From nobody Thu Jun 1 05:09:38 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C670E12EBE0; Thu, 1 Jun 2017 05:09:35 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.02 X-Spam-Level: X-Spam-Status: No, score=-2.02 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=metaswitch.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id sZhtM11i-64l; Thu, 1 Jun 2017 05:09:23 -0700 (PDT) Received: from NAM03-DM3-obe.outbound.protection.outlook.com (mail-dm3nam03on0105.outbound.protection.outlook.com [104.47.41.105]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 88A5312EBE3; 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RULEID:(100000800094)(100110000095)(100000801094)(100110300095)(100000802094)(100110100095)(100000803094)(100110400095)(100000804094)(100110200095)(100000805094)(100110500095); SRVR:BY2PR0201MB1909; x-forefront-prvs: 0325F6C77B spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: multipart/alternative; boundary="_000_BY2PR0201MB1910C6342C92C711BF5C19C984F60BY2PR0201MB1910_" MIME-Version: 1.0 X-OriginatorOrg: metaswitch.com X-MS-Exchange-CrossTenant-originalarrivaltime: 01 Jun 2017 12:09:21.1964 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 9d9e56eb-f613-4ddb-b27b-bfcdf14b2cdb X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY2PR0201MB1909 Archived-At: Subject: Re: [Pce] Poll for adoption: draft-dhody-pce-applicability-actn-02 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Jun 2017 12:09:36 -0000 --_000_BY2PR0201MB1910C6342C92C711BF5C19C984F60BY2PR0201MB1910_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Apologies for the delay. This poll has ended with the result that the docu= ment will be adopted by the working group. Authors, please resubmit this version of the draft as draft-ietf-pce-applic= ability-actn-00. Thanks Jon From: Jonathan Hardwick [mailto:Jonathan.Hardwick@metaswitch.com] Sent: 25 April 2017 17:26 To: pce@ietf.org Cc: pce-chairs@ietf.org; draft-dhody-pce-applicability-actn@ietf.org Subject: Poll for adoption: draft-dhody-pce-applicability-actn-02 All, This is the start of a two week poll on making draft-dhody-pce-applicabilit= y-actn-02 a PCE working group document. https://datatracker.ietf.org/doc/draft-dhody-pce-applicability-actn/ Please review the draft and send an email to the list indicating "yes/suppo= rt" or "no/do not support". If indicating no, please state your reasons. = If yes, please also feel free to provide comments you'd like to see address= ed once the document is a WG document. The poll ends on Tuesday, May 9. Many thanks, Jon --_000_BY2PR0201MB1910C6342C92C711BF5C19C984F60BY2PR0201MB1910_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Apologies for the dela= y.  This poll has ended with the result that the document will be adop= ted by the working group.

Authors, please resubm= it this version of the draft as draft-ietf-pce-applicability-actn-00.<= /o:p>

Thanks

Jon<= /p>

 

From: Jonathan Hardwick [mailto:Jonathan.Hardwick@metaswitch.com]
Sent: 25 April 2017 17:26
To: pce@ietf.org
Cc: pce-chairs@ietf.org; draft-dhody-pce-applicability-actn@ietf.org=
Subject: Poll for adoption: draft-dhody-pce-applicability-actn-02

 

All,

 

This is the start of a two week poll on making draft= -dhody-pce-applicability-actn-02 a PCE working group document.

https://datatracker.ietf.org/doc/draft-dhody-p= ce-applicability-actn/

 

Please review the draft and send an email to the = list indicating “yes/support” or “no/do not support”= ;.  If indicating no, please state your reasons.  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 on Tuesday, May 9.

 

Many thanks,

Jon

 

 

--_000_BY2PR0201MB1910C6342C92C711BF5C19C984F60BY2PR0201MB1910_-- From nobody Thu Jun 1 05:24:46 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 590B6129421; Thu, 1 Jun 2017 05:24:44 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.02 X-Spam-Level: X-Spam-Status: No, score=-2.02 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=metaswitch.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id PH2rxqPsyR2Q; Thu, 1 Jun 2017 05:24:42 -0700 (PDT) Received: from NAM02-SN1-obe.outbound.protection.outlook.com (mail-sn1nam02on0116.outbound.protection.outlook.com [104.47.36.116]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 79F1712EA93; 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MLV:ovrnspm; PTR:InfoNoRecords; LANG:en; spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: multipart/alternative; boundary="_000_BY2PR0201MB1910C4E3F1C598130B3E1B1B84F60BY2PR0201MB1910_" MIME-Version: 1.0 X-OriginatorOrg: metaswitch.com X-MS-Exchange-CrossTenant-originalarrivaltime: 01 Jun 2017 12:24:36.2419 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 9d9e56eb-f613-4ddb-b27b-bfcdf14b2cdb X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY2PR0201MB1911 Archived-At: Subject: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Jun 2017 12:24:44 -0000 --_000_BY2PR0201MB1910C4E3F1C598130B3E1B1B84F60BY2PR0201MB1910_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable All, This is the start of a two week poll on making draft-dhodylee-pce-stateful-= hpce-03 a PCE working group document. https://datatracker.ietf.org/doc/draft-dhodylee-pce-stateful-hpce/ Please review the draft and send an email to the list indicating "yes/suppo= rt" or "no/do not support". If indicating no, please state your reasons. = If yes, please also feel free to provide comments you'd like to see address= ed once the document is a WG document. The poll ends on Thursday, June 15. Many thanks, Jon --_000_BY2PR0201MB1910C4E3F1C598130B3E1B1B84F60BY2PR0201MB1910_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

All,

 

This is the start of a two week poll on making draft= -dhodylee-pce-stateful-hpce-03 a PCE working group document.

https://datatracker.ietf.org/doc/draft-dhodylee-= pce-stateful-hpce/

 

Please review the draft and send an email to the = list indicating “yes/support” or “no/do not support”= ;.  If indicating no, please state your reasons.  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 on Thursday, June 15.

 

Many thanks,

Jon

 

--_000_BY2PR0201MB1910C4E3F1C598130B3E1B1B84F60BY2PR0201MB1910_-- From nobody Thu Jun 1 19:58:59 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6AD471294B9; Thu, 1 Jun 2017 19:58:57 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.221 X-Spam-Level: X-Spam-Status: No, score=-4.221 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9bXVg3RFmkHO; Thu, 1 Jun 2017 19:58:55 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D75401294BC; Thu, 1 Jun 2017 19:58:53 -0700 (PDT) Received: from 172.18.7.190 (EHLO lhreml704-cah.china.huawei.com) ([172.18.7.190]) by lhrrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DOG42134; Fri, 02 Jun 2017 02:58:51 +0000 (GMT) Received: from BLREML405-HUB.china.huawei.com (10.20.4.41) by lhreml704-cah.china.huawei.com (10.201.108.45) with Microsoft SMTP Server (TLS) id 14.3.301.0; Fri, 2 Jun 2017 03:58:50 +0100 Received: from BLREML501-MBB.china.huawei.com ([10.20.5.200]) by BLREML405-HUB.china.huawei.com ([10.20.4.41]) with mapi id 14.03.0301.000; Fri, 2 Jun 2017 08:28:38 +0530 From: Dhruv Dhody To: Jonathan Hardwick , "pce@ietf.org" CC: "draft-dhodylee-pce-stateful-hpce@ietf.org" , "pce-chairs@ietf.org" Thread-Topic: Poll for adoption: draft-dhodylee-pce-stateful-hpce Thread-Index: AdLa0aGL5Y7zF15+Sq6ccQ15ZLSQkAAemh0g Date: Fri, 2 Jun 2017 02:58:37 +0000 Message-ID: <23CE718903A838468A8B325B80962F9B8CB1B957@blreml501-mbb> References: In-Reply-To: Accept-Language: en-GB, zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.18.149.39] Content-Type: multipart/alternative; boundary="_000_23CE718903A838468A8B325B80962F9B8CB1B957blreml501mbb_" MIME-Version: 1.0 X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020206.5930D46C.0047, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: b03a886f694d3336b5d0ccb071720ac7 Archived-At: Subject: Re: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Jun 2017 02:58:57 -0000 --_000_23CE718903A838468A8B325B80962F9B8CB1B957blreml501mbb_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Yes/Support. Dhruv (co-author) From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Jonathan Hardwick Sent: 01 June 2017 17:55 To: pce@ietf.org Cc: draft-dhodylee-pce-stateful-hpce@ietf.org; pce-chairs@ietf.org Subject: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce All, This is the start of a two week poll on making draft-dhodylee-pce-stateful-= hpce-03 a PCE working group document. https://datatracker.ietf.org/doc/draft-dhodylee-pce-stateful-hpce/ Please review the draft and send an email to the list indicating "yes/suppo= rt" or "no/do not support". If indicating no, please state your reasons. = If yes, please also feel free to provide comments you'd like to see address= ed once the document is a WG document. The poll ends on Thursday, June 15. Many thanks, Jon --_000_23CE718903A838468A8B325B80962F9B8CB1B957blreml501mbb_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Yes/S= upport.

=  

Dhruv= (co-author)

=  

From:<= /span> Pce [mailto:pce-bounc= es@ietf.org] On Behalf Of Jonathan Hardwick
Sent: 01 June 2017 17:55
To: pce@ietf.org
Cc: draft-dhodylee-pce-stateful-hpce@ietf.org; pce-chairs@ietf.org Subject: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce

 

All,

 

This is the start of a two week= poll on making draft-dhodylee-pce-stateful-hpce-03 a PCE working group doc= ument.

https://datatracker.ietf.or= g/doc/draft-dhodylee-pce-stateful-hpce/

 

Please review the draft and = send an email to the list indicating “yes/support” or “no= /do not support”.  If indicating no, please state your reasons.&= nbsp; 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 on Thursday, J= une 15.

 

Many thanks,

Jon

 

--_000_23CE718903A838468A8B325B80962F9B8CB1B957blreml501mbb_-- From nobody Thu Jun 1 20:03:58 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 71219129B23; Thu, 1 Jun 2017 20:03:56 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.221 X-Spam-Level: X-Spam-Status: No, score=-4.221 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lz5tBwTRKyUr; Thu, 1 Jun 2017 20:03:54 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C965B1294A8; Thu, 1 Jun 2017 20:03:52 -0700 (PDT) Received: from 172.18.7.190 (EHLO lhreml703-cah.china.huawei.com) ([172.18.7.190]) by lhrrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DOG43304; Fri, 02 Jun 2017 03:03:50 +0000 (GMT) Received: from DGGEML402-HUB.china.huawei.com (10.3.17.38) by lhreml703-cah.china.huawei.com (10.201.108.44) with Microsoft SMTP Server (TLS) id 14.3.301.0; Fri, 2 Jun 2017 04:03:50 +0100 Received: from DGGEML503-MBS.china.huawei.com ([169.254.10.9]) by DGGEML402-HUB.china.huawei.com ([fe80::fca6:7568:4ee3:c776%31]) with mapi id 14.03.0301.000; Fri, 2 Jun 2017 11:03:45 +0800 From: Zhenghaomian To: Jonathan Hardwick , "pce@ietf.org" CC: "draft-dhodylee-pce-stateful-hpce@ietf.org" , "pce-chairs@ietf.org" Thread-Topic: Poll for adoption: draft-dhodylee-pce-stateful-hpce Thread-Index: AdLa0aGL5Y7zF15+Sq6ccQ15ZLSQkAAetDPQ Date: Fri, 2 Jun 2017 03:03:44 +0000 Message-ID: References: In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.57.78.114] Content-Type: multipart/alternative; boundary="_000_E0C26CAA2504C84093A49B2CAC3261A43A275633DGGEML503MBSchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020205.5930D597.00C5, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=169.254.10.9, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 3b860c659e5861a88c10b7e7198bebab Archived-At: Subject: [Pce] =?gb2312?b?tPC4tDogUG9sbCBmb3IgYWRvcHRpb246IGRyYWZ0LWRob2R5?= =?gb2312?b?bGVlLXBjZS1zdGF0ZWZ1bC1ocGNl?= X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Jun 2017 03:03:56 -0000 --_000_E0C26CAA2504C84093A49B2CAC3261A43A275633DGGEML503MBSchi_ Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 WWVzL1N1cHBvcnQuDQoNCkJlc3Qgd2lzaGVzLA0KSGFvbWlhbg0KDQq3orz+yMs6IFBjZSBbbWFp bHRvOnBjZS1ib3VuY2VzQGlldGYub3JnXSC0+rHtIEpvbmF0aGFuIEhhcmR3aWNrDQq3osvNyrG8 5DogMjAxN8TqNtTCMcjVIDIwOjI1DQrK1bz+yMs6IHBjZUBpZXRmLm9yZw0Ks63LzTogZHJhZnQt ZGhvZHlsZWUtcGNlLXN0YXRlZnVsLWhwY2VAaWV0Zi5vcmc7IHBjZS1jaGFpcnNAaWV0Zi5vcmcN Ctb3zOI6IFtQY2VdIFBvbGwgZm9yIGFkb3B0aW9uOiBkcmFmdC1kaG9keWxlZS1wY2Utc3RhdGVm dWwtaHBjZQ0KDQpBbGwsDQoNClRoaXMgaXMgdGhlIHN0YXJ0IG9mIGEgdHdvIHdlZWsgcG9sbCBv biBtYWtpbmcgZHJhZnQtZGhvZHlsZWUtcGNlLXN0YXRlZnVsLWhwY2UtMDMgYSBQQ0Ugd29ya2lu ZyBncm91cCBkb2N1bWVudC4NCmh0dHBzOi8vZGF0YXRyYWNrZXIuaWV0Zi5vcmcvZG9jL2RyYWZ0 LWRob2R5bGVlLXBjZS1zdGF0ZWZ1bC1ocGNlLw0KDQoNClBsZWFzZSByZXZpZXcgdGhlIGRyYWZ0 IGFuZCBzZW5kIGFuIGVtYWlsIHRvIHRoZSBsaXN0IGluZGljYXRpbmcgobB5ZXMvc3VwcG9ydKGx IG9yIKGwbm8vZG8gbm90IHN1cHBvcnShsS4gIElmIGluZGljYXRpbmcgbm8sIHBsZWFzZSBzdGF0 ZSB5b3VyIHJlYXNvbnMuICBJZiB5ZXMsIHBsZWFzZSBhbHNvIGZlZWwgZnJlZSB0byBwcm92aWRl IGNvbW1lbnRzIHlvdSdkIGxpa2UgdG8gc2VlIGFkZHJlc3NlZCBvbmNlIHRoZSBkb2N1bWVudCBp cyBhIFdHIGRvY3VtZW50Lg0KDQoNCg0KVGhlIHBvbGwgZW5kcyBvbiBUaHVyc2RheSwgSnVuZSAx NS4NCg0KDQoNCk1hbnkgdGhhbmtzLA0KSm9uDQoNCg== --_000_E0C26CAA2504C84093A49B2CAC3261A43A275633DGGEML503MBSchi_ Content-Type: text/html; charset="gb2312" Content-Transfer-Encoding: quoted-printable

Yes/Support.

 

Best wishes,

Haomian

 

=B7=A2= =BC=FE=C8=CB: Pce [mailto:pce-bounces@ietf.org] =B4=FA=B1=ED Jonathan= Hardwick
=B7=A2=CB=CD=CA=B1=BC=E4<= span lang=3D"EN-US">: 2017= =C4=EA6=D4=C21=C8= =D5 20:25
=CA=D5=BC=FE=C8=CB: pce@ietf.org
=B3=AD=CB=CD: draft-dhodylee-pce-stateful-hpce@ietf.org; pce-chairs@ietf.org
=D6=F7=CC=E2: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce

 

All,

 

This is the start of a two week= poll on making draft-dhodylee-pce-stateful-hpce-03 a PCE working group doc= ument.

https://datatracker.ietf.or= g/doc/draft-dhodylee-pce-stateful-hpce/

 

Please review the draft and = send an email to the list indicating =A1=B0yes/support=A1=B1 or =A1=B0no/do= not support=A1=B1.  If indicating no, please state your reasons. = ; 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 on Thursday, J= une 15.

 

Many thanks,

Jon

 

--_000_E0C26CAA2504C84093A49B2CAC3261A43A275633DGGEML503MBSchi_-- From nobody Fri Jun 2 02:21:13 2017 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id B7BBA127136; Fri, 2 Jun 2017 02:21:04 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.52.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149639526453.31882.14532858548405177895@ietfa.amsl.com> Date: Fri, 02 Jun 2017 02:21:04 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-applicability-actn-00.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Jun 2017 09:21:05 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element of the IETF. Title : Applicability of Path Computation Element (PCE) for Abstraction and Control of TE Networks (ACTN) Authors : Dhruv Dhody Young Lee Daniele Ceccarelli Filename : draft-ietf-pce-applicability-actn-00.txt Pages : 17 Date : 2017-06-02 Abstract: Abstraction and Control of TE Networks (ACTN) refers to the set of virtual network operations needed to orchestrate, control and manage large-scale multi-domain TE networks so as to facilitate network programmability, automation, efficient resource sharing, and end-to- end virtual service aware connectivity and network function virtualization services. The Path Computation Element Communication Protocol (PCEP) provides mechanisms for Path Computation Elements (PCEs) to perform path computations in response to Path Computation Clients (PCCs) requests. This document examines the applicability of PCE to the ACTN framework. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-applicability-actn/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-applicability-actn-00 https://datatracker.ietf.org/doc/html/draft-ietf-pce-applicability-actn-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 Sun Jun 4 17:16:19 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BBC401200C1; Sun, 4 Jun 2017 17:16:17 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 5QHWs0ifogp9; Sun, 4 Jun 2017 17:16:15 -0700 (PDT) Received: from smtpeg.etri.re.kr (smtpeg1.etri.re.kr [129.254.27.141]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C09EF12896F; Sun, 4 Jun 2017 17:16:14 -0700 (PDT) Received: from SMTP4.etri.info (129.254.28.74) by SMTPEG1.etri.info (129.254.27.141) with Microsoft SMTP Server (TLS) id 14.3.319.2; Mon, 5 Jun 2017 09:16:11 +0900 Received: from SMTP1.etri.info ([169.254.1.51]) by SMTP4.etri.info ([10.2.6.33]) with mapi id 14.03.0319.002; Mon, 5 Jun 2017 09:16:07 +0900 From: =?ks_c_5601-1987?B?wLG687+1?= To: Jonathan Hardwick , "pce@ietf.org" CC: "draft-dhodylee-pce-stateful-hpce@ietf.org" , "pce-chairs@ietf.org" Thread-Topic: Poll for adoption: draft-dhodylee-pce-stateful-hpce Thread-Index: AdLa0aGL5Y7zF15+Sq6ccQ15ZLSQkACvuHAw Date: Mon, 5 Jun 2017 00:16:06 +0000 Message-ID: <23C934174FAD8C4EACF66FEFB6AE43392A8177B9@SMTP1.etri.info> References: In-Reply-To: Accept-Language: ko-KR, en-US Content-Language: ko-KR X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [129.254.73.49] Content-Type: multipart/alternative; boundary="_000_23C934174FAD8C4EACF66FEFB6AE43392A8177B9SMTP1etriinfo_" MIME-Version: 1.0 Archived-At: Subject: Re: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Jun 2017 00:16:18 -0000 --_000_23C934174FAD8C4EACF66FEFB6AE43392A8177B9SMTP1etriinfo_ Content-Type: text/plain; charset="ks_c_5601-1987" Content-Transfer-Encoding: base64 WWVzL1N1cHBvcnQuDQoNClJlZ2FyZHMsDQpCaW4NCg0KRnJvbTogUGNlIFttYWlsdG86cGNlLWJv dW5jZXNAaWV0Zi5vcmddIE9uIEJlaGFsZiBPZiBKb25hdGhhbiBIYXJkd2ljaw0KU2VudDogVGh1 cnNkYXksIEp1bmUgMDEsIDIwMTcgOToyNSBQTQ0KVG86IHBjZUBpZXRmLm9yZw0KQ2M6IGRyYWZ0 LWRob2R5bGVlLXBjZS1zdGF0ZWZ1bC1ocGNlQGlldGYub3JnOyBwY2UtY2hhaXJzQGlldGYub3Jn DQpTdWJqZWN0OiBbUGNlXSBQb2xsIGZvciBhZG9wdGlvbjogZHJhZnQtZGhvZHlsZWUtcGNlLXN0 YXRlZnVsLWhwY2UNCg0KQWxsLA0KDQpUaGlzIGlzIHRoZSBzdGFydCBvZiBhIHR3byB3ZWVrIHBv bGwgb24gbWFraW5nIGRyYWZ0LWRob2R5bGVlLXBjZS1zdGF0ZWZ1bC1ocGNlLTAzIGEgUENFIHdv cmtpbmcgZ3JvdXAgZG9jdW1lbnQuDQpodHRwczovL2RhdGF0cmFja2VyLmlldGYub3JnL2RvYy9k cmFmdC1kaG9keWxlZS1wY2Utc3RhdGVmdWwtaHBjZS8NCg0KDQpQbGVhc2UgcmV2aWV3IHRoZSBk cmFmdCBhbmQgc2VuZCBhbiBlbWFpbCB0byB0aGUgbGlzdCBpbmRpY2F0aW5nIKGweWVzL3N1cHBv cnShsSBvciChsG5vL2RvIG5vdCBzdXBwb3J0obEuICBJZiBpbmRpY2F0aW5nIG5vLCBwbGVhc2Ug c3RhdGUgeW91ciByZWFzb25zLiAgSWYgeWVzLCBwbGVhc2UgYWxzbyBmZWVsIGZyZWUgdG8gcHJv dmlkZSBjb21tZW50cyB5b3UnZCBsaWtlIHRvIHNlZSBhZGRyZXNzZWQgb25jZSB0aGUgZG9jdW1l bnQgaXMgYSBXRyBkb2N1bWVudC4NCg0KDQoNClRoZSBwb2xsIGVuZHMgb24gVGh1cnNkYXksIEp1 bmUgMTUuDQoNCg0KDQpNYW55IHRoYW5rcywNCkpvbg0KDQo= --_000_23C934174FAD8C4EACF66FEFB6AE43392A8177B9SMTP1etriinfo_ Content-Type: text/html; charset="ks_c_5601-1987" Content-Transfer-Encoding: quoted-printable

Yes/Support.

 

Regards,

Bin

 

From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Jonathan Hardwick
Sent: Thursday, June 01, 2017 9:25 PM
To: pce@ietf.org
Cc: draft-dhodylee-pce-stateful-hpce@ietf.org; pce-chairs@ietf.org Subject: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce

 

All,

 

This is the start of a two week= poll on making draft-dhodylee-pce-stateful-hpce-03 a PCE working group doc= ument.

https://datatracker.ietf.or= g/doc/draft-dhodylee-pce-stateful-hpce/

 

Please review the draft and = send an email to the list indicating =A1=B0yes/support=A1=B1 or =A1=B0no/do= not support=A1=B1.  If indicating no, please state your reasons. = ; 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 on Thursday, J= une 15.

 

Many thanks,

Jon

 

--_000_23C934174FAD8C4EACF66FEFB6AE43392A8177B9SMTP1etriinfo_-- From nobody Sun Jun 4 19:18:29 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3EC51127F0E; Sun, 4 Jun 2017 19:18:28 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.697 X-Spam-Level: X-Spam-Status: No, score=-2.697 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, MIME_QP_LONG_LINE=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id kJIYZ7FLeav8; Sun, 4 Jun 2017 19:18:26 -0700 (PDT) Received: from mail-it0-x241.google.com (mail-it0-x241.google.com [IPv6:2607:f8b0:4001:c0b::241]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 970831205F1; Sun, 4 Jun 2017 19:18:26 -0700 (PDT) Received: by mail-it0-x241.google.com with SMTP id 67so20085564itx.2; Sun, 04 Jun 2017 19:18:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=user-agent:date:subject:from:to:cc:message-id:thread-topic :mime-version; bh=DJtwXGmM0mV3P358R+fZHInpapfao6Se8cmZFZ+0yGI=; b=cFzrppL9evWZsx85sCYhear3CXddtY/K5SJSfdWcXt1WhSyfN5KMNeUSy8jzZ6eBPb 3+pTAawlOskFXQ0wAre4DaiFXBjHBjSQtfOyIMBdnNgaQH0uOmiRnR0JIrsXPdW61pbw Al8uWrpINCYuWn6Vvw72sBW1j3lGqdqIU4DLOrB5CdNS/SfOw+WESZSLbulJPm9nB9BV hQoDQWWqI3auscc3K37alsZ+GfxRRjjGVN5bGSDbYr5QUCzvEOik2ImsFYURCSUNnh63 ujIDT34TuvHxO6I4hkpog8PJ+cmwcH9JT48uTGyLePhXb4kkg7PhnNTntI2d95g0hlY4 XY5Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:user-agent:date:subject:from:to:cc:message-id :thread-topic:mime-version; bh=DJtwXGmM0mV3P358R+fZHInpapfao6Se8cmZFZ+0yGI=; b=fTfxiZ5uAKZSNaYbtJXrdWyuGj0K0UPJRe4qwna6A3XatuIinlQ+geJJoQKDNO73WY wmuw+MTEwg7jpF6MZ+yb0hwouvFuJOl0UCu12ZCcBgxDc2I5S1+hHBI9fns3Uxra7OoX Q5z+es7Iu6jWdItbjhKWztRDSk4O6ZKpPYF7QUTd/5wnDX6sMitjSSivi15yDOei3P9b Y7DbAW5nO4J1O/OD6IE01XPeW9xLYkxxNfyWe/I56RYmcXuzuLeoE0emoqdj3/WWlDLG bUf0tYimJZk5pE8Sj7D0WPAhpN0MDaahA7QYXiTJwhXcl9JOt/qSfVQJ9joGs912eebl 27mw== X-Gm-Message-State: AODbwcAnlqQ7jdwakcZ4kRet6FD/2SWSHMWxigygbs/YjJuZ+xO2QH0q M7RnMpPTNAmAFQ== X-Received: by 10.36.138.131 with SMTP id v125mr9340724itd.66.1496629105988; Sun, 04 Jun 2017 19:18:25 -0700 (PDT) Received: from [192.168.0.101] (2600-6c4e-2200-04cb-c90e-d2ba-065e-8575.dhcp6.chtrptr.net. [2600:6c4e:2200:4cb:c90e:d2ba:65e:8575]) by smtp.gmail.com with ESMTPSA id y40sm6614206ita.2.2017.06.04.19.18.24 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 04 Jun 2017 19:18:25 -0700 (PDT) User-Agent: Microsoft-MacOutlook/f.21.0.170409 Date: Sun, 04 Jun 2017 19:18:24 -0700 From: Jeff Tantsura To: Jonathan Hardwick , "pce@ietf.org" CC: "draft-dhodylee-pce-stateful-hpce@ietf.org" , "pce-chairs@ietf.org" Message-ID: <47F100E0-4B78-45CC-9694-40B1D9F5703A@gmail.com> Thread-Topic: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce Mime-version: 1.0 Content-type: multipart/alternative; boundary="B_3579448705_625962162" Archived-At: Subject: Re: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Jun 2017 02:18:28 -0000 > This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. --B_3579448705_625962162 Content-type: text/plain; charset="UTF-8" Content-transfer-encoding: quoted-printable yes/support =20 =20 Cheers, Jeff =20 From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Jonathan Hardwick Sent: Thursday, June 01, 2017 9:25 PM To: pce@ietf.org Cc: draft-dhodylee-pce-stateful-hpce@ietf.org; pce-chairs@ietf.org Subject: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce =20 All, =20 This is the start of a two week poll on making draft-dhodylee-pce-stateful-= hpce-03 a PCE working group document. https://datatracker.ietf.org/doc/draft-dhodylee-pce-stateful-hpce/ =20 Please review the draft and send an email to the list indicating =E2=80=9Cyes/sup= port=E2=80=9D or =E2=80=9Cno/do not support=E2=80=9D. If indicating no, please state your rea= sons. If yes, please also feel free to provide comments you'd like to see a= ddressed once the document is a WG document. =20 The poll ends on Thursday, June 15. =20 Many thanks, Jon =20 _______________________________________________ Pce mailing list Pce@ietf.o= rg https://www.ietf.org/mailman/listinfo/pce=20 --B_3579448705_625962162 Content-type: text/html; charset="UTF-8" Content-transfer-encoding: quoted-printable

yes/support

 

 

= Cheers,

Jeff

 

Fr= om: Pce [mailto:pce-bounces= @ietf.org] On Behalf Of Jonathan Hardwick
Sent: Thursday, J= une 01, 2017 9:25 PM
To: pce@ietf.org
Cc: draft-dhodylee= -pce-stateful-hpce@ietf.org; pce-chairs@ietf.org
Subject: [Pce] Po= ll for adoption: draft-dhodylee-pce-stateful-hpce

 

All,

 

This is the start of a two week poll on making draft-dhodylee-pce-state= ful-hpce-03 a PCE working group document.

https://datatracker.ietf.or= g/doc/draft-dhodylee-pce-stateful-hpce/

 

Please rev= iew the draft and send an email to the list indicating “yes/support= 221; or “no/do not support”.  If indicating no, please stat= e your reasons.  If yes, please also feel free to provide comments you'= d like to see addressed once the document is a WG document.

 <= /span>

The poll ends on Thursday, June 15.

 

Many t= hanks,

Jon

 

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

= --B_3579448705_625962162-- From nobody Thu Jun 8 16:55:24 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 40D59129B57; Thu, 8 Jun 2017 16:55:22 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.219 X-Spam-Level: X-Spam-Status: No, score=-4.219 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wfc_wDv3-LmQ; Thu, 8 Jun 2017 16:55:20 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4A0311293E9; Thu, 8 Jun 2017 16:55:19 -0700 (PDT) Received: from 172.18.7.190 (EHLO lhreml704-cah.china.huawei.com) ([172.18.7.190]) by lhrrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DID95047; Thu, 08 Jun 2017 23:55:16 +0000 (GMT) Received: from SJCEML703-CHM.china.huawei.com (10.208.112.39) by lhreml704-cah.china.huawei.com (10.201.108.45) with Microsoft SMTP Server (TLS) id 14.3.301.0; Fri, 9 Jun 2017 00:55:15 +0100 Received: from SJCEML702-CHM.china.huawei.com ([169.254.4.117]) by SJCEML703-CHM.china.huawei.com ([169.254.5.229]) with mapi id 14.03.0235.001; Thu, 8 Jun 2017 16:55:08 -0700 From: Leeyoung To: Jonathan Hardwick , "pce@ietf.org" CC: "pce-chairs@ietf.org" , "draft-dhodylee-pce-stateful-hpce@ietf.org" Thread-Topic: Poll for adoption: draft-dhodylee-pce-stateful-hpce Thread-Index: AdLa0aGL5Y7zF15+Sq6ccQ15ZLSQkAF4QS/g Date: Thu, 8 Jun 2017 23:55:07 +0000 Message-ID: <7AEB3D6833318045B4AE71C2C87E8E172B2CF2FA@SJCEML702-CHM.china.huawei.com> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.46.59.222] Content-Type: multipart/alternative; boundary="_000_7AEB3D6833318045B4AE71C2C87E8E172B2CF2FASJCEML702CHMchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020202.5939E3E5.00F1, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=169.254.4.117, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 66387829cf81ded439ed0aadb0ada65c Archived-At: Subject: Re: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 08 Jun 2017 23:55:22 -0000 --_000_7AEB3D6833318045B4AE71C2C87E8E172B2CF2FASJCEML702CHMchi_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Yes/support Young (co-author) From: Jonathan Hardwick [mailto:Jonathan.Hardwick@metaswitch.com] Sent: Thursday, June 01, 2017 7:25 AM To: pce@ietf.org Cc: pce-chairs@ietf.org; draft-dhodylee-pce-stateful-hpce@ietf.org Subject: Poll for adoption: draft-dhodylee-pce-stateful-hpce All, This is the start of a two week poll on making draft-dhodylee-pce-stateful-= hpce-03 a PCE working group document. https://datatracker.ietf.org/doc/draft-dhodylee-pce-stateful-hpce/ Please review the draft and send an email to the list indicating "yes/suppo= rt" or "no/do not support". If indicating no, please state your reasons. = If yes, please also feel free to provide comments you'd like to see address= ed once the document is a WG document. The poll ends on Thursday, June 15. Many thanks, Jon --_000_7AEB3D6833318045B4AE71C2C87E8E172B2CF2FASJCEML702CHMchi_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Yes/support=

 

Young (co-author)=

 

From: Jonathan Hardwick [mailto:Jonathan.Hard= wick@metaswitch.com]
Sent: Thursday, June 01, 2017 7:25 AM
To: pce@ietf.org
Cc: pce-chairs@ietf.org; draft-dhodylee-pce-stateful-hpce@ietf.org Subject: Poll for adoption: draft-dhodylee-pce-stateful-hpce

 

All,

 

This is the start of a two week= poll on making draft-dhodylee-pce-stateful-hpce-03 a PCE working group doc= ument.

https://datatracker.ietf.or= g/doc/draft-dhodylee-pce-stateful-hpce/

 

Please review the draft and = send an email to the list indicating “yes/support” or “no= /do not support”.  If indicating no, please state your reasons.&= nbsp; 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 on Thursday, J= une 15.

 

Many thanks,

Jon

 

--_000_7AEB3D6833318045B4AE71C2C87E8E172B2CF2FASJCEML702CHMchi_-- From nobody Fri Jun 9 18:57:43 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E51D7126E64 for ; Fri, 9 Jun 2017 18:57:40 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.221 X-Spam-Level: X-Spam-Status: No, score=-4.221 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id g8UOpUQdspMq for ; Fri, 9 Jun 2017 18:57:38 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 550FC126CD6 for ; Fri, 9 Jun 2017 18:57:37 -0700 (PDT) Received: from 172.18.7.190 (EHLO lhreml704-cah.china.huawei.com) ([172.18.7.190]) by lhrrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DIF65050; Sat, 10 Jun 2017 01:57:34 +0000 (GMT) Received: from SJCEML702-CHM.china.huawei.com (10.208.112.38) by lhreml704-cah.china.huawei.com (10.201.108.45) with Microsoft SMTP Server (TLS) id 14.3.301.0; Sat, 10 Jun 2017 02:57:33 +0100 Received: from SJCEML701-CHM.china.huawei.com ([169.254.3.56]) by SJCEML702-CHM.china.huawei.com ([169.254.4.117]) with mapi id 14.03.0235.001; Fri, 9 Jun 2017 18:57:27 -0700 From: Huaimo Chen To: "pce@ietf.org" , "olivier.dugeon@orange.com" , "julien.meuric@orange.com" Thread-Topic: draft-dugeon-brpc-stateful Thread-Index: AQHS4YzoLHFmyAAsJUSx+yQa+SS/mg== Date: Sat, 10 Jun 2017 01:57:26 +0000 Message-ID: <5316A0AB3C851246A7CA5758973207D45017961C@SJCEML701-CHM.china.huawei.com> References: <3c2491d4-6178-dbed-4f9a-a076e5f87f3a@orange.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-cr-hashedpuzzle: AtRo A81O G1K+ IWLr L1m1 OwDV PjbY UaGG Wn19 WtI9 Xlru Y5HE bvNy eYcB fITk fcUR; 3; agB1AGwAaQBlAG4ALgBtAGUAdQByAGkAYwBAAG8AcgBhAG4AZwBlAC4AYwBvAG0AOwBvAGwAaQB2AGkAZQByAC4AZAB1AGcAZQBvAG4AQABvAHIAYQBuAGcAZQAuAGMAbwBtADsAcABjAGUAQABpAGUAdABmAC4AbwByAGcA; Sosha1_v1; 7; {A903074C-6B55-4E8A-901A-75DA3E9423B4}; aAB1AGEAaQBtAG8ALgBjAGgAZQBuAEAAaAB1AGEAdwBlAGkALgBjAG8AbQA=; Sat, 10 Jun 2017 01:52:45 GMT;ZAByAGEAZgB0AC0AZAB1AGcAZQBvAG4ALQBiAHIAcABjAC0AcwB0AGEAdABlAGYAdQBsAA== x-cr-puzzleid: {A903074C-6B55-4E8A-901A-75DA3E9423B4} x-originating-ip: [10.212.245.110] Content-Type: multipart/alternative; boundary="_000_5316A0AB3C851246A7CA5758973207D45017961CSJCEML701CHMchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020206.593B520F.00A9, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=169.254.3.56, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 293e44006300de8761f0a6caa6ad4c88 Archived-At: Subject: [Pce] draft-dugeon-brpc-stateful X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 10 Jun 2017 01:57:41 -0000 --_000_5316A0AB3C851246A7CA5758973207D45017961CSJCEML701CHMchi_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Olivier and Julien, Glad to have a small talk/discussion with Julian after his presentation in the last IETF. I read through your draft and think it is useful. In 2013, I posted draft-chen-pce-label-x-domains, https://datatracker.ietf.org/doc/draft-chen-pce-label-x-domains/ which proposes extensions to PCEP for distributing a label with an interface from a downstream domain to its upstream domain. This label and interface seem similar to (or equivalent to) to the stitching label and interface in your draft. In 2016, I submitted draft-chen-pce-h-sdns, https://datatracker.ietf.org/doc/draft-chen-pce-h-sdns/ which comprises distribution of the label and interface from a downstream domain to its upstream domain and set up of an end to end LSP through "stitching" local LSP segments using the label and interface by PCE as controller. For your draft, I have the following comments. 1) Term "Contiguous tunnels": In your draft, it seems that a "Contiguous tunnel" is an end to end LSP tunnel crossing domains which is signaled/created by RSVP-TE. Should the term be revised to "Contiguous RSVP-TE tunnels"? Or generalize the definition of the term without RSVP-TE? 2) Term "Stitching tunnels": In the definition of this term, there is a statement: "a second end-to-end RSVP-TE Path message is sent by the initiating domain to stitch the different tunnel parts to form the end-to-end LSP tunnel." Does this statement mean that RSVP-TE Path/RESV messages are exchanged between border nodes in two adjacent domains? If so, I think that the function of RSVP-TE may be replaced by some extensions of PCE in this case. 3) entry BN of domain(j) is called entry BN(j). Since entry BN of domain(j) is ingress BN of domain(j), it seems that BNi(j) is a more symbolized representation. 4) Exit BN of domain(j) is called exit BN(j). Since exit BN of domain(j) is egress BN of domain(j), or a BN from which the traffic goes out of domain(j), BNe(j) or BNo(j) seems a more symbolized representation. 5) It seems that your draft talks about LSP tunnels crossing multiple ASes and may not fit well for LSP tunnels crossing multiple IGP areas. For example, in your draft, the sticking label is an label from entry BN(j+1) and the input interface is the interface from exit BN(j) to entry BN(j+1). That is that any stitching label is from an entry BN, and any input interface associated with a stitching label is an interface from an exit BN to an entry BN. This may not fit for LSP tunnels crossing IGP areas. When an end to end LSP crossing two IGP (e.g., OSPF) areas [e.g., upstream area as domain(j), downstream area as domain(j+1)] connected by an ABR, this ABR is exit BN(j) and entry BN(j+1). That is that "exit BN(j)" =3D=3D "entry BN(j+1)". In this case, there is not any interface from "exit BN(j)" to "entry BN(j+1)"; there is not any stitching label from "entry BN(j+1)". The stitching label may be from the next hop of the ABR (i.e., "exit BN(j)"); the input interface associated with the stitching label is the interface from the ABR (i.e., "exit BN(j)") to the next hop of the ABR. The stitching label and input interface used for "connecting/stitching" two local LSP segments in your draft should be generalized to cover an end to end LSP crossing IGP areas. The following is a possible way for generalization, which is from our drafts. The sticking label is an label from the next hop of exit BN(j) and the input interface is the interface from exit BN(j) to the next hop of BN(j). For an end to end LSP crossing two ASes, the next hop of exit BN(j) is the entry BN(j+1). The above generalization fits well for the LSP crossing ASes. For an end to end LSP crossing two areas, the exit BN(j) is ABR; the stitching label is an label from the next hop of ABR [i.e., exit BN(j)] and the input interface is the interface from ABR [i.e., exit BN(j)] to the next hop of ABR. The above generalization fits well for the LSP crossing areas. 6) It seems that we may need to extend RSVP-TE in some way. One possible way to extend RSVP-TE is as follows: When it is requested to set up an LSP in a domain(j) from an ingress border node BNi(j) to an egress border node BNe(j) with stitching label SL and input/incoming interface if2 from BNe(j) to the next hop of BNe(j), it allocates an incoming label IL on BNe(j) and writes cross connect on BNe(j) using IL as incoming label and SL as outgoing label, if2 as outgoing interface. On BNi(j), RSVP-TE allocates an incoming label as SL1, gets the incoming interface if1 from the upstream node such as BNe(j-1) to BNi(j) along the path. It writes cross connect on BNi(j) using SL1 as incoming label. SL1 and if1 will be sent to the upstream domain for end to end LSP to cross the domain. The information needed for RSVP-TE includes: BNe(j-1), ERO containing path from BNi(j) to BNe(j), SL and if2 There are a few cases as follows: a) Destination AS (domain(n)) Input that PCC on BNi(n) receives: BNe(n-1), ERO containing path from BNi(n) to destination D Action on PCC: Sets up local LSP tunnel from BNi(n) to D along the path. This may be done through using RSVP-TE. A label Lnhn from the next hop NHn of BNi(n) and the interface if2nhn from BNi(n) to NHn need to be obtained. Allocates an incoming label as SLn on BNi(n), gets the incoming interface if2n from BNe(n-1) to BNi(n) as input interface. Writes cross connect on BNi(n) using SLn as incoming label, if2n as incoming interface, and Lnhn as outgoing label, if2nhn as outgoing interface. Sends a message containing SLn and If2n, and status of the LSP tunnel segment creation in domain(n). b) Intermediate AS (domain(j)) Input that PCC on BNi(j) [1 < j and j < n] receives: BNe(j-1), ERO containing path from BNi(j) to BNe(j), where BNi(j) is the ingress and BNe(j) is the egress of the local LSP segment in domain(j); SLk and if2k, where k=3Dj+1, SLk is the stitching label allocated on BNi(k), if2k is the input interface from BNe(j) to BNi(k). Action on PCC: Sets up local LSP tunnel segment from BNi(j) to BNe(j) along the path. In addition, the segment needs to be stitched to the LSP tunnel segment in domain(k) using label SLk and interface if2k on BNe(j). This may be done using RSVP-TE with some extensions. A label Lnhj from the next hop NHj of BNi(j) and the interface if2nhj from BNi(j) to NHj need to be obtained. Allocates an incoming label as SLj on BNi(j), gets the incoming interface if2j from BNe(j-1) to BNi(j). Writes cross connect on BNi(j) using SLj as incoming label, if2j as incoming interface, and Lnhj as outgoing label, if2nhj as outgoing interface. Sends a message containing SLj and If2j, and status of the LSP tunnel segment creation in domain(j). c) Source AS (domain(1)) Input that PCC on source S or BNi(1) receives: ERO containing path from BNi(1) to BNe(1), where BNi(1) is the ingress and BNe(1) is the egress of the local LSP tunnel segment in domain(1); SLk and if2k, where k=3D2, SLk is the stitching label allocated on BNi(2), if2k is the interface from BNe(1) to BNi(2). Action on PCC: Sets up local LSP tunnel segment from BNi(1) to BNe(1) along the path. In addition, the segment needs to be stitched to the LSP tunnel segment in domain(2) using label SLk and interface if2k on BNe(1). This may be done using RSVP-TE with some extensions. Sends status of the tunnel segment creation in domain(1). d) Destination Area: domain(n) Input that PCC on BNi(n) receives: ERO containing path from BNi(n) to destination D Action on PCC: Sets up local LSP tunnel from BNi(n) to D along the path. This may be done through using RSVP-TE. A label Lnhn from the next hop NHn of BNi(n) and the interface if2nhn from BNi(n) to NHn need to be obtained. Sends a message containing Lnhn as SLn and if2nhn as If2n, and status of the LSP tunnel segment creation in domain(n). e) Intermediate Area: domain(j) Input that PCC on BNi(j) [1 < j and j < n] receives: ERO containing path from BNi(j) to BNe(j), where BNi(j) is the ingress and BNe(j) is the egress of the LSP tunnel segment in domain(j); SLk and if2k, where k=3Dj+1, SLk is the stitching label allocated on the next hop NHj of BNe(j), if2k is the interface from BNe(j) to NHj. Action on PCC: Sets up LSP tunnel segment from BNi(j) to BNe(j) along the path. In addition, the segment needs to be stitched to the LSP tunnel segment in domain(k) using label SLk and interface if2k on BNe(j). This may be done using RSVP-TE with some extensions. A label Lnhij from the next hop NHij of BNi(j) and the interface if2nhij from BNi(j) to NHij need to be obtained. Sends a message containing Lnhij as SLj and if2nhij as If2j, and status of the LSP tunnel segment creation in domain(j). f) Source Area: domain(1) Input that PCC on source S or BNi(1) receives: ERO containing path from BNi(1) to BNe(1), where BNi(1) is the ingress and BNe(1) is the egress of the LSP tunnel segment in domain(1); SLk and if2k, where k=3D2, SLk is the stitching label allocated on the next hop NH1 of BNe(1), if2k is the interface from BNe(1) to NH1. Action on PCC: Sets up LSP tunnel segment from BNi(1) to BNe(1) along the path. In addition, the segment needs to be stitched to the LSP tunnel segment in domain(2) using label SLk and interface if2k on BNe(1). This may be done using RSVP-TE with some extensions. Sends status of the tunnel segment creation in domain(1). Best Regards, Huaimo --_000_5316A0AB3C851246A7CA5758973207D45017961CSJCEML701CHMchi_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi Olivier and Julien,

 

    Glad to have a small talk/disc= ussion with Julian

after his presentation in the last IETF.

