125)">Response will b=
e appreciated. <u></u>
<u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"color:rgb(31,73,125)"><u></u>=C2=A0<u=
></u></span></p>
<p class=3D"MsoNormal"><span style=3D"color:rgb(31,73,125)">Thanks a lot.<u=
></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"color:rgb(31,73,125)"><u></u>=C2=A0<u=
></u></span></p>
<p class=3D"MsoNormal"><span style=3D"color:rgb(31,73,125)">Regards,<u></u>=
<u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"color:rgb(31,73,125)">Venu<u></u><u><=
/u></span></p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
</div>
</div>

<br></blockquote><div>Regards,<br>=C2=A0Cyril<br></div><div>=C2=A0</div><bl=
ockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-lef=
t:1px solid rgb(204,204,204);padding-left:1ex">____________________________=
___________________<br>
Pce mailing list<br>
<a href=3D"mailto:Pce@ietf.org">Pce@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/pce" target=3D"_blank">htt=
ps://www.ietf.org/mailman/listinfo/pce</a><br>
<br></blockquote></div><br></div></div>

--001a114712c630f63705182b2fa3--


From nobody Fri Jun 12 07:04:01 2015
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Date: Fri, 12 Jun 2015 16:03:40 +0200
From: <julien.meuric@orange.com>
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Subject: [Pce] Fwd: IESG Statement on Internet Draft Authorship
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Hi.

In case some of you missed it.

Julien


-------- Message transf�İr�İ --------
Date :     Thu, 11 Jun 2015 11:31:32 -0700
De :     The IESG <iesg@ietf.org>

The IESG has received some reports of IETF participants having been
listed as document authors on drafts without their consent ("surprised
authorship"). In some cases, the surprised authors had never seen the
draft that surprised them. It appears that some draft authors think that
including other participants as authors is a way to show support for the
concepts in the document and gain acceptance for those concepts. This
may be thought of as especially useful if the additional authors are
established IETF participants.

Adding names of IETF participants who did not actually work on a
proposal might seem to be a low-risk way of demonstrating "support", but
this is very clearly not an acceptable practice: no one should ever be
added to the list of authors on a draft unless that person has consented
to it and has contributed significantly to the development of the draft.

The practice of adding surprised authors is

   - not in line with the IETF culture, where it's the technical issues
     that matter, not who the authors or supporters are;
   - unethical, as it is wrong to claim support from someone who has not
     consented to it;
   - misleading in terms of support; and
   - problematic in terms of IPR disclosures (BCPs 78 and 79).

To emphasize this last point, the person submitting an Internet-Draft is
asserting that "This Internet-Draft is submitted in full conformance
with the provisions of BCP 78 and BCP 79". A submitter who has not
discussed this with all the listed authors cannot make that claim, and
this can cause procedural and legal problems later.

All authors need to be aware of the âRFC Editor's statement on
authorship [1], especially as it relates to responsibility for the
document's contents. The IESG strongly recommends that all drafts have
explicit permission from all authors to have their names listed before
the draft is submitted.

If you feel that you are impacted by the above issues, please talk to
your Area Director or contact the IESG by âsending email to
<iesg@ietf.org>. As the administrator of the I-D repository (regardless
of the source or intended stream for the draft), the IESG will handle
each case of disputed authorship on a case-by-base basis. All reports
will be investigated, and substantiated claims will be met with
corrective actions.

The default corrective action will be the replacement of the offending
draft with a "disputed authorship" tombstone. Such a tombstone would:

   - Be published as a successor to the offending draft,
   - Have the offended IETF participant listed as the only author,
   - Will state "The author listed on this tombstone Internet-Draft has
     stated that he/she should not have been listed as an author on the
     previous version. The IETF considers being added as an author
     without one's permission as unethical. The default behaviour of the
     IESG in such cases is to approve replacement of the offending draft
     with this tombstone. Please direct any queries to the author listed
     here."