 

    I read through your draft and = think it is useful.

 

    In 2013, I posted draft-chen-p= ce-label-x-domains,

https://datatracker.ietf.org/doc/draft-chen-pce-l= abel-x-domains/

which proposes extensions to PCEP for distributin= g

a label with an interface from a downstream domai= n

to its upstream domain. This label and interface = seem

similar to (or equivalent to) to the stitching la= bel

and interface in your draft.

 

    In 2016, I submitted draft-che= n-pce-h-sdns,

https://datatracker.ietf.org/doc/draft-chen-pce-h= -sdns/

which comprises distribution of the label and int= erface

from a downstream domain to its upstream domain <= o:p>

and set up of an end to end LSP through "sti= tching"

local LSP segments using the label and interface =

by PCE as controller.

 

 

    For your draft, I have the fol= lowing comments.

 

    1) Term "Contiguous tunne= ls":

    In your draft, it seems that a= "Contiguous tunnel" is

an end to end LSP tunnel crossing domains which i= s

signaled/created by RSVP-TE.

Should the term be revised to "Contiguous RS= VP-TE tunnels"?

Or generalize the definition of the term without<= o:p>

RSVP-TE?

 

    2) Term "Stitching tunnel= s":

    In the definition of this term= , there is a statement:

"a second end-to-end RSVP-TE Path message is= sent by the

initiating domain to stitch the different tunnel = parts

to form the end-to-end LSP tunnel."

Does this statement mean that RSVP-TE Path/RESV m= essages

are exchanged between border nodes in two adjacen= t domains?

If so, I think that the function of RSVP-TE may b= e

replaced by some extensions of PCE in this case.<= o:p>

 

    3) entry BN of domain(j) is ca= lled entry BN(j).

Since entry BN of domain(j) is ingress BN of doma= in(j),

it seems that BNi(j) is a more symbolized represe= ntation.

 

    4) Exit BN of domain(j) is cal= led exit BN(j).

Since exit BN of domain(j) is egress BN of domain= (j),

or a BN from which the traffic goes out of domain= (j),

BNe(j) or BNo(j) seems a more symbolized represen= tation.

 

 

    5) It seems that your draft ta= lks about LSP tunnels

crossing multiple ASes and may not fit well for <= o:p>

LSP tunnels crossing multiple IGP areas.

 

    For example, in your draft,

the sticking label is an label from entry BN(j= 3;1) and

the input interface is the interface from

exit BN(j) to entry BN(j+1).

That is that any stitching label is from an entry= BN,

and any input interface associated with a stitchi= ng label

is an interface from an exit BN to an entry BN.

This may not fit for LSP tunnels crossing IGP are= as.

 

    When an end to end LSP crossin= g two IGP (e.g., OSPF) areas

[e.g., upstream area as domain(j), downstream are= a as domain(j+1)]

connected by an ABR, this ABR is exit BN(j) and e= ntry BN(j+1).

That is that "exit BN(j)" =3D=3D "= entry BN(j+1)".

In this case, there is not any interface from

"exit BN(j)" to "entry BN(j+1)= ";

there is not any stitching label from "entry= BN(j+1)".

 

    The stitching label may be fro= m the next hop of the ABR

(i.e., "exit BN(j)"); the input interfa= ce associated with

the stitching label is the interface from the ABR=

(i.e., "exit BN(j)") to the next hop of= the ABR.

 

    The stitching label and input = interface used for

"connecting/stitching" two local LSP se= gments in your draft

should be generalized to cover an end to end LSP = crossing

IGP areas.

 

    The following is a possible wa= y for generalization,

which is from our drafts.

 

   The sticking label is an label from = the next hop of exit BN(j)

and the input interface is the interface from

exit BN(j) to the next hop of BN(j).

 

    For an end to end LSP crossing= two ASes,

the next hop of exit BN(j) is the entry BN(j+= 1).

The above generalization fits well for the LSP cr= ossing ASes.

 

    For an end to end LSP crossing= two areas,

the exit BN(j) is ABR; the stitching label is

an label from the next hop of ABR [i.e., exit BN(= j)] and

the input interface is the interface from

ABR [i.e., exit BN(j)] to the next hop of ABR.

The above generalization fits well for the LSP cr= ossing areas.

 

 

    6) It seems that we may need t= o extend RSVP-TE in some way.

One possible way to extend RSVP-TE is as follows:=

 

    When it is requested to set up= an LSP in a domain(j) from

an ingress border node BNi(j) to an egress border= node BNe(j)

with stitching label SL and input/incoming interf= ace if2

from BNe(j) to the next hop of BNe(j),=

it allocates an incoming label IL on BNe(j) and w= rites

cross connect on BNe(j) using IL as incoming labe= l and

SL as outgoing label, if2 as outgoing interface.<= o:p>

 

    On BNi(j), RSVP-TE allocates a= n incoming label as SL1,

gets the incoming interface if1 from the upstream= node

such as BNe(j-1) to BNi(j) along the path. <= /o:p>

It writes cross connect on BNi(j) using SL1 as in= coming

label. SL1 and if1 will be sent to the upstream d= omain

for end to end LSP to cross the domain.

 

    The information needed for RSV= P-TE includes:

BNe(j-1), ERO containing path from BNi(j) to BNe(= j),

SL and if2

 

    There are a few cases as follo= ws:

 

a) Destination AS (domain(n))

  Input that PCC on BNi(n) receives:

    BNe(n-1), ERO containing path = from BNi(n) to destination D

  Action on PCC:

    Sets up local LSP tunnel from = BNi(n) to D along the path.

    This may be done through using= RSVP-TE.

 

    A label Lnhn from the next hop= NHn of BNi(n) and

    the interface if2nhn from BNi(= n) to NHn need to be obtained.

 

    Allocates an incoming label as= SLn on BNi(n),

    gets the incoming interface if= 2n from BNe(n-1) to BNi(n)

    as input interface.=

 

    Writes cross connect on BNi(n)= using SLn as incoming label,

    if2n as incoming interface, an= d

    Lnhn as outgoing label, if2nhn= as outgoing interface.

   

    Sends a message containing SLn= and If2n,

    and status of the LSP tunnel s= egment creation in domain(n).

 

b) Intermediate AS (domain(j))

  Input that PCC on BNi(j) [1 < j and j &= lt; n] receives:

    BNe(j-1), ERO containing path = from BNi(j) to BNe(j),

    where BNi(j) is the ingress an= d BNe(j) is the egress

    of the local LSP segment in do= main(j);

    SLk and if2k, where k=3Dj+= 1,

    SLk is the stitching label all= ocated on BNi(k),

    if2k is the input interface fr= om BNe(j) to BNi(k).

 

  Action on PCC:

    Sets up local LSP tunnel segme= nt from BNi(j) to BNe(j)

    along the path.

    In addition, the segment needs= to be stitched to

    the LSP tunnel segment in doma= in(k) using

    label SLk and interface if2k o= n BNe(j).

 

    This may be done using RSVP-TE= with some extensions.

 

    A label Lnhj from the next hop= NHj of BNi(j) and

    the interface if2nhj from BNi(= j) to NHj need to be obtained.

 

    Allocates an incoming label as= SLj on BNi(j),

    gets the incoming interface if= 2j from BNe(j-1) to BNi(j).

 

    Writes cross connect on BNi(j)= using SLj as incoming label,

    if2j as incoming interface, an= d

    Lnhj as outgoing label, if2nhj= as outgoing interface.

   

    Sends a message containing SLj= and If2j,

    and status of the LSP tunnel s= egment creation in domain(j).

 

 

c) Source AS (domain(1))

  Input that PCC on source S or BNi(1) recei= ves:

    ERO containing path from BNi(1= ) to BNe(1),

    where BNi(1) is the ingress an= d BNe(1) is the egress

    of the local LSP tunnel segmen= t in domain(1);

    SLk and if2k, where k=3D2,

    SLk is the stitching label all= ocated on BNi(2),

    if2k is the interface from BNe= (1) to BNi(2).

 

  Action on PCC:

    Sets up local LSP tunnel segme= nt from BNi(1) to BNe(1)

    along the path.

    In addition, the segment needs= to be stitched to

    the LSP tunnel segment in doma= in(2) using

    label SLk and interface if2k o= n BNe(1).

 

    This may be done using RSVP-TE= with some extensions.

 

    Sends status of the tunnel seg= ment creation in domain(1).

 

 

d) Destination Area: domain(n)

  Input that PCC on BNi(n) receives:

    ERO containing path from BNi(n= ) to destination D

  Action on PCC:

    Sets up local LSP tunnel from = BNi(n) to D along the path.

    This may be done through using= RSVP-TE.

 

    A label Lnhn from the next hop= NHn of BNi(n) and

    the interface if2nhn from BNi(= n) to NHn need to be obtained.

   

    Sends a message containing Lnh= n as SLn and if2nhn as If2n,

    and status of the LSP tunnel s= egment creation in domain(n).

 

e) Intermediate Area: domain(j)

 

  Input that PCC on BNi(j) [1 < j and j &= lt; n] receives:

    ERO containing path from BNi(j= ) to BNe(j),

    where BNi(j) is the ingress an= d BNe(j) is the egress

    of the LSP tunnel segment in d= omain(j);

    SLk and if2k, where k=3Dj+= 1,

    SLk is the stitching label all= ocated on the next hop NHj of BNe(j),

    if2k is the interface from BNe= (j) to NHj.

 

  Action on PCC:

    Sets up LSP tunnel segment fro= m BNi(j) to BNe(j)

    along the path.

    In addition, the segment needs= to be stitched to

    the LSP tunnel segment in doma= in(k) using

    label SLk and interface if2k o= n BNe(j).

 

    This may be done using RSVP-TE= with some extensions.

 

    A label Lnhij from the next ho= p NHij of BNi(j) and

    the interface if2nhij from BNi= (j) to NHij need to be obtained.

  

    Sends a message containing Lnh= ij as SLj and if2nhij as If2j,

    and status of the LSP tunnel s= egment creation in domain(j).

 

f) Source Area: domain(1)

  Input that PCC on source S or BNi(1) recei= ves:

    ERO containing path from BNi(1= ) to BNe(1),

    where BNi(1) is the ingress an= d BNe(1) is the egress

    of the LSP tunnel segment in d= omain(1);

    SLk and if2k, where k=3D2,

    SLk is the stitching label all= ocated on the next hop NH1 of BNe(1),

    if2k is the interface from BNe= (1) to NH1.

 

  Action on PCC:

    Sets up LSP tunnel segment fro= m BNi(1) to BNe(1)

    along the path.

    In addition, the segment needs= to be stitched to

    the LSP tunnel segment in doma= in(2) using

    label SLk and interface if2k o= n BNe(1).

 

    This may be done using RSVP-TE= with some extensions.

 

    Sends status of the tunnel seg= ment creation in domain(1).

 

 

Best Regards,

Huaimo

--_000_5316A0AB3C851246A7CA5758973207D45017961CSJCEML701CHMchi_-- From nobody Mon Jun 12 08:00:21 2017 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 8F1EE12EB2F; Mon, 12 Jun 2017 08:00:12 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: IETF Secretariat To: Cc: pce@ietf.org, ipr-announce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.54.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149727961257.10365.7137435842240150705@ietfa.amsl.com> Date: Mon, 12 Jun 2017 08:00:12 -0700 Archived-At: Subject: [Pce] IPR Disclosure Huawei Technologies Co., Ltd's Statement about IPR related to RFC 7449 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Jun 2017 15:00:13 -0000 Dear Young Lee, Greg Bernstein, Jonas Martensson, Tomonori Takeda, Takehiro Tsuritani, Oscar Gonzalez de Dios: An IPR disclosure that pertains to your RFC entitled "Path Computation Element Communication Protocol (PCEP) Requirements for Wavelength Switched Optical Network (WSON) Routing and Wavelength Assignment" (RFC7449) was submitted to the IETF Secretariat on and has been posted on the "IETF Page of Intellectual Property Rights Disclosures" (https://datatracker.ietf.org/ipr/3012/). The title of the IPR disclosure is "Huawei Technologies Co.,Ltd's Statement about IPR related to RFC 7449" Thank you IETF Secretariat From nobody Wed Jun 14 18:25:41 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6721F128D69; Wed, 14 Jun 2017 18:25:38 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.22 X-Spam-Level: X-Spam-Status: No, score=-4.22 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Zb4RlSsPRIGu; Wed, 14 Jun 2017 18:25:36 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id CDE03128D64; Wed, 14 Jun 2017 18:25:35 -0700 (PDT) Received: from 172.18.7.190 (EHLO lhreml705-cah.china.huawei.com) ([172.18.7.190]) by lhrrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DPD34529; Thu, 15 Jun 2017 01:25:33 +0000 (GMT) Received: from DGGEML405-HUB.china.huawei.com (10.3.17.49) by lhreml705-cah.china.huawei.com (10.201.108.46) with Microsoft SMTP Server (TLS) id 14.3.301.0; Thu, 15 Jun 2017 02:25:33 +0100 Received: from DGGEML501-MBS.china.huawei.com ([169.254.4.79]) by dggeml405-hub.china.huawei.com ([10.3.17.49]) with mapi id 14.03.0301.000; Thu, 15 Jun 2017 09:25:29 +0800 From: Fatai Zhang To: Jonathan Hardwick , "pce@ietf.org" CC: "draft-dhodylee-pce-stateful-hpce@ietf.org" , "pce-chairs@ietf.org" Thread-Topic: Poll for adoption: draft-dhodylee-pce-stateful-hpce Thread-Index: AdLa0aGL5Y7zF15+Sq6ccQ15ZLSQkAKpJNwQ Date: Thu, 15 Jun 2017 01:25:29 +0000 Message-ID: References: In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.74.162.94] Content-Type: multipart/alternative; boundary="_000_F82A4B6D50F9464B8EBA55651F541CF8AB5358AADGGEML501MBSchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020203.5941E20E.004A, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=169.254.4.79, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 3b860c659e5861a88c10b7e7198bebab Archived-At: Subject: [Pce] =?gb2312?b?tPC4tDogUG9sbCBmb3IgYWRvcHRpb246IGRyYWZ0LWRob2R5?= =?gb2312?b?bGVlLXBjZS1zdGF0ZWZ1bC1ocGNl?= X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Jun 2017 01:25:38 -0000 --_000_F82A4B6D50F9464B8EBA55651F541CF8AB5358AADGGEML501MBSchi_ Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 DQpZZXMvc3VwcG9ydC4NCg0KDQoNCg0KVGhhbmtzDQoNCkZhdGFpDQoNCreivP7IyzogUGNlIFtt YWlsdG86cGNlLWJvdW5jZXNAaWV0Zi5vcmddILT6se0gSm9uYXRoYW4gSGFyZHdpY2sNCreiy83K sbzkOiAyMDE3xOo21MIxyNUgMjA6MjUNCsrVvP7IyzogcGNlQGlldGYub3JnDQqzrcvNOiBkcmFm dC1kaG9keWxlZS1wY2Utc3RhdGVmdWwtaHBjZUBpZXRmLm9yZzsgcGNlLWNoYWlyc0BpZXRmLm9y Zw0K1vfM4jogW1BjZV0gUG9sbCBmb3IgYWRvcHRpb246IGRyYWZ0LWRob2R5bGVlLXBjZS1zdGF0 ZWZ1bC1ocGNlDQoNCkFsbCwNCg0KVGhpcyBpcyB0aGUgc3RhcnQgb2YgYSB0d28gd2VlayBwb2xs IG9uIG1ha2luZyBkcmFmdC1kaG9keWxlZS1wY2Utc3RhdGVmdWwtaHBjZS0wMyBhIFBDRSB3b3Jr aW5nIGdyb3VwIGRvY3VtZW50Lg0KaHR0cHM6Ly9kYXRhdHJhY2tlci5pZXRmLm9yZy9kb2MvZHJh ZnQtZGhvZHlsZWUtcGNlLXN0YXRlZnVsLWhwY2UvDQoNCg0KUGxlYXNlIHJldmlldyB0aGUgZHJh ZnQgYW5kIHNlbmQgYW4gZW1haWwgdG8gdGhlIGxpc3QgaW5kaWNhdGluZyChsHllcy9zdXBwb3J0 obEgb3IgobBuby9kbyBub3Qgc3VwcG9ydKGxLiAgSWYgaW5kaWNhdGluZyBubywgcGxlYXNlIHN0 YXRlIHlvdXIgcmVhc29ucy4gIElmIHllcywgcGxlYXNlIGFsc28gZmVlbCBmcmVlIHRvIHByb3Zp ZGUgY29tbWVudHMgeW91J2QgbGlrZSB0byBzZWUgYWRkcmVzc2VkIG9uY2UgdGhlIGRvY3VtZW50 IGlzIGEgV0cgZG9jdW1lbnQuDQoNCg0KDQpUaGUgcG9sbCBlbmRzIG9uIFRodXJzZGF5LCBKdW5l IDE1Lg0KDQoNCg0KTWFueSB0aGFua3MsDQpKb24NCg0K --_000_F82A4B6D50F9464B8EBA55651F541CF8AB5358AADGGEML501MBSchi_ Content-Type: text/html; charset="gb2312" Content-Transfer-Encoding: quoted-printable

 

Yes/support.

 

&n= bsp;

&n= bsp;

&n= bsp;

Thanks<= o:p>

&n= bsp;

Fatai

 

=B7=A2=BC=FE=C8=CB: Pce [mailto:pce-bounc= es@ietf.org] =B4=FA=B1=ED = Jonathan Hardwick
=B7=A2=CB=CD= =CA=B1=BC=E4: 2017=C4=EA6=D4=C2<= span lang=3D"EN-US">1=C8=D5 20:25
=CA=D5=BC=FE=C8=CB: pce@ietf.org
=B3=AD=CB=CD: draft-dhodylee-pce-stateful-hpce@ietf.org; pce-chairs@ietf.org
=D6=F7=CC=E2: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce

 

All,

 

This is the start of a two week= poll on making draft-dhodylee-pce-stateful-hpce-03 a PCE working group doc= ument.

https://datatracker.ietf.or= g/doc/draft-dhodylee-pce-stateful-hpce/

 

Please review the draft and = send an email to the list indicating =A1=B0yes/support=A1=B1 or =A1=B0no/do= not support=A1=B1.  If indicating no, please state your reasons. = ; 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 on Thursday, J= une 15.

 

Many thanks,

Jon

 

--_000_F82A4B6D50F9464B8EBA55651F541CF8AB5358AADGGEML501MBSchi_-- From nobody Wed Jun 14 18:37:51 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A9853129469; Wed, 14 Jun 2017 18:37:49 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.201 X-Spam-Level: X-Spam-Status: No, score=-4.201 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id C6UWmu3KfQ9G; Wed, 14 Jun 2017 18:37:47 -0700 (PDT) Received: from post-send.kddi.com (athena2.kddi.com [27.90.165.195]) by ietfa.amsl.com (Postfix) with ESMTP id A6E93129470; Wed, 14 Jun 2017 18:37:47 -0700 (PDT) Received: from LTMC2121.kddi.com (LTMC2121.kddi.com [10.206.0.61]) by post-send.kddi.com (KDDI Mail) with ESMTP id 7A4D8E002C; Thu, 15 Jun 2017 10:37:46 +0900 (JST) Received: from LTMC2146.kddi.com ([10.206.0.236] [10.206.0.236]) by LTMC2121.kddi.com with ESMTP; Thu, 15 Jun 2017 10:37:46 +0900 Received: from LTMC2146.kddi.com (localhost [127.0.0.1]) by localhost.kddi.com (Postfix) with ESMTP id 542D430005D; Thu, 15 Jun 2017 10:37:46 +0900 (JST) Received: from LTMC2154.kddi.com (post-incheck [10.206.0.239]) by LTMC2146.kddi.com (Postfix) with ESMTP id 48D14300051; Thu, 15 Jun 2017 10:37:46 +0900 (JST) Received: from LTMC2154.kddi.com (localhost.localdomain [127.0.0.1]) by LTMC2154.kddi.com with ESMTP id v5F1bjL4099304; Thu, 15 Jun 2017 10:37:46 +0900 Received: from LTMC2154.kddi.com.mid_6689406 (localhost.localdomain [127.0.0.1]) by LTMC2154.kddi.com with ESMTP id v5F1Rg1u087410; Thu, 15 Jun 2017 10:27:42 +0900 X-SA-MID: 6689406 Received: from KDDI1312PC0461 ([10.210.106.177] [10.210.106.177]) by post-smtp2.kddi.com with ESMTPA; Thu, 15 Jun 2017 10:27:42 +0900 From: "Takuya Miyasaka" To: "'Jonathan Hardwick'" , Cc: , References: In-Reply-To: Date: Thu, 15 Jun 2017 10:27:42 +0900 Message-ID: <00df01d2e576$956c2580$c0447080$@kddi.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQEvMLXyHI/q9aEJN2EkPvUs0OtJrqNsi3jg Content-Language: ja X-TM-AS-MML: disable Archived-At: Subject: Re: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Jun 2017 01:37:50 -0000 Yes/support Regards, Takuya > -----Original Message----- > All, > > > > This is the start of a two week poll on making draft-dhodylee-pce-stateful-hpce-03 a PCE working group document. > > https://datatracker.ietf.org/doc/draft-dhodylee-pce-stateful-hpce/ > > > > Please review the draft and send an email to the list indicating "yes/support" or "no/do not support". If indicating > no, please state your reasons. 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 on Thursday, June 15. > > > > Many thanks, > > Jon > > From nobody Wed Jun 14 22:50:12 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 41F9E126DED; Wed, 14 Jun 2017 22:50:11 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.889 X-Spam-Level: X-Spam-Status: No, score=-1.889 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, T_SPF_PERMERROR=0.01, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id S_RMwsxDEvx0; Wed, 14 Jun 2017 22:50:08 -0700 (PDT) Received: from cica-lavadora-l1mail1v.puc.rediris.es (ci-l1mail1v-out05a.puc.rediris.es [IPv6:2001:720:418:ca02::15]) (using TLSv1.2 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 5FB2D1252BA; Wed, 14 Jun 2017 22:50:06 -0700 (PDT) X-IPAS-Result: =?us-ascii?q?A+BwAAAOH0JZjLBAASCH4YnAINCAz3+P8oj2FF0cAQEEAQE?= =?us-ascii?q?KAQGDEIEqgQ2DdooYkVYilgaCBwohC4V4AoJUPxgBAgEBAQEBAQETAQEBJleFG?= =?us-ascii?q?QEBAQIBAQEhDwEFNhsLDQ0CJgICJzAHDAYCAQGKIAkDAQurUIImJgKLJgELASW?= =?us-ascii?q?BC4VXgWArC4JrhDsSAYMugmEFnkeCFIUYjCcCggWFRoNLF4UfgT2MOohBHzeBA?= =?us-ascii?q?AtRgQCFHIF0dIdLgjABAQE?= X-IronPort-AV: E=Sophos;i="5.39,342,1493676000"; d="scan'208";a="66676522" Received: from unknown (HELO leo.cttc.es) ([IPv6:2001:40b0:7c22:6020:a00:27ff:fe42:3b14]) by smtpout.puc.rediris.es with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Jun 2017 07:49:44 +0200 Received: from [84.88.61.50] (unknown [84.88.61.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by leo.cttc.es (Postfix) with ESMTPSA id E17921FDD0; Thu, 15 Jun 2017 07:49:43 +0200 (CEST) To: pce@ietf.org, draft-dhodylee-pce-stateful-hpce@ietf.org References: <00df01d2e576$956c2580$c0447080$@kddi.com> From: Ramon Casellas Message-ID: <89375321-0c29-bede-d8e2-a2b9f3f0dd6c@cttc.es> Date: Thu, 15 Jun 2017 07:49:42 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:54.0) Gecko/20100101 Thunderbird/54.0 MIME-Version: 1.0 In-Reply-To: <00df01d2e576$956c2580$c0447080$@kddi.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Archived-At: Subject: Re: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Jun 2017 05:50:11 -0000 Hi all, Yes, support. Thanks Ramon >> All, >> >> >> >> This is the start of a two week poll on making draft-dhodylee-pce-stateful-hpce-03 a PCE working group document. >> >> https://datatracker.ietf.org/doc/draft-dhodylee-pce-stateful-hpce/ >> >> >> >> Please review the draft and send an email to the list indicating "yes/support" or "no/do not support". If indicating >> no, please state your reasons. 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 on Thursday, June 15. >> >> >> >> Many thanks, >> >> Jon >> >> > > > _______________________________________________ > Pce mailing list > Pce@ietf.org > https://www.ietf.org/mailman/listinfo/pce -- Ramon Casellas, Ph.D. -- Senior Researcher -- Networks Division Optical Networks and Systems Department -- http://www.cttc.es/people/rcasellas/ CTTC - Centre Tecnològic de Telecomunicacions de Catalunya Parc Mediterrani de la Tecnologia (PMT) - Edifici B4 Av. Carl Friedrich Gauss, 7 - 08860 Castelldefels (Barcelona) - Spain Tel.: +34 93 645 29 00 ext 2168 -- Fax. +34 93 645 29 01 From nobody Wed Jun 14 22:54:47 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1980112751F; Wed, 14 Jun 2017 22:54:46 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.221 X-Spam-Level: X-Spam-Status: No, score=-4.221 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id IhB5CcAevNe2; Wed, 14 Jun 2017 22:54:44 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C5F0912741D; Wed, 14 Jun 2017 22:54:43 -0700 (PDT) Received: from 172.18.7.190 (EHLO LHREML711-CAH.china.huawei.com) ([172.18.7.190]) by lhrrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DPD64494; Thu, 15 Jun 2017 05:54:41 +0000 (GMT) Received: from NKGEML412-HUB.china.huawei.com (10.98.56.73) by LHREML711-CAH.china.huawei.com (10.201.108.34) with Microsoft SMTP Server (TLS) id 14.3.301.0; Thu, 15 Jun 2017 06:54:40 +0100 Received: from NKGEML515-MBX.china.huawei.com ([fe80::a54a:89d2:c471:ff]) by nkgeml412-hub.china.huawei.com ([10.98.56.73]) with mapi id 14.03.0235.001; Thu, 15 Jun 2017 13:54:36 +0800 From: Sureshbr To: "pce@ietf.org" , "draft-dhodylee-pce-stateful-hpce@ietf.org" Thread-Topic: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce Thread-Index: AdLa0aGL5Y7zF15+Sq6ccQ15ZLSQkAKYeWQAAAkmdgAAEOPXQA== Date: Thu, 15 Jun 2017 05:54:27 +0000 Message-ID: <14A81F29DC91904A8FBB7B3BE4CFF64E70303CC7@NKGEML515-MBX.china.huawei.com> References: <00df01d2e576$956c2580$c0447080$@kddi.com> <89375321-0c29-bede-d8e2-a2b9f3f0dd6c@cttc.es> In-Reply-To: <89375321-0c29-bede-d8e2-a2b9f3f0dd6c@cttc.es> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.18.244.231] Content-Type: text/plain; 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i="5.39,342,1493676000"; d="scan'208,217"; a="40923459" Received: from leo.cttc.es ([84.88.62.208]) by smtpout.puc.rediris.es with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Jun 2017 08:43:05 +0200 Received: from [10.1.16.59] (pcrvilalta.cttc.es [10.1.16.59]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by leo.cttc.es (Postfix) with ESMTPSA id EB3E61FDD0; Thu, 15 Jun 2017 08:43:04 +0200 (CEST) To: pce@ietf.org, draft-dhodylee-pce-stateful-hpce@ietf.org References: <00df01d2e576$956c2580$c0447080$@kddi.com> <89375321-0c29-bede-d8e2-a2b9f3f0dd6c@cttc.es> <14A81F29DC91904A8FBB7B3BE4CFF64E70303CC7@NKGEML515-MBX.china.huawei.com> From: Ricard Vilalta Message-ID: Date: Thu, 15 Jun 2017 08:46:16 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/alternative; boundary="------------4FCA9C1A0238789C84674537" Content-Language: en-US Archived-At: Subject: [Pce] Fwd: Poll for adoption: draft-dhodylee-pce-stateful-hpce X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Jun 2017 06:43:36 -0000 This is a multi-part message in MIME format. --------------4FCA9C1A0238789C84674537 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Yes/support. BR, Ricard ---------- Forwarded message ---------- From: *Sureshbr* > Date: Thu, Jun 15, 2017 at 7:54 AM Subject: Re: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce To: "pce@ietf.org " >, "draft-dhodylee-pce-stateful-hpce@ietf.org " > Support. Regards Suresh > > -----Original Message----- > From: Pce [mailto:pce-bounces@ietf.org ] > On Behalf Of Ramon Casellas > Sent: 15 June 2017 13:50 > To: pce@ietf.org ; > draft-dhodylee-pce-stateful-hpce@ietf.org > > Subject: Re: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce > > Hi all, > > Yes, support. > > Thanks > Ramon > > >> All, > >> > >> > >> > >> This is the start of a two week poll on making > draft-dhodylee-pce-stateful-hpce-03 a PCE working group document. > >> > >> https://datatracker.ietf.org/doc/draft-dhodylee-pce-stateful-hpce/ > > >> > >> > >> > >> Please review the draft and send an email to the list indicating > >> "yes/support" or "no/do not support". If indicating no, please state > >> your reasons. 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 on Thursday, June 15. > >> > >> > >> > >> Many thanks, > >> > >> Jon > >> > >> > > > > > > _______________________________________________ > > Pce mailing list > > Pce@ietf.org > > https://www.ietf.org/mailman/listinfo/pce > > > > -- > Ramon Casellas, Ph.D. -- Senior Researcher -- Networks Division > Optical Networks and Systems Department -- > http://www.cttc.es/people/rcasellas/ > > CTTC - Centre Tecnològic de Telecomunicacions de Catalunya Parc > Mediterrani de la Tecnologia (PMT) - Edifici B4 Av. Carl Friedrich > Gauss, 7 - 08860 Castelldefels (Barcelona) - Spain > Tel.: +34 93 645 29 00 ext 2168 > -- Fax. +34 93 645 29 01 > > > _______________________________________________ > Pce mailing list > Pce@ietf.org > https://www.ietf.org/mailman/listinfo/pce > > _______________________________________________ > Pce mailing list > Pce@ietf.org > https://www.ietf.org/mailman/listinfo/pce > > -- Dr. Ricard Vilalta Senior Researcher Optical Networks and Systems Department Centre Tecnològic de Telecomunicacions de Catalunya (CTTC/CERCA). --------------4FCA9C1A0238789C84674537 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit

Yes/support.

BR,

Ricard

---------- Forwarded message ----------
From: Sureshbr <Suresh.b.r@huawei.com>
Date: Thu, Jun 15, 2017 at 7:54 AM
Subject: Re: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce
To: "pce@ietf.org" <pce@ietf.org>, "draft-dhodylee-pce-stateful-hpce@ietf.org" <draft-dhodylee-pce-stateful-hpce@ietf.org>

Support.

Regards
Suresh

-----Original Message-----
From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Ramon Casellas
Sent: 15 June 2017 13:50
To: pce@ietf.org; draft-dhodylee-pce-stateful-hpce@ietf.org
Subject: Re: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce

Hi all,

Yes, support.

Thanks
Ramon

>> All,
>>
>>
>>
>> This is the start of a two week poll on making draft-dhodylee-pce-stateful-hpce-03 a PCE working group document.
>>
>> https://datatracker.ietf.org/doc/draft-dhodylee-pce-stateful-hpce/
>>
>>
>>
>> Please review the draft and send an email to the list indicating
>> "yes/support" or "no/do not support".  If indicating no, please state
>> your reasons.  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 on Thursday, June 15.
>>
>>
>>
>> Many thanks,
>>
>> Jon
>>
>>
>
>
> _______________________________________________
> Pce mailing list
> Pce@ietf.org
> https://www.ietf.org/mailman/listinfo/pce


--
Ramon Casellas, Ph.D. -- Senior Researcher -- Networks Division Optical Networks and Systems Department -- http://www.cttc.es/people/rcasellas/
CTTC - Centre Tecnològic de Telecomunicacions de Catalunya Parc Mediterrani de la Tecnologia (PMT) - Edifici B4 Av. Carl Friedrich Gauss, 7 - 08860 Castelldefels (Barcelona) - Spain
Tel.: +34 93 645 29 00 ext 2168 -- Fax. +34 93 645 29 01

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


-- 

Dr. Ricard Vilalta
Senior Researcher
Optical Networks and Systems Department
Centre Tecnològic de Telecomunicacions de Catalunya (CTTC/CERCA).
--------------4FCA9C1A0238789C84674537-- From nobody Thu Jun 15 00:11:32 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 9C4A51294EE; Thu, 15 Jun 2017 00:11:30 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.7 X-Spam-Level: X-Spam-Status: No, score=-4.7 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-2.8, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=nokia.onmicrosoft.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bydhgRUhJ0vi; Thu, 15 Jun 2017 00:11:28 -0700 (PDT) Received: from EUR01-VE1-obe.outbound.protection.outlook.com (mail-ve1eur01on0101.outbound.protection.outlook.com [104.47.1.101]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id AD29B1270A7; 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DIR:OUT; SFP:1102; SCL:1; SRVR:DB3PR07MB0698; H:DB3PR07MB0588.eurprd07.prod.outlook.com; FPR:; SPF:None; MLV:sfv; LANG:en; spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: multipart/alternative; boundary="_000_DB3PR07MB058832BF484234407966095091C00DB3PR07MB0588eurp_" MIME-Version: 1.0 X-OriginatorOrg: nokia.com X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Jun 2017 07:11:24.9860 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5d471751-9675-428d-917b-70f44f9630b0 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB3PR07MB0698 Archived-At: Subject: Re: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Jun 2017 07:11:31 -0000 --_000_DB3PR07MB058832BF484234407966095091C00DB3PR07MB0588eurp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable yes/support Thanks sergio From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Jonathan Hardwick Sent: Thursday, June 01, 2017 2:25 PM To: pce@ietf.org Cc: draft-dhodylee-pce-stateful-hpce@ietf.org; pce-chairs@ietf.org Subject: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce All, This is the start of a two week poll on making draft-dhodylee-pce-stateful-= hpce-03 a PCE working group document. https://datatracker.ietf.org/doc/draft-dhodylee-pce-stateful-hpce/ Please review the draft and send an email to the list indicating "yes/suppo= rt" or "no/do not support". If indicating no, please state your reasons. = If yes, please also feel free to provide comments you'd like to see address= ed once the document is a WG document. The poll ends on Thursday, June 15. Many thanks, Jon --_000_DB3PR07MB058832BF484234407966095091C00DB3PR07MB0588eurp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

yes/support

 

Thanks

sergio

 

 

From: Pce [mailto:pce-bounces@ietf.org] On= Behalf Of Jonathan Hardwick
Sent: Thursday, June 01, 2017 2:25 PM
To: pce@ietf.org
Cc: draft-dhodylee-pce-stateful-hpce@ietf.org; pce-chairs@ietf.org Subject: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce

 

All,

 

This is the start of a two week= poll on making draft-dhodylee-pce-stateful-hpce-03 a PCE working group doc= ument.

https://datatracker.ietf.or= g/doc/draft-dhodylee-pce-stateful-hpce/

 

Please review the draft and = send an email to the list indicating “yes/support” or “no= /do not support”.  If indicating no, please state your reasons.&= nbsp; 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 on Thursday, J= une 15.

 

Many thanks,

Jon

 

--_000_DB3PR07MB058832BF484234407966095091C00DB3PR07MB0588eurp_-- From nobody Thu Jun 15 03:00:29 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id EA9EB128BB6; Thu, 15 Jun 2017 03:00:28 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.219 X-Spam-Level: X-Spam-Status: No, score=-4.219 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=ericsson.onmicrosoft.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Gp3V3E_D4Dkl; Thu, 15 Jun 2017 03:00:22 -0700 (PDT) Received: from sesbmg22.ericsson.net (sesbmg22.ericsson.net [193.180.251.48]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id BEA68126CF6; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Yes/Support BR Daniele From: Jonathan Hardwick [mailto:Jonathan.Hardwick@metaswitch.com] Sent: gioved=EC 1 giugno 2017 14:25 To: pce@ietf.org Cc: pce-chairs@ietf.org; draft-dhodylee-pce-stateful-hpce@ietf.org Subject: Poll for adoption: draft-dhodylee-pce-stateful-hpce All, This is the start of a two week poll on making draft-dhodylee-pce-stateful-= hpce-03 a PCE working group document. https://datatracker.ietf.org/doc/draft-dhodylee-pce-stateful-hpce/ Please review the draft and send an email to the list indicating "yes/suppo= rt" or "no/do not support". If indicating no, please state your reasons. = If yes, please also feel free to provide comments you'd like to see address= ed once the document is a WG document. The poll ends on Thursday, June 15. Many thanks, Jon --_000_AM2PR07MB0994AA61BD6772D6ACB658E6F0C00AM2PR07MB0994eurp_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Yes/Support

 

BR

Daniele 

 

From: Jonathan Hardwick [mailto:Jonathan.Hardwick= @metaswitch.com]
Sent: gioved=EC 1 giugno 2017 14:25
To: pce@ietf.org
Cc: pce-chairs@ietf.org; draft-dhodylee-pce-stateful-hpce@ietf.org Subject: Poll for adoption: draft-dhodylee-pce-stateful-hpce

 

Al= l,

 

Th= is is the start of a two week poll on making draft-dhodylee-pce-stateful-hp= ce-03 a PCE working group document.

https://datatracker.ietf.org/doc/draft-dhodylee-pce-stateful-hpce/

 

Please review the draft and send an email to the list indicating “ye= s/support” or “no/do not support”.  If indicating no= , please state your reasons.  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 on Thursday, June 15.

 

Many thanks,

Jo= n

 

--_000_AM2PR07MB0994AA61BD6772D6ACB658E6F0C00AM2PR07MB0994eurp_-- From nobody Thu Jun 15 21:31:08 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8A133128616; Thu, 15 Jun 2017 21:31:07 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.221 X-Spam-Level: X-Spam-Status: No, score=-4.221 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id m-Hw1tdybTiz; Thu, 15 Jun 2017 21:31:05 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4304B124D6C; Thu, 15 Jun 2017 21:31:04 -0700 (PDT) Received: from 172.18.7.190 (EHLO LHREML713-CAH.china.huawei.com) ([172.18.7.190]) by lhrrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DIP38410; Fri, 16 Jun 2017 04:31:01 +0000 (GMT) Received: from NKGEML411-HUB.china.huawei.com (10.98.56.70) by LHREML713-CAH.china.huawei.com (10.201.108.36) with Microsoft SMTP Server (TLS) id 14.3.301.0; Fri, 16 Jun 2017 05:31:01 +0100 Received: from NKGEML513-MBX.china.huawei.com ([169.254.1.160]) by nkgeml411-hub.china.huawei.com ([10.98.56.70]) with mapi id 14.03.0235.001; Fri, 16 Jun 2017 12:30:56 +0800 From: Qin Wu To: Jonathan Hardwick , "pce@ietf.org" CC: "draft-dhodylee-pce-stateful-hpce@ietf.org" , "pce-chairs@ietf.org" Thread-Topic: Poll for adoption: draft-dhodylee-pce-stateful-hpce Thread-Index: AdLa0aGL5Y7zF15+Sq6ccQ15ZLSQkAAetDPQAsM29aA= Date: Fri, 16 Jun 2017 04:30:55 +0000 Message-ID: References: In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.136.78.218] Content-Type: multipart/alternative; boundary="_000_B8F9A780D330094D99AF023C5877DABA9A934A03nkgeml513mbxchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090203.59435F06.0015, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=169.254.1.160, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 66387829cf81ded439ed0aadb0ada65c Archived-At: Subject: Re: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Jun 2017 04:31:08 -0000 --_000_B8F9A780D330094D99AF023C5877DABA9A934A03nkgeml513mbxchi_ Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 WWVzL1N1cHBvcnQuDQoNCi1RaW4NCreivP7IyzogUGNlIFttYWlsdG86cGNlLWJvdW5jZXNAaWV0 Zi5vcmddILT6se0gWmhlbmdoYW9taWFuDQq3osvNyrG85DogMjAxN8TqNtTCMsjVIDExOjA0DQrK 1bz+yMs6IEpvbmF0aGFuIEhhcmR3aWNrOyBwY2VAaWV0Zi5vcmcNCrOty806IGRyYWZ0LWRob2R5 bGVlLXBjZS1zdGF0ZWZ1bC1ocGNlQGlldGYub3JnOyBwY2UtY2hhaXJzQGlldGYub3JnDQrW98zi OiBbUGNlXSC08Li0OiBQb2xsIGZvciBhZG9wdGlvbjogZHJhZnQtZGhvZHlsZWUtcGNlLXN0YXRl ZnVsLWhwY2UNCg0KWWVzL1N1cHBvcnQuDQoNCkJlc3Qgd2lzaGVzLA0KSGFvbWlhbg0KDQq3orz+ yMs6IFBjZSBbbWFpbHRvOnBjZS1ib3VuY2VzQGlldGYub3JnXSC0+rHtIEpvbmF0aGFuIEhhcmR3 aWNrDQq3osvNyrG85DogMjAxN8TqNtTCMcjVIDIwOjI1DQrK1bz+yMs6IHBjZUBpZXRmLm9yZzxt YWlsdG86cGNlQGlldGYub3JnPg0Ks63LzTogZHJhZnQtZGhvZHlsZWUtcGNlLXN0YXRlZnVsLWhw Y2VAaWV0Zi5vcmc8bWFpbHRvOmRyYWZ0LWRob2R5bGVlLXBjZS1zdGF0ZWZ1bC1ocGNlQGlldGYu b3JnPjsgcGNlLWNoYWlyc0BpZXRmLm9yZzxtYWlsdG86cGNlLWNoYWlyc0BpZXRmLm9yZz4NCtb3 zOI6IFtQY2VdIFBvbGwgZm9yIGFkb3B0aW9uOiBkcmFmdC1kaG9keWxlZS1wY2Utc3RhdGVmdWwt aHBjZQ0KDQpBbGwsDQoNClRoaXMgaXMgdGhlIHN0YXJ0IG9mIGEgdHdvIHdlZWsgcG9sbCBvbiBt YWtpbmcgZHJhZnQtZGhvZHlsZWUtcGNlLXN0YXRlZnVsLWhwY2UtMDMgYSBQQ0Ugd29ya2luZyBn cm91cCBkb2N1bWVudC4NCmh0dHBzOi8vZGF0YXRyYWNrZXIuaWV0Zi5vcmcvZG9jL2RyYWZ0LWRo b2R5bGVlLXBjZS1zdGF0ZWZ1bC1ocGNlLw0KDQoNClBsZWFzZSByZXZpZXcgdGhlIGRyYWZ0IGFu ZCBzZW5kIGFuIGVtYWlsIHRvIHRoZSBsaXN0IGluZGljYXRpbmcgobB5ZXMvc3VwcG9ydKGxIG9y IKGwbm8vZG8gbm90IHN1cHBvcnShsS4gIElmIGluZGljYXRpbmcgbm8sIHBsZWFzZSBzdGF0ZSB5 b3VyIHJlYXNvbnMuICBJZiB5ZXMsIHBsZWFzZSBhbHNvIGZlZWwgZnJlZSB0byBwcm92aWRlIGNv bW1lbnRzIHlvdSdkIGxpa2UgdG8gc2VlIGFkZHJlc3NlZCBvbmNlIHRoZSBkb2N1bWVudCBpcyBh IFdHIGRvY3VtZW50Lg0KDQoNCg0KVGhlIHBvbGwgZW5kcyBvbiBUaHVyc2RheSwgSnVuZSAxNS4N Cg0KDQoNCk1hbnkgdGhhbmtzLA0KSm9uDQoNCg== --_000_B8F9A780D330094D99AF023C5877DABA9A934A03nkgeml513mbxchi_ Content-Type: text/html; charset="gb2312" Content-Transfer-Encoding: quoted-printable

Yes/Support.