[1] http://www.rfc-editor.org/pipermail/rfc-interest/2015-May/008869.html




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Thread-Topic: [Pce] Few comments/queries on draft-ietf-pce-pce-initiated-lsp-04
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Date: Mon, 22 Jun 2015 14:43:49 +0200
From: <julien.meuric@orange.com>
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Hi all,

The PCE WG session is *tentatively* scheduled in Prague meeting on 
Thursday 23rd at 1 PM. If you need some face to face time to progress 
your work, please send a request to the chairs and secretary by Friday, 
July 3, including:
- the corresponding I-D(s),
- the expected presenter,
- a requested duration,
- the motivation for requesting a face to face presentation as opposed 
to using only the mailing list (which you should be using in both cases).

Thanks,

JP & Julien


_________________________________________________________________________________________________________________________

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From nobody Tue Jun 23 19:13:35 2015
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Subject: [Pce] I-D Action: draft-ietf-pce-lsp-setup-type-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 Path Computation Element Working Group of the IETF.

        Title           : Conveying path setup type in PCEP messages
        Authors         : Siva Sivabalan
                          Jan Medved
                          Ina Minei
                          Edward Crabbe
                          Robert Varga
                          Jeff Tantsura
                          Jon Hardwick
	Filename        : draft-ietf-pce-lsp-setup-type-03.txt
	Pages           : 8
	Date            : 2015-06-23

Abstract:
   A Path Computation Element can compute traffic engineering paths (TE
   paths) through a network that are subject to various constraints.
   Currently, TE paths are label switched paths (LSPs) which are set up
   using the RSVP-TE signaling protocol.  However, other TE path setup
   methods are possible within the PCE architecture.  This document
   proposes an extension to PCEP to allow support for different path
   setup methods over a given PCEP session.



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-pce-lsp-setup-type/

There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-pce-lsp-setup-type-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-lsp-setup-type-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 Tue Jun 23 21:25:06 2015
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From: Dhruv Dhody <dhruv.dhody@huawei.com>
To: pce <pce@ietf.org>
Thread-Topic: Update to the Stateful PCE Auto-Bw draft
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--_000_23CE718903A838468A8B325B80962F9B870EFDC2BLREML509MBXchi_
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Hi All,

We have updated the draft "draft-dhody-pce-stateful-pce-auto-bandwidth" bas=
ed on the comments received during the Dallas meeting.

The main changes are -

-      Rakesh joined the team as co-author and provided valuable inputs and=
 text

-      Added clarity in the draft with respect to the two deployment models=
 with a table summarizing the requirements and differences

-      Added a scaling consideration section

o   Added a mechanism to report bandwidth samples together, reducing the nu=
mber of PCRpt messages

o   Described the use threshold to further curb them

-      Encoding

o   Added sub-TLVs for the AUTO-BANDWIDTH-ATTRIBUTE TLV

=A7  Described each sub-TLV

=A7  Part of LSPA object (instead of LSP object)

o   New BANDWIDTH object type for Bandwidth-Usage reporting

=A7  Allow multiple samples

-      Editorial Changes

The diff can be found at - https://www.ietf.org/rfcdiff?url1=3Ddraft-dhody-=
pce-stateful-pce-auto-bandwidth-04&url2=3Ddraft-dhody-pce-stateful-pce-auto=
-bandwidth-05
I-D: https://tools.ietf.org/html/draft-dhody-pce-stateful-pce-auto-bandwidt=
h-05

Please continue to provide feedback...