 

-Qin

=B7=A2=BC=FE=C8=CB: Pce [ma= ilto:pce-bounces@ietf.org] =B4=FA= =B1=ED Zhenghaomian
=B7=A2= =CB=CD=CA=B1=BC=E4: 2017=C4=EA6=D4=C22=C8=D5 11:04
=CA=D5=BC=FE=C8=CB: Jonathan Hardwick; pce@ietf.org
=B3=AD=CB=CD: draft-dhodylee-pce-stateful-hpce@ietf.org; pce-chairs@ietf.org
=D6=F7=CC=E2: [Pce] =B4=F0=B8=B4: Poll for adoption: draft-= dhodylee-pce-stateful-hpce

 

Yes/Support.

 

Best wishes,

Haomian

 

=B7=A2=BC=FE=C8=CB: Pce [mailto:pce-bounces@ietf.org] =B4=FA=B1=ED Jonathan Hardwick
=B7=A2=CB=CD=CA=B1=BC=E4: 2017=C4=EA6=D4=C21=C8=D5 20:25
=CA=D5=BC=FE=C8=CB: pce@ietf.org
=B3=AD=CB=CD: draft-dhodylee-pce-stateful-hpce@ietf.org; pce-chairs@ietf.org
=D6=F7=CC=E2: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce

 

All,

 

This is the start of a two week= poll on making draft-dhodylee-pce-stateful-hpce-03 a PCE working group doc= ument.

https://datatracker.ietf.or= g/doc/draft-dhodylee-pce-stateful-hpce/

 

Please review the draft and = send an email to the list indicating =A1=B0yes/support=A1=B1 or =A1=B0no/do= not support=A1=B1.  If indicating no, please state your reasons. = ; 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 on Thursday, J= une 15.

 

Many thanks,

Jon=

 

--_000_B8F9A780D330094D99AF023C5877DABA9A934A03nkgeml513mbxchi_-- From nobody Fri Jun 16 06:08:27 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 357B7129BFF; Fri, 16 Jun 2017 06:08:26 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.021 X-Spam-Level: X-Spam-Status: No, score=-2.021 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=metaswitch.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ct8DEvRYqnwx; Fri, 16 Jun 2017 06:08:23 -0700 (PDT) Received: from NAM03-CO1-obe.outbound.protection.outlook.com (mail-co1nam03on0093.outbound.protection.outlook.com [104.47.40.93]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 26B4B129BF8; 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SFS:(10019020)(39840400002)(39410400002)(39450400003)(39400400002)(66654002)(33656002)(99286003)(8676002)(6506006)(72206003)(6436002)(2900100001)(4326008)(2501003)(966005)(606005)(50986999)(54896002)(81166006)(25786009)(53936002)(236005)(53546009)(5660300001)(55016002)(3846002)(14454004)(7696004)(7736002)(6306002)(74316002)(38730400002)(122556002)(77096006)(7906003)(450100002)(66066001)(230783001)(6246003)(9686003)(790700001)(102836003)(6116002)(2906002)(3660700001)(86362001)(189998001)(229853002)(3280700002)(54356999)(8936002)(478600001); DIR:OUT; SFP:1102; SCL:1; SRVR:CY1PR0201MB1915; H:CY1PR0201MB1913.namprd02.prod.outlook.com; FPR:; SPF:None; MLV:sfv; LANG:en; spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: multipart/alternative; boundary="_000_CY1PR0201MB1913A4AD4E07320DA6944ED484C10CY1PR0201MB1913_" MIME-Version: 1.0 X-OriginatorOrg: metaswitch.com X-MS-Exchange-CrossTenant-originalarrivaltime: 16 Jun 2017 13:08:21.5884 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 9d9e56eb-f613-4ddb-b27b-bfcdf14b2cdb X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY1PR0201MB1915 Archived-At: Subject: Re: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Jun 2017 13:08:26 -0000 --_000_CY1PR0201MB1913A4AD4E07320DA6944ED484C10CY1PR0201MB1913_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable This poll for adoption has concluded, with the result that the document wil= l be adopted by the PCE working group. Authors, please resubmit this version of the draft with the new name draft-= ietf-pce-stateful-hpce-00. Thanks Jon From: Jonathan Hardwick Sent: 01 June 2017 13:25 To: pce@ietf.org Cc: pce-chairs@ietf.org; draft-dhodylee-pce-stateful-hpce@ietf.org Subject: Poll for adoption: draft-dhodylee-pce-stateful-hpce All, This is the start of a two week poll on making draft-dhodylee-pce-stateful-= hpce-03 a PCE working group document. https://datatracker.ietf.org/doc/draft-dhodylee-pce-stateful-hpce/ Please review the draft and send an email to the list indicating "yes/suppo= rt" or "no/do not support". If indicating no, please state your reasons. = If yes, please also feel free to provide comments you'd like to see address= ed once the document is a WG document. The poll ends on Thursday, June 15. Many thanks, Jon --_000_CY1PR0201MB1913A4AD4E07320DA6944ED484C10CY1PR0201MB1913_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

This poll for adoption= has concluded, with the result that the document will be adopted by the PC= E working group.

Authors, please resubm= it this version of the draft with the new name draft-ietf-pce-stateful-hpce= -00.

Thanks

Jon<= /p>

 

From: Jonathan Hardwick
Sent: 01 June 2017 13:25
To: pce@ietf.org
Cc: pce-chairs@ietf.org; draft-dhodylee-pce-stateful-hpce@ietf.org Subject: Poll for adoption: draft-dhodylee-pce-stateful-hpce

 

All,

 

This is the start of a two week poll on making draft= -dhodylee-pce-stateful-hpce-03 a PCE working group document.

https://datatracker.ietf.org/doc/draft-dhodylee-= pce-stateful-hpce/

 

Please review the draft and send an email to the = list indicating “yes/support” or “no/do not support”= ;.  If indicating no, please state your reasons.  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 on Thursday, June 15.

 

Many thanks,

Jon

 

--_000_CY1PR0201MB1913A4AD4E07320DA6944ED484C10CY1PR0201MB1913_-- From nobody Fri Jun 16 08:50:48 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A7A9A128796; Fri, 16 Jun 2017 08:50:46 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.021 X-Spam-Level: X-Spam-Status: No, score=-2.021 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=metaswitch.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id hd1coOlNBIyZ; Fri, 16 Jun 2017 08:50:44 -0700 (PDT) Received: from NAM02-CY1-obe.outbound.protection.outlook.com (mail-cys01nam02on0120.outbound.protection.outlook.com [104.47.37.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 999E6124217; Fri, 16 Jun 2017 08:50:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=metaswitch.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version; bh=r8wR7gWyRRk+26J2jo38TJPu/luNHHULEMy/iFlok9M=; b=egjqqL4XaKZAQJfOSOdQDq9brlLDIvZWg5N8UcmKLqThm2uJ01JsdinRKxj9oZV8ueYfg1AH8+ygjYV0iu/nesZtlHw+Seynf2ITTyPPcMdHTdBt8XJd4eFNN87K9bP6M+iqtjrRM1KNGpn6VjR9HJxLGITrpB/LHLN/Ty+OzN8= Received: from CY1PR0201MB1913.namprd02.prod.outlook.com (10.163.56.23) by CY1PR0201MB1916.namprd02.prod.outlook.com (10.163.56.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1178.14; Fri, 16 Jun 2017 15:50:39 +0000 Received: from CY1PR0201MB1913.namprd02.prod.outlook.com ([10.163.56.23]) by CY1PR0201MB1913.namprd02.prod.outlook.com ([10.163.56.23]) with mapi id 15.01.1178.016; Fri, 16 Jun 2017 15:50:39 +0000 From: Jonathan Hardwick To: "pce@ietf.org" CC: "pce-chairs@ietf.org" , "draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org" Thread-Topic: Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-scheduling-05 Thread-Index: AdLmt9r3JyGn65J4SGOReKDT2S5qyA== Date: Fri, 16 Jun 2017 15:50:39 +0000 Message-ID: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: ietf.org; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable All, This is the start of a two week poll on making draft-zhuang-pce-stateful-pc= e-lsp-scheduling-05 a PCE working group document. https://datatracker.ietf.org/doc/draft-zhuang-pce-stateful-pce-lsp-scheduli= ng/ Please review the draft and send an email to the list indicating "yes/suppo= rt" or "no/do not support". If indicating no, please state your reasons. = If yes, please also feel free to provide comments you'd like to see address= ed once the document is a WG document. The poll ends on Friday, June 30. Many thanks, Jon --_000_CY1PR0201MB1913F1F6DBA89D228ED133D084C10CY1PR0201MB1913_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

All,

 

This is the start of a two week poll on making draft= -zhuang-pce-stateful-pce-lsp-scheduling-05 a PCE working group document.

https://datatracker.ietf.org/doc/dra= ft-zhuang-pce-stateful-pce-lsp-scheduling/

 

Please review the draft and send an email to the = list indicating “yes/support” or “no/do not support”= ;.  If indicating no, please state your reasons.  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 on Friday, June 30.

 

Many thanks,

Jon

 

 

--_000_CY1PR0201MB1913F1F6DBA89D228ED133D084C10CY1PR0201MB1913_-- From nobody Fri Jun 16 09:18:26 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 15982126B6E; Fri, 16 Jun 2017 09:18:24 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.619 X-Spam-Level: X-Spam-Status: No, score=-2.619 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id RbbNxpZId8lW; Fri, 16 Jun 2017 09:18:21 -0700 (PDT) Received: from asmtp3.iomartmail.com (asmtp3.iomartmail.com [62.128.201.159]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id DE8161286AB; Fri, 16 Jun 2017 09:18:19 -0700 (PDT) Received: from asmtp3.iomartmail.com (localhost.localdomain [127.0.0.1]) by asmtp3.iomartmail.com (8.13.8/8.13.8) with ESMTP id v5GGIHa7006314; Fri, 16 Jun 2017 17:18:17 +0100 Received: from 950129200 (73.204.115.87.dyn.plus.net [87.115.204.73]) (authenticated bits=0) by asmtp3.iomartmail.com (8.13.8/8.13.8) with ESMTP id v5GGIGAj006305 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 16 Jun 2017 17:18:17 +0100 Reply-To: From: "Adrian Farrel" To: "'Jonathan Hardwick'" , Cc: , References: In-Reply-To: Date: Fri, 16 Jun 2017 17:18:13 +0100 Message-ID: <02df01d2e6bc$27d05310$7770f930$@olddog.co.uk> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_02E0_01D2E6C4.89A3FD50" X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQHu7qa1Ddt/TvBhqx8yXvF81NgBuaHvmlVg Content-Language: en-gb X-TM-AS-MML: disable X-TM-AS-Product-Ver: IMSS-7.1.0.1679-8.1.0.1062-23136.000 X-TM-AS-Result: No--14.580-10.0-31-10 X-imss-scan-details: No--14.580-10.0-31-10 X-TMASE-MatchedRID: gTucSmrmRMOUs/VBFlRriVaOpp/sV5nV7QOdJsLgfhK0Vg+MnSE2GFVa zIZBiETDNhe8JzEYan5L8YxTtDw7A6XgCCul34T63FqOVb7PDELWSrKtwxqWpaj5v7I4/SgY152 a4j27JxiGGXuUR3ZPz9C8S5M0doImM8CewA5GpJ+1PiMh4ZF39XbDN5qQOYOyuqWf6Nh7tmG0+H cKYg1X03oOAL/E/CXZSaVfaxxV94/trubt8TkL4cG0UNgaZpYqtF9GMNu1bqLkOOZ1bT6psa7BV PFMOQQusrZgdv+SJ0/88SAvS2rKrnRue7aQeqLEsyw+ZJnFumQTskidPjB12hON+Q7elv5YPSaw iBLK6fcf9nvUckM1oVpzKEH0vVqvEnerDpp3+WMAGGKG8CG8Akh41hM/w6ZM+TdKNkxxkWRSUGH 6RuK0zz8NRz8HpCmSZEZKdSp4I705BGX7329oyQwfhKwa9GwDWq9ln3+CkiGlF7MF/8ayEgaTal M8C773yS4a/w19Mu+jsy4IyYQvCOlGKMkRBXaMEgwM8US/pTF/r8x3wtvaXyejSyZ3UYtkAMf5J kUGtGokg8WaoMOWypJTzjwz+GzoSLzBQxkvS++L6bUMM+bbIv98fIf4wIXlFRlN8zTSzj5yziTs HMJKZpbTSn0tZbEP+MOUD1zmrJ1S6W5UT/L39DTR2TFg0xG31ViV5EWK7TubKItl61J/yZUdXE/ WGn0FfeZdJ1Xsorh7EN+WLfYASL7RpIZGoCWBuzo1H78Cpkl8OEwULbAM1k75E3qaDddsNsr+KL p20LzlLAkCiaW3L4sUQaijyFWPjAmB0coxU3iyEbjzuz+j5GTdzRr6kDDS Archived-At: Subject: Re: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-scheduling-05 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Jun 2017 16:18:24 -0000 This is a multipart message in MIME format. ------=_NextPart_000_02E0_01D2E6C4.89A3FD50 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Excellent news, Jon. Really good that the authors of the two individual I-Ds were able to converge with a true merger (not just piling all the text together). Really nice to see solutions work in support of draft-ietf-teas-scheduled-resources which is sitting in TEAS ready for last call but pending exactly this work. So, yes, please adopt as a good starting point for your work. Thanks, Adrian From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Jonathan Hardwick Sent: 16 June 2017 16:51 To: pce@ietf.org Cc: draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org; pce-chairs@ietf.org Subject: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-scheduling-05 All, This is the start of a two week poll on making draft-zhuang-pce-stateful-pce-lsp-scheduling-05 a PCE working group document. https://datatracker.ietf.org/doc/draft-zhuang-pce-stateful-pce-lsp-scheduling/ Please review the draft and send an email to the list indicating "yes/support" or "no/do not support". If indicating no, please state your reasons. 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 on Friday, June 30. Many thanks, Jon ------=_NextPart_000_02E0_01D2E6C4.89A3FD50 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Excellent news, = Jon.

 

Really good that the = authors of the two individual I-Ds were able to converge with a true = merger (not just piling all the text together).

 

Really nice to see = solutions work in support of draft-ietf-teas-scheduled-resources which = is sitting in TEAS ready for last call but pending exactly this = work.

 

So, yes, please adopt = as a good starting point for your work.

 

Thanks,

Adrian

 

From: Pce = [mailto:pce-bounces@ietf.org] On Behalf Of Jonathan = Hardwick
Sent: 16 June 2017 16:51
To: = pce@ietf.org
Cc: = draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org; = pce-chairs@ietf.org
Subject: [Pce] Poll for adoption: = draft-zhuang-pce-stateful-pce-lsp-scheduling-05

 

All,

 

This is the = start of a two week poll on making = draft-zhuang-pce-stateful-pce-lsp-scheduling-05 a PCE working group = document.

https://datatracker.ietf.org/doc/draft-zhuang-pce-stateful= -pce-lsp-scheduling/

 

Please = review the draft and send an email to the list indicating = “yes/support” or “no/do not support”.  If = indicating no, please state your reasons.  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 on Friday, June 30.

 

Many = thanks,

Jon

 

 

------=_NextPart_000_02E0_01D2E6C4.89A3FD50-- From nobody Fri Jun 16 09:21:38 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 52CE9128D19; Fri, 16 Jun 2017 09:21:37 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.221 X-Spam-Level: X-Spam-Status: No, score=-4.221 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id PubvmZaI944j; Fri, 16 Jun 2017 09:21:35 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id A588A127201; Fri, 16 Jun 2017 09:21:34 -0700 (PDT) Received: from 172.18.7.190 (EHLO lhreml704-cah.china.huawei.com) ([172.18.7.190]) by lhrrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DPG36496; Fri, 16 Jun 2017 16:21:32 +0000 (GMT) Received: from SJCEML702-CHM.china.huawei.com (10.208.112.38) by lhreml704-cah.china.huawei.com (10.201.108.45) with Microsoft SMTP Server (TLS) id 14.3.301.0; Fri, 16 Jun 2017 17:21:32 +0100 Received: from SJCEML703-CHM.china.huawei.com ([169.254.5.102]) by SJCEML702-CHM.china.huawei.com ([169.254.4.136]) with mapi id 14.03.0301.000; Fri, 16 Jun 2017 09:21:24 -0700 From: Huaimo Chen To: Jonathan Hardwick , "pce@ietf.org" CC: "draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org" , "pce-chairs@ietf.org" Thread-Topic: Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-scheduling-05 Thread-Index: AdLmt9r3JyGn65J4SGOReKDT2S5qyAABB0Aw Date: Fri, 16 Jun 2017 16:21:23 +0000 Message-ID: <5316A0AB3C851246A7CA5758973207D450180C65@SJCEML703-CHM.china.huawei.com> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.212.244.92] Content-Type: multipart/alternative; boundary="_000_5316A0AB3C851246A7CA5758973207D450180C65SJCEML703CHMchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020206.5944058D.0034, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=169.254.5.102, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: dff62290e87537282272ac97a7b03ab4 Archived-At: Subject: Re: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-scheduling-05 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Jun 2017 16:21:37 -0000 --_000_5316A0AB3C851246A7CA5758973207D450180C65SJCEML703CHMchi_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Yes/support. Best Regards, Huaimo (co-author) From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Jonathan Hardwick Sent: Friday, June 16, 2017 11:51 AM To: pce@ietf.org Cc: draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org; pce-chairs@ietf.= org Subject: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-schedul= ing-05 All, This is the start of a two week poll on making draft-zhuang-pce-stateful-pc= e-lsp-scheduling-05 a PCE working group document. https://datatracker.ietf.org/doc/draft-zhuang-pce-stateful-pce-lsp-scheduli= ng/ Please review the draft and send an email to the list indicating "yes/suppo= rt" or "no/do not support". If indicating no, please state your reasons. = If yes, please also feel free to provide comments you'd like to see address= ed once the document is a WG document. The poll ends on Friday, June 30. Many thanks, Jon --_000_5316A0AB3C851246A7CA5758973207D450180C65SJCEML703CHMchi_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Yes/support.

 

Best Regards,

Huaimo (co-author)

From: Pce [mai= lto:pce-bounces@ietf.org] On Behalf Of Jonathan Hardwick
Sent: Friday, June 16, 2017 11:51 AM
To: pce@ietf.org
Cc: draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org; pce-chair= s@ietf.org
Subject: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-= scheduling-05

 

All,

 

This is the start of a two week= poll on making draft-zhuang-pce-stateful-pce-lsp-scheduling-05 a PCE worki= ng group document.

https://datatra= cker.ietf.org/doc/draft-zhuang-pce-stateful-pce-lsp-scheduling/

 

Please review the draft and = send an email to the list indicating “yes/support” or “no= /do not support”.  If indicating no, please state your reasons.&= nbsp; 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 on Friday, Jun= e 30.

 

Many thanks,

Jon

 

 

--_000_5316A0AB3C851246A7CA5758973207D450180C65SJCEML703CHMchi_-- From nobody Fri Jun 16 09:34:06 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2432412EA57; Fri, 16 Jun 2017 09:34:04 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.219 X-Spam-Level: X-Spam-Status: No, score=-4.219 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id nM4RTnOSP4CU; Fri, 16 Jun 2017 09:34:01 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 47A7712AF84; Fri, 16 Jun 2017 09:34:00 -0700 (PDT) Received: from 172.18.7.190 (EHLO lhreml701-cah.china.huawei.com) ([172.18.7.190]) by lhrrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DPG38080; Fri, 16 Jun 2017 16:33:58 +0000 (GMT) Received: from SJCEML701-CHM.china.huawei.com (10.208.112.40) by lhreml701-cah.china.huawei.com (10.201.108.42) with Microsoft SMTP Server (TLS) id 14.3.301.0; Fri, 16 Jun 2017 17:33:57 +0100 Received: from SJCEML703-CHM.china.huawei.com ([169.254.5.102]) by SJCEML701-CHM.china.huawei.com ([169.254.3.162]) with mapi id 14.03.0301.000; Fri, 16 Jun 2017 09:33:53 -0700 From: Leeyoung To: Jonathan Hardwick , "pce@ietf.org" CC: "draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org" , "pce-chairs@ietf.org" Thread-Topic: Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-scheduling-05 Thread-Index: AdLmt9r3JyGn65J4SGOReKDT2S5qyAABnFYQ Date: Fri, 16 Jun 2017 16:33:52 +0000 Message-ID: <7AEB3D6833318045B4AE71C2C87E8E172B2D59DD@SJCEML703-CHM.china.huawei.com> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.218.137.193] Content-Type: multipart/alternative; boundary="_000_7AEB3D6833318045B4AE71C2C87E8E172B2D59DDSJCEML703CHMchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020205.59440876.0221, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=169.254.5.102, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: dff62290e87537282272ac97a7b03ab4 Archived-At: Subject: Re: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-scheduling-05 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Jun 2017 16:34:04 -0000 --_000_7AEB3D6833318045B4AE71C2C87E8E172B2D59DDSJCEML703CHMchi_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Yes/support Young From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Jonathan Hardwick Sent: Friday, June 16, 2017 10:51 AM To: pce@ietf.org Cc: draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org; pce-chairs@ietf.= org Subject: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-schedul= ing-05 All, This is the start of a two week poll on making draft-zhuang-pce-stateful-pc= e-lsp-scheduling-05 a PCE working group document. https://datatracker.ietf.org/doc/draft-zhuang-pce-stateful-pce-lsp-scheduli= ng/ Please review the draft and send an email to the list indicating "yes/suppo= rt" or "no/do not support". If indicating no, please state your reasons. = If yes, please also feel free to provide comments you'd like to see address= ed once the document is a WG document. The poll ends on Friday, June 30. Many thanks, Jon --_000_7AEB3D6833318045B4AE71C2C87E8E172B2D59DDSJCEML703CHMchi_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Yes/support=

 

Young

 

From: Pce [mailto:pce-bounces@ietf.org] On= Behalf Of Jonathan Hardwick
Sent: Friday, June 16, 2017 10:51 AM
To: pce@ietf.org
Cc: draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org; pce-chair= s@ietf.org
Subject: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-= scheduling-05

 

All,

 

This is the start of a two week= poll on making draft-zhuang-pce-stateful-pce-lsp-scheduling-05 a PCE worki= ng group document.

https://datatra= cker.ietf.org/doc/draft-zhuang-pce-stateful-pce-lsp-scheduling/

 

Please review the draft and = send an email to the list indicating “yes/support” or “no= /do not support”.  If indicating no, please state your reasons.&= nbsp; 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 on Friday, Jun= e 30.

 

Many thanks,

Jon

 

 

--_000_7AEB3D6833318045B4AE71C2C87E8E172B2D59DDSJCEML703CHMchi_-- From nobody Fri Jun 16 09:41:41 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 99E1C1295A0; Fri, 16 Jun 2017 09:41:39 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.221 X-Spam-Level: X-Spam-Status: No, score=-4.221 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id CXm9-QF57f28; Fri, 16 Jun 2017 09:41:37 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 1E258128959; Fri, 16 Jun 2017 09:41:36 -0700 (PDT) Received: from 172.18.7.190 (EHLO lhreml704-cah.china.huawei.com) ([172.18.7.190]) by lhrrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DPG38840; Fri, 16 Jun 2017 16:41:35 +0000 (GMT) Received: from BLREML407-HUB.china.huawei.com (10.20.4.45) by lhreml704-cah.china.huawei.com (10.201.108.45) with Microsoft SMTP Server (TLS) id 14.3.301.0; Fri, 16 Jun 2017 17:41:34 +0100 Received: from BLREML501-MBB.china.huawei.com ([10.20.5.200]) by BLREML407-HUB.china.huawei.com ([10.20.4.45]) with mapi id 14.03.0301.000; Fri, 16 Jun 2017 22:11:21 +0530 From: Dhruv Dhody To: Jonathan Hardwick , "pce@ietf.org" CC: "draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org" , "pce-chairs@ietf.org" Thread-Topic: Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-scheduling-05 Thread-Index: AdLmt9r3JyGn65J4SGOReKDT2S5qyAAB4JBw Date: Fri, 16 Jun 2017 16:41:21 +0000 Message-ID: <23CE718903A838468A8B325B80962F9B8CB235D4@blreml501-mbb> References: In-Reply-To: Accept-Language: en-GB, zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.18.79.73] Content-Type: multipart/alternative; boundary="_000_23CE718903A838468A8B325B80962F9B8CB235D4blreml501mbb_" MIME-Version: 1.0 X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020202.59440A3F.0244, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: dff62290e87537282272ac97a7b03ab4 Archived-At: Subject: Re: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-scheduling-05 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Jun 2017 16:41:40 -0000 --_000_23CE718903A838468A8B325B80962F9B8CB235D4blreml501mbb_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Yes/support! Regards, Dhruv (as a co-author) From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Jonathan Hardwick Sent: 16 June 2017 21:21 To: pce@ietf.org Cc: draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org; pce-chairs@ietf.= org Subject: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-schedul= ing-05 All, This is the start of a two week poll on making draft-zhuang-pce-stateful-pc= e-lsp-scheduling-05 a PCE working group document. https://datatracker.ietf.org/doc/draft-zhuang-pce-stateful-pce-lsp-scheduli= ng/ Please review the draft and send an email to the list indicating "yes/suppo= rt" or "no/do not support". If indicating no, please state your reasons. = If yes, please also feel free to provide comments you'd like to see address= ed once the document is a WG document. The poll ends on Friday, June 30. Many thanks, Jon --_000_23CE718903A838468A8B325B80962F9B8CB235D4blreml501mbb_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Yes/support!

 

Regards,

Dhruv (as a co-author)=

 

From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Jonathan Hardwick
Sent: 16 June 2017 21:21
To: pce@ietf.org
Cc: draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org; pce-chair= s@ietf.org
Subject: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-= scheduling-05

 

All,

 

This is the start of a two week= poll on making draft-zhuang-pce-stateful-pce-lsp-scheduling-05 a PCE worki= ng group document.

https://datatra= cker.ietf.org/doc/draft-zhuang-pce-stateful-pce-lsp-scheduling/

 

Please review the draft and = send an email to the list indicating “yes/support” or “no= /do not support”.  If indicating no, please state your reasons.&= nbsp; 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 on Friday, Jun= e 30.

 

Many thanks,

Jon

 

 

--_000_23CE718903A838468A8B325B80962F9B8CB235D4blreml501mbb_-- From nobody Fri Jun 16 12:14:40 2017 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 4A070131744; Fri, 16 Jun 2017 12:14:39 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.55.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149764047925.24043.10016736094730905880@ietfa.amsl.com> Date: Fri, 16 Jun 2017 12:14:39 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-stateful-hpce-00.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Jun 2017 19:14:39 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element of the IETF. Title : Hierarchical Stateful Path Computation Element (PCE). Authors : Dhruv Dhody Young Lee Daniele Ceccarelli Jongyoon Shin Daniel King Oscar Gonzalez de Dios Filename : draft-ietf-pce-stateful-hpce-00.txt Pages : 19 Date : 2017-06-16 Abstract: A Stateful Path Computation Element (PCE) maintains information on the current network state, including: computed Label Switched Path (LSPs), reserved resources within the network, and pending path computation requests. This information may then be considered when computing new traffic engineered LSPs, and for associated and dependent LSPs, received from Path Computation Clients (PCCs). The Hierarchical Path Computation Element (H-PCE) architecture, provides an architecture to allow the optimum sequence of inter-connected domains to be selected, and network policy to be applied if applicable, via the use of a hierarchical relationship between PCEs. Combining the capabilities of Stateful PCE and the Hierarchical PCE would be advantageous. This document describes general considerations and use cases for the deployment of Stateful PCE(s) using the Hierarchical PCE architecture. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-stateful-hpce/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-stateful-hpce-00 https://datatracker.ietf.org/doc/html/draft-ietf-pce-stateful-hpce-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 Sun Jun 18 06:45:32 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B240A12717E; Sun, 18 Jun 2017 06:45:30 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.221 X-Spam-Level: X-Spam-Status: No, score=-4.221 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lXZdpoIULCVK; Sun, 18 Jun 2017 06:45:28 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B2FC11270A7; Sun, 18 Jun 2017 06:45:27 -0700 (PDT) Received: from 172.18.7.190 (EHLO LHREML713-CAH.china.huawei.com) ([172.18.7.190]) by lhrrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DIS66389; Sun, 18 Jun 2017 13:45:25 +0000 (GMT) Received: from DGGEML405-HUB.china.huawei.com (10.3.17.49) by LHREML713-CAH.china.huawei.com (10.201.108.36) with Microsoft SMTP Server (TLS) id 14.3.301.0; Sun, 18 Jun 2017 14:45:24 +0100 Received: from DGGEML503-MBX.china.huawei.com ([169.254.9.244]) by dggeml405-hub.china.huawei.com ([10.3.17.49]) with mapi id 14.03.0301.000; Sun, 18 Jun 2017 21:45:19 +0800 From: Zhenghaomian To: Jonathan Hardwick , "pce@ietf.org" CC: "draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org" , "pce-chairs@ietf.org" Thread-Topic: Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-scheduling-05 Thread-Index: AdLmt9r3JyGn65J4SGOReKDT2S5qyABgS6Yw Date: Sun, 18 Jun 2017 13:45:18 +0000 Message-ID: References: In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.200.171.234] Content-Type: multipart/alternative; boundary="_000_E0C26CAA2504C84093A49B2CAC3261A43A28604BDGGEML503MBXchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020204.594683F5.00C1, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=169.254.9.244, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: a94bf44568205a347fe4f3ca48a13fc5 Archived-At: Subject: [Pce] =?gb2312?b?tPC4tDogUG9sbCBmb3IgYWRvcHRpb246IGRyYWZ0LXpodWFu?= =?gb2312?b?Zy1wY2Utc3RhdGVmdWwtcGNlLWxzcC1zY2hlZHVsaW5nLTA1?= X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 18 Jun 2017 13:45:31 -0000 --_000_E0C26CAA2504C84093A49B2CAC3261A43A28604BDGGEML503MBXchi_ Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 WWVzL1N1cHBvcnQuDQoNCreivP7IyzogUGNlIFttYWlsdG86cGNlLWJvdW5jZXNAaWV0Zi5vcmdd ILT6se0gSm9uYXRoYW4gSGFyZHdpY2sNCreiy83KsbzkOiAyMDE3xOo21MIxNsjVIDIzOjUxDQrK 1bz+yMs6IHBjZUBpZXRmLm9yZw0Ks63LzTogZHJhZnQtemh1YW5nLXBjZS1zdGF0ZWZ1bC1wY2Ut bHNwLXNjaGVkdWxpbmdAaWV0Zi5vcmc7IHBjZS1jaGFpcnNAaWV0Zi5vcmcNCtb3zOI6IFtQY2Vd IFBvbGwgZm9yIGFkb3B0aW9uOiBkcmFmdC16aHVhbmctcGNlLXN0YXRlZnVsLXBjZS1sc3Atc2No ZWR1bGluZy0wNQ0KDQpBbGwsDQoNClRoaXMgaXMgdGhlIHN0YXJ0IG9mIGEgdHdvIHdlZWsgcG9s bCBvbiBtYWtpbmcgZHJhZnQtemh1YW5nLXBjZS1zdGF0ZWZ1bC1wY2UtbHNwLXNjaGVkdWxpbmct MDUgYSBQQ0Ugd29ya2luZyBncm91cCBkb2N1bWVudC4NCmh0dHBzOi8vZGF0YXRyYWNrZXIuaWV0 Zi5vcmcvZG9jL2RyYWZ0LXpodWFuZy1wY2Utc3RhdGVmdWwtcGNlLWxzcC1zY2hlZHVsaW5nLw0K DQoNClBsZWFzZSByZXZpZXcgdGhlIGRyYWZ0IGFuZCBzZW5kIGFuIGVtYWlsIHRvIHRoZSBsaXN0 IGluZGljYXRpbmcgobB5ZXMvc3VwcG9ydKGxIG9yIKGwbm8vZG8gbm90IHN1cHBvcnShsS4gIElm IGluZGljYXRpbmcgbm8sIHBsZWFzZSBzdGF0ZSB5b3VyIHJlYXNvbnMuICBJZiB5ZXMsIHBsZWFz ZSBhbHNvIGZlZWwgZnJlZSB0byBwcm92aWRlIGNvbW1lbnRzIHlvdSdkIGxpa2UgdG8gc2VlIGFk ZHJlc3NlZCBvbmNlIHRoZSBkb2N1bWVudCBpcyBhIFdHIGRvY3VtZW50Lg0KDQoNCg0KVGhlIHBv bGwgZW5kcyBvbiBGcmlkYXksIEp1bmUgMzAuDQoNCg0KDQpNYW55IHRoYW5rcywNCkpvbg0KDQoN Cg== --_000_E0C26CAA2504C84093A49B2CAC3261A43A28604BDGGEML503MBXchi_ Content-Type: text/html; charset="gb2312" Content-Transfer-Encoding: quoted-printable

Yes/Support.

 

=B7=A2=BC=FE=C8=CB: Pce [mailto:pce-bounc= es@ietf.org] =B4=FA=B1=ED = Jonathan Hardwick
=B7=A2=CB=CD= =CA=B1=BC=E4: 2017=C4=EA6=D4=C2<= span lang=3D"EN-US">16=C8=D5 23:51
=CA=D5=BC=FE=C8=CB: pce@ietf.org
=B3=AD=CB=CD: draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org; pce-chairs@ietf.or= g
=D6=F7=CC=E2: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-scheduling-05<= o:p>

 

All,

 

This is the start of a two week= poll on making draft-zhuang-pce-stateful-pce-lsp-scheduling-05 a PCE worki= ng group document.

https://datatra= cker.ietf.org/doc/draft-zhuang-pce-stateful-pce-lsp-scheduling/

 

Please review the draft and = send an email to the list indicating =A1=B0yes/support=A1=B1 or =A1=B0no/do= not support=A1=B1.  If indicating no, please state your reasons. = ; 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 on Friday, Jun= e 30.

 

Many thanks,

Jon

 

 

--_000_E0C26CAA2504C84093A49B2CAC3261A43A28604BDGGEML503MBXchi_-- From nobody Sun Jun 18 08:42:56 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A3A9212946E for ; Sun, 18 Jun 2017 08:42:54 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.88 X-Spam-Level: X-Spam-Status: No, score=-6.88 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-2.8, SPF_PASS=-0.001, T_DKIM_INVALID=0.01, T_FILL_THIS_FORM_SHORT=0.01] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=fail (1024-bit key) reason="fail (body has been altered)" header.d=eci365.onmicrosoft.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id aFehiwl-8AvL for ; Sun, 18 Jun 2017 08:42:51 -0700 (PDT) Received: from mail1.bemta6.messagelabs.com (mail1.bemta6.messagelabs.com [193.109.254.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 77EC9126B7E for ; Sun, 18 Jun 2017 08:42:51 -0700 (PDT) Received: from [193.109.255.99] by server-3.bemta-6.messagelabs.com id D6/A0-03058-97F96495; Sun, 18 Jun 2017 15:42:49 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA1WSW0gUYRTH+2ZmxzFcGW952vTBDSN0lbU0pCi 3MtMoSurFSHJWx92l3VVmNlkjwkItLUuhMC1vpRLWKlqIYIaYmdnFLlKWt3JtsXopfYgypRk/ NZunH+f/P+f/neEwpHc3rWJ4u40XrJxZTa+kIoN0yWHZVXFJ2r4+IvpCUWh0qWNN9J+ns0T0m bFBNx0Vf3mmWRFfW/uLiH/0voKMz3U9oQ9QhxUmqz7DnqIwNhTszWxKtA+VVhA5qDehELkzFJ tPQtnkWpm92SsEvLiWivkjApcrUGaa3Qott0domX3ZmwiGezSFaCVDsu0IruU9nxd82J0w4Ox F2BQLIz9mFngD3HKcpnBYMFxydM7XlewRaMrvnq8jdhX87LtDyEyy/vBhomqegWWh9n4/idkP vjjnFHIwYq8gmCt5RWEhCK6OXnfDHAivq84j2QTsOA39PyoWJmnANVy8YNoHpQ87JBMj8Vq4N 5mM/ZUIuh2LaRnQOPRyofcY5LV+pjH3K+BT627MAfC4vozCzU0KaC3KdcO/QgUjAwUIcwBMDn co8GpWKH7RTOL1veBJ2QRVjNaVL9u6fJmtfJkN1zVQ3T5FYw6F+ppv5CI/63QSy+vVyK0BrRd 5IYsXwjZqw/WCyWC0WTiTOSxCuyncwosiZ+DNnF4MT82wtCDpulZIXxuadSR2odUMofZTTgXG JXl76jPSso2caDwqHDfzYhcKYBg1KD0qJc1L4A28Pd1klk50UQbGQ+2rzM2XZKWYyVlEkwFLf ShI5a9Ml/tYWTAety61LR73axSo8lEi6SHeHpm8YDHZ/te/In8GqX2U6delKR4mq21p+lcpmJ CCyWexcrCN+yepclBEfvON8qRXJyMj7bpxv1O1KXuqY95PTMeW3vMhXNoQoWfDxe/VCXcPpZ5 0TmvH36RmR9XV3BzLYju3PDC0kSeC7866H6SFEp01pf2tqC87Wzg94KzXvLNs//081L0tZsd4 Y0lhwuDPUW1v+gq2cbPnLl37tv0a87Fzrqynafuj6tSUaOQiQkhB5P4Cy9/2bNcDAAA= X-Env-Sender: Alexander.Vainshtein@ecitele.com X-Msg-Ref: server-3.tower-48.messagelabs.com!1497800565!122731743!1 X-Originating-IP: [52.33.64.93] X-StarScan-Received: X-StarScan-Version: 9.4.19; banners=ecitele.com,-,- X-VirusChecked: Checked Received: (qmail 3035 invoked from network); 18 Jun 2017 15:42:48 -0000 Received: from ec2-52-33-64-93.us-west-2.compute.amazonaws.com (HELO EUR01-HE1-obe.outbound.protection.outlook.com) (52.33.64.93) by server-3.tower-48.messagelabs.com with AES256-SHA256 encrypted SMTP; 18 Jun 2017 15:42:48 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ECI365.onmicrosoft.com; s=selector1-ecitele-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version; bh=xpnxB/sQuyBynM0uD7xJyynWfsvlh0dnqbeUzGIZUrU=; b=i6w0Fhq+Yog7bwZgFmWlxPso/AP7zZj9Ds/L1ceQGbku78l8pEEPUzaED9Qmi07y5B6VRlB8FmsisVPbMWqRlgd55TkOWwJzOlQ07NTyH87avTBnRO8UMpeDMpD2p919EqBeAXzSSkrsI5Fqcxlz9Xyb9Z9Sew3xO6KqPTjGPB8= Received: from AM4PR03MB1713.eurprd03.prod.outlook.com (10.167.88.15) by HE1PR0301MB2571.eurprd03.prod.outlook.com (10.168.125.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1157.12; Sun, 18 Jun 2017 15:42:43 +0000 Received: from AM4PR03MB1713.eurprd03.prod.outlook.com ([fe80::7971:7fe2:9bc5:446a]) by AM4PR03MB1713.eurprd03.prod.outlook.com ([fe80::7971:7fe2:9bc5:446a%14]) with mapi id 15.01.1157.022; Sun, 18 Jun 2017 15:42:43 +0000 From: Alexander Vainshtein To: "jonathan.hardwick@metaswitch.com" , "jpv@cisco.com" , "julien.meuric@orange.com" CC: "pce@ietf.org" , Michael Gorokhovsky , Marina Fizgeer , Alexander Ferdman Thread-Topic: Is there any activity related to PCE graceful restart? 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X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 18 Jun 2017 15:42:55 -0000 --_000_AM4PR03MB17132D067E3F2E924D6C92DB9DC70AM4PR03MB1713eurp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Re-sending with the correct WG mailing list address... Regards, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com From: Alexander Vainshtein Sent: Sunday, June 18, 2017 6:41 PM To: 'jonathan.hardwick@metaswitch.com' ;= 'jpv@cisco.com' ; 'julien.meuric@orange.com' Cc: 'pce@ietf.prg' ; Michael Gorokhovsky ; Marina Fizgeer ; Alexander Fer= dman Subject: Is there any activity related to PCE graceful restart? Hi all, My colleagues and I tried to find any work in the PCE WG related to PCEP g= raceful restart. So far, we did not succeed. This could mean one of the following: - Our search did not go deep enough. In this case pointers to any= specific documents would be highly appreciated - Such work does not exist because (for some reason) it is not re= quired. This looks problematic to me, especially if we deal with a statefu= l active PCE and the path computed by the PCE was implemented using Segme= nt Routing (so that only the head end of the computed path is aware of the= path). However, I could have missed something obvious, and any clarificat= ions would be highly appreciated - Such work is required but, so far, nobody has taken care of it.= The implications are obvious:-(. Your feedback would be highly appreciated. Regards, and lots of thanks in advance, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com __________________________________________________________________________= _ This e-mail message is intended for the recipient only and contains inform= ation which is=20 CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have rece= ived this=20 transmission in error, please inform us by e-mail, phone or fax, and then = delete the original=20 and all copies thereof. __________________________________________________________________________= _ --_000_AM4PR03MB17132D067E3F2E924D6C92DB9DC70AM4PR03MB1713eurp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Re-sending with the=20= correct WG mailing list address…

 

Regards,

Sasha

 

Office: +972-3926= 6302

Cell:  &nbs= p;   +972-549266302

Email:   Al= exander.Vainshtein@ecitele.com

 

From: Alexander Vainshtein
Sent: Sunday, June 18, 2017 6:41 PM
To: 'jonathan.hardwick@metaswitch.com' <jonathan.hardwick@metasw= itch.com>; 'jpv@cisco.com' <jpv@cisco.com>; 'julien.meuric@orange= .com' <julien.meuric@orange.com>
Cc: 'pce@ietf.prg' <pce@ietf.prg>; Michael Gorokhovsky <Mi= chael.Gorokhovsky@ecitele.com>; Marina Fizgeer <Marina.Fizgeer@ecite= le.com>; Alexander Ferdman <Alexander.Ferdman@ecitele.com>
Subject: Is there any activity related to PCE graceful restart?

 

Hi all,

My colleagues and I tried to find any work in the P= CE WG related to PCEP graceful restart.

So far, we did not succeed. This could mean one of = the following:

-     = ;     Our search did not go dee= p enough. In this case pointers to any specific documents would be highly = appreciated

-     = ;     Such work does not exist = because (for some reason) it is not required. This looks problematic to me= , especially if we deal with a stateful  active PCE and the path comp= uted by the PCE was implemented using Segment Routing (so that only the head end of the computed path is aware of the p= ath). However, I could have missed something obvious, and any clarificatio= ns would be highly appreciated

-     = ;     Such work is required but= , so far, nobody has taken care of it. The implications are obvious:-(.

 

Your feedback would be highly appreciated.

 

Regards, and lots of thanks in advance,<= /p>

Sasha

 

Office: +972-39266302

Cell:      +972-549266= 302

Email:   Alexander.Vainshtein@ecitele.com

 


__________________________________________________________________________= _

This e-mail message is intended for the recipient only and contains inform= ation which is
CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have rece= ived this
transmission in error, please inform us by e-mail, phone or fax, and then = delete the original
and all copies thereof.
__________________________________________________________________________= _
--_000_AM4PR03MB17132D067E3F2E924D6C92DB9DC70AM4PR03MB1713eurp_-- From nobody Sun Jun 18 10:34:42 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C4FDD1294B8 for ; Sun, 18 Jun 2017 10:34:39 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.609 X-Spam-Level: X-Spam-Status: No, score=-2.609 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, T_FILL_THIS_FORM_SHORT=0.01] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id KVhgh24tyeEt for ; Sun, 18 Jun 2017 10:34:36 -0700 (PDT) Received: from asmtp1.iomartmail.com (asmtp1.iomartmail.com [62.128.201.248]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 166C0128B93 for ; Sun, 18 Jun 2017 10:34:35 -0700 (PDT) Received: from asmtp1.iomartmail.com (localhost.localdomain [127.0.0.1]) by asmtp1.iomartmail.com (8.13.8/8.13.8) with ESMTP id v5IHYOSa029791; Sun, 18 Jun 2017 18:34:24 +0100 Received: from 950129200 (73.204.115.87.dyn.plus.net [87.115.204.73]) (authenticated bits=0) by asmtp1.iomartmail.com (8.13.8/8.13.8) with ESMTP id v5IHXt0S029727 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sun, 18 Jun 2017 18:33:56 +0100 Reply-To: From: "Adrian Farrel" To: "'Alexander Vainshtein'" , , , Cc: "'Marina Fizgeer'" , "'Michael Gorokhovsky'" , , "'Alexander Ferdman'" References: In-Reply-To: Date: Sun, 18 Jun 2017 18:33:54 +0100 Message-ID: <049c01d2e859$154fa440$3feeecc0$@olddog.co.uk> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_049D_01D2E861.7A55C9C0" X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQHmTbBX4QMxGGdKBaKeEL5FVwfquaIEE+Tg Content-Language: en-gb X-TM-AS-MML: disable X-TM-AS-Product-Ver: IMSS-7.1.0.1679-8.1.0.1062-23140.001 X-TM-AS-Result: No--29.690-10.0-31-10 X-imss-scan-details: No--29.690-10.0-31-10 X-TMASE-MatchedRID: yebcs53SkkAOJAXVYn+bvsWUKBjERoYTFJFr2qlKix8cVJCT3tVganUM HxZL79nJ7K7+Nq9k0NtcIlxpR3adLXkMVwcUMgH7WteDSXCrUTRD+UKET8GD7bV5fSMRD1zqrRG iaFY8lpDHEqAypZQrxGMseRv3062DAghSqNG/21hbuDP8ZuCmXvqZGJlZc2fLFFUJb4pD18lNAl UAf+JAs2IVuiW4ACWctjdTGr4i+7SUL/3g0f5esRiTH2TyLmz+6Jj6zYvfFATOxDyJFXIPjtXiu enPnVcBxYRhllcSrW5HMQrXFWPgZoIcMKvRgAm37T+j7/gPsPMS12tj9Zvd825X2QaRhopCpjlm TDPkkVsvZ5ZT40hfRjCCJCSZ3dUFH/K5u2IxMhKwWQIt565829w5uxG2+x0ydDwP5ItpCOwcSRF 9JP5Ozi4jb1n1eNA3RHaihp8THGAxoJNALx/f4Z3bt4XlQMWjD+LwVja9M4EgOnjvjQ5gMSWdw9 Myj4ex9dMkDbqNTiWX7nDC+4gKenNQXkvyemjfXTK4OtPUfQSjuF41aTJRXZ/paSZmLhGje5bas ibx4KfyTo1GsSlyqhkigyII1PZ5MuPfXQm0MvCKC6Im4I1RF9Vj2MQh1a6nYB83633RxLeHNAeT lC/7tTOaljH5QqOHcLYrJin8fu9ZiostRfaYC0HrI6vFzzG7wx0jRRxcQfOPaLJ/Ca3ST9nwxRi Gk1Yzof/Q29K2iftxyUWyuW87BQkR3SUb3gm7TVa+L3Zgqc7RaXpm7mwQnLkY3WUw/B8Xu8iyJC yNt6l2+AZuxakJy3inb860CrQowPo8GP7TYNueAiCmPx4NwGmRqNBHmBvevqq8s2MNhPB9j2Gwz TE3vXkguuQorcgMLZEjT/YkL3Pc+z1Ew7FPCwhjSy8It+eW9q9dypiQIB1+3BndfXUhXQ== Archived-At: Subject: Re: [Pce] Is there any activity related to PCE graceful restart? X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 18 Jun 2017 17:34:40 -0000 This is a multipart message in MIME format. ------=_NextPart_000_049D_01D2E861.7A55C9C0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sasha, What are you hoping to achieve? That a restarting PCE can retain its TED and LSP-DB? That a restarting PCE can synch state with the network? That a restarting PCE with outstanding (unanswered) messages in either direction can not need to resend them? That a restarting PCE can resend outstanding (unanswered) messages without problems caused by duplication? I think you may want to read around the definition of the request-id. Although 5440 doesn't make it explicit, a lot comes from how you process the request-id. That "a lot" arose from consideration of parallel sessions and distilled to not needing to write about restart. Cheers, Adrian (resurrecting old memories, possibly not entirely accurately) From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein Sent: 18 June 2017 16:43 To: jonathan.hardwick@metaswitch.com; jpv@cisco.com; julien.meuric@orange.com Cc: Marina Fizgeer; Michael Gorokhovsky; pce@ietf.org; Alexander Ferdman Subject: Re: [Pce] Is there any activity related to PCE graceful restart? Re-sending with the correct WG mailing list address. Regards, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com From: Alexander Vainshtein Sent: Sunday, June 18, 2017 6:41 PM To: 'jonathan.hardwick@metaswitch.com' ; 'jpv@cisco.com' ; 'julien.meuric@orange.com' Cc: 'pce@ietf.prg' ; Michael Gorokhovsky ; Marina Fizgeer ; Alexander Ferdman Subject: Is there any activity related to PCE graceful restart? Hi all, My colleagues and I tried to find any work in the PCE WG related to PCEP graceful restart. So far, we did not succeed. This could mean one of the following: - Our search did not go deep enough. In this case pointers to any specific documents would be highly appreciated - Such work does not exist because (for some reason) it is not required. This looks problematic to me, especially if we deal with a stateful active PCE and the path computed by the PCE was implemented using Segment Routing (so that only the head end of the computed path is aware of the path). However, I could have missed something obvious, and any clarifications would be highly appreciated - Such work is required but, so far, nobody has taken care of it. The implications are obvious:-(. Your feedback would be highly appreciated. Regards, and lots of thanks in advance, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com ___________________________________________________________________________ This e-mail message is intended for the recipient only and contains information which is CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have received this transmission in error, please inform us by e-mail, phone or fax, and then delete the original and all copies thereof. ___________________________________________________________________________ ------=_NextPart_000_049D_01D2E861.7A55C9C0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Sasha,

 

What are you hoping to = achieve?

 

That a restarting PCE = can retain its TED and LSP-DB?

That a restarting PCE = can synch state with the network?

That a restarting PCE = with outstanding (unanswered) messages in either direction can not need = to resend them?

That a restarting PCE = can resend outstanding (unanswered) messages without problems caused by = duplication?

 

I think you may want = to read around the definition of the request-id. Although 5440 doesn't = make it explicit, a lot comes from how you process the request-id. That = "a lot" arose from consideration of parallel sessions and = distilled to not needing to write about restart.

 

Cheers,

Adrian (resurrecting = old memories, possibly not entirely accurately)

 

From: Pce = [mailto:pce-bounces@ietf.org] On Behalf Of Alexander = Vainshtein
Sent: 18 June 2017 16:43
To: = jonathan.hardwick@metaswitch.com; jpv@cisco.com; = julien.meuric@orange.com
Cc: Marina Fizgeer; Michael Gorokhovsky; pce@ietf.org; Alexander Ferdman
Subject: Re: [Pce] Is there any = activity related to PCE graceful = restart?

 

Re-sending = with the correct WG mailing list address…

 <= /p>

Regards,

Sasha

 <= /p>

Office: = +972-39266302

Cell:   &n= bsp;  +972-549266302

Email:   = Alexander.Vainshtein@ecitele.com

 <= /p>

From: Alexander Vainshtein =
Sent: Sunday, June 18, 2017 6:41 PM
To: = 'jonathan.hardwick@metaswitch.com' = <jonathan.hardwick@metaswitch.com>; 'jpv@cisco.com' = <jpv@cisco.com>; 'julien.meuric@orange.com' = <julien.meuric@orange.com>
Cc: 'pce@ietf.prg' = <pce@ietf.prg>; Michael Gorokhovsky = <Michael.Gorokhovsky@ecitele.com>; Marina Fizgeer = <Marina.Fizgeer@ecitele.com>; Alexander Ferdman = <Alexander.Ferdman@ecitele.com>
Subject: Is there any = activity related to PCE graceful = restart?

 

Hi all,

My colleagues and I tried to find any = work in the PCE WG related to PCEP graceful = restart.

So far, we did not succeed. This could = mean one of the following:

-     &nb= sp;    Our search did not go deep enough. In = this case pointers to any specific documents would be highly = appreciated

-     &nb= sp;    Such work does not exist because (for = some reason) it is not required. This looks problematic to me, = especially if we deal with a stateful  active PCE and the path = computed by the PCE was implemented using Segment Routing (so that only = the head end of the computed path is aware of the path). However, I = could have missed something obvious, and any clarifications would be = highly appreciated

-     &nb= sp;    Such work is required but, so far, = nobody has taken care of it. The implications are = obvious:-(.

 

Your feedback would be highly = appreciated.

 

Regards, and lots of thanks in = advance,

Sasha

 

Office: = +972-39266302

Cell:      = +972-549266302

Email:   Alexander.Vainshtein@eci= tele.com

 


_____________________________________= ______________________________________

This e-mail message is = intended for the recipient only and contains information which is =
CONFIDENTIAL and which may be proprietary to ECI Telecom. If you = have received this
transmission in error, please inform us by = e-mail, phone or fax, and then delete the original
and all copies = thereof.
_____________________________________________________________= ______________

------=_NextPart_000_049D_01D2E861.7A55C9C0-- From nobody Sun Jun 18 23:26:18 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A7F051287A3 for ; Sun, 18 Jun 2017 23:26:17 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id gzs10h7t6igk for ; Sun, 18 Jun 2017 23:26:15 -0700 (PDT) Received: from mail-qk0-x229.google.com (mail-qk0-x229.google.com [IPv6:2607:f8b0:400d:c09::229]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D7C0F127601 for ; Sun, 18 Jun 2017 23:26:14 -0700 (PDT) Received: by mail-qk0-x229.google.com with SMTP id r62so26327215qkf.0 for ; Sun, 18 Jun 2017 23:26:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=aGwSclUsPP4kQXr1p//T/AekJBFOzuSIfBqa9OxDsSw=; b=PAM9ipCZLbC8FdkYw0DuKuBuYLXtkEjiWAMfeW/oaORHVeW5PfvNdZRuL+Wl7rLk8L gZmprJvgDweDmRfzyXI3UWVgpMCopBM+Edtc4hIgNNBfnf510+HcaoXFSugeNJ9rZgk5 XoR6MYbHEEE7v6gsPlE5+Xn53f+Hd45k3bSOF0CntdCYKke7oHveXohnGuHAtjRUaJBt nylAkpwD5UwhDo67NXTlevpP+fSPNUx97UMD5VMkeAdT7l67FkEic1xb/teE83IiDv7r VZ1AJYlkMXZF+3PhPBoUckNnzRRJ9GHWsMzQDxNwjiKH1+ytjPD37Q4BfPKVQFcHFl94 eDXQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=aGwSclUsPP4kQXr1p//T/AekJBFOzuSIfBqa9OxDsSw=; b=oG3jbUTjtGkgVLPVV2aUEGvW3fkc+eOXA7ilUH2Nr3ijVCX6yFo/LWAcCb3zhyfE/Y D6fSBBicHknsS+oF3UOZpMFekKz+iUhVnNwiK1twQevNxmgn7WKeyFjF1hJ+52CpODlX 7TkrTpY2+Zlk4QgJLtIeyo61z03h8U0wRB0jLZIiqpiuUlMFM57zfZDU68NrWdCWVsXo /3QnACkmCtZCQjztbFPIccub4qMiobeP1n5iMi2ZjOLYkLPNQ9JA0e6+6FSjjMPHtU5g 5mtEyDl29FBUoRg+TM5+fgLLMoRr3QilTwJrw9VEbX1YXfaHk08W1UWJn/7aactgJMrK n/hQ== X-Gm-Message-State: AKS2vOyhS3rKrkdJqqxCYKunHU/9tpGmJ2C+YCYy/ipKdODH1cn8gzqi yWBIWTaK+UAi9/iZpdUlhq+PVD8g8g== X-Received: by 10.55.133.70 with SMTP id h67mr27675612qkd.125.1497853574001; Sun, 18 Jun 2017 23:26:14 -0700 (PDT) MIME-Version: 1.0 Sender: dhruvdhody@gmail.com X-Google-Sender-Delegation: dhruvdhody@gmail.com Received: by 10.200.55.225 with HTTP; Sun, 18 Jun 2017 23:26:13 -0700 (PDT) In-Reply-To: References: From: Dhruv Dhody Date: Mon, 19 Jun 2017 11:56:13 +0530 X-Google-Sender-Auth: xiqpeSC_J8FK5jLyAtloTzRoYrQ Message-ID: To: Alexander Vainshtein Cc: "jonathan.hardwick@metaswitch.com" , "jpv@cisco.com" , "julien.meuric@orange.com" , Marina Fizgeer , Michael Gorokhovsky , "pce@ietf.org" , Alexander Ferdman Content-Type: multipart/alternative; boundary="94eb2c060edc343adf05524a36ae" Archived-At: Subject: Re: [Pce] Is there any activity related to PCE graceful restart? X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Jun 2017 06:26:18 -0000 --94eb2c060edc343adf05524a36ae Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Sasha, Since you pointed stateful PCE specifically, the draft talks about what to do during a session restart. [ https://tools.ietf.org/html/draft-ietf-pce-stateful-pce-19#section-5.6] There is another draft that talks about optimizing it - https://datatracker.ietf.org/doc/draft-ietf-pce-stateful-sync-optimizations= / Note that we also have re-delagation, which would try to find another active stateful PCE to take over control - [https://tools.ietf.org/html/draft-ietf-pce-stateful-pce-19#section-5.7.5] As Adrian asked, do you have something else in mind when you say GR? Regards, Dhruv On Sun, Jun 18, 2017 at 9:12 PM, Alexander Vainshtein < Alexander.Vainshtein@ecitele.com> wrote: > Re-sending with the correct WG mailing list address=E2=80=A6 > > > > Regards, > > Sasha > > > > Office: +972-39266302 > > Cell: +972-549266302 > > Email: Alexander.Vainshtein@ecitele.com > > > > *From:* Alexander Vainshtein > *Sent:* Sunday, June 18, 2017 6:41 PM > *To:* 'jonathan.hardwick@metaswitch.com' ; > 'jpv@cisco.com' ; 'julien.meuric@orange.com' < > julien.meuric@orange.com> > *Cc:* 'pce@ietf.prg' ; Michael Gorokhovsky < > Michael.Gorokhovsky@ecitele.com>; Marina Fizgeer < > Marina.Fizgeer@ecitele.com>; Alexander Ferdman < > Alexander.Ferdman@ecitele.com> > *Subject:* Is there any activity related to PCE graceful restart? > > > > Hi all, > > My colleagues and I tried to find any work in the PCE WG related to PCEP > graceful restart. > > So far, we did not succeed. This could mean one of the following: > > - Our search did not go deep enough. In this case pointers to > any specific documents would be highly appreciated > > - Such work does not exist because (for some reason) it is not > required. This looks problematic to me, especially if we deal with a > stateful active PCE and the path computed by the PCE was implemented usi= ng > Segment Routing (so that only the head end of the computed path is aware = of > the path). However, I could have missed something obvious, and any > clarifications would be highly appreciated > > - Such work is required but, so far, nobody has taken care of > it. The implications are obvious:-(. > > > > Your feedback would be highly appreciated. > > > > Regards, and lots of thanks in advance, > > Sasha > > > > Office: +972-39266302 > > Cell: +972-549266302 > > Email: Alexander.Vainshtein@ecitele.com > > > > ____________________________________________________________ > _______________ > > This e-mail message is intended for the recipient only and contains > information which is > CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have > received this > transmission in error, please inform us by e-mail, phone or fax, and then > delete the original > and all copies thereof. > ____________________________________________________________ > _______________ > > _______________________________________________ > Pce mailing list > Pce@ietf.org > https://www.ietf.org/mailman/listinfo/pce > > --94eb2c060edc343adf05524a36ae Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Sasha,

Since you p= ointed stateful PCE specifically, the draft talks about what to do during a= =C2=A0session restart. [<= a href=3D"https://tools.ietf.org/html/draft-ietf-pce-stateful-pce-19#sectio= n-5.6">https://tools.ietf.org/html/draft-ietf-pce-stateful-pce-19#section-5= .6]

There is another draft that talks about optimizing it=C2=A0-=C2= =A0https://datatracker.ietf.org/doc/draft-ietf-pce-stateful-s= ync-optimizations/

<= div class=3D"gmail_default" style=3D"font-family:"trebuchet ms",s= ans-serif;color:rgb(12,52,61)">Note that we also have re-= delagation, which would try to find another active stateful PCE to t= ake over control -=C2=A0
[https://tools.ietf.org/html/draft-ietf-pce-stateful-= pce-19#section-5.7.5]

As Adrian asked, do you have something else i= n mind when you say GR?=C2=A0
Regards,
Dhruv


On Sun, Jun 18, 2017 a= t 9:12 PM, Alexander Vainshtein <Alexander.Vainshtein@ecite= le.com> wrote:

Re-sending with the co= rrect WG mailing list address=E2=80=A6

=C2=A0

Regards,=

Sasha

=C2=A0

Office: +972-39266302<= u>

Cell:=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0 +972-549266302

Email:=C2=A0=C2=A0 Alexande= r.Vainshtein@ecitele.com

=C2=A0

From: Alexander Vainshtein
Sent: Sunday, June 18, 2017 6:41 PM
To: 'jonathan.hardwick@metaswitch.com' <jonathan.hardwick= @metaswitch.com>; 'jpv@cisco.com' <jpv@cisco.com>; 'julien.meuric@orange.com' <julien.meuric@orange= .com>
Cc: 'pce@ietf.prg' <pce@ietf.prg>; Michael Gorokhovsky= <M= ichael.Gorokhovsky@ecitele.com>; Marina Fizgeer <Marina.Fizgeer@ecitele= .com>; Alexander Ferdman <Alexander.Ferdman@ecitele.com>
Subject: Is there any activity related to PCE graceful restart?

=C2=A0

Hi all,

My colleagues and I tried to find any work in the PC= E WG related to PCEP graceful restart.

So far, we did not succeed. This could mean one of t= he following:

-=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0 Our search did not go deep en= ough. In this case pointers to any specific documents would be highly appre= ciated

-=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0 Such work does not exist beca= use (for some reason) it is not required. This looks problematic to me, esp= ecially if we deal with a stateful=C2=A0 active PCE and the path computed b= y the PCE was implemented using Segment Routing (so that only the head end of the computed path is aware of the pa= th). However, I could have missed something obvious, and any clarifications= would be highly appreciated

-=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0 Such work is required but, so= far, nobody has taken care of it. The implications are obvious:-(.<= u>

=C2=A0

Your feedback would be highly appreciated.=

=C2=A0

Regards, and lots of thanks in advance,

Sasha

=C2=A0

Office: +972-39266302

Cell:=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 +972-549266302

Email:=C2=A0=C2=A0 Alexander.Vainshtein@ecitele.com<= /a>

=C2=A0


_________________________________________________________________= __________

This e-mail message is intended for the recipient only and contains informa= tion which is
CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have recei= ved this
transmission in error, please inform us by e-mail, phone or fax, and then d= elete the original
and all copies thereof.
_________________________________________________________________= __________

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


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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Agree with Adrian, i support the adoption of the document. BR Daniele From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Adrian Farrel Sent: venerd=EC 16 giugno 2017 18:18 To: 'Jonathan Hardwick' ; pce@ietf.org Cc: draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org; pce-chairs@ietf.= org Subject: Re: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-sch= eduling-05 Excellent news, Jon. Really good that the authors of the two individual I-Ds were able to conver= ge with a true merger (not just piling all the text together). Really nice to see solutions work in support of draft-ietf-teas-scheduled-r= esources which is sitting in TEAS ready for last call but pending exactly t= his work. So, yes, please adopt as a good starting point for your work. Thanks, Adrian From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Jonathan Hardwick Sent: 16 June 2017 16:51 To: pce@ietf.org Cc: draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org; pce-chairs@ietf.org Subject: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-schedul= ing-05 All, This is the start of a two week poll on making draft-zhuang-pce-stateful-pc= e-lsp-scheduling-05 a PCE working group document. https://datatracker.ietf.org/doc/draft-zhuang-pce-stateful-pce-lsp-scheduli= ng/ Please review the draft and send an email to the list indicating "yes/suppo= rt" or "no/do not support". If indicating no, please state your reasons. = If yes, please also feel free to provide comments you'd like to see address= ed once the document is a WG document. The poll ends on Friday, June 30. Many thanks, Jon --_000_AM2PR07MB0994C47F91F86C565C916B88F0C40AM2PR07MB0994eurp_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Agree with Adrian, i support th= e adoption of the document.

 

BR
Daniele 

 

From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Adrian Farrel
Sent: venerd=EC 16 giugno 2017 18:18
To: 'Jonathan Hardwick' <Jonathan.Hardwick@metaswitch.com>; pc= e@ietf.org
Cc: draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org; pce-chair= s@ietf.org
Subject: Re: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-= lsp-scheduling-05

 

Excellent news, Jon.

 

Really good that the authors of the two individual I-= Ds were able to converge with a true merger (not just piling all the text t= ogether).

 

Really nice to see solutions work in support of draft= -ietf-teas-scheduled-resources which is sitting in TEAS ready for last call= but pending exactly this work.

 

So, yes, please adopt as a good starting point for yo= ur work.

 

Thanks,

Adrian

 

 

Al= l,

 

Th= is is the start of a two week poll on making draft-zhuang-pce-stateful-pce-= lsp-scheduling-05 a PCE working group document.

https://datatracker.ietf.org/doc/draft-zhuang-pce-stateful-pc= e-lsp-scheduling/

 

Please review the draft and send an email to the list indicating “ye= s/support” or “no/do not support”.  If indicating no= , please state your reasons.  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 on Friday, June 30.

 

Many thanks,

Jo= n

 

 

--_000_AM2PR07MB0994C47F91F86C565C916B88F0C40AM2PR07MB0994eurp_-- From nobody Mon Jun 19 03:12:47 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7EB8B126D45; Mon, 19 Jun 2017 03:12:46 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.22 X-Spam-Level: X-Spam-Status: No, score=-4.22 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id XNo26CWUM__U; Mon, 19 Jun 2017 03:12:44 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 24D66124E15; 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charset="gb2312" Content-Transfer-Encoding: quoted-printable

+1

Yes/Support

 

-Qin

=B7=A2=BC=FE=C8=CB: Daniele Ceccarelli [m= ailto:daniele.ceccarelli@ericsson.com]
=B7=A2=CB=CD= =CA=B1=BC=E4: 2017=C4=EA6=D4=C2<= span lang=3D"EN-US">19=C8=D5 17:20
=CA=D5=BC=FE=C8=CB: adrian@olddog.co.uk; 'Jonathan Hardwick'; pce@ietf.org
=B3=AD=CB=CD: draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org; pce-chairs@ietf.or= g
=D6=F7=CC=E2: RE: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-scheduling= -05

 

Agree with Adrian, i support th= e adoption of the document.

 =

BR
Daniele 

 =

From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Adrian Farrel
Sent: venerd=A8=AC 16 giugno 2017 18:18
To: 'Jonathan Hardwick' <Jonathan.Hardwick@metaswitch.com>; pce@ietf.org
Cc: draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org; pce-chairs@ietf.org
Subject: Re: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-= lsp-scheduling-05

 = ;

Excellent news, Jon.

 

Really good that the authors of the two individual I-= Ds were able to converge with a true merger (not just piling all the text t= ogether).

 

Really nice to see solutions work in support of draft= -ietf-teas-scheduled-resources which is sitting in TEAS ready for last call= but pending exactly this work.<= /p>

 

So, yes, please adopt as a good starting point for yo= ur work.

 

Thanks,

Adrian

 

From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Jonathan Hardwick
Sent: 16 June 2017 16:51
To: pce@ietf.org
Cc: draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org; pce-chairs@ietf.org
Subject: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-= scheduling-05

&n= bsp;

Al= l,

&n= bsp;

Th= is is the start of a two week poll on making draft-zhuang-pce-stateful-pce-= lsp-scheduling-05 a PCE working group document.

https://datatracker.ietf.org/doc/draft-zhuang-pce-stateful-pc= e-lsp-scheduling/

&n= bsp;

Please review the draft and send an email to the list indicating =A1=B0yes= /support=A1=B1 or =A1=B0no/do not support=A1=B1.  If indicating no, pl= ease state your reasons.  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 on Friday, June 30.

 

Many thanks,

Jo= n

&n= bsp;

&n= bsp;

--_000_B8F9A780D330094D99AF023C5877DABA9A962D11nkgeml513mbxchi_-- From nobody Mon Jun 19 05:02:26 2017 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 04935129B2A; Mon, 19 Jun 2017 05:02:25 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.55.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149787374497.10682.16946958923079281372@ietfa.amsl.com> Date: Mon, 19 Jun 2017 05:02:25 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-stateful-pce-20.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Jun 2017 12:02:25 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element of the IETF. Title : PCEP Extensions for Stateful PCE Authors : Edward Crabbe Ina Minei Jan Medved Robert Varga Filename : draft-ietf-pce-stateful-pce-20.txt Pages : 54 Date : 2017-06-19 Abstract: The Path Computation Element Communication Protocol (PCEP) provides mechanisms for Path Computation Elements (PCEs) to perform path computations in response to Path Computation Clients (PCCs) requests. Although PCEP explicitly makes no assumptions regarding the information available to the PCE, it also makes no provisions for PCE control of timing and sequence of path computations within and across PCEP sessions. This document describes a set of extensions to PCEP to enable stateful control of MPLS-TE and GMPLS LSPs via PCEP. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-stateful-pce/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-stateful-pce-20 https://datatracker.ietf.org/doc/html/draft-ietf-pce-stateful-pce-20 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-stateful-pce-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. 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Thread-Index: AdLoSUaPaJ5st8ByTACHyFEe0ipQnAAAC7fAAAPmRAAAJ3sFoA== Date: Mon, 19 Jun 2017 12:47:38 +0000 Message-ID: References: <049c01d2e859$154fa440$3feeecc0$@olddog.co.uk> In-Reply-To: <049c01d2e859$154fa440$3feeecc0$@olddog.co.uk> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [79.181.99.129] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; DB6PR03MB3030; 7: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 x-ms-office365-filtering-correlation-id: 83fcfc73-6819-4e75-72a6-08d4b7115e19 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: UriScan:; BCL:0; PCL:0; RULEID:(22001)(2017030254075)(48565401081)(201703131423075)(201703031133081); SRVR:DB6PR03MB3030; x-ms-traffictypediagnostic: DB6PR03MB3030: x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(95692535739014)(18271650672692)(21748063052155)(279101305709854); x-exchange-antispam-report-cfa-test: BCL:0; PCL:0; RULEID:(100000700101)(100105000095)(100000701101)(100105300095)(100000702101)(100105100095)(6040450)(601004)(2401047)(8121501046)(5005006)(93006095)(93001095)(3002001)(10201501046)(100000703101)(100105400095)(6055026)(6041248)(20161123558100)(20161123562025)(201703131423075)(201702281528075)(201703061421075)(201703061406153)(20161123555025)(20161123564025)(20161123560025)(6072148)(100000704101)(100105200095)(100000705101)(100105500095); SRVR:DB6PR03MB3030; BCL:0; PCL:0; RULEID:(100000800101)(100110000095)(100000801101)(100110300095)(100000802101)(100110100095)(100000803101)(100110400095)(100000804101)(100110200095)(100000805101)(100110500095); SRVR:DB6PR03MB3030; x-forefront-prvs: 0343AC1D30 x-forefront-antispam-report: SFV:NSPM; SFS:(10019020)(39450400003)(39840400002)(39850400002)(39410400002)(39400400002)(51874003)(252514010)(53754006)(37854004)(377454003)(8936002)(53546009)(478600001)(25786009)(3846002)(102836003)(6116002)(790700001)(2900100001)(2351001)(1730700003)(8676002)(2501003)(81166006)(14454004)(66066001)(72206003)(6436002)(7696004)(33656002)(7736002)(55016002)(5660300001)(54906002)(99286003)(3660700001)(229853002)(9686003)(54896002)(6306002)(2950100002)(6246003)(6506006)(5640700003)(236005)(53936002)(3280700002)(110136004)(74316002)(38730400002)(76176999)(4326008)(2906002)(189998001)(54356999)(50986999); DIR:OUT; SFP:1102; SCL:1; SRVR:DB6PR03MB3030; H:AM4PR03MB1713.eurprd03.prod.outlook.com; FPR:; SPF:None; MLV:sfv; LANG:en; spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: multipart/alternative; boundary="_000_AM4PR03MB171386503D08E60BA49C97A19DC40AM4PR03MB1713eurp_" MIME-Version: 1.0 X-OriginatorOrg: ecitele.com X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Jun 2017 12:47:38.5573 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 2c514a61-08de-4519-b4c0-921fef62c42a X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6PR03MB3030 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [Pce] Is there any activity related to PCE graceful restart? X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Jun 2017 12:47:52 -0000 --_000_AM4PR03MB171386503D08E60BA49C97A19DC40AM4PR03MB1713eurp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Adrian, Lots of thanks for a prompt response. However, our primary interest is the control plane (including PCC) restart= in a network element with separated control and forwarding planes. Specifically, my colleagues and I try to understand, how to make such a re= start non-traffic affecting while: - The network uses Segment Routing for setting up paths computed = by the PCE. This means that these paths are only known to their respective= head-end nodes. This situation is different from the scenario where RSVP-= TE is used to signal these paths, since they cannot be re-learned from the= neighbors as part of the RSVP-TE graceful restart procedures - The protocols used for distributing SR-related information (i.e= ., IGP and BGP SR extensions) are GR-capable, and GR for them is enabled i= n the network - The PCE is an active stateful PCE, i.e., it instructs the head-= end node, which paths should be set up without any requests coming from th= e nodes. Hopefully this clarifies the context for our question. It may well be that the requirement for non-traffic affecting control plan= e restart can be addressed without any changed to the existing protocols. = Alternatively, it is possible that some minor changes (like making the PC= E aware of separation between the control and forwarding planes, negotiati= on of GR capabilities and grace periods etc.) are required. Any inputs would be highly appreciated. Regards, and lots fo thanks in advance, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com From: Adrian Farrel [mailto:adrian@olddog.co.uk] Sent: Sunday, June 18, 2017 8:34 PM To: Alexander Vainshtein ; jonathan.hard= wick@metaswitch.com; jpv@cisco.com; julien.meuric@orange.com Cc: Marina Fizgeer ; Michael Gorokhovsky ; pce@ietf.org; Alexander Ferdman Subject: RE: [Pce] Is there any activity related to PCE graceful restart? Sasha, What are you hoping to achieve? That a restarting PCE can retain its TED and LSP-DB? That a restarting PCE can synch state with the network? That a restarting PCE with outstanding (unanswered) messages in either dir= ection can not need to resend them? That a restarting PCE can resend outstanding (unanswered) messages without= problems caused by duplication? I think you may want to read around the definition of the request-id. Alth= ough 5440 doesn't make it explicit, a lot comes from how you process the r= equest-id. That "a lot" arose from consideration of parallel sessions and = distilled to not needing to write about restart. Cheers, Adrian (resurrecting old memories, possibly not entirely accurately) From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein Sent: 18 June 2017 16:43 To: jonathan.hardwick@metaswitch.com; jpv@cisco.com; julien.meuric@orange.com Cc: Marina Fizgeer; Michael Gorokhovsky; pce@ietf.org= ; Alexander Ferdman Subject: Re: [Pce] Is there any activity related to PCE graceful restart? Re-sending with the correct WG mailing list address... Regards, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com From: Alexander Vainshtein Sent: Sunday, June 18, 2017 6:41 PM To: 'jonathan.hardwick@metaswitch.com' >; 'jpv@cisco.com' >; 'julien.meuric@orange.com' > Cc: 'pce@ietf.prg' >; Michael Gorokhovsk= y = >; Marina Fizgeer >; Alexander Ferdman > Subject: Is there any activity related to PCE graceful restart? Hi all, My colleagues and I tried to find any work in the PCE WG related to PCEP g= raceful restart. So far, we did not succeed. This could mean one of the following: - Our search did not go deep enough. In this case pointers to any= specific documents would be highly appreciated - Such work does not exist because (for some reason) it is not re= quired. This looks problematic to me, especially if we deal with a statefu= l active PCE and the path computed by the PCE was implemented using Segme= nt Routing (so that only the head end of the computed path is aware of the= path). However, I could have missed something obvious, and any clarificat= ions would be highly appreciated - Such work is required but, so far, nobody has taken care of it.= The implications are obvious:-(. Your feedback would be highly appreciated. Regards, and lots of thanks in advance, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com __________________________________________________________________________= _ This e-mail message is intended for the recipient only and contains inform= ation which is CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have rece= ived this transmission in error, please inform us by e-mail, phone or fax, and then = delete the original and all copies thereof. __________________________________________________________________________= _ __________________________________________________________________________= _ This e-mail message is intended for the recipient only and contains inform= ation which is=20 CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have rece= ived this=20 transmission in error, please inform us by e-mail, phone or fax, and then = delete the original=20 and all copies thereof. __________________________________________________________________________= _ --_000_AM4PR03MB171386503D08E60BA49C97A19DC40AM4PR03MB1713eurp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Adrian,

Lots of thanks for a = prompt response.

 

However, our primary = interest is the control plane (including PCC) restart in a network element with sep= arated  control and forwarding planes.

 

Specifically, my coll= eagues and I try to understand, how to make such a restart non-traffic affecting while:

-=           The network uses Segment Routing for setting up paths computed= by the PCE. This means that these paths are only known to their respectiv= e head-end nodes. This situation is different from the scenario where RSVP-TE is used to signal these paths, since they= cannot be re-learned from the neighbors as part of the RSVP-TE graceful r= estart procedures

-=           The protocols used for distributing SR-related information (i.= e., IGP and BGP SR extensions) are GR-capable, and GR for them is enabled = in the network

-=           The PCE is an active stateful PCE, i.e., it instructs the head= -end node, which paths should be set up without any requests coming from t= he nodes.

 

Hopefully this clarif= ies the context for our question.

 

It may well be that t= he requirement for non-traffic affecting control plane restart can be addr= essed without any changed to the existing protocols. Alternatively, it &nb= sp;is possible that some minor changes (like making the PCE aware of separation between the control and forwarding pla= nes, negotiation of GR capabilities and grace periods etc.) are required.

 

Any inputs would be h= ighly appreciated.

 

Regards, and lots fo = thanks in advance,

Sasha

 

Office: +972-3926= 6302

Cell:  &nbs= p;   +972-549266302

Email:   Al= exander.Vainshtein@ecitele.com

 

From: Adrian Farrel [mailto:adrian@olddog.co= .uk]
Sent: Sunday, June 18, 2017 8:34 PM
To: Alexander Vainshtein <Alexander.Vainshtein@ecitele.com>; = jonathan.hardwick@metaswitch.com; jpv@cisco.com; julien.meuric@orange.com<= br> Cc: Marina Fizgeer <Marina.Fizgeer@ecitele.com>; Michael Goro= khovsky <Michael.Gorokhovsky@ecitele.com>; pce@ietf.org; Alexander F= erdman <Alexander.Ferdman@ecitele.com>
Subject: RE: [Pce] Is there=20any activity related to PCE graceful = restart?

 

Sasha,=

 =

What a= re you hoping to achieve?

 =

That a= restarting PCE can retain its TED and LSP-DB?=

That a= restarting PCE can synch state with the network?

That a= restarting PCE with outstanding (unanswered) messages in either direction= can not need to resend them?

That a= restarting PCE can resend outstanding (unanswered) messages without probl= ems caused by duplication?

 =

I thin= k you may want to read around the definition of the request-id. Although 5= 440 doesn't make it explicit, a lot comes from how you process the request= -id. That "a lot" arose from consideration of parallel sessions and distilled to not needing to write about restart.=

 =

Cheers= ,

Adrian= (resurrecting old memories, possibly not entirely accurately)

 =

From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein
Sent: 18 June 2017 16:43
To: jonathan.ha= rdwick@metaswitch.com; jpv@cisco.com; julien.meuric@orange.com
Cc: Marina Fizgeer; Michael Gorokhovsky; pce@ietf.org; Alexander Ferdman
Subject: Re: [Pce] Is there any activity related to PCE graceful re= start?

 

Re-sending with the c= orrect WG mailing list address…

 

Regards,

Sasha

 

Office: +972-3926= 6302

Cell:  &nbs= p;   +972-549266302

Email:   Alexander.Vainshtein@ecitele.com

 

From: Alexander Vainshtein
Sent: Sunday, June 18, 2017 6:41 PM
To: 'jonathan.hardwick@metaswitch.com' <jonathan.hardwick@metaswitch.com>; 'jpv= @cisco.com' <jpv@cisco.com>; 'j= ulien.meuric@orange.com' <j= ulien.meuric@orange.com>
Cc: 'pce@ietf.prg' <pce@ietf.prg= >; Michael Gorokhovsky <Michael.Gorokhovsky@ecitele.com>; Marina Fizgeer <Marina.Fizgeer@ecitele.com&= gt;; Alexander Ferdman <Al= exander.Ferdman@ecitele.com>
Subject: Is there any activity related to PCE graceful restart?

 

Hi all,

My colleagues and I tried to find any work in the P= CE WG related to PCEP graceful restart.

So far, we did not succeed. This could mean one of = the following:

- &nbs= p;        Our search did not go deep enough. In this case pointers to any spe= cific documents would be highly appreciated

- &nbs= p;        Such work does not exist because (for some reason) it is not requir= ed. This looks problematic to me, especially if we deal with a stateful&nb= sp; active PCE and the path computed by the PCE was implemented using Segm= ent Routing (so that only the head end of the computed path is aware of the path). However, I could have missed som= ething obvious, and any clarifications would be highly appreciated

- &nbs= p;        Such work is required but, so far, nobody has taken care of it. The= implications are obvious:-(.

 

Your feedback would be highly appreciated.