Regards,
Dhruv





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<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;">Hi All,
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;">We have updated the draft &#8220;draft-dhody-pce-st=
ateful-pce-auto-bandwidth&#8221; based on the comments received during the =
Dallas meeting.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;">The main changes are &#8211;
<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:&quot;Trebuchet MS=
&quot;,&quot;sans-serif&quot;"><span style=3D"mso-list:Ignore">-<span style=
=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-family:&quot;Trebuchet M=
S&quot;,&quot;sans-serif&quot;">Rakesh joined the team as co-author and pro=
vided valuable inputs and text<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:&quot;Trebuchet MS=
&quot;,&quot;sans-serif&quot;"><span style=3D"mso-list:Ignore">-<span style=
=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-family:&quot;Trebuchet M=
S&quot;,&quot;sans-serif&quot;">Added clarity in the draft with respect to =
the two deployment models with a table summarizing the requirements and dif=
ferences<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:&quot;Trebuchet MS=
&quot;,&quot;sans-serif&quot;"><span style=3D"mso-list:Ignore">-<span style=
=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-family:&quot;Trebuchet M=
S&quot;,&quot;sans-serif&quot;">Added a scaling consideration section
<o:p></o:p></span></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]><span style=3D"font-family:&quot;Trebuchet M=
S&quot;,&quot;sans-serif&quot;">Added a mechanism to report bandwidth sampl=
es together, reducing the number of PCRpt messages<o:p></o:p></span></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]><span style=3D"font-family:&quot;Trebuchet M=
S&quot;,&quot;sans-serif&quot;">Described the use threshold to further curb=
 them<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:&quot;Trebuchet MS=
&quot;,&quot;sans-serif&quot;"><span style=3D"mso-list:Ignore">-<span style=
=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-family:&quot;Trebuchet M=
S&quot;,&quot;sans-serif&quot;">Encoding<o:p></o:p></span></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]><span style=3D"font-family:&quot;Trebuchet M=
S&quot;,&quot;sans-serif&quot;">Added sub-TLVs for the AUTO-BANDWIDTH-ATTRI=
BUTE TLV<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:108.0pt;text-indent:-18.=
0pt;mso-list:l0 level3 lfo1">
<![if !supportLists]><span style=3D"font-family:Wingdings"><span style=3D"m=
so-list:Ignore">=A7<span style=3D"font:7.0pt &quot;Times New Roman&quot;">&=
nbsp;
</span></span></span><![endif]><span style=3D"font-family:&quot;Trebuchet M=
S&quot;,&quot;sans-serif&quot;">Described each sub-TLV<o:p></o:p></span></p=
>
<p class=3D"MsoListParagraph" style=3D"margin-left:108.0pt;text-indent:-18.=
0pt;mso-list:l0 level3 lfo1">
<![if !supportLists]><span style=3D"font-family:Wingdings"><span style=3D"m=
so-list:Ignore">=A7<span style=3D"font:7.0pt &quot;Times New Roman&quot;">&=
nbsp;
</span></span></span><![endif]><span style=3D"font-family:&quot;Trebuchet M=
S&quot;,&quot;sans-serif&quot;">Part of LSPA object (instead of LSP object)=
<o:p></o:p></span></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]><span style=3D"font-family:&quot;Trebuchet M=
S&quot;,&quot;sans-serif&quot;">New BANDWIDTH object type for Bandwidth-Usa=
ge reporting<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:108.0pt;text-indent:-18.=
0pt;mso-list:l0 level3 lfo1">
<![if !supportLists]><span style=3D"font-family:Wingdings"><span style=3D"m=
so-list:Ignore">=A7<span style=3D"font:7.0pt &quot;Times New Roman&quot;">&=
nbsp;
</span></span></span><![endif]><span style=3D"font-family:&quot;Trebuchet M=
S&quot;,&quot;sans-serif&quot;">Allow multiple samples<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:&quot;Trebuchet MS=
&quot;,&quot;sans-serif&quot;"><span style=3D"mso-list:Ignore">-<span style=
=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-family:&quot;Trebuchet M=
S&quot;,&quot;sans-serif&quot;">Editorial Changes
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;">The diff can be found at -
<a href=3D"https://www.ietf.org/rfcdiff?url1=3Ddraft-dhody-pce-stateful-pce=
-auto-bandwidth-04&amp;url2=3Ddraft-dhody-pce-stateful-pce-auto-bandwidth-0=
5">
https://www.ietf.org/rfcdiff?url1=3Ddraft-dhody-pce-stateful-pce-auto-bandw=
idth-04&amp;url2=3Ddraft-dhody-pce-stateful-pce-auto-bandwidth-05</a><o:p><=
/o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;">I-D: https://tools.ietf.org/html/draft-dhody-pce-st=
ateful-pce-auto-bandwidth-05<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;">Please continue to provide feedback&#8230;<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
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<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;">Regards,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;">Dhruv <o:p>
</o:p></span></p>
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From: "Zhuangyan (Yan)" <zhuangyan.zhuang@huawei.com>
To: "pce@ietf.org" <pce@ietf.org>
Thread-Topic: [Pce] I-D Action: draft-zhuang-pce-stateful-pce-lsp-scheduling-00.txt
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Date: Mon, 29 Jun 2015 12:04:03 +0000
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Hi All,

As mentioned in rfc7399 on service scheduling in pce, we prepared a new dra=
ft to provide LSP scheduling for a centralized pce system as shown in
https://tools.ietf.org/html/draft-zhuang-pce-stateful-pce-lsp-scheduling-00

This document is to enable LSP scheduling for path computation and LSP setu=
p/deletion based on the actual network resource usage duration of a traffic=
 service in a centralized network environment.

Please feel free to let us know your comments and thoughts on this topic.

Regards,

Yan


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<p class=3D"MsoNormal"><span lang=3D"EN-US">Hi All,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">As mentioned in rfc7399 on serv=
ice scheduling in pce, we prepared a new draft to provide LSP scheduling fo=
r a centralized pce system as shown in<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><a href=3D"https://tools.ietf.o=
rg/html/draft-zhuang-pce-stateful-pce-lsp-scheduling-00">https://tools.ietf=
.org/html/draft-zhuang-pce-stateful-pce-lsp-scheduling-00</a><o:p></o:p></s=
pan></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">This document is to enable LSP =
scheduling for path computation and LSP setup/deletion based on the actual =
network resource usage duration of a traffic service in a centralized netwo=
rk environment.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Please feel free to let us know=
 your comments and thoughts on this topic.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Regards,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Yan<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
</body>
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From nobody Mon Jun 29 21:32:08 2015
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From: Dhruv Dhody <dhruv.dhody@huawei.com>
To: "pce@ietf.org" <pce@ietf.org>
Thread-Topic: Stateful PCE for P2MP
Thread-Index: AdCy7bEqRlHH4L7rRCKlAh5Kxf4Tlg==
Date: Tue, 30 Jun 2015 04:31:54 +0000
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Hi,

We have updated the Stateful PCE P2MP documents. [1]
They were last discussed during the IETF 90 (Toronto) [2].

Since then the technical core of the documents has remain stable [3], while=
 following modifications are done -


-      Error handling for missing ENDPOINT / S2LS objects

-      Fragmentation error handling

-      Update in error handling for non-supported P2MP

-      Updated IANA section

-      Pavan joined the team of co-authors

-      Editorial changes

There are no known open issues; the authors believe that the document is in=
 good shape for WG adoption.

Regards,
Dhruv (on behalf of the authors)

[1] I-D: https://tools.ietf.org/html/draft-palle-pce-stateful-pce-p2mp-07
& https://tools.ietf.org/html/draft-palle-pce-stateful-pce-initiated-p2mp-l=
sp-06

[2] Slides: http://www.ietf.org/proceedings/90/slides/slides-90-pce-2.pdf

[3] Diff: http://tools.ietf.org/rfcdiff?url1=3Dhttp://tools.ietf.org/id/dra=
ft-palle-pce-stateful-pce-p2mp-04.txt&url2=3Dhttp://tools.ietf.org/id/draft=
-palle-pce-stateful-pce-p2mp-07.txt
& http://tools.ietf.org/rfcdiff?url1=3Dhttp://tools.ietf.org/id/draft-palle=
-pce-stateful-pce-initiated-p2mp-lsp-03.txt&url2=3Dhttp://tools.ietf.org/id=
/draft-palle-pce-stateful-pce-initiated-p2mp-lsp-06.txt