 

Regards, and lots of thanks in advance,

Sasha

 

Office: +972-39266302=

Cell:      +972-549266= 302

Email:   Alexander.Vainshtein@ecitele.com

 


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CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have rece= ived this
transmission in error, please inform us by e-mail, phone or fax, and then = delete the original
and all copies thereof.
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IHRoZXJlb2YuPEJSPgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX188QlI+CjwvYm9keT4KPC9odG1sPgoK --_000_AM4PR03MB171344B56FE9C0C768C7908E9DC40AM4PR03MB1713eurp_-- --_004_AM4PR03MB171344B56FE9C0C768C7908E9DC40AM4PR03MB1713eurp_ Content-Type: message/rfc822 Content-Disposition: attachment; creation-date="Mon, 19 Jun 2017 13:32:20 GMT"; modification-date="Mon, 19 Jun 2017 13:32:20 GMT" From: Alexander Vainshtein To: "adrian@olddog.co.uk" CC: Marina Fizgeer , Michael Gorokhovsky , "pce@ietf.org" , "Alexander Ferdman" , "jonathan.hardwick@metaswitch.com" , "jpv@cisco.com" , "julien.meuric@orange.com" Subject: RE: [Pce] Is there any activity related to PCE graceful restart? Thread-Topic: [Pce] Is there any activity related to PCE graceful restart? Thread-Index: AdLoSUaPaJ5st8ByTACHyFEe0ipQnAAAC7fAAAPmRAAAJ3sFoA== Date: Mon, 19 Jun 2017 12:47:38 +0000 References: <049c01d2e859$154fa440$3feeecc0$@olddog.co.uk> In-Reply-To: <049c01d2e859$154fa440$3feeecc0$@olddog.co.uk> Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-organization-originalclientipaddress: 79.181.99.129 x-ms-exchange-organization-originalserveripaddress: fe80::7971:7fe2:9bc5:446a%14 x-ms-exchange-organization-submissionquotaskipped: False Content-Type: multipart/alternative; boundary="_000_7367787672807877677177736965696673707574797480657968677_" MIME-Version: 1.0 --_000_7367787672807877677177736965696673707574797480657968677_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Adrian, Lots of thanks for a prompt response. However, our primary interest is the control plane (including PCC) restart = in a network element with separated control and forwarding planes. Specifically, my colleagues and I try to understand, how to make such a res= tart non-traffic affecting while: - The network uses Segment Routing for setting up paths computed b= y the PCE. This means that these paths are only known to their respective h= ead-end nodes. This situation is different from the scenario where RSVP-TE = is used to signal these paths, since they cannot be re-learned from the nei= ghbors as part of the RSVP-TE graceful restart procedures - The protocols used for distributing SR-related information (i.e.= , IGP and BGP SR extensions) are GR-capable, and GR for them is enabled in = the network - The PCE is an active stateful PCE, i.e., it instructs the head-e= nd node, which paths should be set up without any requests coming from the = nodes. Hopefully this clarifies the context for our question. It may well be that the requirement for non-traffic affecting control plane= restart can be addressed without any changed to the existing protocols. Al= ternatively, it is possible that some minor changes (like making the PCE a= ware of separation between the control and forwarding planes, negotiation o= f GR capabilities and grace periods etc.) are required. Any inputs would be highly appreciated. Regards, and lots fo thanks in advance, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com From: Adrian Farrel [mailto:adrian@olddog.co.uk] Sent: Sunday, June 18, 2017 8:34 PM To: Alexander Vainshtein ; jonathan.hardw= ick@metaswitch.com; jpv@cisco.com; julien.meuric@orange.com Cc: Marina Fizgeer ; Michael Gorokhovsky ; pce@ietf.org; Alexander Ferdman Subject: RE: [Pce] Is there any activity related to PCE graceful restart? Sasha, What are you hoping to achieve? That a restarting PCE can retain its TED and LSP-DB? That a restarting PCE can synch state with the network? That a restarting PCE with outstanding (unanswered) messages in either dire= ction can not need to resend them? That a restarting PCE can resend outstanding (unanswered) messages without = problems caused by duplication? I think you may want to read around the definition of the request-id. Altho= ugh 5440 doesn't make it explicit, a lot comes from how you process the req= uest-id. That "a lot" arose from consideration of parallel sessions and dis= tilled to not needing to write about restart. Cheers, Adrian (resurrecting old memories, possibly not entirely accurately) From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein Sent: 18 June 2017 16:43 To: jonathan.hardwick@metaswitch.com; jpv@cisco.com; julien.meuric@orange.com Cc: Marina Fizgeer; Michael Gorokhovsky; pce@ietf.org;= Alexander Ferdman Subject: Re: [Pce] Is there any activity related to PCE graceful restart? Re-sending with the correct WG mailing list address... Regards, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com From: Alexander Vainshtein Sent: Sunday, June 18, 2017 6:41 PM To: 'jonathan.hardwick@metaswitch.com' >; 'jpv@cisco.com' >; 'julien.meuric@orange.com' > Cc: 'pce@ietf.prg' >; Michael Gorokhovsky= >;= Marina Fizgeer >; Alexander Ferdman > Subject: Is there any activity related to PCE graceful restart? Hi all, My colleagues and I tried to find any work in the PCE WG related to PCEP gr= aceful restart. So far, we did not succeed. This could mean one of the following: - Our search did not go deep enough. In this case pointers to any = specific documents would be highly appreciated - Such work does not exist because (for some reason) it is not req= uired. This looks problematic to me, especially if we deal with a stateful = active PCE and the path computed by the PCE was implemented using Segment = Routing (so that only the head end of the computed path is aware of the pat= h). However, I could have missed something obvious, and any clarifications = would be highly appreciated - Such work is required but, so far, nobody has taken care of it. = The implications are obvious:-(. Your feedback would be highly appreciated. Regards, and lots of thanks in advance, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com ___________________________________________________________________________ This e-mail message is intended for the recipient only and contains informa= tion which is CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have recei= ved this transmission in error, please inform us by e-mail, phone or fax, and then d= elete the original and all copies thereof. ___________________________________________________________________________ --_000_7367787672807877677177736965696673707574797480657968677_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Adrian,

Lots of thanks for a p= rompt response.

 

However, our primary i= nterest is the control plane (including PCC) restart in a network element with sepa= rated  control and forwarding planes.

 

Specifically, my colle= agues and I try to understand, how to make such a restart non-traffic affecting while:

-&n= bsp;         The network uses Segment Routing for setting up paths computed b= y the PCE. This means that these paths are only known to their respective h= ead-end nodes. This situation is different from the scenario where RSVP-TE is used to signal these paths, since they = cannot be re-learned from the neighbors as part of the RSVP-TE graceful res= tart procedures

-&n= bsp;         The protocols used for distributing SR-related information (i.e.= , IGP and BGP SR extensions) are GR-capable, and GR for them is enabled in = the network

-&n= bsp;         The PCE is an active stateful PCE, i.e., it instructs the head-e= nd node, which paths should be set up without any requests coming from the = nodes.

 

Hopefully this clarifi= es the context for our question.

 

It may well be that th= e requirement for non-traffic affecting control plane restart can be addres= sed without any changed to the existing protocols. Alternatively, it  = is possible that some minor changes (like making the PCE aware of separation between the control and forwarding plan= es, negotiation of GR capabilities and grace periods etc.) are required.

 

Any inputs would be hi= ghly appreciated.

 

Regards, and lots fo t= hanks in advance,

Sasha

 

Office: +972-39266= 302

Cell:   = ;   +972-549266302

Email:   Ale= xander.Vainshtein@ecitele.com

 

From: Adrian Farrel [mailto:adrian@olddog.co.= uk]
Sent: Sunday, June 18, 2017 8:34 PM
To: Alexander Vainshtein <Alexander.Vainshtein@ecitele.com>; j= onathan.hardwick@metaswitch.com; jpv@cisco.com; julien.meuric@orange.com Cc: Marina Fizgeer <Marina.Fizgeer@ecitele.com>; Michael Gorok= hovsky <Michael.Gorokhovsky@ecitele.com>; pce@ietf.org; Alexander Fer= dman <Alexander.Ferdman@ecitele.com>
Subject: RE: [Pce] Is there any activity related to PCE graceful res= tart?

 

Sasha,<= /span>

 <= /span>

What ar= e you hoping to achieve?

 <= /span>

That a = restarting PCE can retain its TED and LSP-DB?

That a = restarting PCE can synch state with the network?

That a = restarting PCE with outstanding (unanswered) messages in either direction c= an not need to resend them?

That a = restarting PCE can resend outstanding (unanswered) messages without problem= s caused by duplication?

 <= /span>

I think= you may want to read around the definition of the request-id. Although 544= 0 doesn't make it explicit, a lot comes from how you process the request-id= . That "a lot" arose from consideration of parallel sessions and distilled to not needing to write about restart.<= /span>

 <= /span>

Cheers,=

Adrian = (resurrecting old memories, possibly not entirely accurately)

 <= /span>

From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein
Sent: 18 June 2017 16:43
To: jonathan.har= dwick@metaswitch.com; jpv@cisco.com; julien.meuric@orange.com
Cc: Marina Fizgeer; Michael Gorokhovsky; pce@ietf.org; Alexander Ferdman
Subject: Re: [Pce] Is there any activity related to PCE graceful res= tart?

 

Re-sending with the co= rrect WG mailing list address…=

 

Regards,

Sasha

 

Office: +972-39266= 302

Cell:   = ;   +972-549266302

Email:   Alexander.Vainshtein@ecitele.com=

 

From: Alexander Vainshtein
Sent: Sunday, June 18, 2017 6:41 PM
To: 'jonathan.hardwick@metaswitch.com' <jonathan.hardwick@metaswitch.com>; 'jpv@c= isco.com' <jpv@cisco.com>; 'juli= en.meuric@orange.com' <julie= n.meuric@orange.com>
Cc: 'pce@ietf.prg' <pce@ietf.prg<= /a>>; Michael Gorokhovsky <Michael.Gorokhovsky@ecitele.com>; Marina Fizgeer <Marina.Fizgeer@ecitele.com>; Alexander Ferdman <Ale= xander.Ferdman@ecitele.com>
Subject: Is there any activity related to PCE graceful restart?

 

Hi all,

My colleagues and I tried to find any work in the PC= E WG related to PCEP graceful restart.

So far, we did not succeed. This could mean one of t= he following:

-  = ;        Our search did not go deep enough. In this case pointers to any spec= ific documents would be highly appreciated<= /span>

-  = ;        Such work does not exist because (for some reason) it is not require= d. This looks problematic to me, especially if we deal with a stateful = ; active PCE and the path computed by the PCE was implemented using Segment= Routing (so that only the head end of the computed path is aware of the path). However, I could have missed some= thing obvious, and any clarifications would be highly appreciated

-  = ;        Such work is required but, so far, nobody has taken care of it. The = implications are obvious:-(.

 

Your feedback would be highly appreciated.

 

Regards, and lots of thanks in advance,

Sasha

 

Office: +972-39266302<= /o:p>

Cell:      +972-5492663= 02

Email:   Alexander.Vainshtein@ecitele.com

 


___________________________________________________________________________=

This e-mail message is intended for the recipient only and contains informa= tion which is
CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have recei= ved this
transmission in error, please inform us by e-mail, phone or fax, and then d= elete the original
and all copies thereof.
___________________________________________________________________________=

--_000_7367787672807877677177736965696673707574797480657968677_-- --_004_AM4PR03MB171344B56FE9C0C768C7908E9DC40AM4PR03MB1713eurp_-- From nobody Mon Jun 19 08:22:03 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7ACA1128AFE for ; Mon, 19 Jun 2017 08:22:02 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.62 X-Spam-Level: X-Spam-Status: No, score=-2.62 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id BaVX3otX-C1y for ; Mon, 19 Jun 2017 08:22:00 -0700 (PDT) Received: from asmtp1.iomartmail.com (asmtp1.iomartmail.com [62.128.201.248]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id AFF7B1289B0 for ; Mon, 19 Jun 2017 08:21:59 -0700 (PDT) Received: from asmtp1.iomartmail.com (localhost.localdomain [127.0.0.1]) by asmtp1.iomartmail.com (8.13.8/8.13.8) with ESMTP id v5JFLoHH005326; Mon, 19 Jun 2017 16:21:50 +0100 Received: from 950129200 (73.204.115.87.dyn.plus.net [87.115.204.73]) (authenticated bits=0) by asmtp1.iomartmail.com (8.13.8/8.13.8) with ESMTP id v5JFLnfT005284 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 19 Jun 2017 16:21:50 +0100 Reply-To: From: "Adrian Farrel" To: "'Alexander Vainshtein'" Cc: "'Marina Fizgeer'" , "'Michael Gorokhovsky'" , , "'Alexander Ferdman'" , , , References: <049c01d2e859$154fa440$3feeecc0$@olddog.co.uk> In-Reply-To: Date: Mon, 19 Jun 2017 16:21:47 +0100 Message-ID: <012101d2e90f$c53546b0$4f9fd410$@olddog.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQHmTbBX4QMxGGdKBaKeEL5FVwfquQLNVpOCAUMWQ++h5N2dcA== Content-Language: en-gb X-TM-AS-MML: disable X-TM-AS-Product-Ver: IMSS-7.1.0.1679-8.1.0.1062-23140.005 X-TM-AS-Result: No--16.659-10.0-31-10 X-imss-scan-details: No--16.659-10.0-31-10 X-TMASE-MatchedRID: xcONGPdDH5o4HKI/yaqRm9OEZs/2oH3cQINSFh/JG2MuaIC/E9/9wTcu o3EoNtwLXoZXj/4dTVUvJTEPYp6P+7wgpqcke+dmj5hLPCX3ZdO+F//Mn3a2w0VGS/QHhvCCrzz NBCbWvg6YG6YuMC00WpmNQjNedq04VXlVIx2cI7xIRA38P/dwblq3T8q3Pj2gRviO2G+J23k3N7 Mm4TV25JEiBNnye5Q/Tz43E6pjRP5U4t3V+QM4SkraSPuPii4AQ20mYiAgEUkd2eTpTk/6uHzK3 Q9zSFL7xuV9crSbZiS+PLMV3BTV1QTXSDNNwDFWBEfU2vugRF2TxSVdDMsZvM7EPIkVcg+OWDDq 29j1pJTlD2pwoCz4+Ge0JNmxfzE9qdj16zO5P+Tzh2yKdnl7WJc5WjRQ970UwxCsHBEjkKCM0RM cf031NghLlRep7kgxfyYDewMOrQB3M7/Jzxffcd0H8LFZNFG7NwH7I8fAFRpioCgc+RCzxrHDsm RW0MK58YRLADJoaH4ArXixiNfvxQeL/riJjOPk Archived-At: Subject: Re: [Pce] Is there any activity related to PCE graceful restart? X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Jun 2017 15:22:02 -0000 Hi Sasha, > However, our primary interest is the control plane (including PCC) = restart in a=20 > network element with separated =A0control and forwarding planes.=20 Yup. I assumed control plane restart was the issue. > Specifically, my colleagues and I try to understand, how to make such = a restart > non-traffic affecting while: > - The network uses Segment Routing for setting up paths computed by = the PCE. > This means that these paths are only known to their respective = head-end nodes. > This situation is different from the scenario where RSVP-TE is used = to signal these > paths, since they cannot be re-learned from the neighbors as part = of the RSVP-TE > graceful restart procedures OK, so you are less worried about PCE restart than about restart of = control plane elements in the network. But you are using SR so there is no state (or rather only routing state) = in the network. The state for the path is at the PCE and at the headend, and = nowhere else. So, if a network node restarts, it doesn't matter. If the headend loses state it must relearn it from the PCE. If the PCE = loses state it must relearn it from the headend. > -=A0The protocols used for distributing SR-related information (i.e., = IGP and BGP SR=20 > extensions) are GR-capable, and GR for them is enabled in the = network Right. So that is additional reason to not worry about restart elsewhere = in the network > -=A0The PCE is an active stateful PCE, i.e., it instructs the head-end = node,=20 > which paths should be set up without any requests coming from the > nodes.=20 This makes life easier because we know that the PCE has pushed all of = the paths. So restart is just matter of pushing all of those paths again. It is an implementation question whether the restart has preserved = forwarding plane state. In this case, forwarding plane state is "classification" information, that is "packets of this type get this SID stack". If the forwarding state is saved, data can continue to flow. Restart is = about making sure that the PCE and headend are in synch. If forwarding state is not saved, the PCE must resynch the state before = the headend can use it. It is certainly the case that the failure of a PCEP session does not = result in discard of headend state. That is, the headend can continue to operate = using any state that was pushed by a PCE even after that PCE has failed. This = might be termed "non-stop forwarding" in some protocols in the middle of the = network, but is just normal business for a stateful active PCE. > Hopefully this clarifies the context for our question. It does. > It may well be that the requirement for non-traffic affecting control = plane > restart can be addressed without any changed to the existing = protocols.=20 > Alternatively, it =A0is possible that some minor changes (like making = the PCE > aware of separation between the control and forwarding planes, = negotiation > of GR capabilities and grace periods etc.) are required.=20 > > Any inputs would be highly appreciated. My take-away from the swamp of text above is that: - Network nodes don't need to do anything special except in their relationship with the PCE - A stateful PCE needs to resynch pushed paths for all paths that it has responsibility for upon reconnection with a network node Now we can go and look at the stateful I-D and the PCE-initiated I-D to = see whether we already have enough stuff in the protocol. My belief is that = we do. Cheers, Adrian From nobody Tue Jun 20 11:28:42 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B03E61294A2 for ; Tue, 20 Jun 2017 11:28:41 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.999 X-Spam-Level: X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, MIME_QP_LONG_LINE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id TY8QykZgjtVR for ; Tue, 20 Jun 2017 11:28:39 -0700 (PDT) Received: from mail-pf0-x244.google.com (mail-pf0-x244.google.com [IPv6:2607:f8b0:400e:c00::244]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 715FC127444 for ; Tue, 20 Jun 2017 11:28:39 -0700 (PDT) Received: by mail-pf0-x244.google.com with SMTP id y7so25106019pfd.3 for ; Tue, 20 Jun 2017 11:28:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=user-agent:date:subject:from:to:cc:message-id:thread-topic :references:in-reply-to:mime-version:content-transfer-encoding; bh=jhu3UK7nCYaaV588oK+xdxQY+yENkU7uiTjeo5rkP0o=; b=URh5j5neM/8i10+eNepN5yDOdlk+l/NHOvaeoQnqI1PJ/m2Vxg4PSAhfdYAIQrYE8x bVKmgByZT11PI21q8Z24pYg/AYGnq/eTRXJvjM0Vw4jdq0/qxpL3PugXdsb1+So5xSNc PLn3U12Rr8Axwb+ZNNVZs1RT0MVENzpkHXEVIYWr1uMN5CXE/uOJgp7cpxxU2d6LNloB yptILNWIUspCaZ68QHoNAat4Wsg+4jIekM9r3lL675tmh3wNsFXiZA0QHe+ZALuGSTtx VEU3q3vfHx7k7pXjjHDcjA8vFTSxn4npJ0I0d7T9f3W8RTqMZ2M1a9XZK2azWlKaN7Ei rOxg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:user-agent:date:subject:from:to:cc:message-id :thread-topic:references:in-reply-to:mime-version :content-transfer-encoding; bh=jhu3UK7nCYaaV588oK+xdxQY+yENkU7uiTjeo5rkP0o=; b=RsGEogGXDjSwcumL9Qai0aT79/Z/raMDrWqhESI1XKDXv/Ljx+2FFRG03cjefoxI2k NzYq2XHHvt+k00fyeY9l3ImeQrvvTyY+G/amcL8bB5fAGju5RDwitwpL9UOGQ749x/Fo ntncd8x4BB9D0fJ6cGtIf7W3XKsht+BDXoFk3gTctDfoO33EPERu+jplkHUDzvh3OhVh AGaffLqXJC6YwHlCBKajOEZyrc7xdXyWuYi9jd1kw2XxW7JDWDRC160dDiH7gqJWLzWV DNnoOFWTt3krJVYkYsEsqMrqzQxMttHlzNQMH61tP3ijGfugo24Daq7URSrqoInvjPNY 3DQg== X-Gm-Message-State: AKS2vOzSWbj5nJVAinjk0f30XrrxcnAnw5Ncap2dzlWZDFgBAsRk1qlx /7Ic+Ml5BW5Yaw== X-Received: by 10.98.59.152 with SMTP id w24mr3007273pfj.107.1497983319047; Tue, 20 Jun 2017 11:28:39 -0700 (PDT) Received: from [192.168.254.157] (107-1-141-74-ip-static.hfc.comcastbusiness.net. [107.1.141.74]) by smtp.gmail.com with ESMTPSA id k70sm28737922pfg.72.2017.06.20.11.28.37 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 20 Jun 2017 11:28:38 -0700 (PDT) User-Agent: Microsoft-MacOutlook/f.21.0.170409 Date: Tue, 20 Jun 2017 11:28:39 -0700 From: Jeff Tantsura To: , 'Alexander Vainshtein' CC: 'Michael Gorokhovsky' , , , 'Marina Fizgeer' , 'Alexander Ferdman' Message-ID: <27E6E438-4BF2-458C-9560-68D2B5564E43@gmail.com> Thread-Topic: [Pce] Is there any activity related to PCE graceful restart? References: <049c01d2e859$154fa440$3feeecc0$@olddog.co.uk> <012101d2e90f$c53546b0$4f9fd410$@olddog.co.uk> In-Reply-To: <012101d2e90f$c53546b0$4f9fd410$@olddog.co.uk> Mime-version: 1.0 Content-type: text/plain; charset="UTF-8" Content-transfer-encoding: quoted-printable Archived-At: Subject: Re: [Pce] Is there any activity related to PCE graceful restart? X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Jun 2017 18:28:42 -0000 +1 Adrian. complexity associated with GR (additional state/signaling/etc) wouldn=E2=80=99t b= e justified, given existing means to provide synchronization.=20 =20 Cheers, Jeff =20 On 6/19/17, 08:21, "Pce on behalf of Adrian Farrel" wrote: Hi Sasha, =20 > However, our primary interest is the control plane (including PCC) re= start in a=20 > network element with separated control and forwarding planes.=20 =20 Yup. I assumed control plane restart was the issue. =20 > Specifically, my colleagues and I try to understand, how to make such= a restart > non-traffic affecting while: > - The network uses Segment Routing for setting up paths computed by t= he PCE. > This means that these paths are only known to their respective hea= d-end nodes. > This situation is different from the scenario where RSVP-TE is use= d to signal these > paths, since they cannot be re-learned from the neighbors as part = of the RSVP-TE > graceful restart procedures =20 OK, so you are less worried about PCE restart than about restart of con= trol plane elements in the network. But you are using SR so there is no state (or rather only routing state= ) in the network. The state for the path is at the PCE and at the headend, and n= owhere else. So, if a network node restarts, it doesn't matter. If the headend loses state it must relearn it from the PCE. If the PCE = loses state it must relearn it from the headend. =20 > - The protocols used for distributing SR-related information (i.e., I= GP and BGP SR=20 > extensions) are GR-capable, and GR for them is enabled in the netw= ork =20 Right. So that is additional reason to not worry about restart elsewher= e in the network =20 > - The PCE is an active stateful PCE, i.e., it instructs the head-end = node,=20 > which paths should be set up without any requests coming from the > nodes.=20 =20 This makes life easier because we know that the PCE has pushed all of t= he paths. So restart is just matter of pushing all of those paths again. =20 It is an implementation question whether the restart has preserved forw= arding plane state. In this case, forwarding plane state is "classification" information, that is "packets of this type get this SID stack". =20 If the forwarding state is saved, data can continue to flow. Restart is= about making sure that the PCE and headend are in synch. If forwarding state is not saved, the PCE must resynch the state before= the headend can use it. =20 It is certainly the case that the failure of a PCEP session does not re= sult in discard of headend state. That is, the headend can continue to operate = using any state that was pushed by a PCE even after that PCE has failed. This mig= ht be termed "non-stop forwarding" in some protocols in the middle of the net= work, but is just normal business for a stateful active PCE. =20 > Hopefully this clarifies the context for our question. =20 It does. =20 > It may well be that the requirement for non-traffic affecting control= plane > restart can be addressed without any changed to the existing protocol= s.=20 > Alternatively, it is possible that some minor changes (like making t= he PCE > aware of separation between the control and forwarding planes, negoti= ation > of GR capabilities and grace periods etc.) are required.=20 > > Any inputs would be highly appreciated. =20 My take-away from the swamp of text above is that: - Network nodes don't need to do anything special except in their relationship with the PCE - A stateful PCE needs to resynch pushed paths for all paths that it ha= s responsibility for upon reconnection with a network node =20 Now we can go and look at the stateful I-D and the PCE-initiated I-D to= see whether we already have enough stuff in the protocol. My belief is that= we do. =20 Cheers, Adrian =20 _______________________________________________ Pce mailing list Pce@ietf.org https://www.ietf.org/mailman/listinfo/pce =20 From nobody Tue Jun 20 12:54:11 2017 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 8323A12420B; Tue, 20 Jun 2017 12:54:08 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.55.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149798844848.25003.10334154094049270392@ietfa.amsl.com> Date: Tue, 20 Jun 2017 12:54:08 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-stateful-pce-21.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Jun 2017 19:54:09 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element of the IETF. Title : PCEP Extensions for Stateful PCE Authors : Edward Crabbe Ina Minei Jan Medved Robert Varga Filename : draft-ietf-pce-stateful-pce-21.txt Pages : 54 Date : 2017-06-20 Abstract: The Path Computation Element Communication Protocol (PCEP) provides mechanisms for Path Computation Elements (PCEs) to perform path computations in response to Path Computation Clients (PCCs) requests. Although PCEP explicitly makes no assumptions regarding the information available to the PCE, it also makes no provisions for PCE control of timing and sequence of path computations within and across PCEP sessions. This document describes a set of extensions to PCEP to enable stateful control of MPLS-TE and GMPLS LSPs via PCEP. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-stateful-pce/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-stateful-pce-21 https://datatracker.ietf.org/doc/html/draft-ietf-pce-stateful-pce-21 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-stateful-pce-21 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 20 18:00:30 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5EEFA129B60; Tue, 20 Jun 2017 18:00:28 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.22 X-Spam-Level: X-Spam-Status: No, score=-4.22 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id vpKXUlelBjVr; Tue, 20 Jun 2017 18:00:25 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id CA15D131662; Tue, 20 Jun 2017 18:00:24 -0700 (PDT) Received: from 172.18.7.190 (EHLO lhreml708-cah.china.huawei.com) ([172.18.7.190]) by lhrrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DPN23276; Wed, 21 Jun 2017 01:00:22 +0000 (GMT) Received: from NKGEML414-HUB.china.huawei.com (10.98.56.75) by lhreml708-cah.china.huawei.com (10.201.108.49) with Microsoft SMTP Server (TLS) id 14.3.301.0; Wed, 21 Jun 2017 02:00:21 +0100 Received: from NKGEML513-MBX.china.huawei.com ([169.254.1.25]) by nkgeml414-hub.china.huawei.com ([10.98.56.75]) with mapi id 14.03.0235.001; Wed, 21 Jun 2017 09:00:09 +0800 From: "Zhuangyan (Yan)" To: Dhruv Dhody , Jonathan Hardwick , "pce@ietf.org" CC: "draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org" , "pce-chairs@ietf.org" Thread-Topic: Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-scheduling-05 Thread-Index: AdLmt9r3JyGn65J4SGOReKDT2S5qyAAB4JBwANqNJ3A= Date: Wed, 21 Jun 2017 01:00:09 +0000 Message-ID: <9B4BC45FDEDDD84F813E9E4A5BAF8785A958455F@nkgeml513-mbx.china.huawei.com> References: <23CE718903A838468A8B325B80962F9B8CB235D4@blreml501-mbb> In-Reply-To: <23CE718903A838468A8B325B80962F9B8CB235D4@blreml501-mbb> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.135.170.230] Content-Type: multipart/alternative; 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charset="gb2312" Content-Transfer-Encoding: quoted-printable

+1

Yes/support

 

Yan (as a co-author)

 

=B7=A2=BC=FE=C8=CB: Pce [mailto:pce-bounc= es@ietf.org] =B4=FA=B1=ED = Dhruv Dhody
=B7=A2=CB=CD= =CA=B1=BC=E4: 2017=C4=EA6=D4=C2<= span lang=3D"EN-US">17=C8=D5 0:41
=CA=D5=BC=FE=C8=CB: Jonathan Hardwick; pce@ietf.org
=B3=AD=CB=CD: draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org; pce-chairs@ietf.or= g
=D6=F7=CC=E2: Re: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-scheduling= -05

 

Yes/sup= port!

&n= bsp;

Regards= ,

Dhruv (= as a co-author)

&n= bsp;

From: Pce [mailto:pce-bounces= @ietf.org] On Behalf Of Jonathan Hardwick
Sent: 16 June 2017 21:21
To: pce@ietf.org
Cc: draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org; pce-chairs@ietf.org
Subject: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-= scheduling-05

 

All,

 

This is the start of a two week= poll on making draft-zhuang-pce-stateful-pce-lsp-scheduling-05 a PCE worki= ng group document.

https://datatra= cker.ietf.org/doc/draft-zhuang-pce-stateful-pce-lsp-scheduling/

 

Please review the draft and = send an email to the list indicating =A1=B0yes/support=A1=B1 or =A1=B0no/do= not support=A1=B1.  If indicating no, please state your reasons. = ; 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 on Friday, Jun= e 30.

 

Many thanks,

Jon

 

 

--_000_9B4BC45FDEDDD84F813E9E4A5BAF8785A958455Fnkgeml513mbxchi_-- From nobody Thu Jun 22 01:14:28 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5D6291252BA for ; Thu, 22 Jun 2017 01:14:27 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -5.399 X-Spam-Level: X-Spam-Status: No, score=-5.399 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-2.8, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id LF6dQdq8rHz3 for ; Thu, 22 Jun 2017 01:14:24 -0700 (PDT) Received: from relais-inet.orange.com (mta135.mail.business.static.orange.com [80.12.70.35]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4400E1242F7 for ; Thu, 22 Jun 2017 01:14:24 -0700 (PDT) Received: from opfednr06.francetelecom.fr (unknown [xx.xx.xx.70]) by opfednr21.francetelecom.fr (ESMTP service) with ESMTP id B2CF4C0242; Thu, 22 Jun 2017 10:14:22 +0200 (CEST) Received: from Exchangemail-eme2.itn.ftgroup (unknown [xx.xx.31.72]) by opfednr06.francetelecom.fr (ESMTP service) with ESMTP id 4C3541A00B5; Thu, 22 Jun 2017 10:14:22 +0200 (CEST) Received: from OPEXCLILMA4.corporate.adroot.infra.ftgroup ([fe80::65de:2f08:41e6:ebbe]) by OPEXCLILMA3.corporate.adroot.infra.ftgroup ([fe80::60a9:abc3:86e6:2541%19]) with mapi id 14.03.0352.000; Thu, 22 Jun 2017 10:14:22 +0200 From: To: Alexander Vainshtein , "adrian@olddog.co.uk" CC: Michael Gorokhovsky , "jpv@cisco.com" , "pce@ietf.org" , Marina Fizgeer , Alexander Ferdman Thread-Topic: [Pce] Is there any activity related to PCE graceful restart? Thread-Index: AdLoSUaPaJ5st8ByTACHyFEe0ipQnAAAC7fA///9qwCAAUJZAP/7d/9Q Date: Thu, 22 Jun 2017 08:14:21 +0000 Message-ID: <4496_1498119262_594B7C5E_4496_55_41_9E32478DFA9976438E7A22F69B08FF921E9CABD2@OPEXCLILMA4.corporate.adroot.infra.ftgroup> References: <049c01d2e859$154fa440$3feeecc0$@olddog.co.uk> In-Reply-To: Accept-Language: fr-FR, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.168.234.3] Content-Type: multipart/alternative; boundary="_000_9E32478DFA9976438E7A22F69B08FF921E9CABD2OPEXCLILMA4corp_" MIME-Version: 1.0 Archived-At: Subject: Re: [Pce] Is there any activity related to PCE graceful restart? X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Jun 2017 08:14:27 -0000 --_000_9E32478DFA9976438E7A22F69B08FF921E9CABD2OPEXCLILMA4corp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Sasha, As Dhruv mentioned, restarting a PCE is not a big deal, we have already the= mechanism defined to handle this without traffic disruption. Your email mentions also, PCC control plane restart which is a bit more tri= cky IMO. >From a PCC point of view, I think you request the PCC to keep the dataplane= intact when the PCC process or RSVP process or IS-IS is getting down (duri= ng failure or restart or upgrade...). For the PCC process, I think this cou= ld be addressed by a purely local mechanism. Now I see a case where the PCE needs to keep the state from a PCC when the = PCC restarts =3D> my favorite disjointness use case or any other use case w= here LSPs on other PCCs depends on the LSP of the PCC which is restarting. Let's say that PCC1 owns LSP1, PCC2 owns LSP2. LSP1 and LSP2 depends of each other. If the PCE loses the state of LSP1 because PCC1 restarts, it may reroute LS= P2 on a path that does not fulfill the dependency of the two LSPs anymore w= hile at the same time LSP1 was kept intact by PCC1 from a forwarding plane = point of view. Is it a critical issue ? During a transient period (the PCC restart), some = LSPs may not fulfil their constraint anymore. Does it justify extensions to= the protocol ? I do not have a strong opinion on that: it's always a question of complexit= y to introduce vs gain. Adrian, Dhruv, did I miss something ? Am I wrong ? Brgds, Stephane From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein Sent: Monday, June 19, 2017 14:48 To: adrian@olddog.co.uk Cc: Michael Gorokhovsky; jpv@cisco.com; pce@ietf.org; Marina Fizgeer; Alexa= nder Ferdman Subject: Re: [Pce] Is there any activity related to PCE graceful restart? Adrian, Lots of thanks for a prompt response. However, our primary interest is the control plane (including PCC) restart = in a network element with separated control and forwarding planes. Specifically, my colleagues and I try to understand, how to make such a res= tart non-traffic affecting while: - The network uses Segment Routing for setting up paths computed b= y the PCE. This means that these paths are only known to their respective h= ead-end nodes. This situation is different from the scenario where RSVP-TE = is used to signal these paths, since they cannot be re-learned from the nei= ghbors as part of the RSVP-TE graceful restart procedures - The protocols used for distributing SR-related information (i.e.= , IGP and BGP SR extensions) are GR-capable, and GR for them is enabled in = the network - The PCE is an active stateful PCE, i.e., it instructs the head-e= nd node, which paths should be set up without any requests coming from the = nodes. Hopefully this clarifies the context for our question. It may well be that the requirement for non-traffic affecting control plane= restart can be addressed without any changed to the existing protocols. Al= ternatively, it is possible that some minor changes (like making the PCE a= ware of separation between the control and forwarding planes, negotiation o= f GR capabilities and grace periods etc.) are required. Any inputs would be highly appreciated. Regards, and lots fo thanks in advance, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com From: Adrian Farrel [mailto:adrian@olddog.co.uk] Sent: Sunday, June 18, 2017 8:34 PM To: Alexander Vainshtein >; jonathan.hardwick@metaswitch.com; jpv@cisco.com; julien.meur= ic@orange.com Cc: Marina Fizgeer >; Michael Gorokhovsky >; pce@ietf.org; Alexander F= erdman > Subject: RE: [Pce] Is there any activity related to PCE graceful restart? Sasha, What are you hoping to achieve? That a restarting PCE can retain its TED and LSP-DB? That a restarting PCE can synch state with the network? That a restarting PCE with outstanding (unanswered) messages in either dire= ction can not need to resend them? That a restarting PCE can resend outstanding (unanswered) messages without = problems caused by duplication? I think you may want to read around the definition of the request-id. Altho= ugh 5440 doesn't make it explicit, a lot comes from how you process the req= uest-id. That "a lot" arose from consideration of parallel sessions and dis= tilled to not needing to write about restart. Cheers, Adrian (resurrecting old memories, possibly not entirely accurately) From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein Sent: 18 June 2017 16:43 To: jonathan.hardwick@metaswitch.com; jpv@cisco.com; julien.meuric@orange.com Cc: Marina Fizgeer; Michael Gorokhovsky; pce@ietf.org;= Alexander Ferdman Subject: Re: [Pce] Is there any activity related to PCE graceful restart? Re-sending with the correct WG mailing list address... Regards, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com From: Alexander Vainshtein Sent: Sunday, June 18, 2017 6:41 PM To: 'jonathan.hardwick@metaswitch.com' >; 'jpv@cisco.com' >; 'julien.meuric@orange.com' > Cc: 'pce@ietf.prg' >; Michael Gorokhovsky= >;= Marina Fizgeer >; Alexander Ferdman > Subject: Is there any activity related to PCE graceful restart? Hi all, My colleagues and I tried to find any work in the PCE WG related to PCEP gr= aceful restart. So far, we did not succeed. This could mean one of the following: - Our search did not go deep enough. In this case pointers to any = specific documents would be highly appreciated - Such work does not exist because (for some reason) it is not req= uired. This looks problematic to me, especially if we deal with a stateful = active PCE and the path computed by the PCE was implemented using Segment = Routing (so that only the head end of the computed path is aware of the pat= h). However, I could have missed something obvious, and any clarifications = would be highly appreciated - Such work is required but, so far, nobody has taken care of it. = The implications are obvious:-(. Your feedback would be highly appreciated. Regards, and lots of thanks in advance, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com ___________________________________________________________________________ This e-mail message is intended for the recipient only and contains informa= tion which is CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have recei= ved this transmission in error, please inform us by e-mail, phone or fax, and then d= elete the original and all copies thereof. ___________________________________________________________________________ ___________________________________________________________________________ This e-mail message is intended for the recipient only and contains informa= tion which is CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have recei= ved this transmission in error, please inform us by e-mail, phone or fax, and then d= elete the original and all copies thereof. ___________________________________________________________________________ ___________________________________________________________________________= ______________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confiden= tielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu= ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages el= ectroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme ou = falsifie. Merci. This message and its attachments may contain confidential or privileged inf= ormation that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and dele= te this message and its attachments. As emails may be altered, Orange is not liable for messages that have been = modified, changed or falsified. Thank you. --_000_9E32478DFA9976438E7A22F69B08FF921E9CABD2OPEXCLILMA4corp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi Sasha,

 

As Dhruv mentioned, re= starting a PCE is not a big deal, we have already the mechanism defined to = handle this without traffic disruption.

Your email mentions al= so, PCC control plane restart which is a bit more tricky IMO.

 

From a PCC point of vi= ew, I think you request the PCC to keep the dataplane intact when the PCC p= rocess or RSVP process or IS-IS is getting down (during failure or restart = or upgrade…). For the PCC process, I think this could be addressed by a purely local mechanism.

Now I see a case where= the PCE needs to keep the state from a PCC when the PCC restarts =3D> m= y favorite disjointness use case or any other use case where LSPs on other = PCCs depends on the LSP of the PCC which is restarting.

 

Let’s say that P= CC1 owns LSP1, PCC2 owns LSP2.

LSP1 and LSP2 depends = of each other.

If the PCE loses the s= tate of LSP1 because PCC1 restarts, it may reroute LSP2 on a path that does= not fulfill the dependency of the two LSPs anymore while at the same time = LSP1 was kept intact by PCC1 from a forwarding plane point of view.

 

Is it a critical issue= ? During a transient period (the PCC restart), some LSPs may not fulfil th= eir constraint anymore. Does it justify extensions to the protocol ?

I do not have a strong= opinion on that: it’s always a question of complexity to introduce v= s gain.

 

 

Adrian, Dhruv, did I m= iss something ? Am I wrong ?

 

 

Brgds,

 

Stephane

 

 

From: Pce [mai= lto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein
Sent: Monday, June 19, 2017 14:48
To: adrian@olddog.co.uk
Cc: Michael Gorokhovsky; jpv@cisco.com; pce@ietf.org; Marina Fizgeer= ; Alexander Ferdman
Subject: Re: [Pce] Is there any activity related to PCE graceful res= tart?

 

Adrian,

Lots of thanks for a p= rompt response.

 

However, our primary i= nterest is the control plane (including PCC) restart in a network element with sepa= rated  control and forwarding planes.

 

Specifically, my colle= agues and I try to understand, how to make such a restart non-traffic affecting while:

-    =       The network uses Segment Routing for s= etting up paths computed by the PCE. This means that these paths are only k= nown to their respective head-end nodes. This situation is different from t= he scenario where RSVP-TE is used to signal these paths, since they cannot be re-learned from the neighbors = as part of the RSVP-TE graceful restart procedures

-    =       The protocols used for distributing SR= -related information (i.e., IGP and BGP SR extensions) are GR-capable, and = GR for them is enabled in the network

-    =       The PCE is an active stateful PCE, i.e= ., it instructs the head-end node, which paths should be set up without any= requests coming from the nodes.

 

Hopefully this clarifi= es the context for our question.

 

It may well be that th= e requirement for non-traffic affecting control plane restart can be addres= sed without any changed to the existing protocols. Alternatively, it  = is possible that some minor changes (like making the PCE aware of separation between the control and forwarding plan= es, negotiation of GR capabilities and grace periods etc.) are required.

 

Any inputs would be hi= ghly appreciated.

 

Regards, and lots fo t= hanks in advance,

Sasha

 

Office: +972-39266= 302

Cell:   = ;   +972-549266302

Email:   Alexander.Vainshtein@ecitele.com

 

From: Adrian Farrel [mailto:adrian@olddog.co.uk]
Sent: Sunday, June 18, 2017 8:34 PM
To: Alexander Vainshtein <Alexander.Vainshtein@ecitele.com>; jonathan.hardwick@metas= witch.com; jpv@cisco.com; julien.meuric@orange.com
Cc: Marina Fizgeer <Marina.Fizgeer@ecitele.com>; Michael Gorokhovsky <Michael.Gorokhovsky@ecitele.com>= ;; pce@ietf.org; Alexander Ferdman <Alexander.Ferdman@ecitele.com= >
Subject: RE: [Pce] Is there any activity related to PCE graceful res= tart?

 

Sasha,<= /span>

 <= /span>

What ar= e you hoping to achieve?

 <= /span>

That a = restarting PCE can retain its TED and LSP-DB?

That a = restarting PCE can synch state with the network?

That a = restarting PCE with outstanding (unanswered) messages in either direction c= an not need to resend them?

That a = restarting PCE can resend outstanding (unanswered) messages without problem= s caused by duplication?

 <= /span>

I think= you may want to read around the definition of the request-id. Although 544= 0 doesn't make it explicit, a lot comes from how you process the request-id= . That "a lot" arose from consideration of parallel sessions and distilled to not needing to write about restart.<= /span>

 <= /span>

Cheers,=

Adrian = (resurrecting old memories, possibly not entirely accurately)

 <= /span>

From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein
Sent: 18 June 2017 16:43
To: jonathan.har= dwick@metaswitch.com; jpv@cisco.com; julien.meuric@orange.com
Cc: Marina Fizgeer; Michael Gorokhovsky; pce@ietf.org; Alexander Ferdman
Subject: Re: [Pce] Is there any activity related to PCE graceful res= tart?

 

Re-sending with the co= rrect WG mailing list address…=

 

Regards,

Sasha

 

Office: +972-39266= 302

Cell:   = ;   +972-549266302

Email:   Alexander.Vainshtein@ecitele.com=

 

From: Alexander Vainshtein
Sent: Sunday, June 18, 2017 6:41 PM
To: 'jonathan.hardwick@metaswitch.com' <jonathan.hardwick@metaswitch.com>; 'jpv@c= isco.com' <jpv@cisco.com>; 'juli= en.meuric@orange.com' <julie= n.meuric@orange.com>
Cc: 'pce@ietf.prg' <pce@ietf.prg<= /a>>; Michael Gorokhovsky <Michael.Gorokhovsky@ecitele.com>; Marina Fizgeer <Marina.Fizgeer@ecitele.com>; Alexander Ferdman <Ale= xander.Ferdman@ecitele.com>
Subject: Is there any activity related to PCE graceful restart?

 

Hi all,

My colleagues and I tried to find any work in the PC= E WG related to PCEP graceful restart.

So far, we did not succeed. This could mean one of t= he following:

-=           Our search did not go deep enough. In this case pointers to any spec= ific documents would be highly appreciated<= /span>

-=           Such work does not exist because (for some reason) it is not require= d. This looks problematic to me, especially if we deal with a stateful = ; active PCE and the path computed by the PCE was implemented using Segment= Routing (so that only the head end of the computed path is aware of the path). However, I could have missed some= thing obvious, and any clarifications would be highly appreciated

-=           Such work is required but, so far, nobody has taken care of it. The = implications are obvious:-(.

 

Your feedback would be highly appreciated.

 

Regards, and lots of thanks in advance,

Sasha

 

Office: +972-39266302<= /o:p>

Cell:      +972-5492663= 02

Email:   Alexander.Vainshtein@ecitele.com

 


___________________________________________________________________________=

This e-mail message is intended for the recipient only and contains informa= tion which is
CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have recei= ved this
transmission in error, please inform us by e-mail, phone or fax, and then d= elete the original
and all copies thereof.
___________________________________________________________________________=


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CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have recei= ved this
transmission in error, please inform us by e-mail, phone or fax, and then d= elete the original
and all copies thereof.
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 ce message par erreur, veuillez le signaler
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X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Jun 2017 08:30:41 -0000 --_000_AM4PR03MB17135CC5D89D808236A359699DDB0AM4PR03MB1713eurp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Stephane, Lots of thanks for a prompt and very important (to me) response. Indeed the main use case of interest for my colleagues and myself is the P= CC restart that should be non-traffic affecting if control plane (includin= g the PCC) and forwarding plane have independent life spans. The critical question here is, whether this can be achieved by purely loca= l policies (within the restarting node) or requires some protocol adjustme= nts. Regards, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com From: stephane.litkowski@orange.com [mailto:stephane.litkowski@orange.com]= Sent: Thursday, June 22, 2017 11:14 AM To: Alexander Vainshtein ; adrian@olddog= .co.uk Cc: Michael Gorokhovsky ; jpv@cisco.com; = pce@ietf.org; Marina Fizgeer ; Alexander Ferdm= an Subject: RE: [Pce] Is there any activity related to PCE graceful restart? Hi Sasha, As Dhruv mentioned, restarting a PCE is not a big deal, we have already th= e mechanism defined to handle this without traffic disruption. Your email mentions also, PCC control plane restart which is a bit more tr= icky IMO. >From a PCC point of view, I think you request the PCC to keep the dataplan= e intact when the PCC process or RSVP process or IS-IS is getting down (du= ring failure or restart or upgrade...). For the PCC process, I think this = could be addressed by a purely local mechanism. Now I see a case where the PCE needs to keep the state from a PCC when the= PCC restarts =3D> my favorite disjointness use case or any other use case= where LSPs on other PCCs depends on the LSP of the PCC which is restartin= g. Let's say that PCC1 owns LSP1, PCC2 owns LSP2. LSP1 and LSP2 depends of each other. If the PCE loses the state of LSP1 because PCC1 restarts, it may reroute L= SP2 on a path that does not fulfill the dependency of the two LSPs anymore= while at the same time LSP1 was kept intact by PCC1 from a forwarding pla= ne point of view. Is it a critical issue ? During a transient period (the PCC restart), some= LSPs may not fulfil their constraint anymore. Does it justify extensions = to the protocol ? I do not have a strong opinion on that: it's always a question of complexi= ty to introduce vs gain. Adrian, Dhruv, did I miss something ? Am I wrong ? Brgds, Stephane From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein Sent: Monday, June 19, 2017 14:48 To: adrian@olddog.co.uk Cc: Michael Gorokhovsky; jpv@cisco.com; pce@ietf.org= ; Marina Fizgeer; Alexander Ferdman Subject: Re: [Pce] Is there any activity related to PCE graceful restart? Adrian, Lots of thanks for a prompt response. However, our primary interest is the control plane (including PCC) restart= in a network element with separated control and forwarding planes. Specifically, my colleagues and I try to understand, how to make such a re= start non-traffic affecting while: - =20The network uses Segment Routing for setting up paths compute= d by the PCE. This means that these paths are only known to their respecti= ve head-end nodes. This situation is different from the scenario where RSV= P-TE is used to signal these paths, since they cannot be re-learned from t= he neighbors as part of the RSVP-TE graceful restart procedures - The protocols used for distributing SR-related information (i.e= ., IGP and BGP SR extensions) are GR-capable, and GR for them is enabled i= n the network - The PCE is an active stateful PCE, i.e., it instructs the head-= end node, which paths should be set up without any requests coming from th= e nodes. Hopefully this clarifies the context for our question. It may well be that the requirement for non-traffic affecting control plan= e restart can be addressed without any changed to the existing protocols. = Alternatively, it is possible that some minor changes (like making the PC= E aware of separation between the control and forwarding planes, negotiati= on of GR capabilities and grace periods etc.) are required. Any inputs would be highly appreciated. Regards, and lots fo thanks in advance, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com From: Adrian Farrel [mailto:adrian@olddog.co.uk] Sent: Sunday, June 18, 2017 8:34 PM To: Alexander Vainshtein >; jonathan.hardwick@metaswitch.com; jpv@cisco.com; julien.m= euric@orange.com Cc: Marina Fizgeer >; Michael Gorokhovsky >; pce@ietf.org; Alexande= r Ferdman > Subject: RE: [Pce] Is there any activity related to PCE graceful restart? Sasha, What are you hoping to achieve? That a restarting PCE can retain its TED and LSP-DB? That a restarting PCE can synch state with the network? That a restarting PCE with outstanding (unanswered) messages in either dir= ection can not need to resend them? That a restarting PCE can resend outstanding (unanswered) messages without= problems caused by duplication? I think you may want to read around the definition of the request-id. Alth= ough 5440 doesn't make it explicit, a lot comes from how you process the r= equest-id. That "a lot" arose from consideration of parallel sessions and = distilled to not needing to write about restart. Cheers, Adrian (resurrecting old memories, possibly not entirely accurately) From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein Sent: 18 June 2017 16:43 To: jonathan.hardwick@metaswitch.com; jpv@cisco.com; julien.meuric@orange.com Cc: Marina Fizgeer; Michael Gorokhovsky; pce@ietf.org= ; Alexander Ferdman Subject: Re: [Pce] Is there any activity related to PCE graceful restart? Re-sending with the correct WG mailing list address... Regards, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com From: Alexander Vainshtein Sent: Sunday, June 18, 2017 6:41 PM To: 'jonathan.hardwick@metaswitch.com' >; 'jpv@cisco.com' >; 'julien.meuric@orange.com' > Cc: 'pce@ietf.prg' >; Michael Gorokhovsk= y = >; Marina Fizgeer >; Alexander Ferdman > Subject: Is there any activity related to PCE graceful restart? Hi all, My colleagues and I tried to find any work in the PCE WG related to PCEP g= raceful restart. So far, we did not succeed. This could mean one of the following: - Our search did not go deep enough. In this case pointers to any= specific documents would be highly appreciated - Such work does not exist because (for some reason) it is not re= quired. This looks problematic to me, especially if we deal with a statefu= l active PCE and the path computed by the PCE was implemented using Segme= nt Routing (so that only the head end of the computed path is aware of the= path). However, I could have missed something obvious, and any clarificat= ions would be highly appreciated - Such work is required but, so far, nobody has taken care of it.= The implications are obvious:-(. Your feedback would be highly appreciated. Regards, and lots of thanks in advance, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com __________________________________________________________________________= _ This e-mail message is intended for the recipient only and contains inform= ation which is CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have rece= ived this transmission in error, please inform us by e-mail, phone or fax, and then = delete the original and all copies thereof. __________________________________________________________________________= _ __________________________________________________________________________= _ This e-mail message is intended for the recipient only and contains inform= ation which is CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have rece= ived this transmission in error, please inform us by e-mail, phone or fax, and then = delete the original and all copies thereof. __________________________________________________________________________= _ __________________________________________________________________________= _______________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confide= ntielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez rec= u ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages e= lectroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme ou= falsifie. Merci. This message and its attachments may contain confidential or privileged in= formation that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and del= ete this message and its attachments. As emails may be altered, Orange is not liable for messages that have been= modified, changed or falsified. Thank you. __________________________________________________________________________= _ This e-mail message is intended for the recipient only and contains inform= ation which is=20 CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have rece= ived this=20 transmission in error, please inform us by e-mail, phone or fax, and then = delete the original=20 and all copies thereof. __________________________________________________________________________= _ --_000_AM4PR03MB17135CC5D89D808236A359699DDB0AM4PR03MB1713eurp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Stephane,<= /span>

Lots of thanks for a = prompt and very important (to me) response.

 

Indeed the main use c= ase of interest for my colleagues and myself is the PCC restart that shoul= d be non-traffic affecting if control plane (including the PCC) and forwar= ding plane have independent life spans.

The critical question= here is, whether this can be achieved by purely local policies (within th= e restarting node) or requires=20some protocol adjustments.

 

Regards,

Sasha

 

Office: +972-3926= 6302

Cell:  &nbs= p;   +972-549266302

Email:   Al= exander.Vainshtein@ecitele.com

 

From: stephane.litkowski@orange.com [mailto:= stephane.litkowski@orange.com]
Sent: Thursday, June 22, 2017 11:14 AM
To: Alexander Vainshtein <Alexander.Vainshtein@ecitele.com>; = adrian@olddog.co.uk
Cc: Michael Gorokhovsky <Michael.Gorokhovsky@ecitele.com>; jp= v@cisco.com; pce@ietf.org; Marina Fizgeer <Marina.Fizgeer@ecitele.com&g= t;; Alexander Ferdman <Alexander.Ferdman@ecitele.com>
Subject: RE: [Pce] Is there any activity related to PCE graceful re= start?

 

Hi Sasha,=

 

As Dhruv mentioned, r= estarting a PCE is not a big deal, we have already the mechanism defined t= o handle this without traffic disruption.

Your email mentions a= lso, PCC control plane restart which is a bit more tricky IMO.=

 

From a PCC point of v= iew, I think you request the PCC to keep the dataplane intact when the PCC= process or RSVP process or IS-IS is getting down (during failure or resta= rt or upgrade…). For the PCC process, I think this could be addressed by a purely local mechanism.

Now I see a case wher= e the PCE needs to keep the state from a PCC when the PCC restarts =3D>= my favorite disjointness use case or any other use case where LSPs on oth= er PCCs depends on the LSP of the PCC which is restarting.

 

Let’s say that = PCC1 owns LSP1, PCC2 owns LSP2.

LSP1 and LSP2 depends= of each other.

If the PCE loses the = state of LSP1 because PCC1 restarts, it may reroute LSP2 on a path that do= es not fulfill the dependency of the two LSPs anymore while at the same ti= me LSP1 was kept intact by PCC1 from a forwarding plane point of view.

 

Is it a critical issu= e ? During a transient period (the PCC restart), some LSPs may not fulfil = their constraint anymore. Does it justify extensions to the protocol ?

I do not have a stron= g opinion on that: it’s always a question of complexity to introduce= vs gain.

 

 

Adrian, Dhruv, did I = miss something ? Am I wrong ?

 

 

Brgds,

 

Stephane<= /o:p>

 

 

From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein
Sent: Monday, June 19, 2017 14:48
To: adrian@olddog.co.uk<= br> Cc: Michael Gorokhovsky; jpv@cisco= .com; pce@ietf.org; Marina Fizgeer; Alexande= r Ferdman
Subject: Re: [Pce] Is there any activity related to PCE graceful re= start?

 

Adrian,

Lots of thanks for a = prompt response.

 

However, our primary = interest is the control plane (including PCC) restart in a network element with sep= arated  control and forwarding planes.

 

Specifically, my coll= eagues and I try to understand, how to make such a restart non-traffic affecting while:

-     &n= bsp;    The network uses Segment Routing for = setting up paths computed by the PCE. This means that these paths are only= known to their respective head-end nodes. This situation is different fro= m the scenario where RSVP-TE is used to signal these paths, since they cannot be re-learned from the neighbors= as part of the RSVP-TE graceful restart procedures

-     &n= bsp;    The protocols used for distributing S= R-related information (i.e., IGP and BGP SR extensions) are GR-capable, an= d GR for them is enabled in the network

-     &n= bsp;    The PCE is an active stateful PCE, i.= e., it instructs the head-end node, which paths should be set up without a= ny requests coming from the nodes.

 

Hopefully this clarif= ies the context for our question.

 

It may well be that t= he requirement for non-traffic affecting control plane restart can be addr= essed without any changed to the existing protocols. Alternatively, it &nb= sp;is possible that some minor changes (like making the PCE aware of separation between the control and forwarding pla= nes, negotiation of GR capabilities and grace periods etc.) are required.

 

Any inputs would be h= ighly appreciated.

 

Regards, and lots fo = thanks in advance,

Sasha

 

Office: +972-3926= 6302

Cell:  &nbs= p;   +972-549266302

Email:   Alexander.Vainshtein@ecitele.com

 

From: Adrian Farrel [mailto:adrian@olddog.co.uk]
Sent: Sunday, June 18, 2017 8:34 PM
To: Alexander Vainshtein <Alexander.Vainshtein@ecitele.com>; jonathan.hardwick@meta= switch.com; jpv@cisco.com; julien.meuric@orange.com
Cc: Marina Fizgeer <Marina.Fizgeer@ecitele.com>; Michael Gorokhovsky <Michael.Gorokhovsky@ecitele.com= >; pce@ietf.org; Alexander Ferdman <Alexander.Ferdman@ecitele.c= om>
Subject: RE: [Pce] Is there any activity related to PCE graceful re= start?

 

Sasha,=

 =

What a= re you hoping to achieve?

 =

That a= restarting PCE can retain its TED and LSP-DB?

That a= restarting PCE can synch state with the network?

That a= restarting PCE with outstanding (unanswered) messages in either direction= can not need to resend them?

That a= restarting PCE can resend outstanding (unanswered) messages without probl= ems caused by duplication?

 =

I thin= k you may want to read around the definition of the request-id. Although 5= 440 doesn't make it explicit, a lot comes from how you process the request= -id. That "a lot" arose from consideration of parallel sessions and distilled to not needing to write about restart.=

 =

Cheers= ,

Adrian= (resurrecting old memories, possibly not entirely accurately)=

 =

From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein
Sent: 18 June 2017 16:43
To: jonathan.ha= rdwick@metaswitch.com; jpv@cisco.com; julien.meuric@orange.com
Cc: Marina Fizgeer; Michael Gorokhovsky; pce@ietf.org; Alexander Ferdman
Subject: Re: [Pce] Is there any activity related to PCE graceful re= start?

 

Re-sending with the c= orrect WG mailing list address…

 

Regards,<= /o:p>

Sasha

 

Office: +972-3926= 6302

Cell:  &nbs= p;   +972-549266302

Email:   Alexander.Vainshtein@ecitele.com

 

From: Alexander Vainshtein
Sent: Sunday, June 18, 2017 6:41 PM
To: 'jonathan.hardwick@metaswitch.com' <jonathan.hardwick@metaswitch.com>; 'jpv= @cisco.com' <jpv@cisco.com>; 'j= ulien.meuric@orange.com' <j= ulien.meuric@orange.com>
Cc: 'pce@ietf.prg' <pce@ietf.prg= >; Michael Gorokhovsky <Michael.Gorokhovsky@ecitele.com>; Marina Fizgeer <Marina.Fizgeer@ecitele.com&= gt;; Alexander Ferdman <Al= exander.Ferdman@ecitele.com>
Subject: Is there any activity related to PCE graceful restart?

 

Hi all,

My colleagues and I tried to find any work in the P= CE WG related to PCEP graceful restart.

So far, we did not succeed. This could mean one of = the following:

- &nbs= p;        Our search did not go deep enough. In this case pointers to any spe= cific documents would be highly appreciated

- &nbs= p;        Such work does not exist because (for some reason) it is not requir= ed. This looks problematic to me, especially if we deal with a stateful&nb= sp; active PCE and the path computed by the PCE was implemented using Segm= ent Routing (so that only the head end of the computed path is aware of the path). However, I could have missed som= ething obvious, and any clarifications would be highly appreciated

- &nbs= p;        Such work is required but, so far, nobody has taken care of it. The= implications are obvious:-(.

 

Your feedback would be highly appreciated.

 

Regards,=20and lots of thanks in advance,

Sasha

 

Office: +972-39266302

Cell:      +972-549266= 302

Email:   Alexander.Vainshtein@ecitele.com

 


__________________________________________________________________________= _

This e-mail message is intended for the recipient only and contains inform= ation which is
CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have rece= ived this
transmission in error, please inform us by e-mail, phone or fax, and then = delete the original
and all copies thereof.
__________________________________________________________________________= _


__________________________________________________________________________= _

This e-mail message is intended for the recipient only and contains inform= ation which is
CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have rece= ived this
transmission in error, please inform us by e-mail, phone or fax, and then = delete the original
and all copies thereof.
__________________________________________________________________________= _

_____________________________________________________________________=
____________________________________________________
 
Ce message et ses pieces jointes peuvent contenir des informations co=
nfidentielles ou privilegiees et ne doivent donc
pas etre diffuses, exploites ou copies sans autorisation. Si vous ave=
z recu ce message par erreur, veuillez le signaler
a l'expediteur et le detruire ainsi que les pieces jointes. Les messa=
ges electroniques etant susceptibles d'alteration,
Orange decline toute responsabilite si ce message a ete altere, defor=
me ou falsifie. Merci.
 
This message and its attachments may contain confidential or privileg=
ed information that may be protected by law;
they should not be distributed, used or copied without authorisation.=

If you have received this email in error, please notify the sender an=
d delete this message and its attachments.
As emails may be altered, Orange is not liable for messages that have=
 been modified, changed or falsified.
Thank you.

__________________________________________________________________________= _

This e-mail message is intended for the recipient only and contains inform= ation which is
CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have rece= ived this
transmission in error, please inform us by e-mail, phone or fax, and then = delete the original
and all copies thereof.
__________________________________________________________________________= _
--_000_AM4PR03MB17135CC5D89D808236A359699DDB0AM4PR03MB1713eurp_-- From nobody Thu Jun 22 02:23:10 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5B175129422 for ; Thu, 22 Jun 2017 02:22:58 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.221 X-Spam-Level: X-Spam-Status: No, score=-4.221 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tuQbMKCI9qYE for ; Thu, 22 Jun 2017 02:22:55 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 08CA1129401 for ; Thu, 22 Jun 2017 02:22:53 -0700 (PDT) Received: from 172.18.7.190 (EHLO lhreml703-cah.china.huawei.com) ([172.18.7.190]) by lhrrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DPP81879; Thu, 22 Jun 2017 09:22:52 +0000 (GMT) Received: from BLREML405-HUB.china.huawei.com (10.20.4.41) by lhreml703-cah.china.huawei.com (10.201.108.44) with Microsoft SMTP Server (TLS) id 14.3.301.0; Thu, 22 Jun 2017 10:22:50 +0100 Received: from BLREML501-MBX.china.huawei.com ([10.20.5.198]) by BLREML405-HUB.china.huawei.com ([10.20.4.41]) with mapi id 14.03.0301.000; Thu, 22 Jun 2017 14:52:37 +0530 From: Dhruv Dhody To: "stephane.litkowski@orange.com" , Alexander Vainshtein , "adrian@olddog.co.uk" CC: Marina Fizgeer , Michael Gorokhovsky , "pce@ietf.org" , "jpv@cisco.com" , Alexander Ferdman Thread-Topic: [Pce] Is there any activity related to PCE graceful restart? Thread-Index: AdLoSUaPaJ5st8ByTACHyFEe0ipQnAAAC7fA///C/gCAAUJaAIAEaqOA//+gdzA= Date: Thu, 22 Jun 2017 09:22:36 +0000 Message-ID: <23CE718903A838468A8B325B80962F9B8CB41EFA@blreml501-mbx> References: <049c01d2e859$154fa440$3feeecc0$@olddog.co.uk> <4496_1498119262_594B7C5E_4496_55_41_9E32478DFA9976438E7A22F69B08FF921E9CABD2@OPEXCLILMA4.corporate.adroot.infra.ftgroup> In-Reply-To: <4496_1498119262_594B7C5E_4496_55_41_9E32478DFA9976438E7A22F69B08FF921E9CABD2@OPEXCLILMA4.corporate.adroot.infra.ftgroup> Accept-Language: en-GB, zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.18.149.39] Content-Type: multipart/alternative; boundary="_000_23CE718903A838468A8B325B80962F9B8CB41EFAblreml501mbx_" MIME-Version: 1.0 X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090206.594B8C6C.0090, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: fc84ee6f636f3000ecc5e7a5b480ce0c Archived-At: Subject: Re: [Pce] Is there any activity related to PCE graceful restart? X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Jun 2017 09:22:58 -0000 --_000_23CE718903A838468A8B325B80962F9B8CB41EFAblreml501mbx_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Stephane, Sasha, I agree with your overall assessment. Finer point inline... From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of stephane.litkowski@ora= nge.com Sent: 22 June 2017 13:44 To: Alexander Vainshtein ; adrian@olddog.= co.uk Cc: Marina Fizgeer ; Michael Gorokhovsky ; pce@ietf.org; jpv@cisco.com; Alexander Ferdman= Subject: Re: [Pce] Is there any activity related to PCE graceful restart? Hi Sasha, As Dhruv mentioned, restarting a PCE is not a big deal, we have already the= mechanism defined to handle this without traffic disruption. Your email mentions also, PCC control plane restart which is a bit more tri= cky IMO. >From a PCC point of view, I think you request the PCC to keep the dataplane= intact when the PCC process or RSVP process or IS-IS is getting down (duri= ng failure or restart or upgrade...). For the PCC process, I think this cou= ld be addressed by a purely local mechanism. [[Dhruv Dhody]] I agree. IMO the PCC process can rebuild its state from a l= ocal mechanism, say by data plane (SR label stack), by learning from TE man= ager, RSVP-TE process etc. The session establishment with PCE should be tri= ggered once the state is build, so that state synchronization (and optimiza= tions) work well. And incase this is not possible, the traffic can continue to flow in the ol= d path till a new path is signaled after restart. Is there a case where the= traffic gets impacted and a protocol mechanism can solve it? Now I see a case where the PCE needs to keep the state from a PCC when the = PCC restarts =3D> [[Dhruv Dhody]] Also, when to delete the state learned from the PCC at the = Stateful PCE is also a local matter of the PCE. The State time out is speci= fied from PCC point of view, at PCE the behavior is up to the implementatio= n. For disjoint cases, good to keep the state longer at PCE :) Regards, Dhruv my favorite disjointness use case or any other use case where LSPs on other= PCCs depends on the LSP of the PCC which is restarting. Let's say that PCC1 owns LSP1, PCC2 owns LSP2. LSP1 and LSP2 depends of each other. If the PCE loses the state of LSP1 because PCC1 restarts, it may reroute LS= P2 on a path that does not fulfill the dependency of the two LSPs anymore w= hile at the same time LSP1 was kept intact by PCC1 from a forwarding plane = point of view. Is it a critical issue ? During a transient period (the PCC restart), some = LSPs may not fulfil their constraint anymore. Does it justify extensions to= the protocol ? I do not have a strong opinion on that: it's always a question of complexit= y to introduce vs gain. Adrian, Dhruv, did I miss something ? Am I wrong ? Brgds, Stephane From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein Sent: Monday, June 19, 2017 14:48 To: adrian@olddog.co.uk Cc: Michael Gorokhovsky; jpv@cisco.com; pce@ietf.org<= mailto:pce@ietf.org>; Marina Fizgeer; Alexander Ferdman Subject: Re: [Pce] Is there any activity related to PCE graceful restart? Adrian, Lots of thanks for a prompt response. However, our primary interest is the control plane (including PCC) restart = in a network element with separated control and forwarding planes. Specifically, my colleagues and I try to understand, how to make such a res= tart non-traffic affecting while: - The network uses Segment Routing for setting up paths computed b= y the PCE. This means that these paths are only known to their respective h= ead-end nodes. This situation is different from the scenario where RSVP-TE = is used to signal these paths, since they cannot be re-learned from the nei= ghbors as part of the RSVP-TE graceful restart procedures - The protocols used for distributing SR-related information (i.e.= , IGP and BGP SR extensions) are GR-capable, and GR for them is enabled in = the network - The PCE is an active stateful PCE, i.e., it instructs the head-e= nd node, which paths should be set up without any requests coming from the = nodes. Hopefully this clarifies the context for our question. It may well be that the requirement for non-traffic affecting control plane= restart can be addressed without any changed to the existing protocols. Al= ternatively, it is possible that some minor changes (like making the PCE a= ware of separation between the control and forwarding planes, negotiation o= f GR capabilities and grace periods etc.) are required. Any inputs would be highly appreciated. Regards, and lots fo thanks in advance, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com From: Adrian Farrel [mailto:adrian@olddog.co.uk] Sent: Sunday, June 18, 2017 8:34 PM To: Alexander Vainshtein >; jonathan.hardwick@metaswitch.com; jpv@cisco.com; julien.meur= ic@orange.com Cc: Marina Fizgeer >; Michael Gorokhovsky >; pce@ietf.org; Alexander F= erdman = > Subject: RE: [Pce] Is there any activity related to PCE graceful restart? Sasha, What are you hoping to achieve? That a restarting PCE can retain its TED and LSP-DB? That a restarting PCE can synch state with the network? That a restarting PCE with outstanding (unanswered) messages in either dire= ction can not need to resend them? That a restarting PCE can resend outstanding (unanswered) messages without = problems caused by duplication? I think you may want to read around the definition of the request-id. Altho= ugh 5440 doesn't make it explicit, a lot comes from how you process the req= uest-id. That "a lot" arose from consideration of parallel sessions and dis= tilled to not needing to write about restart. Cheers, Adrian (resurrecting old memories, possibly not entirely accurately) From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein Sent: 18 June 2017 16:43 To: jonathan.hardwick@metaswitch.com; jpv@cisco.com; julien.meuric@orange.com Cc: Marina Fizgeer; Michael Gorokhovsky; pce@ietf.org;= Alexander Ferdman Subject: Re: [Pce] Is there any activity related to PCE graceful restart? Re-sending with the correct WG mailing list address... Regards, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com From: Alexander Vainshtein Sent: Sunday, June 18, 2017 6:41 PM To: 'jonathan.hardwick@metaswitch.com' >; 'jpv@cisco.com' >; 'julien.meuric@orange.com' > Cc: 'pce@ietf.prg' >; Michael Gorokhovsky= >;= Marina Fizgeer >; Alexander Ferdman > Subject: Is there any activity related to PCE graceful restart? Hi all, My colleagues and I tried to find any work in the PCE WG related to PCEP gr= aceful restart. So far, we did not succeed. This could mean one of the following: - Our search did not go deep enough. In this case pointers to any = specific documents would be highly appreciated - Such work does not exist because (for some reason) it is not req= uired. This looks problematic to me, especially if we deal with a stateful = active PCE and the path computed by the PCE was implemented using Segment = Routing (so that only the head end of the computed path is aware of the pat= h). However, I could have missed something obvious, and any clarifications = would be highly appreciated - Such work is required but, so far, nobody has taken care of it. = The implications are obvious:-(. Your feedback would be highly appreciated. Regards, and lots of thanks in advance, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com ___________________________________________________________________________ This e-mail message is intended for the recipient only and contains informa= tion which is CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have recei= ved this transmission in error, please inform us by e-mail, phone or fax, and then d= elete the original and all copies thereof. ___________________________________________________________________________ ___________________________________________________________________________ This e-mail message is intended for the recipient only and contains informa= tion which is CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have recei= ved this transmission in error, please inform us by e-mail, phone or fax, and then d= elete the original and all copies thereof. ___________________________________________________________________________ ___________________________________________________________________________= ______________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confiden= tielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu= ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages el= ectroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme ou = falsifie. Merci. This message and its attachments may contain confidential or privileged inf= ormation that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and dele= te this message and its attachments. As emails may be altered, Orange is not liable for messages that have been = modified, changed or falsified. Thank you. --_000_23CE718903A838468A8B325B80962F9B8CB41EFAblreml501mbx_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi Stephane, Sasha,

 

I agree with your overall assess= ment.

 

Finer point inline…

 

From: Pce [mailto:pce-bounces@ietf.org] On= Behalf Of stephane.litkowski@orange.com
Sent: 22 June 2017 13:44
To: Alexander Vainshtein <Alexander.Vainshtein@ecitele.com>; a= drian@olddog.co.uk
Cc: Marina Fizgeer <Marina.Fizgeer@ecitele.com>; Michael Gorok= hovsky <Michael.Gorokhovsky@ecitele.com>; pce@ietf.org; jpv@cisco.com= ; Alexander Ferdman <Alexander.Ferdman@ecitele.com>
Subject: Re: [Pce] Is there any activity related to PCE graceful res= tart?

 

Hi Sasha,

 

As Dhruv mentioned, re= starting a PCE is not a big deal, we have already the mechanism defined to = handle this without traffic disruption.

Your email mentions al= so, PCC control plane restart which is a bit more tricky IMO.

 

From a PCC point of vi= ew, I think you request the PCC to keep the dataplane intact when the PCC p= rocess or RSVP process or IS-IS is getting down (during failure or restart = or upgrade…). For the PCC process, I think this could be addressed by a purely local mechanism.

[[Dhruv Dhody]] I agree. I= MO the PCC process can rebuild its state from a local mechanism, say by dat= a plane (SR label stack), by learning from TE manager, RSVP-TE process etc. The session establishment with PCE should be= triggered once the state is build, so that state synchronization (and opti= mizations) work well.    

And incase this is not pos= sible, the traffic can continue to flow in the old path till a new path is = signaled after restart. Is there a case where the traffic gets impacted and a protocol mechanism can solve it?

 

Now I see a case where= the PCE needs to keep the state from a PCC when the PCC restarts =3D>

[[Dhruv Dhody]] Also, when= to delete the state learned from the PCC at the Stateful PCE is also a loc= al matter of the PCE. The State time out is specified from PCC point of view, at PCE the behavior is up to the implementation. F= or disjoint cases, good to keep the state longer at PCE :)

 

Regards,=

Dhruv

 

my favorite disjointne= ss use case or any other use case where LSPs on other PCCs depends on the L= SP of the PCC which is restarting.

 

Let’s say that P= CC1 owns LSP1, PCC2 owns LSP2.

LSP1 and LSP2 depends = of each other.

If the PCE loses the s= tate of LSP1 because PCC1 restarts, it may reroute LSP2 on a path that does= not fulfill the dependency of the two LSPs anymore while at the same time = LSP1 was kept intact by PCC1 from a forwarding plane point of view.

 

Is it a critical issue= ? During a transient period (the PCC restart), some LSPs may not fulfil th= eir constraint anymore. Does it justify extensions to the protocol ?

I do not have a strong= opinion on that: it’s always a question of complexity to introduce v= s gain.

 

 

Adrian, Dhruv, did I m= iss something ? Am I wrong ?

 

Brgds,

 

Stephane

 

 

From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein
Sent: Monday, June 19, 2017 14:48
To: adrian@olddog.co.uk Cc: Michael Gorokhovsky; jpv@cisco.= com; pce@ietf.org; Marina Fizgeer; Alexander= Ferdman
Subject: Re: [Pce] Is there any activity related to PCE graceful res= tart?

 

Adrian,

Lots of thanks for a p= rompt response.

 

However, our primary i= nterest is the control plane (including PCC) restart in a network element with sepa= rated  control and forwarding planes.

 

Specifically, my colle= agues and I try to understand, how to make such a restart non-traffic affecting while:

-      = ;    The network uses Segment Routing for s= etting up paths computed by the PCE. This means that these paths are only k= nown to their respective head-end nodes. This situation is different from t= he scenario where RSVP-TE is used to signal these paths, since they cannot be re-learned from the neighbors = as part of the RSVP-TE graceful restart procedures

-      = ;    The protocols used for distributing SR= -related information (i.e., IGP and BGP SR extensions) are GR-capable, and = GR for them is enabled in the network

-      = ;    The PCE is an active stateful PCE, i.e= ., it instructs the head-end node, which paths should be set up without any= requests coming from the nodes.

 

Hopefully this clarifi= es the context for our question.

 

It may well be that th= e requirement for non-traffic affecting control plane restart can be addres= sed without any changed to the existing protocols. Alternatively, it  = is possible that some minor changes (like making the PCE aware of separation between the control and forwarding plan= es, negotiation of GR capabilities and grace periods etc.) are required.

 

Any inputs would be hi= ghly appreciated.

 

Regards, and lots fo t= hanks in advance,

Sasha

 

Office: +972-39266= 302

Cell:   = ;   +972-549266302

Email:   Alexander.Vainshtein@ecitele.com

 

From: Adrian Farrel [mailto:adrian@olddog.co.uk]
Sent: Sunday, June 18, 2017 8:34 PM
To: Alexander Vainshtein <Alexander.Vainshtein@ecitele.com>; jonathan.hardwick@metas= witch.com; jpv@cisco.com; julien.meuric@orange.com
Cc: Marina Fizgeer <Marina.Fizgeer@ecitele.com>; Michael Gorokhovsky <Michael.Gorokhovsky@ecitele.com>= ;; pce@ietf.org; Alexander Ferdman <Alexander.Ferdman@ecitele.com= >
Subject: RE: [Pce] Is there any activity related to PCE graceful res= tart?

 

Sasha,<= /span>

 <= /span>

What ar= e you hoping to achieve?

 <= /span>

That a = restarting PCE can retain its TED and LSP-DB?

That a = restarting PCE can synch state with the network?

That a = restarting PCE with outstanding (unanswered) messages in either direction c= an not need to resend them?

That a = restarting PCE can resend outstanding (unanswered) messages without problem= s caused by duplication?

 <= /span>

I think= you may want to read around the definition of the request-id. Although 544= 0 doesn't make it explicit, a lot comes from how you process the request-id= . That "a lot" arose from consideration of parallel sessions and distilled to not needing to write about restart.<= /span>

 <= /span>

Cheers,=

Adrian = (resurrecting old memories, possibly not entirely accurately)

 <= /span>

From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein
Sent: 18 June 2017 16:43
To: jonathan.har= dwick@metaswitch.com; jpv@cisco.com; julien.meuric@orange.com
Cc: Marina Fizgeer; Michael Gorokhovsky; pce@ietf.org; Alexander Ferdman
Subject: Re: [Pce] Is there any activity related to PCE graceful res= tart?

 

Re-sending with the co= rrect WG mailing list address…=

 

Regards,

Sasha

 

Office: +972-39266= 302

Cell:   = ;   +972-549266302

Email:   Alexander.Vainshtein@ecitele.com=

 

From: Alexander Vainshtein
Sent: Sunday, June 18, 2017 6:41 PM
To: 'jonathan.hardwick@metaswitch.com' <jonathan.hardwick@metaswitch.com>; 'jpv@c= isco.com' <jpv@cisco.com>; 'juli= en.meuric@orange.com' <julie= n.meuric@orange.com>
Cc: 'pce@ietf.prg' <pce@ietf.prg<= /a>>; Michael Gorokhovsky <Michael.Gorokhovsky@ecitele.com>; Marina Fizgeer <Marina.Fizgeer@ecitele.com>; Alexander Ferdman <Ale= xander.Ferdman@ecitele.com>
Subject: Is there any activity related to PCE graceful restart?

 

Hi all,

My colleagues and I tried to find any work in the PC= E WG related to PCEP graceful restart.

So far, we did not succeed. This could mean one of t= he following:

-  = ;        Our search did not go deep enough. In this case pointers to any spec= ific documents would be highly appreciated<= /span>

-  = ;        Such work does not exist because (for some reason) it is not require= d. This looks problematic to me, especially if we deal with a stateful = ; active PCE and the path computed by the PCE was implemented using Segment= Routing (so that only the head end of the computed path is aware of the path). However, I could have missed some= thing obvious, and any clarifications would be highly appreciated

-  = ;        Such work is required but, so far, nobody has taken care of it. The = implications are obvious:-(.

 

Your feedback would be highly appreciated.

 

Regards, and lots of thanks in advance,

Sasha

 

Office: +972-39266302<= /o:p>

Cell:      +972-5492663= 02

Email:   Alexander.Vainshtein@ecitele.com

 


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no X-IETF-IDTracker: 6.55.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149812984763.30682.2819476285868309692@ietfa.amsl.com> Date: Thu, 22 Jun 2017 04:10:47 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-pce-initiated-lsp-10.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Jun 2017 11:10:48 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element of the IETF. Title : PCEP Extensions for PCE-initiated LSP Setup in a Stateful PCE Model Authors : Edward Crabbe Ina Minei Siva Sivabalan Robert Varga Filename : draft-ietf-pce-pce-initiated-lsp-10.txt Pages : 18 Date : 2017-06-22 Abstract: The Path Computation Element Communication Protocol (PCEP) provides mechanisms for Path Computation Elements (PCEs) to perform path computations in response to Path Computation Clients (PCCs) requests. The extensions for stateful PCE provide active control of Multiprotocol Label Switching (MPLS) Traffic Engineering Label Switched Paths (TE LSP) via PCEP, for a model where the PCC delegates control over one or more locally configured LSPs to the PCE. This document describes the creation and deletion of PCE-initiated LSPs under the stateful PCE model. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-pce-initiated-lsp/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-pce-initiated-lsp-10 https://datatracker.ietf.org/doc/html/draft-ietf-pce-pce-initiated-lsp-10 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-pce-initiated-lsp-10 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 Thu Jun 22 04:22:07 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8B507128DF3; Thu, 22 Jun 2017 04:22:06 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.021 X-Spam-Level: X-Spam-Status: No, score=-2.021 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=metaswitch.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id jjkL9MAO4jqD; Thu, 22 Jun 2017 04:22:04 -0700 (PDT) Received: from NAM02-CY1-obe.outbound.protection.outlook.com (mail-cys01nam02on0137.outbound.protection.outlook.com [104.47.37.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 5627112773A; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable This email is to announce that Dan King is standing down as secretary to th= e PCE working group. The chairs would like to place on record our thanks a= nd heartfelt gratitude to Dan for all of the work he did in this role. We = look forward to Dan's involvement with PCE continuing long into the future = as a technical contributor. Thank you, Dan! Dhruv Dhody has kindly agreed to become our new working group secretary, wi= th immediate effect. Please join us in welcoming Dhruv to the role! All the best Jon, Julien & JP --_000_BY2PR0201MB1910DED3C5B19DF3C08C762C84DB0BY2PR0201MB1910_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

This email is to announce that Dan King is standing = down as secretary to the PCE working group.  The chairs would like to = place on record our thanks and heartfelt gratitude to Dan for all of the wo= rk he did in this role.  We look forward to Dan’s involvement with PCE continuing long into the future as a t= echnical contributor.  Thank you, Dan!

 

Dhruv Dhody has kindly agreed to become our new work= ing group secretary, with immediate effect.  Please join us in welcomi= ng Dhruv to the role!

 

All the best

Jon, Julien & JP

 

 

--_000_BY2PR0201MB1910DED3C5B19DF3C08C762C84DB0BY2PR0201MB1910_-- From nobody Thu Jun 22 04:23:12 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id EA16A128AB0 for ; Thu, 22 Jun 2017 04:23:09 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001] autolearn=unavailable autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=danielking-net.20150623.gappssmtp.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id xZ8TfTgQe78o for ; Thu, 22 Jun 2017 04:23:07 -0700 (PDT) Received: from mail-wr0-x22a.google.com (mail-wr0-x22a.google.com [IPv6:2a00:1450:400c:c0c::22a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id EA7F612773A for ; Thu, 22 Jun 2017 04:23:06 -0700 (PDT) Received: by mail-wr0-x22a.google.com with SMTP id k67so18981990wrc.2 for ; Thu, 22 Jun 2017 04:23:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=danielking-net.20150623.gappssmtp.com; s=20150623; h=sender:from:to:cc:references:in-reply-to:subject:date:message-id :mime-version:thread-index:content-language; bh=QNHZCNCa4HSOwHYOwfBn9sDqeANYy7aMAXDCOibFO+M=; b=T+osJa36nBGf4jEAkfpsqEuyOwbutJmk0qd713tPMXnO34IOEBRhAjmQyGZz7XCRI+ 8y/IjB1FhOQF+wKMlsKfrho/H6B93gMDaohUjSTh09uengjrXqrBy3p1ABv0Yg5gFJqh /KzeEHViqvg7LujWDHbHlm4OfCbAHRx8ft/0RJL8PejOyvi1dUgww/dcgyV0fWaQFGoG +YK9KbSu50To7wHyLKANZ0TlVst1nwS8EAYokEZDRYP27W15bG82CYBmg0K34DI8lPrO sjjfqVgy24bcIvUtR5JwnX+nXtfRWHCdgEaWiO8EeSsLzppKQZOojj5dlx0vSE3EHDr3 isyw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:references:in-reply-to:subject :date:message-id:mime-version:thread-index:content-language; bh=QNHZCNCa4HSOwHYOwfBn9sDqeANYy7aMAXDCOibFO+M=; b=Eh/UszRTwNXnmxRhgsrpTcjKJPFyCLRc+n9xbbZICLmLWQBdYX85ORHqELml9/c8nw nVZgFduImcDgP7HTXeFg7LZxaBC7evcYTF2q4eu2CIKFu77jhGeMughBDjLsD6Gr4WNA 2nQARHYd4GFzVbIx7b6oPY0aaY6mXeZ5RrPfwDw2QkywHQFNvPiHiNEs8+mPSMBeaKco tATJnw4ync1rlPXCxm5AhSgUsJ63H5sim6Cupj29uXmTzNSQXui2qDIeRu82i2RYy3rB x27125MZrzYjeaDimEAYJG9oAX5dEpNrUv6V7ZH359snpLnK3BrMnGaNfkb8o4apxJos Gaxw== X-Gm-Message-State: AKS2vOxc704SuW758xELVC3eMb1JN5+jbfNil6jzfSKuFhSD7m6QjWlV tAfXycTu4HrZ8AZ4 X-Received: by 10.28.13.211 with SMTP id 202mr1358451wmn.23.1498130585364; Thu, 22 Jun 2017 04:23:05 -0700 (PDT) Received: from INARA ([195.171.79.163]) by smtp.gmail.com with ESMTPSA id e24sm1151108wrc.35.2017.06.22.04.23.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 22 Jun 2017 04:23:04 -0700 (PDT) Sender: Daniel King X-Google-Original-Sender: "Daniel King" From: To: "'Jonathan Hardwick'" , Cc: , "'Dhruv Dhody'" References: In-Reply-To: Date: Thu, 22 Jun 2017 12:23:04 +0100 Message-ID: <00c601d2eb49$eb0af6f0$c120e4d0$@olddog.co.uk> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00C7_01D2EB52.4CCFD420" X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQF/8xD1qEHajot2IVmErSJpbf00TaLWrZEg Content-Language: en-gb Archived-At: Subject: Re: [Pce] PCE working group secretary X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Jun 2017 11:23:10 -0000 This is a multipart message in MIME format. ------=_NextPart_000_00C7_01D2EB52.4CCFD420 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Thank you Dhruv! BR, Dan. From: Jonathan Hardwick [mailto:Jonathan.Hardwick@metaswitch.com] Sent: 22 June 2017 12:22 To: pce@ietf.org Cc: pce-chairs@ietf.org; Daniel King ; Dhruv Dhody Subject: PCE working group secretary This email is to announce that Dan King is standing down as secretary to the PCE working group. The chairs would like to place on record our thanks and heartfelt gratitude to Dan for all of the work he did in this role. We look forward to Dan's involvement with PCE continuing long into the future as a technical contributor. Thank you, Dan! Dhruv Dhody has kindly agreed to become our new working group secretary, with immediate effect. Please join us in welcoming Dhruv to the role! All the best Jon, Julien & JP ------=_NextPart_000_00C7_01D2EB52.4CCFD420 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Thank you Dhruv!