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<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
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<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;">We have updated the Stateful PCE P2MP documents. [1=
]
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;">They were last discussed during the IETF 90 (Toront=
o) [2].
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;">Since then the technical core of the documents has =
remain stable [3], while following modifications are done - &nbsp;<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;"><o:p>&nbsp;</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:&quot;Trebuchet MS=
&quot;,&quot;sans-serif&quot;"><span style=3D"mso-list:Ignore">-<span style=
=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-family:&quot;Trebuchet M=
S&quot;,&quot;sans-serif&quot;">Error handling for missing ENDPOINT / S2LS =
objects<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:&quot;Trebuchet MS=
&quot;,&quot;sans-serif&quot;"><span style=3D"mso-list:Ignore">-<span style=
=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-family:&quot;Trebuchet M=
S&quot;,&quot;sans-serif&quot;">Fragmentation error handling<o:p></o:p></sp=
an></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo1"><![if !supportLists]><span style=3D"font-family:&quot;Trebuchet MS=
&quot;,&quot;sans-serif&quot;"><span style=3D"mso-list:Ignore">-<span style=
=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-family:&quot;Trebuchet M=
S&quot;,&quot;sans-serif&quot;">Update in error handling for non-supported =
P2MP<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:&quot;Trebuchet MS=
&quot;,&quot;sans-serif&quot;"><span style=3D"mso-list:Ignore">-<span style=
=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-family:&quot;Trebuchet M=
S&quot;,&quot;sans-serif&quot;">Updated IANA section<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:&quot;Trebuchet MS=
&quot;,&quot;sans-serif&quot;"><span style=3D"mso-list:Ignore">-<span style=
=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-family:&quot;Trebuchet M=
S&quot;,&quot;sans-serif&quot;">Pavan joined the team of co-authors<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:&quot;Trebuchet MS=
&quot;,&quot;sans-serif&quot;"><span style=3D"mso-list:Ignore">-<span style=
=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-family:&quot;Trebuchet M=
S&quot;,&quot;sans-serif&quot;">Editorial changes<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;">There are no known open issues; the authors believe=
 that the document is in good shape for WG adoption.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;">Regards,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;">Dhruv (on behalf of the authors)<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;">[1] I-D: https://tools.ietf.org/html/draft-palle-pc=
e-stateful-pce-p2mp-07<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;">&amp; <a href=3D"https://tools.ietf.org/html/draft-=
palle-pce-stateful-pce-initiated-p2mp-lsp-06">
https://tools.ietf.org/html/draft-palle-pce-stateful-pce-initiated-p2mp-lsp=
-06</a><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;">[2] Slides:
<a href=3D"http://www.ietf.org/proceedings/90/slides/slides-90-pce-2.pdf">h=
ttp://www.ietf.org/proceedings/90/slides/slides-90-pce-2.pdf</a><o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;">[3] Diff:
<a href=3D"http://tools.ietf.org/rfcdiff?url1=3Dhttp://tools.ietf.org/id/dr=
aft-palle-pce-stateful-pce-p2mp-04.txt&amp;url2=3Dhttp://tools.ietf.org/id/=
draft-palle-pce-stateful-pce-p2mp-07.txt">
http://tools.ietf.org/rfcdiff?url1=3Dhttp://tools.ietf.org/id/draft-palle-p=
ce-stateful-pce-p2mp-04.txt&amp;url2=3Dhttp://tools.ietf.org/id/draft-palle=
-pce-stateful-pce-p2mp-07.txt</a><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;">&amp; <a href=3D"http://tools.ietf.org/rfcdiff?url1=
=3Dhttp://tools.ietf.org/id/draft-palle-pce-stateful-pce-initiated-p2mp-lsp=
-03.txt&amp;url2=3Dhttp://tools.ietf.org/id/draft-palle-pce-stateful-pce-in=
itiated-p2mp-lsp-06.txt">
http://tools.ietf.org/rfcdiff?url1=3Dhttp://tools.ietf.org/id/draft-palle-p=
ce-stateful-pce-initiated-p2mp-lsp-03.txt&amp;url2=3Dhttp://tools.ietf.org/=
id/draft-palle-pce-stateful-pce-initiated-p2mp-lsp-06.txt</a><o:p></o:p></s=
pan></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Trebuchet MS&quot;,=
&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
</div>
</body>
</html>

--_000_23CE718903A838468A8B325B80962F9B870F5DF0BLREML509MBXchi_--


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