 

BR, Dan. =

 

From: Jonathan Hardwick = [mailto:Jonathan.Hardwick@metaswitch.com]
Sent: 22 June 2017 = 12:22
To: pce@ietf.org
Cc: pce-chairs@ietf.org; = Daniel King <dk@danielking.net>; Dhruv Dhody = <dhruv.ietf@gmail.com>
Subject: PCE working group = secretary

 

This email = is to announce that Dan King is standing down as secretary to the PCE = working group.  The chairs would like to place on record our thanks = and heartfelt gratitude to Dan for all of the work he did in this = role.  We look forward to Dan’s involvement with PCE = continuing long into the future as a technical contributor.  Thank = you, Dan!

 

Dhruv Dhody has kindly agreed to become our new = working group secretary, with immediate effect.  Please join us in = welcoming Dhruv to the role!

 

All the = best

Jon, Julien & = JP

 

 

------=_NextPart_000_00C7_01D2EB52.4CCFD420-- From nobody Thu Jun 22 15:27:22 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7B51E1294BF; Thu, 22 Jun 2017 15:27:21 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.999 X-Spam-Level: X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id c7GpGlafJeAZ; Thu, 22 Jun 2017 15:27:19 -0700 (PDT) Received: from mail-wr0-x230.google.com (mail-wr0-x230.google.com [IPv6:2a00:1450:400c:c0c::230]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 445F6127873; Thu, 22 Jun 2017 15:27:19 -0700 (PDT) Received: by mail-wr0-x230.google.com with SMTP id 77so42025131wrb.1; Thu, 22 Jun 2017 15:27:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=2BEOtZM07OIwngYzz+dILHocAVSmirnNwS2ooqur8n8=; b=avohnKebqVQXw5BUZYyTxIWntH9wjWFzmiMz/XAXB12IgSGZlka8awBK3KEyxCg4xu Y1XESeedNd1I+FjX0FMCiMhy1/34UXnZO8bKWO5wz5WLTWqJbD7oC/WC6t8/vndBsRRC aCj9RrO2sB92QgWfaK4lxTQM4zIR4kLujgWnpYyvsnFim+35bYE9AEsAH89v79D5y0c8 QL7ftCX+shYqDsZsE3aam4YQCi428sAWu1LtxX+KhzyM2iC6gtuZngz4EEXzXulvIBgW t1MCXfVrAnjm9ZL9HT6m34he9/mzsEXG9BCnvNq5zyNH11scwNQq1vS9hODvwNUbQbhZ sXOw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=2BEOtZM07OIwngYzz+dILHocAVSmirnNwS2ooqur8n8=; b=oC1b05E2lrSj4BE0l0cI7edu9epz04jlglNUclqVJtFf7B2AWXbjVW/xaAae3xmtLa WkSMndrfryXjjo3GpKu4TRiAjbd2Dyooo51nDnBJc8Kr5dTYYY52yraJn9hHqA0cm5Ql 7BX3cWfG8sTXaZ/tWbBuSqjQCYmXNUpkQOC1ioHsm04zgGB9nNn3Cv08iOFxtDaNI5QB cKTGVJ/VZ9PW5sc25F+EnnV2DfC1ToB73hIrmO42YUmjK2iiL2UCJNZbBlMr+er7tp5g a5QGS/HZv7LbmmXTD7PcXIMtbzSrlHLScUHfQ+Tco/9/VAwZARtetDtYFtQ6SwJ8o7QY 2Qlw== X-Gm-Message-State: AKS2vOzEZC2H1gYYhTFt39bqgyKFp7nwEc6MyW1PiTmB36NDrsyKzVbO 2qepMXoqiOrE5SPwXkvOuFq5uZG8NQ== X-Received: by 10.80.145.25 with SMTP id e25mr4026387eda.8.1498170437877; Thu, 22 Jun 2017 15:27:17 -0700 (PDT) MIME-Version: 1.0 References: <00c601d2eb49$eb0af6f0$c120e4d0$@olddog.co.uk> In-Reply-To: <00c601d2eb49$eb0af6f0$c120e4d0$@olddog.co.uk> From: Jeff Tantsura Date: Thu, 22 Jun 2017 22:27:07 +0000 Message-ID: To: daniel@olddog.co.uk, Jonathan Hardwick , pce@ietf.org Cc: pce-chairs@ietf.org Content-Type: multipart/alternative; boundary="f403045c155ec34855055293fc7f" Archived-At: Subject: Re: [Pce] PCE working group secretary X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Jun 2017 22:27:21 -0000 --f403045c155ec34855055293fc7f Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Thanks Dan and welcome Dhruv! On Thu, Jun 22, 2017 at 04:23 wrote: > Thank you Dhruv! > > > > BR, Dan. > > > > *From:* Jonathan Hardwick [mailto:Jonathan.Hardwick@metaswitch.com] > *Sent:* 22 June 2017 12:22 > *To:* pce@ietf.org > *Cc:* pce-chairs@ietf.org; Daniel King ; Dhruv Dhody < > dhruv.ietf@gmail.com> > *Subject:* PCE working group secretary > > > > This email is to announce that Dan King is standing down as secretary to > the PCE working group. The chairs would like to place on record our than= ks > and heartfelt gratitude to Dan for all of the work he did in this role. = We > look forward to Dan=E2=80=99s involvement with PCE continuing long into t= he future > as a technical contributor. Thank you, Dan! > > > > Dhruv Dhody has kindly agreed to become our new working group secretary, > with immediate effect. Please join us in welcoming Dhruv to the role! > > > > All the best > > Jon, Julien & JP > > > > > _______________________________________________ > Pce mailing list > Pce@ietf.org > https://www.ietf.org/mailman/listinfo/pce > --f403045c155ec34855055293fc7f Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Thanks Dan and welcome Dhruv!
On Thu, Jun 22, 2017 at 04:23 <= daniel@olddog.co.uk> wrote:
=

Thank you Dhruv!

=C2=A0

BR, Dan.

=C2=A0

From:= Jonathan Hardwick [mailto:Jonathan.Hardwick@metaswitch.com= ]
Sent: 22 June 2017 12:22
To: pce@ietf.org
Cc: pce-chairs@ietf.org; Daniel= King <dk@danielk= ing.net>; Dhruv Dhody <dhruv.ietf@gmail.com>
Subject: PCE working= group secretary

=C2=A0

This email is to announce that Dan King is standing down as = secretary to the PCE working group.=C2=A0 The chairs would like to place on= record our thanks and heartfelt gratitude to Dan for all of the work he di= d in this role.=C2=A0 We look forward to Dan=E2=80=99s involvement with PCE= continuing long into the future as a technical contributor.=C2=A0 Thank yo= u, Dan!

=C2=A0

Dhruv Dhody has kindly agreed to become our new working= group secretary, with immediate effect.=C2=A0 Please join us in welcoming = Dhruv to the role!

=C2=A0=

All the best

Jon, Julien & JP

=C2=A0

=C2=A0

_______________________________________________
Pce mailing list
Pce@ietf.org
https://www.ietf.org/mailman/listinfo/pce
--f403045c155ec34855055293fc7f-- From nobody Fri Jun 23 00:09:33 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0FB7312E045 for ; Fri, 23 Jun 2017 00:09:31 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.618 X-Spam-Level: X-Spam-Status: No, score=-2.618 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9m66H9O2CZ2l for ; Fri, 23 Jun 2017 00:09:27 -0700 (PDT) Received: from relais-inet.orange.com (mta134.mail.business.static.orange.com [80.12.70.34]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6DAAE12E042 for ; Fri, 23 Jun 2017 00:09:27 -0700 (PDT) Received: from opfednr01.francetelecom.fr (unknown [xx.xx.xx.65]) by opfednr22.francetelecom.fr (ESMTP service) with ESMTP id 44D26206E4; Fri, 23 Jun 2017 09:09:26 +0200 (CEST) Received: from Exchangemail-eme2.itn.ftgroup (unknown [xx.xx.31.34]) by opfednr01.francetelecom.fr (ESMTP service) with ESMTP id 057421A00A6; Fri, 23 Jun 2017 09:09:26 +0200 (CEST) Received: from OPEXCLILMA4.corporate.adroot.infra.ftgroup ([fe80::65de:2f08:41e6:ebbe]) by OPEXCLILM6F.corporate.adroot.infra.ftgroup ([fe80::bd00:88f8:8552:3349%17]) with mapi id 14.03.0352.000; Fri, 23 Jun 2017 09:09:25 +0200 From: To: Dhruv Dhody , Alexander Vainshtein , "adrian@olddog.co.uk" CC: Marina Fizgeer , Michael Gorokhovsky , "pce@ietf.org" , "jpv@cisco.com" , Alexander Ferdman Thread-Topic: [Pce] Is there any activity related to PCE graceful restart? Thread-Index: AdLoSUaPaJ5st8ByTACHyFEe0ipQnAAAC7fA///9qwCAAUJZAP/7d/9QgAkFtgD//nNzsA== Date: Fri, 23 Jun 2017 07:09:25 +0000 Message-ID: <16691_1498201766_594CBEA6_16691_92_1_9E32478DFA9976438E7A22F69B08FF921E9CB4CA@OPEXCLILMA4.corporate.adroot.infra.ftgroup> References: <049c01d2e859$154fa440$3feeecc0$@olddog.co.uk> <4496_1498119262_594B7C5E_4496_55_41_9E32478DFA9976438E7A22F69B08FF921E9CABD2@OPEXCLILMA4.corporate.adroot.infra.ftgroup> <23CE718903A838468A8B325B80962F9B8CB41EFA@blreml501-mbx> In-Reply-To: <23CE718903A838468A8B325B80962F9B8CB41EFA@blreml501-mbx> Accept-Language: fr-FR, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.168.234.3] Content-Type: multipart/alternative; boundary="_000_9E32478DFA9976438E7A22F69B08FF921E9CB4CAOPEXCLILMA4corp_" MIME-Version: 1.0 Archived-At: Subject: Re: [Pce] Is there any activity related to PCE graceful restart? X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Jun 2017 07:09:31 -0000 --_000_9E32478DFA9976438E7A22F69B08FF921E9CB4CAOPEXCLILMA4corp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Dhruv, If the PCE keeps a "stale state" from the PCC, in the framework of state-sy= nc, we need a way to indicate to other PCEs that the state is stale, so if = the master PCE is another PCE, it will not try to update the state for this= LSP until the PCC is back online. Brgds, From: Dhruv Dhody [mailto:dhruv.dhody@huawei.com] Sent: Thursday, June 22, 2017 11:23 To: LITKOWSKI Stephane OBS/OINIS; Alexander Vainshtein; adrian@olddog.co.uk Cc: Marina Fizgeer; Michael Gorokhovsky; pce@ietf.org; jpv@cisco.com; Alexa= nder Ferdman Subject: RE: [Pce] Is there any activity related to PCE graceful restart? Hi Stephane, Sasha, I agree with your overall assessment. Finer point inline... From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of stephane.litkowski@ora= nge.com Sent: 22 June 2017 13:44 To: Alexander Vainshtein >; adrian@olddog.co.uk Cc: Marina Fizgeer >; Michael Gorokhovsky >; pce@ietf.org; jpv@cisco.c= om; Alexander Ferdman > Subject: Re: [Pce] Is there any activity related to PCE graceful restart? Hi Sasha, As Dhruv mentioned, restarting a PCE is not a big deal, we have already the= mechanism defined to handle this without traffic disruption. Your email mentions also, PCC control plane restart which is a bit more tri= cky IMO. >From a PCC point of view, I think you request the PCC to keep the dataplane= intact when the PCC process or RSVP process or IS-IS is getting down (duri= ng failure or restart or upgrade...). For the PCC process, I think this cou= ld be addressed by a purely local mechanism. [[Dhruv Dhody]] I agree. IMO the PCC process can rebuild its state from a l= ocal mechanism, say by data plane (SR label stack), by learning from TE man= ager, RSVP-TE process etc. The session establishment with PCE should be tri= ggered once the state is build, so that state synchronization (and optimiza= tions) work well. And incase this is not possible, the traffic can continue to flow in the ol= d path till a new path is signaled after restart. Is there a case where the= traffic gets impacted and a protocol mechanism can solve it? Now I see a case where the PCE needs to keep the state from a PCC when the = PCC restarts =3D> [[Dhruv Dhody]] Also, when to delete the state learned from the PCC at the = Stateful PCE is also a local matter of the PCE. The State time out is speci= fied from PCC point of view, at PCE the behavior is up to the implementatio= n. For disjoint cases, good to keep the state longer at PCE :) Regards, Dhruv my favorite disjointness use case or any other use case where LSPs on other= PCCs depends on the LSP of the PCC which is restarting. Let's say that PCC1 owns LSP1, PCC2 owns LSP2. LSP1 and LSP2 depends of each other. If the PCE loses the state of LSP1 because PCC1 restarts, it may reroute LS= P2 on a path that does not fulfill the dependency of the two LSPs anymore w= hile at the same time LSP1 was kept intact by PCC1 from a forwarding plane = point of view. Is it a critical issue ? During a transient period (the PCC restart), some = LSPs may not fulfil their constraint anymore. Does it justify extensions to= the protocol ? I do not have a strong opinion on that: it's always a question of complexit= y to introduce vs gain. Adrian, Dhruv, did I miss something ? Am I wrong ? Brgds, Stephane From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein Sent: Monday, June 19, 2017 14:48 To: adrian@olddog.co.uk Cc: Michael Gorokhovsky; jpv@cisco.com; pce@ietf.org<= mailto:pce@ietf.org>; Marina Fizgeer; Alexander Ferdman Subject: Re: [Pce] Is there any activity related to PCE graceful restart? Adrian, Lots of thanks for a prompt response. However, our primary interest is the control plane (including PCC) restart = in a network element with separated control and forwarding planes. Specifically, my colleagues and I try to understand, how to make such a res= tart non-traffic affecting while: - The network uses Segment Routing for setting up paths computed b= y the PCE. This means that these paths are only known to their respective h= ead-end nodes. This situation is different from the scenario where RSVP-TE = is used to signal these paths, since they cannot be re-learned from the nei= ghbors as part of the RSVP-TE graceful restart procedures - The protocols used for distributing SR-related information (i.e.= , IGP and BGP SR extensions) are GR-capable, and GR for them is enabled in = the network - The PCE is an active stateful PCE, i.e., it instructs the head-e= nd node, which paths should be set up without any requests coming from the = nodes. Hopefully this clarifies the context for our question. It may well be that the requirement for non-traffic affecting control plane= restart can be addressed without any changed to the existing protocols. Al= ternatively, it is possible that some minor changes (like making the PCE a= ware of separation between the control and forwarding planes, negotiation o= f GR capabilities and grace periods etc.) are required. Any inputs would be highly appreciated. Regards, and lots fo thanks in advance, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com From: Adrian Farrel [mailto:adrian@olddog.co.uk] Sent: Sunday, June 18, 2017 8:34 PM To: Alexander Vainshtein >; jonathan.hardwick@metaswitch.com; jpv@cisco.com; julien.meur= ic@orange.com Cc: Marina Fizgeer >; Michael Gorokhovsky >; pce@ietf.org; Alexander F= erdman > Subject: RE: [Pce] Is there any activity related to PCE graceful restart? Sasha, What are you hoping to achieve? That a restarting PCE can retain its TED and LSP-DB? That a restarting PCE can synch state with the network? That a restarting PCE with outstanding (unanswered) messages in either dire= ction can not need to resend them? That a restarting PCE can resend outstanding (unanswered) messages without = problems caused by duplication? I think you may want to read around the definition of the request-id. Altho= ugh 5440 doesn't make it explicit, a lot comes from how you process the req= uest-id. That "a lot" arose from consideration of parallel sessions and dis= tilled to not needing to write about restart. Cheers, Adrian (resurrecting old memories, possibly not entirely accurately) From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein Sent: 18 June 2017 16:43 To: jonathan.hardwick@metaswitch.com; jpv@cisco.com; julien.meuric@orange.com Cc: Marina Fizgeer; Michael Gorokhovsky; pce@ietf.org;= Alexander Ferdman Subject: Re: [Pce] Is there any activity related to PCE graceful restart? Re-sending with the correct WG mailing list address... Regards, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com From: Alexander Vainshtein Sent: Sunday, June 18, 2017 6:41 PM To: 'jonathan.hardwick@metaswitch.com' >; 'jpv@cisco.com' >; 'julien.meuric@orange.com' > Cc: 'pce@ietf.prg' >; Michael Gorokhovsky= >;= Marina Fizgeer >; Alexander Ferdman > Subject: Is there any activity related to PCE graceful restart? Hi all, My colleagues and I tried to find any work in the PCE WG related to PCEP gr= aceful restart. So far, we did not succeed. This could mean one of the following: - Our search did not go deep enough. In this case pointers to any = specific documents would be highly appreciated - Such work does not exist because (for some reason) it is not req= uired. This looks problematic to me, especially if we deal with a stateful = active PCE and the path computed by the PCE was implemented using Segment = Routing (so that only the head end of the computed path is aware of the pat= h). However, I could have missed something obvious, and any clarifications = would be highly appreciated - Such work is required but, so far, nobody has taken care of it. = The implications are obvious:-(. Your feedback would be highly appreciated. Regards, and lots of thanks in advance, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com ___________________________________________________________________________ This e-mail message is intended for the recipient only and contains informa= tion which is CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have recei= ved this transmission in error, please inform us by e-mail, phone or fax, and then d= elete the original and all copies thereof. ___________________________________________________________________________ ___________________________________________________________________________ This e-mail message is intended for the recipient only and contains informa= tion which is CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have recei= ved this transmission in error, please inform us by e-mail, phone or fax, and then d= elete the original and all copies thereof. ___________________________________________________________________________ ___________________________________________________________________________= ______________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confiden= tielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu= ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages el= ectroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme ou = falsifie. Merci. This message and its attachments may contain confidential or privileged inf= ormation that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and dele= te this message and its attachments. As emails may be altered, Orange is not liable for messages that have been = modified, changed or falsified. Thank you. ___________________________________________________________________________= ______________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confiden= tielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu= ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages el= ectroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme ou = falsifie. Merci. This message and its attachments may contain confidential or privileged inf= ormation that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and dele= te this message and its attachments. As emails may be altered, Orange is not liable for messages that have been = modified, changed or falsified. Thank you. --_000_9E32478DFA9976438E7A22F69B08FF921E9CB4CAOPEXCLILMA4corp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi Dhruv,

 

If the PCE keeps a = 220;stale state” from the PCC, in the framework of state-sync, we nee= d a way to indicate to other PCEs that the state is stale, so if the master= PCE is another PCE, it will not try to update the state for this LSP until  the PCC is back online.

 

Brgds,

 

 

From: Dhruv Dh= ody [mailto:dhruv.dhody@huawei.com]
Sent: Thursday, June 22, 2017 11:23
To: LITKOWSKI Stephane OBS/OINIS; Alexander Vainshtein; adrian@olddo= g.co.uk
Cc: Marina Fizgeer; Michael Gorokhovsky; pce@ietf.org; jpv@cisco.com= ; Alexander Ferdman
Subject: RE: [Pce] Is there any activity related to PCE graceful res= tart?

 

Hi Stephane, Sasha,<= o:p>

 

I agree with your ov= erall assessment.

 

Finer point inline&#= 8230;

 

From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of stepha= ne.litkowski@orange.com
Sent: 22 June 2017 13:44
To: Alexander Vainshtein <Alexander.Vainshtein@ecitele.com>; adrian@olddog.co.uk
Cc: Marina Fizgeer <Marina.Fizgeer@ecitele.com>; Michael Gorokhovsky <Michael.Gorokhovsky@ecitele.com>= ;; pce@ietf.org; jpv@cisco.com; Alexander Ferdman <Alexander.Ferdman@ecitele.com>
Subject: Re: [Pce] Is there any activity related to PCE graceful res= tart?

 

Hi Sasha,

 

As Dhruv mentioned, re= starting a PCE is not a big deal, we have already the mechanism defined to = handle this without traffic disruption.

Your email mentions al= so, PCC control plane restart which is a bit more tricky IMO.

 

From a PCC point of vi= ew, I think you request the PCC to keep the dataplane intact when the PCC p= rocess or RSVP process or IS-IS is getting down (during failure or restart = or upgrade…). For the PCC process, I think this could be addressed by a purely local mechanism.

[[Dhruv Dhody]= ] I agree. IMO the PCC process can rebuild its state from a local mechanism= , say by data plane (SR label stack), by learning from TE manager, RSVP-TE process etc. The session establishment with PCE should be= triggered once the state is build, so that state synchronization (and opti= mizations) work well.    

And incase thi= s is not possible, the traffic can continue to flow in the old path till a = new path is signaled after restart. Is there a case where the traffic gets impacted and a protocol mechanism can solve it?

 

Now I see a case where= the PCE needs to keep the state from a PCC when the PCC restarts =3D>

[[Dhruv Dhody]= ] Also, when to delete the state learned from the PCC at the Stateful PCE i= s also a local matter of the PCE. The State time out is specified from PCC point of view, at PCE the behavior is up to the impleme= ntation. For disjoint cases, good to keep the state longer at PCE :)

 

Regards,<= /o:p>

Dhruv

 

my favorite disjointne= ss use case or any other use case where LSPs on other PCCs depends on the L= SP of the PCC which is restarting.

 

Let’s say that P= CC1 owns LSP1, PCC2 owns LSP2.

LSP1 and LSP2 depends = of each other.

If the PCE loses the s= tate of LSP1 because PCC1 restarts, it may reroute LSP2 on a path that does= not fulfill the dependency of the two LSPs anymore while at the same time = LSP1 was kept intact by PCC1 from a forwarding plane point of view.

 

Is it a critical issue= ? During a transient period (the PCC restart), some LSPs may not fulfil th= eir constraint anymore. Does it justify extensions to the protocol ?

I do not have a strong= opinion on that: it’s always a question of complexity to introduce v= s gain.

 

 

Adrian, Dhruv, did I m= iss something ? Am I wrong ?

 

Brgds,

 

Stephane

 

 

From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein
Sent: Monday, June 19, 2017 14:48
To: adrian@olddog.co.uk Cc: Michael Gorokhovsky; jpv@cisco.= com; pce@ietf.org; Marina Fizgeer; Alexander= Ferdman
Subject: Re: [Pce] Is there any activity related to PCE graceful res= tart?

 

Adrian,

Lots of thanks for a p= rompt response.

 

However, our primary i= nterest is the control plane (including PCC) restart in a network element with sepa= rated  control and forwarding planes.

 

Specifically, my colle= agues and I try to understand, how to make such a restart non-traffic affecting while:

-    =       The network uses Segment Routing for s= etting up paths computed by the PCE. This means that these paths are only k= nown to their respective head-end nodes. This situation is different from t= he scenario where RSVP-TE is used to signal these paths, since they cannot be re-learned from the neighbors = as part of the RSVP-TE graceful restart procedures

-    =       The protocols used for distributing SR= -related information (i.e., IGP and BGP SR extensions) are GR-capable, and = GR for them is enabled in the network

-    =       The PCE is an active stateful PCE, i.e= ., it instructs the head-end node, which paths should be set up without any= requests coming from the nodes.

 

Hopefully this clarifi= es the context for our question.

 

It may well be that th= e requirement for non-traffic affecting control plane restart can be addres= sed without any changed to the existing protocols. Alternatively, it  = is possible that some minor changes (like making the PCE aware of separation between the control and forwarding plan= es, negotiation of GR capabilities and grace periods etc.) are required.

 

Any inputs would be hi= ghly appreciated.

 

Regards, and lots fo t= hanks in advance,

Sasha

 

Office: +972-39266= 302

Cell:   = ;   +972-549266302

Email:   Alexander.Vainshtein@ecitele.com

 

From: Adrian Farrel [mailto:adrian@olddog.co.uk]
Sent: Sunday, June 18, 2017 8:34 PM
To: Alexander Vainshtein <Alexander.Vainshtein@ecitele.com>; jonathan.hardwick@metas= witch.com; jpv@cisco.com; julien.meuric@orange.com
Cc: Marina Fizgeer <Marina.Fizgeer@ecitele.com>; Michael Gorokhovsky <Michael.Gorokhovsky@ecitele.com>= ;; pce@ietf.org; Alexander Ferdman <Alexander.Ferdman@ecitele.com= >
Subject: RE: [Pce] Is there any activity related to PCE graceful res= tart?

 

Sasha,<= /span>

 <= /span>

What ar= e you hoping to achieve?

 <= /span>

That a = restarting PCE can retain its TED and LSP-DB?

That a = restarting PCE can synch state with the network?

That a = restarting PCE with outstanding (unanswered) messages in either direction c= an not need to resend them?

That a = restarting PCE can resend outstanding (unanswered) messages without problem= s caused by duplication?

 <= /span>

I think= you may want to read around the definition of the request-id. Although 544= 0 doesn't make it explicit, a lot comes from how you process the request-id= . That "a lot" arose from consideration of parallel sessions and distilled to not needing to write about restart.<= /span>

 <= /span>

Cheers,=

Adrian = (resurrecting old memories, possibly not entirely accurately)

 <= /span>

From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein
Sent: 18 June 2017 16:43
To: jonathan.har= dwick@metaswitch.com; jpv@cisco.com; julien.meuric@orange.com
Cc: Marina Fizgeer; Michael Gorokhovsky; pce@ietf.org; Alexander Ferdman
Subject: Re: [Pce] Is there any activity related to PCE graceful res= tart?

 

Re-sending with the co= rrect WG mailing list address…=

 

Regards,

Sasha

 

Office: +972-39266= 302

Cell:   = ;   +972-549266302

Email:   Alexander.Vainshtein@ecitele.com=

 

From: Alexander Vainshtein
Sent: Sunday, June 18, 2017 6:41 PM
To: 'jonathan.hardwick@metaswitch.com' <jonathan.hardwick@metaswitch.com>; 'jpv@c= isco.com' <jpv@cisco.com>; 'juli= en.meuric@orange.com' <julie= n.meuric@orange.com>
Cc: 'pce@ietf.prg' <pce@ietf.prg<= /a>>; Michael Gorokhovsky <Michael.Gorokhovsky@ecitele.com>; Marina Fizgeer <Marina.Fizgeer@ecitele.com>; Alexander Ferdman <Ale= xander.Ferdman@ecitele.com>
Subject: Is there any activity related to PCE graceful restart?

 

Hi all,

My colleagues and I tried to find any work in the PC= E WG related to PCEP graceful restart.

So far, we did not succeed. This could mean one of t= he following:

-=           Our search did not go deep enough. In this case pointers to any spec= ific documents would be highly appreciated<= /span>

-=           Such work does not exist because (for some reason) it is not require= d. This looks problematic to me, especially if we deal with a stateful = ; active PCE and the path computed by the PCE was implemented using Segment= Routing (so that only the head end of the computed path is aware of the path). However, I could have missed some= thing obvious, and any clarifications would be highly appreciated

-=           Such work is required but, so far, nobody has taken care of it. The = implications are obvious:-(.

 

Your feedback would be highly appreciated.

 

Regards, and lots of thanks in advance,

Sasha

 

Office: +972-39266302<= /o:p>

Cell:      +972-5492663= 02

Email:   Alexander.Vainshtein@ecitele.com

 


___________________________________________________________________________=

This e-mail message is intended for the recipient only and contains informa= tion which is
CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have recei= ved this
transmission in error, please inform us by e-mail, phone or fax, and then d= elete the original
and all copies thereof.
___________________________________________________________________________=


___________________________________________________________________________=

This e-mail message is intended for the recipient only and contains informa= tion which is
CONFIDENTIAL and which may be proprietary to ECI Telecom. If you have recei= ved this
transmission in error, please inform us by e-mail, phone or fax, and then d= elete the original
and all copies thereof.
___________________________________________________________________________= 

______________________________________________________________________=
___________________________________________________
 
Ce message et ses pieces jointes peuvent contenir des informations con=
fidentielles ou privilegiees et ne doivent donc
pas etre diffuses, exploites ou copies sans autorisation. Si vous avez=
 recu ce message par erreur, veuillez le signaler
a l'expediteur et le detruire ainsi que les pieces jointes. Les messag=
es electroniques etant susceptibles d'alteration,
Orange decline toute responsabilite si ce message a ete altere, deform=
e ou falsifie. Merci.
 
This message and its attachments may contain confidential or privilege=
d information that may be protected by law;
they should not be distributed, used or copied without authorisation.<=
o:p>
If you have received this email in error, please notify the sender and=
 delete this message and its attachments.
As emails may be altered, Orange is not liable for messages that have =
been modified, changed or falsified.
Thank you.
______________________________________________________________________=
___________________________________________________

Ce message et ses pieces jointes peuvent contenir des informations confiden=
tielles ou privilegiees et ne doivent donc
pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu=
 ce message par erreur, veuillez le signaler
a l'expediteur et le detruire ainsi que les pieces jointes. Les messages el=
ectroniques etant susceptibles d'alteration,
Orange decline toute responsabilite si ce message a ete altere, deforme ou =
falsifie. Merci.

This message and its attachments may contain confidential or privileged inf=
ormation that may be protected by law;
they should not be distributed, used or copied without authorisation.
If you have received this email in error, please notify the sender and dele=
te this message and its attachments.
As emails may be altered, Orange is not liable for messages that have been =
modified, changed or falsified.
Thank you.
--_000_9E32478DFA9976438E7A22F69B08FF921E9CB4CAOPEXCLILMA4corp_-- From nobody Fri Jun 23 01:39:44 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id DCDB0129B3C; Fri, 23 Jun 2017 01:39:42 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.599 X-Spam-Level: X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id CommPKzmlkKw; Fri, 23 Jun 2017 01:39:41 -0700 (PDT) Received: from mx0a-00191d01.pphosted.com (mx0a-00191d01.pphosted.com [67.231.149.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 68936126CD8; Fri, 23 Jun 2017 01:39:41 -0700 (PDT) Received: from pps.filterd (m0049297.ppops.net [127.0.0.1]) by m0049297.ppops.net-00191d01. (8.16.0.17/8.16.0.17) with SMTP id v5N8ZGoW005017; Fri, 23 Jun 2017 04:39:38 -0400 Received: from alpi155.enaf.aldc.att.com (sbcsmtp7.sbc.com [144.160.229.24]) by m0049297.ppops.net-00191d01. with ESMTP id 2b8rba86cj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 23 Jun 2017 04:39:38 -0400 Received: from enaf.aldc.att.com (localhost [127.0.0.1]) by alpi155.enaf.aldc.att.com (8.14.5/8.14.5) with ESMTP id v5N8dbDb017985; Fri, 23 Jun 2017 04:39:37 -0400 Received: from mlpi409.sfdc.sbc.com (mlpi409.sfdc.sbc.com [130.9.128.241]) by alpi155.enaf.aldc.att.com (8.14.5/8.14.5) with ESMTP id v5N8dRJA017915 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Fri, 23 Jun 2017 04:39:30 -0400 Received: from MISOUT7MSGHUBAC.ITServices.sbc.com (MISOUT7MSGHUBAC.itservices.sbc.com [130.9.129.147]) by mlpi409.sfdc.sbc.com (RSA Interceptor); Fri, 23 Jun 2017 08:39:13 GMT Received: from MISOUT7MSGUSRDE.ITServices.sbc.com ([169.254.5.17]) by MISOUT7MSGHUBAC.ITServices.sbc.com ([130.9.129.147]) with mapi id 14.03.0319.002; Fri, 23 Jun 2017 04:39:12 -0400 From: "BRUNGARD, DEBORAH A" To: Jonathan Hardwick , "pce@ietf.org" CC: Daniel King , "pce-chairs@ietf.org" Thread-Topic: PCE working group secretary Thread-Index: AdLo6F6q3Ddau9UOSTmoILt5tg/1QQDEzTTw Date: Fri, 23 Jun 2017 08:39:11 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [135.70.201.116] Content-Type: multipart/alternative; boundary="_000_F64C10EAA68C8044B33656FA214632C85DF2F7A1MISOUT7MSGUSRDE_" MIME-Version: 1.0 X-RSA-Inspected: yes X-RSA-Classifications: public X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-06-23_04:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_policy_notspam policy=outbound_policy score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1703280000 definitions=main-1706230146 Archived-At: Subject: Re: [Pce] PCE working group secretary X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Jun 2017 08:39:43 -0000 --_000_F64C10EAA68C8044B33656FA214632C85DF2F7A1MISOUT7MSGUSRDE_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Dan - thanks for all your work! Dhruv - welcome! All the best- Deborah From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Jonathan Hardwick Sent: Thursday, June 22, 2017 7:22 AM To: pce@ietf.org Cc: Daniel King ; pce-chairs@ietf.org Subject: [Pce] PCE working group secretary This email is to announce that Dan King is standing down as secretary to th= e PCE working group. The chairs would like to place on record our thanks a= nd heartfelt gratitude to Dan for all of the work he did in this role. We = look forward to Dan's involvement with PCE continuing long into the future = as a technical contributor. Thank you, Dan! Dhruv Dhody has kindly agreed to become our new working group secretary, wi= th immediate effect. Please join us in welcoming Dhruv to the role! All the best Jon, Julien & JP --_000_F64C10EAA68C8044B33656FA214632C85DF2F7A1MISOUT7MSGUSRDE_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Dan – thanks for= all your work!

Dhruv – welcome!=

 

All the best-

Deborah

 

 

From: Pce [mailto:pce-bounces@ietf.org] On= Behalf Of Jonathan Hardwick
Sent: Thursday, June 22, 2017 7:22 AM
To: pce@ietf.org
Cc: Daniel King <dk@danielking.net>; pce-chairs@ietf.org
Subject: [Pce] PCE working group secretary

 

This email is to announce that = Dan King is standing down as secretary to the PCE working group.  The = chairs would like to place on record our thanks and heartfelt gratitude to = Dan for all of the work he did in this role.  We look forward to Dan’s involvement with PCE continuing long into t= he future as a technical contributor.  Thank you, Dan!

 

Dhruv Dhody has kindly agreed t= o become our new working group secretary, with immediate effect.  Plea= se join us in welcoming Dhruv to the role!

 

All the best<= /p>

Jon, Julien & JP=

 

 

--_000_F64C10EAA68C8044B33656FA214632C85DF2F7A1MISOUT7MSGUSRDE_-- From nobody Fri Jun 23 02:09:36 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6E5DB129B3C for ; Fri, 23 Jun 2017 02:09:35 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -3.535 X-Spam-Level: X-Spam-Status: No, score=-3.535 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_MED=-2.3, RP_MATCHES_RCVD=-0.001, SPF_SOFTFAIL=0.665] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1uoK5Jb302Ss for ; Fri, 23 Jun 2017 02:09:33 -0700 (PDT) Received: from r-mail2.rd.orange.com (r-mail2.rd.orange.com [217.108.152.42]) by ietfa.amsl.com (Postfix) with ESMTP id 7CDB31293EB for ; Fri, 23 Jun 2017 02:09:33 -0700 (PDT) Received: from r-mail2.rd.orange.com (localhost.localdomain [127.0.0.1]) by localhost (Postfix) with SMTP id E3D9A5D89DC for ; Fri, 23 Jun 2017 11:09:31 +0200 (CEST) Received: from FTRDCH01.rd.francetelecom.fr (unknown [10.194.32.11]) by r-mail2.rd.orange.com (Postfix) with ESMTP id D32035D889C for ; Fri, 23 Jun 2017 11:09:31 +0200 (CEST) Received: from [10.193.71.121] (10.193.71.121) by FTRDCH01.rd.francetelecom.fr (10.194.32.11) with Microsoft SMTP Server id 14.3.319.2; Fri, 23 Jun 2017 11:09:31 +0200 From: Julien Meuric Reply-To: Julien Meuric , Jonathan Hardwick , 'JP Vasseur' , Dhruv Dhody To: "pce@ietf.org" Organization: Orange Message-ID: Date: Fri, 23 Jun 2017 11:09:30 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit Archived-At: Subject: [Pce] Building the PCE Agenda for IETF 99 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Jun 2017 09:09:35 -0000 Hi all, The PCE WG session in Prague is tentatively scheduled on Tuesday 3:50pm (facing I2RS). If you need meeting time to progress some work, please send a request to the chairs and secretary by Monday July 3, including: - the associated I-D(s), - the expected presenter, - the requested duration, - the motivation to request some face-to-face time as opposed to using the mailing list to progress your work. Regards, Jon, JP & Julien From nobody Fri Jun 23 02:13:02 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 805A712009C for ; Fri, 23 Jun 2017 02:13:00 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.598 X-Spam-Level: X-Spam-Status: No, score=-2.598 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id DeZQdpyABN-9 for ; Fri, 23 Jun 2017 02:12:57 -0700 (PDT) Received: from asmtp4.iomartmail.com (asmtp4.iomartmail.com [62.128.201.175]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 2A840124BE8 for ; Fri, 23 Jun 2017 02:12:56 -0700 (PDT) Received: from asmtp4.iomartmail.com (localhost.localdomain [127.0.0.1]) by asmtp4.iomartmail.com (8.13.8/8.13.8) with ESMTP id v5N9C5lU007922; Fri, 23 Jun 2017 10:12:05 +0100 Received: from 950129200 ([195.171.79.163]) (authenticated bits=0) by asmtp4.iomartmail.com (8.13.8/8.13.8) with ESMTP id v5N9C4wH007888 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 23 Jun 2017 10:12:04 +0100 Reply-To: From: "Adrian Farrel" To: , "'Dhruv Dhody'" , "'Alexander Vainshtein'" Cc: "'Marina Fizgeer'" , "'Michael Gorokhovsky'" , , , "'Alexander Ferdman'" References: <049c01d2e859$154fa440$3feeecc0$@olddog.co.uk> <4496_1498119262_594B7C5E_4496_55_41_9E32478DFA9976438E7A22F69B08FF921E9CABD2@OPEXCLILMA4.corporate.adroot.infra.ftgroup> <23CE718903A838468A8B325B80962F9B8CB41EFA@blreml501-mbx> <16691_1498201766_594CBEA6_16691_92_1_9E32478DFA9976438E7A22F69B08FF921E9CB4CA@OPEXCLILMA4.corporate.adroot.infra.ftgroup> In-Reply-To: <16691_1498201766_594CBEA6_16691_92_1_9E32478DFA9976438E7A22F69B08FF921E9CB4CA@OPEXCLILMA4.corporate.adroot.infra.ftgroup> Date: Fri, 23 Jun 2017 10:11:59 +0100 Message-ID: <099801d2ec00$c5aead40$510c07c0$@olddog.co.uk> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0999_01D2EC09.277956D0" X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQHmTbBX4QMxGGdKBaKeEL5FVwfquQLNVpOCAUMWQ+8CB7BkqAI1YG9yAhRY24qhuEhrwA== Content-Language: en-gb X-TM-AS-MML: disable X-TM-AS-Product-Ver: IMSS-7.1.0.1679-8.1.0.1062-23146.007 X-TM-AS-Result: No--12.181-10.0-31-10 X-imss-scan-details: No--12.181-10.0-31-10 X-TMASE-MatchedRID: IeZYkn8zfFqajZkb8TuLc0hEDfw/93Bu/6j9SMhcXQKp7t/yrVnxkKLD 5e+3+4HcPcWh9XjU7jewYwkcyrmnNUBHTQoU02y1T7RVRbrn8wtaNaxZBRbNWr0HT24u3D+A7FV A98aNPSHU1O68dJT01uK3zUQrVX3+qCNd72dlxctrRpSjNebQNiwJzaIVMjGtDTfX6ykPRSvCX0 YsfK3COti1bXMPVxi/cbBzX0E9pbq0S/LholNXqcOvQCMFyZ9GlnrMq7Sriu0XzX/hX8rfkut3x T0fsYgcd3mUtMNVEsq05GWGgOvkeDsZDtUz8OVR2OSj4qJA9QapS1IcgR2OVVvo8FSqar5S7drB ZAOlL5bEWUykxte+S4KDCK6DSShXmPnR7BD/zBWvThHXboayJ0CuhV5cGN3IP2DKY7/r9GqkmVf MaQ84WfwnrdJjIWkaC3p56ExV405QFdUCblbxEIDqq/69Hfgs1kqyrcMalqUCj740gkc7rmFs/v KFwdyoyVlfOaY8aPMFl568mBOJrBMI+YRurTF4c+QhWKJM04MUkWvaqUqLH5C2/laM/GzdQaNK4 ceW3BxNzfNCaEV29j3jGWFYy8iVamm/A6tuEj24jAucHcCqnVT5iq0BT4XZp1jAaY8d/ZYQYkJr +hPCWZ6j89ofJiV1I4QUS+Hp131nXITYB50wJ56a4syijMJmEsPHM6iHL3YgbNDlPT+rW6Eshzq hV9N+Sq4Y4HtdT/wwfhEWn1dVOiQdAmID1oIS04Rmz/agfdxhDdNOYZKQFpMxNpDOG+h6Nf6y58 BlSM+f7F9KytfcmsVotXRTAFsvi3jdTHwj02qeAiCmPx4NwGmRqNBHmBvevqq8s2MNhPC1ylvO0 37EhVwdeEkbaghzec3QM3secWasGnH1rlaCAFDgEkZh3sK6zfwa+qiJpkUOdL6MVGHaXF1edxif xUddunl722osWE6OZK28WSMRB44/4WdwgEii+wCaf6FQjZl+3BndfXUhXQ== Archived-At: Subject: Re: [Pce] Is there any activity related to PCE graceful restart? X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Jun 2017 09:13:00 -0000 This is a multipart message in MIME format. ------=_NextPart_000_0999_01D2EC09.277956D0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Stephane, I think the case you describe is "complicated". There are two possible arrangements of PCEs in what you describe. 1. Both PCEs can control the same PCC 2. The PCEs are "stacked" in a hierarchical way. Then you are interested in what happens when the PCC goes down. In case 2, the child PCE acts as a "buffer" for requests and commands from the parent PCE that can't be immediately delivered to the PCC. I don't think any changes in behaviour are needed. In case 1 my question is about how PCE1 knows that the PCC is down. Presumably the session went down. Now, PCE2 could be in active or passive standby mode. 1a. In active standby mode, PCE2 also has a session with the PCC so also knows that the PCC is down. (It is an operational choice whether one is dominant.) PCE1 and PCE2 do not need to coordinate on the status of the PCC, even though they (obviously) do coordinate on the status of the LSPs. I don't think any changes in behaviour are needed. 1b. In passive standby mode, PCE1 has a session to the PCC, but PCE2 would only open a session when PCE1 fails or when the PCC contacts it. The PCEs will coordinate (synchronise) their LSP-DBs, so the challenge here is when there is a second order failure - the PCC is down *and* PCE2 needs to take over as primary. In other words, when PCE2 takes over, it knows the state of the LSP but it doesn't know whether that state is stale because of the PCC failure. However, I think the first thing it does is try to connect to the PCC: if that fails it should assume that the state of the LSP is unknown; when PCE2 does manage to connect to the PCC it should verify the LSP state for all LSPs. Note that there may also be some synchronisation windows. For example, PCE1 has sent a PCInitiate to the PCC and the PCC has failed. PCE1 has no way to know whether the LSP was set up before the failure and it was only the report that was not received (actually, the PCE could discover this from inspection of the rest of the network, but normally this is not done). In this case, PCE1 cannot synch to PCE2 accurately using "normal" ideas of "LSP exists". But (of course) it could synch *exactly* what it knows: viz. I tried to set up this LSP and I don't know (yet) whether it was successful. (This window exists for all operations.) Of course, there are always windows in the synchronisation procedure. For example, PCE1 could issue a command to the PCC and fail before it manages to synch to PCE2. Some people might say that this is simply a DB synchronisation problem. While synchronising final state is essential, there may be other things (such as intended state, message exchanges, etc.) that could also be considered for synchronisation. In fact, a totally stable synchronisation requires synch'ing intent to issue a command. This is all a well-known and solved problem (for DB synch and for redundant protocol components). The question for the WG is the trade-off between edge cases and cost/complexity. However, I don't think there is a change to PCE-PCC protocol. Adrian From: stephane.litkowski@orange.com [mailto:stephane.litkowski@orange.com] Sent: 23 June 2017 08:09 To: Dhruv Dhody; Alexander Vainshtein; adrian@olddog.co.uk Cc: Marina Fizgeer; Michael Gorokhovsky; pce@ietf.org; jpv@cisco.com; Alexander Ferdman Subject: RE: [Pce] Is there any activity related to PCE graceful restart? Hi Dhruv, If the PCE keeps a "stale state" from the PCC, in the framework of state-sync, we need a way to indicate to other PCEs that the state is stale, so if the master PCE is another PCE, it will not try to update the state for this LSP until the PCC is back online. Brgds, From: Dhruv Dhody [mailto:dhruv.dhody@huawei.com] Sent: Thursday, June 22, 2017 11:23 To: LITKOWSKI Stephane OBS/OINIS; Alexander Vainshtein; adrian@olddog.co.uk Cc: Marina Fizgeer; Michael Gorokhovsky; pce@ietf.org; jpv@cisco.com; Alexander Ferdman Subject: RE: [Pce] Is there any activity related to PCE graceful restart? Hi Stephane, Sasha, I agree with your overall assessment. Finer point inline. From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of stephane.litkowski@orange.com Sent: 22 June 2017 13:44 To: Alexander Vainshtein ; adrian@olddog.co.uk Cc: Marina Fizgeer ; Michael Gorokhovsky ; pce@ietf.org; jpv@cisco.com; Alexander Ferdman Subject: Re: [Pce] Is there any activity related to PCE graceful restart? Hi Sasha, As Dhruv mentioned, restarting a PCE is not a big deal, we have already the mechanism defined to handle this without traffic disruption. Your email mentions also, PCC control plane restart which is a bit more tricky IMO. >From a PCC point of view, I think you request the PCC to keep the dataplane intact when the PCC process or RSVP process or IS-IS is getting down (during failure or restart or upgrade.). For the PCC process, I think this could be addressed by a purely local mechanism. [[Dhruv Dhody]] I agree. IMO the PCC process can rebuild its state from a local mechanism, say by data plane (SR label stack), by learning from TE manager, RSVP-TE process etc. The session establishment with PCE should be triggered once the state is build, so that state synchronization (and optimizations) work well. And incase this is not possible, the traffic can continue to flow in the old path till a new path is signaled after restart. Is there a case where the traffic gets impacted and a protocol mechanism can solve it? Now I see a case where the PCE needs to keep the state from a PCC when the PCC restarts => [[Dhruv Dhody]] Also, when to delete the state learned from the PCC at the Stateful PCE is also a local matter of the PCE. The State time out is specified from PCC point of view, at PCE the behavior is up to the implementation. For disjoint cases, good to keep the state longer at PCE :) Regards, Dhruv my favorite disjointness use case or any other use case where LSPs on other PCCs depends on the LSP of the PCC which is restarting. Let's say that PCC1 owns LSP1, PCC2 owns LSP2. LSP1 and LSP2 depends of each other. If the PCE loses the state of LSP1 because PCC1 restarts, it may reroute LSP2 on a path that does not fulfill the dependency of the two LSPs anymore while at the same time LSP1 was kept intact by PCC1 from a forwarding plane point of view. Is it a critical issue ? During a transient period (the PCC restart), some LSPs may not fulfil their constraint anymore. Does it justify extensions to the protocol ? I do not have a strong opinion on that: it's always a question of complexity to introduce vs gain. Adrian, Dhruv, did I miss something ? Am I wrong ? Brgds, Stephane From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein Sent: Monday, June 19, 2017 14:48 To: adrian@olddog.co.uk Cc: Michael Gorokhovsky; jpv@cisco.com; pce@ietf.org; Marina Fizgeer; Alexander Ferdman Subject: Re: [Pce] Is there any activity related to PCE graceful restart? Adrian, Lots of thanks for a prompt response. However, our primary interest is the control plane (including PCC) restart in a network element with separated control and forwarding planes. Specifically, my colleagues and I try to understand, how to make such a restart non-traffic affecting while: - The network uses Segment Routing for setting up paths computed by the PCE. This means that these paths are only known to their respective head-end nodes. This situation is different from the scenario where RSVP-TE is used to signal these paths, since they cannot be re-learned from the neighbors as part of the RSVP-TE graceful restart procedures - The protocols used for distributing SR-related information (i.e., IGP and BGP SR extensions) are GR-capable, and GR for them is enabled in the network - The PCE is an active stateful PCE, i.e., it instructs the head-end node, which paths should be set up without any requests coming from the nodes. Hopefully this clarifies the context for our question. It may well be that the requirement for non-traffic affecting control plane restart can be addressed without any changed to the existing protocols. Alternatively, it is possible that some minor changes (like making the PCE aware of separation between the control and forwarding planes, negotiation of GR capabilities and grace periods etc.) are required. Any inputs would be highly appreciated. Regards, and lots fo thanks in advance, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com From: Adrian Farrel [mailto:adrian@olddog.co.uk] Sent: Sunday, June 18, 2017 8:34 PM To: Alexander Vainshtein ; jonathan.hardwick@metaswitch.com; jpv@cisco.com; julien.meuric@orange.com Cc: Marina Fizgeer ; Michael Gorokhovsky ; pce@ietf.org; Alexander Ferdman Subject: RE: [Pce] Is there any activity related to PCE graceful restart? Sasha, What are you hoping to achieve? That a restarting PCE can retain its TED and LSP-DB? That a restarting PCE can synch state with the network? That a restarting PCE with outstanding (unanswered) messages in either direction can not need to resend them? That a restarting PCE can resend outstanding (unanswered) messages without problems caused by duplication? I think you may want to read around the definition of the request-id. Although 5440 doesn't make it explicit, a lot comes from how you process the request-id. That "a lot" arose from consideration of parallel sessions and distilled to not needing to write about restart. Cheers, Adrian (resurrecting old memories, possibly not entirely accurately) From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Alexander Vainshtein Sent: 18 June 2017 16:43 To: jonathan.hardwick@metaswitch.com; jpv@cisco.com; julien.meuric@orange.com Cc: Marina Fizgeer; Michael Gorokhovsky; pce@ietf.org; Alexander Ferdman Subject: Re: [Pce] Is there any activity related to PCE graceful restart? Re-sending with the correct WG mailing list address. Regards, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com From: Alexander Vainshtein Sent: Sunday, June 18, 2017 6:41 PM To: 'jonathan.hardwick@metaswitch.com' ; 'jpv@cisco.com' ; 'julien.meuric@orange.com' Cc: 'pce@ietf.prg' ; Michael Gorokhovsky ; Marina Fizgeer ; Alexander Ferdman Subject: Is there any activity related to PCE graceful restart? Hi all, My colleagues and I tried to find any work in the PCE WG related to PCEP graceful restart. So far, we did not succeed. This could mean one of the following: - Our search did not go deep enough. In this case pointers to any specific documents would be highly appreciated - Such work does not exist because (for some reason) it is not required. This looks problematic to me, especially if we deal with a stateful active PCE and the path computed by the PCE was implemented using Segment Routing (so that only the head end of the computed path is aware of the path). However, I could have missed something obvious, and any clarifications would be highly appreciated - Such work is required but, so far, nobody has taken care of it. The implications are obvious:-(. Your feedback would be highly appreciated. Regards, and lots of thanks in advance, Sasha Office: +972-39266302 Cell: +972-549266302 Email: Alexander.Vainshtein@ecitele.com ___________________________________________________________________________ This e-mail message is intended for the recipient only and contains information which is CONFIDENTIAL and which may be proprietary to ECI Telecom. 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Si vous avez recu ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages electroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme ou falsifie. Merci. This message and its attachments may contain confidential or privileged information that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and delete this message and its attachments. As emails may be altered, Orange is not liable for messages that have been modified, changed or falsified. Thank you. ________________________________________________________________________________ _________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confidentielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages electroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme ou falsifie. Merci. This message and its attachments may contain confidential or privileged information that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and delete this message and its attachments. As emails may be altered, Orange is not liable for messages that have been modified, changed or falsified. Thank you. ------=_NextPart_000_0999_01D2EC09.277956D0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Stephane, =

 

I think the case you = describe is "complicated".

 

There are two possible = arrangements of PCEs in what you describe.

1. Both PCEs can = control the same PCC

2. The PCEs are = "stacked" in a hierarchical way.

 

Then you are = interested in what happens when the PCC goes = down.

 

In case 2, the child = PCE acts as a "buffer" for requests and commands from the = parent PCE that can't be immediately delivered to the PCC. I don't think = any changes in behaviour are needed.

 

In case 1 my question = is about how PCE1 knows that the PCC is down. Presumably the session = went down. Now, PCE2 could be in active or passive standby = mode.

 

1a. In active standby = mode, PCE2 also has a session with the PCC so also knows that the PCC is = down. (It is an operational choice whether one is dominant.) PCE1 and = PCE2 do not need to coordinate on the status of the PCC, even though = they (obviously) do coordinate on the status of the LSPs. I don't think = any changes in behaviour are needed.

 

1b. In passive standby = mode, PCE1 has a session to the PCC, but PCE2 would only open a session = when PCE1 fails or when the PCC contacts it. The PCEs will coordinate = (synchronise) their LSP-DBs, so the challenge here is when there is a = second order failure - the PCC is down *and* PCE2 needs to take over as = primary. In other words, when PCE2 takes over, it knows the state of the = LSP but it doesn't know whether that state is stale because of the PCC = failure. However, I think the first thing it does is try to connect to = the PCC: if that fails it should assume that the state of the LSP is = unknown; when PCE2 does manage to connect to the PCC it should verify = the LSP state for all LSPs.

=

Note that there may = also be some synchronisation windows. For example, PCE1 has sent a = PCInitiate to the PCC and the PCC has failed. PCE1 has no way to know = whether the LSP was set up before the failure and it was only the report = that was not received (actually, the PCE could discover this from = inspection of the rest of the network, but normally this is not done). = In this case, PCE1 cannot synch to PCE2 accurately using = "normal" ideas of "LSP exists". But (of course) it = could synch *exactly* what it knows: viz. I tried to set up this LSP and = I don't know (yet) whether it was successful. (This window exists for = all operations.)

 

Of course, there are = always windows in the synchronisation procedure. For example, PCE1 could = issue a command to the PCC and fail before it manages to synch to = PCE2.

 

Some people might say = that this is simply a DB synchronisation problem. While synchronising = final state is essential, there may be other things (such as intended = state, message exchanges, etc.) that could also be considered for = synchronisation.  In fact, = a totally stable synchronisation requires synch'ing intent to issue a = command.

 

This is all a = well-known and solved problem (for DB synch and for redundant protocol = components). The question for the WG is the trade-off between edge cases = and cost/complexity.

 

However, I don't think = there is a change to PCE-PCC protocol.

 

</rambling>

 

Adrian

 

From: = stephane.litkowski@orange.com [mailto:stephane.litkowski@orange.com] =
Sent: 23 June 2017 08:09
To: Dhruv Dhody; Alexander = Vainshtein; adrian@olddog.co.uk
Cc: Marina Fizgeer; Michael = Gorokhovsky; pce@ietf.org; jpv@cisco.com; Alexander = Ferdman
Subject: RE: [Pce] Is there any activity related to = PCE graceful restart?

 

Hi = Dhruv,

 <= /p>

If the PCE keeps a = “stale state” from the PCC, in the framework of state-sync, = we need a way to indicate to other PCEs that the state is stale, so if = the master PCE is another PCE, it will not try to update the state for = this LSP until  the PCC is back online.

 <= /p>

Brgds,<= /p>

 <= /p>

 <= /p>

From: Dhruv Dhody [mailto:dhruv.dhody@huawei.com] =
Sent: Thursday, June 22, 2017 11:23
To: LITKOWSKI = Stephane OBS/OINIS; Alexander Vainshtein; = adrian@olddog.co.uk
Cc: Marina Fizgeer; Michael Gorokhovsky; = pce@ietf.org; jpv@cisco.com; Alexander Ferdman
Subject: RE: = [Pce] Is there any activity related to PCE graceful = restart?

 

Hi Stephane, = Sasha,

 =

I agree with = your overall assessment.

 =

Finer point = inline…

 =

From: Pce [mailto:pce-bounces@ietf.org] = On Behalf Of stephane.litkowski@orange.c= om
Sent: 22 June 2017 13:44
To: Alexander = Vainshtein <Alexander.Vainshtein@eci= tele.com>; adrian@olddog.co.uk
Cc:= Marina Fizgeer <Marina.Fizgeer@ecitele.com= >; Michael Gorokhovsky <Michael.Gorokhovsky@ecite= le.com>; pce@ietf.org; jpv@cisco.com; Alexander Ferdman = <Alexander.Ferdman@ecitele.c= om>
Subject: Re: [Pce] Is there any activity related to = PCE graceful restart?

 

Hi = Sasha,

 <= /p>

As Dhruv mentioned, = restarting a PCE is not a big deal, we have already the mechanism = defined to handle this without traffic = disruption.

Your email mentions = also, PCC control plane restart which is a bit more tricky = IMO.

 <= /p>

From a PCC point of = view, I think you request the PCC to keep the dataplane intact when the = PCC process or RSVP process or IS-IS is getting down (during failure or = restart or upgrade…). For the PCC process, I think this could be = addressed by a purely local mechanism.

[[Dhruv Dhody]] = I agree. IMO the PCC process can rebuild its state from a local = mechanism, say by data plane (SR label stack), by learning from TE = manager, RSVP-TE process etc. The session establishment with PCE should = be triggered once the state is build, so that state synchronization (and = optimizations) work well. =    

And incase this = is not possible, the traffic can continue to flow in the old path till a = new path is signaled after restart. Is there a case where the traffic = gets impacted and a protocol mechanism can solve = it?

 =

Now I see a case where = the PCE needs to keep the state from a PCC when the PCC restarts =3D> =

[[Dhruv Dhody]] = Also, when to delete the state learned from the PCC at the Stateful PCE = is also a local matter of the PCE. The State time out is specified from = PCC point of view, at PCE the behavior is up to the implementation. For = disjoint cases, good to keep the state longer at PCE = :)

 =

Regards,

Dhruv<= /b>

 =

my favorite disjointness = use case or any other use case where LSPs on other PCCs depends on the = LSP of the PCC which is restarting.

 <= /p>

Let’s say that = PCC1 owns LSP1, PCC2 owns LSP2.

LSP1 and LSP2 depends of = each other.

If the PCE loses the = state of LSP1 because PCC1 restarts, it may reroute LSP2 on a path that = does not fulfill the dependency of the two LSPs anymore while at the = same time LSP1 was kept intact by PCC1 from a forwarding plane point of = view.

 <= /p>

Is it a critical issue ? = During a transient period (the PCC restart), some LSPs may not fulfil = their constraint anymore. Does it justify extensions to the protocol = ?

I do not have a strong = opinion on that: it’s always a question of complexity to introduce = vs gain.

 <= /p>

 <= /p>

Adrian, Dhruv, did I = miss something ? Am I wrong ?

 =

Brgds,<= /p>

 <= /p>

Stephane

 <= /p>

 <= /p>

From: Pce [mailto:pce-bounces@ietf.org] = On Behalf Of Alexander Vainshtein
Sent: Monday, June = 19, 2017 14:48
To: adrian@olddog.co.uk
Cc:= Michael Gorokhovsky; jpv@cisco.com; pce@ietf.org; Marina Fizgeer; Alexander = Ferdman
Subject: Re: [Pce] Is there any activity related to = PCE graceful restart?

 

Adrian,=

Lots of thanks for a = prompt response.

 <= /p>

However, our primary = interest is the control plane (including PCC) restart in a = network element with separated  control and forwarding planes. =

 <= /p>

Specifically, my = colleagues and I try to understand, how to make such a restart = non-traffic affecting while:

-   &= nbsp;      The network uses Segment = Routing for setting up paths computed by the PCE. This means that these = paths are only known to their respective head-end nodes. This situation = is different from the scenario where RSVP-TE is used to signal these = paths, since they cannot be re-learned from the neighbors as part of the = RSVP-TE graceful restart procedures

-   &= nbsp;      The protocols used for = distributing SR-related information (i.e., IGP and BGP SR extensions) = are GR-capable, and GR for them is enabled in the = network

-   &= nbsp;      The PCE is an active = stateful PCE, i.e., it instructs the head-end node, which paths should = be set up without any requests coming from the nodes. =

 <= /p>

Hopefully this clarifies = the context for our question.

 <= /p>

It may well be that the = requirement for non-traffic affecting control plane restart can be = addressed without any changed to the existing protocols. Alternatively, = it  is possible that some minor changes (like making the PCE aware = of separation between the control and forwarding planes, negotiation of = GR capabilities and grace periods etc.) are required. =

 <= /p>

Any inputs would be = highly appreciated.

 <= /p>

Regards, and lots fo = thanks in advance,

Sasha

 <= /p>

Office: = +972-39266302

Cell:   &n= bsp;  +972-549266302

Email:   Alexander.Vainshtein@eci= tele.com

 <= /p>

From: Adrian Farrel [mailto:adrian@olddog.co.uk] =
Sent: Sunday, June 18, 2017 8:34 PM
To: Alexander = Vainshtein <Alexander.Vainshtein@eci= tele.com>; jonathan.hardwick@metasw= itch.com; jpv@cisco.com; julien.meuric@orange.com
= Cc: Marina Fizgeer <Marina.Fizgeer@ecitele.com= >; Michael Gorokhovsky <Michael.Gorokhovsky@ecite= le.com>; pce@ietf.org; = Alexander Ferdman <Alexander.Ferdman@ecitele.c= om>
Subject: RE: [Pce] Is there any activity related to = PCE graceful restart?

 

Sasha,

 

What are you hoping to = achieve?

 

That a restarting PCE = can retain its TED and LSP-DB?

That a restarting PCE = can synch state with the network?

That a restarting PCE = with outstanding (unanswered) messages in either direction can not need = to resend them?

That a restarting PCE can resend outstanding = (unanswered) messages without problems caused by = duplication?

 

I think you may want to = read around the definition of the request-id. Although 5440 doesn't make = it explicit, a lot comes from how you process the request-id. That = "a lot" arose from consideration of parallel sessions and = distilled to not needing to write about restart.

 

Cheers,

Adrian (resurrecting old = memories, possibly not entirely accurately)

 

From: Pce [mailto:pce-bounces@ietf.org] = On Behalf Of Alexander Vainshtein
Sent: 18 June 2017 = 16:43
To: jonathan.hardwick@metasw= itch.com; jpv@cisco.com; julien.meuric@orange.com
= Cc: Marina Fizgeer; Michael Gorokhovsky; pce@ietf.org; Alexander = Ferdman
Subject: Re: [Pce] Is there any activity related to = PCE graceful restart?

 

Re-sending = with the correct WG mailing list address…

 <= /p>

Regards,

Sasha

 <= /p>

Office: = +972-39266302

Cell:   &n= bsp;  +972-549266302

Email:   Alexander.Vainshtein@eci= tele.com

 <= /p>

From: Alexander Vainshtein =
Sent: Sunday, June 18, 2017 6:41 PM
To: = 'jonathan.hardwick@metaswitch.com' <jonathan.hardwick@metasw= itch.com>; 'jpv@cisco.com' <jpv@cisco.com>; = 'julien.meuric@orange.com' <julien.meuric@orange.com>=
Cc: 'pce@ietf.prg' <pce@ietf.prg>; Michael Gorokhovsky = <Michael.Gorokhovsky@ecite= le.com>; Marina Fizgeer <Marina.Fizgeer@ecitele.com= >; Alexander Ferdman <Alexander.Ferdman@ecitele.c= om>
Subject: Is there any activity related to PCE = graceful restart?

 

Hi all,

My colleagues and I tried to find any = work in the PCE WG related to PCEP graceful = restart.

So far, we did not succeed. This could = mean one of the following:

-     &nb= sp;    Our search did not go deep enough. In = this case pointers to any specific documents would be highly = appreciated

-     &nb= sp;    Such work does not exist because (for = some reason) it is not required. This looks problematic to me, = especially if we deal with a stateful  active PCE and the path = computed by the PCE was implemented using Segment Routing (so that only = the head end of the computed path is aware of the path). However, I = could have missed something obvious, and any clarifications would be = highly appreciated

-     &nb= sp;    Such work is required but, so far, = nobody has taken care of it. The implications are = obvious:-(.

 

Your feedback would be highly = appreciated.

 

Regards, and lots of thanks in = advance,

Sasha

 

Office: = +972-39266302

Cell:      = +972-549266302

Email:   Alexander.Vainshtein@eci= tele.com

 


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Ce message et ses =
pieces jointes peuvent contenir des informations confidentielles ou =
privilegiees et ne doivent donc
pas etre diffuses, =
exploites ou copies sans autorisation. Si vous avez recu ce message par =
erreur, veuillez le signaler
a l'expediteur et le =
detruire ainsi que les pieces jointes. Les messages electroniques etant =
susceptibles d'alteration,
Orange decline toute =
responsabilite si ce message a ete altere, deforme ou falsifie. =
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This message and its =
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------=_NextPart_000_0999_01D2EC09.277956D0-- From nobody Fri Jun 23 08:46:16 2017 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 3B4DF1243FE; Fri, 23 Jun 2017 08:46:01 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: The IESG To: "IETF-Announce" X-Test-IDTracker: no X-IETF-IDTracker: 6.55.1 Auto-Submitted: auto-generated Precedence: bulk Cc: db3546@att.com, "Julien Meuric" , rfc-editor@rfc-editor.org, pce@ietf.org, pce-chairs@ietf.org, "The IESG" , draft-ietf-pce-stateful-pce@ietf.org, julien.meuric@orange.com MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-ID: <149823276123.17110.16355451795890549720.idtracker@ietfa.amsl.com> Date: Fri, 23 Jun 2017 08:46:01 -0700 Archived-At: Subject: [Pce] Protocol Action: 'PCEP Extensions for Stateful PCE' to Proposed Standard (draft-ietf-pce-stateful-pce-21.txt) X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Jun 2017 15:46:01 -0000 The IESG has approved the following document: - 'PCEP Extensions for Stateful PCE' (draft-ietf-pce-stateful-pce-21.txt) as Proposed Standard This document is the product of the Path Computation Element Working Group. The IESG contact persons are Alvaro Retana, Alia Atlas and Deborah Brungard. A URL of this Internet Draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-stateful-pce/ Technical Summary The Path Computation Element Communication Protocol (PCEP) provides mechanisms for Path Computation Elements (PCEs) to perform path computations in response to Path Computation Clients (PCCs) requests. Although PCEP explicitly makes no assumptions regarding the information available to the PCE, it also makes no provisions for PCE control of timing and sequence of path computations within and across PCEP sessions. This document describes a set of extensions to PCEP to enable stateful control of MPLS-TE and GMPLS LSPs via PCEP. Working Group Summary The document already has a long history. It started with squatting some codepoints, which resulted in publishing RFC 7470, a.k.a. "RFC 7150 bis". Some changes have been heavily argued, mainly because of some reluctance to update existing implementations, but this version reflects a WG consensus. Document Quality There are several implementations, including one open source (OpenDaylight). Have a significant number of vendors indicated their plan to implement the specification? Yes, even more have plans. Are there any reviewers that merit special mention as having done a thorough review, e.g., one that resulted in important changes or a conclusion that the document had no substantive issues? Some updates have been triggered by a couple of operators, thanks to some interoperability testing between several implementations. If there was a MIB Doctor, Media Type or other expert review, what was its course (briefly)? In the case of a Media Type review, on what date was the request posted? N/A Personnel Who is the Document Shepherd for this document? Julien Meuric Who is the Responsible Area Director? Deborah Brungard From nobody Fri Jun 23 09:40:16 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2AA191293EC for ; Fri, 23 Jun 2017 09:40:16 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.084 X-Spam-Level: X-Spam-Status: No, score=-2.084 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_BRBL_LASTEXT=1.449, RCVD_IN_DNSWL_MED=-2.3, RP_MATCHES_RCVD=-0.001, SPF_SOFTFAIL=0.665, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id CT6WC1pqHm6k for ; Fri, 23 Jun 2017 09:40:14 -0700 (PDT) Received: from r-mail1.rd.orange.com (r-mail1.rd.orange.com [217.108.152.41]) by ietfa.amsl.com (Postfix) with ESMTP id A38CA120726 for ; Fri, 23 Jun 2017 09:40:13 -0700 (PDT) Received: from r-mail1.rd.orange.com (localhost.localdomain [127.0.0.1]) by localhost (Postfix) with SMTP id 19F6CA442C0; Fri, 23 Jun 2017 18:40:12 +0200 (CEST) Received: from FTRDCH01.rd.francetelecom.fr (unknown [10.194.32.11]) by r-mail1.rd.orange.com (Postfix) with ESMTP id 042EBA442BF; Fri, 23 Jun 2017 18:40:12 +0200 (CEST) Received: from [10.193.71.188] (10.193.71.188) by FTRDCH01.rd.francetelecom.fr (10.194.32.11) with Microsoft SMTP Server id 14.3.319.2; Fri, 23 Jun 2017 18:40:11 +0200 To: Huaimo Chen , "pce@ietf.org" , "julien.meuric@orange.com" References: <3c2491d4-6178-dbed-4f9a-a076e5f87f3a@orange.com> <5316A0AB3C851246A7CA5758973207D45017961C@SJCEML701-CHM.china.huawei.com> From: Olivier Dugeon Organization: Orange Labs Message-ID: <1f10436e-b8a3-22e5-7a74-fe395e5e0f16@orange.com> Date: Fri, 23 Jun 2017 18:40:10 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 In-Reply-To: <5316A0AB3C851246A7CA5758973207D45017961C@SJCEML701-CHM.china.huawei.com> Content-Type: multipart/alternative; boundary="------------4C8F1E7EECD15FB30F7A38AD" Content-Language: fr Archived-At: Subject: Re: [Pce] draft-dugeon-brpc-stateful X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Jun 2017 16:40:16 -0000 --------------4C8F1E7EECD15FB30F7A38AD Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Hi Huaimo, Please find below some answers to your questions. Best Regards Olivier & Julien Le 10/06/2017 =C3=A0 03:57, Huaimo Chen a =C3=A9crit : > > Hi Olivier and Julien, > > =20 > > Glad to have a small talk/discussion with Julian > > after his presentation in the last IETF. > > =20 > > I read through your draft and think it is useful. > > =20 > > In 2013, I posted draft-chen-pce-label-x-domains, > > https://datatracker.ietf.org/doc/draft-chen-pce-label-x-domains/ > > which proposes extensions to PCEP for distributing > > a label with an interface from a downstream domain > > to its upstream domain. This label and interface seem > > similar to (or equivalent to) to the stitching label > > and interface in your draft. > > =20 > > In 2016, I submitted draft-chen-pce-h-sdns, > > https://datatracker.ietf.org/doc/draft-chen-pce-h-sdns/ > > which comprises distribution of the label and interface > > from a downstream domain to its upstream domain > > and set up of an end to end LSP through "stitching" > > local LSP segments using the label and interface > > by PCE as controller. > We are also aware of draft-sivabalan-pce-binding-label-sid-02.txt that proposed an interaction between PCE and PCC to exchange a binding label. Even if the first use case of this draft is Segment Routing, this Binding Label approach could also be used to stitch tunnels in our approa= ch. > =20 > > =20 > > For your draft, I have the following comments. > > =20 > > 1) Term "Contiguous tunnels": > > In your draft, it seems that a "Contiguous tunnel" is > > an end to end LSP tunnel crossing domains which is > > signaled/created by RSVP-TE. > > Should the term be revised to "Contiguous RSVP-TE tunnels"? > > Or generalize the definition of the term without > > RSVP-TE? > Yes. It is generalized in order to include Segment Routing paths that cross several ASs, or a mix of SR-ASes and RSVP-ASes. But, we could improve the text by explicitly referring to "Contiguous RSVP-TE tunnels or Segment Paths" for instance, put the phrase isn't smooth to read. =20 > =20 > > 2) Term "Stitching tunnels": > > In the definition of this term, there is a statement: > > "a second end-to-end RSVP-TE Path message is sent by the > > initiating domain to stitch the different tunnel parts > > to form the end-to-end LSP tunnel." > > Does this statement mean that RSVP-TE Path/RESV messages > > are exchanged between border nodes in two adjacent domains? > > If so, I think that the function of RSVP-TE may be > > replaced by some extensions of PCE in this case. > > =20 > This statement correspond to the standard way RSVP-TE could be used to stitch two tunnels as mention in RFC5150 and RFC5151. But, as mention in our draft, these RFCs are not deployed in operational networks, which is our primary motivation to propose this new draft based on PCEP. > 3) entry BN of domain(j) is called entry BN(j). > > Since entry BN of domain(j) is ingress BN of domain(j), > > it seems that BNi(j) is a more symbolized representation. > > =20 > > 4) Exit BN of domain(j) is called exit BN(j). > > Since exit BN of domain(j) is egress BN of domain(j), > > or a BN from which the traffic goes out of domain(j), > > BNe(j) or BNo(j) seems a more symbolized representation. > > =20 > Good catch. It has been hard to find the proper notation. Your proposal may be better, we'll think about it. > =20 > > 5) It seems that your draft talks about LSP tunnels > > crossing multiple ASes and may not fit well for > > LSP tunnels crossing multiple IGP areas. > > =20 > [...] Well, we take in consideration only inter-AS because the inter-area case is already correctly addressed by the PCE architecture without a boundary as strict as between ASes. As a single administrative domain, a multi-area network could be handle by a single PCE. In addition, because all routers are managed by the same administrative entity, there is no problem to stitch/nest tunnels by means of RSVP-TE as per RFC5151. So, even if your proposal to generalize the approach is conceptually good, we think that it is not so relevant in multi-areas, as opposed to multi-AS. > =20 > > 6) It seems that we may need to extend RSVP-TE in some way. > > One possible way to extend RSVP-TE is as follows: > > =20 > [ ... ] Our proposal avoids any modification to RSVP-TE signalling. All RSVP-TE messages and TLVs needed for our proposal are already standardized. As per RFC 3473, the ERO can already carry labels in a standard way, there is no need for more extensions. > =20 > > Best Regards, > > Huaimo > --------------4C8F1E7EECD15FB30F7A38AD Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable 
Hi Huaimo,

Please find below some answers to your questions.

Best Regards

Olivier & Julien

Le 10/06/2017 =C3=A0 03:57, Huaimo Che= n a =C3=A9crit=C2=A0:

Hi Olivier and Julien,

=C2=A0

=C2=A0=C2=A0=C2=A0 Glad to have a small= talk/discussion with Julian

after his presentation in the last IETF= =2E

=C2=A0

=C2=A0=C2=A0=C2=A0 I read through your = draft and think it is useful.

=C2=A0

=C2=A0=C2=A0=C2=A0 In 2013, I posted draft-chen-pce-label-x-domains,

htt= ps://datatracker.ietf.org/doc/draft-chen-pce-label-x-domains/

which proposes extensions to PCEP for distributing

a label with an interface from a downstream domain

to its upstream domain. This label and interface seem

similar to (or equivalent to) to the stitching label

and interface in your draft.

=C2=A0

=C2=A0=C2=A0=C2=A0 In 2016, I submitted= draft-chen-pce-h-sdns,

https://data= tracker.ietf.org/doc/draft-chen-pce-h-sdns/

which comprises distribution of the label and interface

from a downstream domain to its upstrea= m domain

and set up of an end to end LSP through= "stitching"

local LSP segments using the label and interface

by PCE as controller.


We are also aware of draft-sivabalan-pce-binding-label=
-sid-02.txt that
proposed an interaction between PCE and PCC to exchange a binding label.
Even if the first use case of this draft is Segment Routing, this
Binding Label approach could also be used to stitch tunnels in our approa=
ch.

=C2=A0

=C2=A0

=C2=A0=C2=A0=C2=A0 For your draft, I ha= ve the following comments.

=C2=A0

=C2=A0=C2=A0=C2=A0 1) Term "Contiguous = tunnels":

=C2=A0=C2=A0=C2=A0 In your draft, it se= ems that a "Contiguous tunnel" is

an end to end LSP tunnel crossing domains which is

signaled/created by RSVP-TE.=

Should the term be revised to "Contiguous RSVP-TE tunnels"?

Or generalize the definition of the ter= m without

RSVP-TE?


Yes. It is generalized in order to include Segment Rou=
ting paths that
cross several ASs, or a mix of SR-ASes and RSVP-ASes.
But, we could improve the text by explicitly referring to "Contiguous
RSVP-TE tunnels or Segment Paths" for instance, put the phrase isn't
smooth to read.
=C2=A0

=C2=A0

=C2=A0=C2=A0=C2=A0 2) Term "Stitching t= unnels":

=C2=A0=C2=A0=C2=A0 In the definition of= this term, there is a statement:

"a second end-to-end RSVP-TE Path message is sent by the

initiating domain to stitch the different tunnel parts

to form the end-to-end LSP tunnel."

Does this statement mean that RSVP-TE Path/RESV messages

are exchanged between border nodes in two adjacent domains?

If so, I think that the function of RSVP-TE may be

replaced by some extensions of PCE in this case.

=C2=A0


This statement correspond to the standard way RSVP-TE =
could be used to
stitch two tunnels as mention in RFC5150 and RFC5151.
But, as mention in our draft, these RFCs are not deployed in operational
networks, which is our primary motivation to propose this new draft
based on PCEP.

=C2=A0=C2=A0=C2=A0 3) entry BN of domai= n(j) is called entry BN(j).

Since entry BN of domain(j) is ingress BN of domain(j),

it seems that BNi(j) is a more symbolized representation.

=C2=A0

=C2=A0=C2=A0=C2=A0 4) Exit BN of domain= (j) is called exit BN(j).

Since exit BN of domain(j) is egress BN= of domain(j),

or a BN from which the traffic goes out= of domain(j),

BNe(j) or BNo(j) seems a more symbolize= d representation.

=C2=A0


Good catch. It has been hard to find the proper notati=
on. Your proposal
may be better, we'll think about it.

=C2=A0

=C2=A0=C2=A0=C2=A0 5) It seems that you= r draft talks about LSP tunnels

crossing multiple ASes and may not fit well for

LSP tunnels crossing multiple IGP areas= =2E

=C2=A0

[...]
Well, we take in consideration only inter-AS because t=
he inter-area case
is already correctly addressed by the PCE architecture without a
boundary as strict as between ASes.
As a single administrative domain, a multi-area network could be handle
by a single PCE. In addition, because all routers are managed by the
same administrative entity, there is no problem to stitch/nest tunnels
by means of RSVP-TE as per RFC5151. So, even if your proposal to
generalize the approach is conceptually good, we think that it is not so
relevant in multi-areas, as opposed to multi-AS.

=C2=A0

=C2=A0=C2=A0=C2=A0 6) It seems that we = may need to extend RSVP-TE in some way.

One possible way to extend RSVP-TE is a= s follows:

=C2=A0

[ ... ] 
Our proposal avoids any modification to RSVP-TE signal=
ling. All RSVP-TE
messages and TLVs needed for our proposal are already standardized. As
per RFC 3473, the ERO can already carry labels in a standard way, there
is no need for more extensions.

=C2=A0

Best Regards,

Huaimo


--------------4C8F1E7EECD15FB30F7A38AD-- From nobody Fri Jun 23 17:08:29 2017 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id AC37F129B47; Fri, 23 Jun 2017 17:06:59 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: "\"IETF Secretariat\"" To: , Cc: pce@ietf.org, db3546@att.com X-Test-IDTracker: no X-IETF-IDTracker: 6.55.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149826281969.7840.16810609774396070667.idtracker@ietfa.amsl.com> Date: Fri, 23 Jun 2017 17:06:59 -0700 Archived-At: Subject: [Pce] pce - Requested session has been scheduled for IETF 99 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 24 Jun 2017 00:07:00 -0000 Dear Julien Meuric, The session(s) that you have requested have been scheduled. Below is the scheduled session information followed by the original request. pce Session 1 (1:30:00) Tuesday, Afternoon Session II 1550-1750 Room Name: Congress Hall III size: 250 --------------------------------------------- Request Information: --------------------------------------------------------- Working Group Name: Path Computation Element Area Name: Routing Area Session Requester: Julien Meuric Number of Sessions: 1 Length of Session(s): 1.5 Hours Number of Attendees: 100 Conflicts to Avoid: First Priority: ccamp mpls teas Second Priority: isis ospf idr spring rtgarea Third Priority: sfc pals detnet rtgwg People who must be present: Deborah Brungard Julien Meuric Jonathan Hardwick Resources Requested: Special Requests: --------------------------------------------------------- From nobody Tue Jun 27 10:34:20 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4FB60129C36; Tue, 27 Jun 2017 10:34:18 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id zdbLdG-VBP54; Tue, 27 Jun 2017 10:34:16 -0700 (PDT) Received: from mail-qt0-x243.google.com (mail-qt0-x243.google.com [IPv6:2607:f8b0:400d:c0d::243]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id F23D2128990; Tue, 27 Jun 2017 10:34:15 -0700 (PDT) Received: by mail-qt0-x243.google.com with SMTP id v31so4612672qtb.3; Tue, 27 Jun 2017 10:34:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:message-id:mime-version:subject:date:in-reply-to:cc:to :references; bh=yUbLs68ktt208AHjAKAJ/Fd+ZqiXNGn2lbMjaruaYN0=; b=nxD4F2fn0RvQSoWE0MLxaEJHE8jR4lFsPkNzvZezWMex8xIBZ4tG7XQdYNcL7xx0Wq M2I9R3oeGiWWCOUqE9Yk0DsNaa3OLys/GB9tWB/bImlDp3nMkrQUdAANrxB2Dbd27fVm WO9pAf1h1fX2UDiJD9yWg2qwCP0yK8Z5H/ryZQjCL1GE747I0KozZHfGxeetufb4kfU4 MsaRiBDBXMxE7BKi8z5PSFmOsGXY3y8MFZGR0R/WL6F0gX0S+ANSHwtcHVSbKwDntdcL UYR9Sp7nwRUdaEQc+8va7ol5uavKBF7DpuuUrTB8WmeT/4NSaO3xyF6LZP+bPEvWvHEe eCjQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:message-id:mime-version:subject:date :in-reply-to:cc:to:references; bh=yUbLs68ktt208AHjAKAJ/Fd+ZqiXNGn2lbMjaruaYN0=; b=n8+bM7s7VaurPayGzDi+3wT+5fKrSA167CKdVKAEYGv+O6thipjm7KIIvgqkFH8bzq q43zBJcgLXXRV1LSG0WmeP8Nql/BU88qJmJ6q4NoWnQrKNqJ0kZfSXmxms/uDSNr86Pa nO3RiEugKbhe2dNh2vUI0nR0Guo3bmHOCxqq8EXwXKsE/8SR3JOQleCCKlTGucEvVUHk qLjngC2AUgk20mczw0OOI0iHs35LD401iqsHgafdzSn1rOQMsGib+cJycj5BSApCDhpM OA/O9wqgENKa116QU4jnm3Qnx7nqRnTfx2+SzP645JWzaw/GwEj3MJVBFJ6V8dhA1HyG xCFg== X-Gm-Message-State: AKS2vOzhDcgZsES6tnVbI/2+ZaHn+jNq/8I5Ods/BF2szi6EHo5lXq0V 7UQzpRKSTY2cQndYXbQ= X-Received: by 10.237.48.229 with SMTP id 92mr7510095qtf.156.1498584855093; Tue, 27 Jun 2017 10:34:15 -0700 (PDT) Received: from dyn100010.cc.lehigh.edu (dyn100010.cc.lehigh.edu. [128.180.100.10]) by smtp.gmail.com with ESMTPSA id n97sm2837585qkh.29.2017.06.27.10.34.14 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 27 Jun 2017 10:34:14 -0700 (PDT) From: Zhiheng Liu Message-Id: <6A74122E-1DEB-449D-A343-FC70A85AFD54@gmail.com> Content-Type: multipart/alternative; boundary="Apple-Mail=_E54005AA-5780-454C-928B-5116C66A9A71" Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\)) Date: Tue, 27 Jun 2017 13:34:13 -0400 In-Reply-To: <5316A0AB3C851246A7CA5758973207D45027CA4C@SJCEML702-CHM.china.huawei.com> Cc: draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org, pce-chairs@ietf.org To: pce@ietf.org References: <5316A0AB3C851246A7CA5758973207D45027CA4C@SJCEML702-CHM.china.huawei.com> X-Mailer: Apple Mail (2.3273) Archived-At: Subject: Re: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-scheduling-05 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Jun 2017 17:34:18 -0000 --Apple-Mail=_E54005AA-5780-454C-928B-5116C66A9A71 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 yes/support=20 (as contributor). Zhiheng Liu From: Pce [mailto:pce-bounces@ietf.org ] On = Behalf Of Jonathan Hardwick Sent: 16 June 2017 16:51 To: pce@ietf.org Cc: draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org = ; = pce-chairs@ietf.org Subject: [Pce] Poll for adoption: = draft-zhuang-pce-stateful-pce-lsp-scheduling-05 =20 All, =20 This is the start of a two week poll on making = draft-zhuang-pce-stateful-pce-lsp-scheduling-05 a PCE working group = document. = https://datatracker.ietf.org/doc/draft-zhuang-pce-stateful-pce-lsp-schedul= ing/ = =20 Please review the draft and send an email to the list indicating = =E2=80=9Cyes/support=E2=80=9D or =E2=80=9Cno/do not support=E2=80=9D. = If indicating no, please state your reasons. If yes, please also feel = free to provide comments you'd like to see addressed once the document = is a WG document. =20 The poll ends on Friday, June 30. =20 Many thanks, Jon =20 =20 _______________________________________________ Pce mailing list Pce@ietf.org https://www.ietf.org/mailman/listinfo/pce = --Apple-Mail=_E54005AA-5780-454C-928B-5116C66A9A71 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 yes/support 
(as contributor).
Zhiheng Liu



From: Pce = [mailto:pce-bounces@ietf.org] On = Behalf Of Jonathan Hardwick
Sent: 16 June 2017 = 16:51
Subject: [Pce] Poll for adoption: = draft-zhuang-pce-stateful-pce-lsp-scheduling-05
 
All,
 
This is the start of a two week poll on = making draft-zhuang-pce-stateful-pce-lsp-scheduling-05 a PCE working = group document.
 
Please review the draft and send an email to the list = indicating =E2=80=9Cyes/support=E2=80=9D or =E2=80=9Cno/do not = support=E2=80=9D.  If indicating no, please state your = reasons.  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 on Friday, June 30.
 
Many thanks,
Jon
 
 
_______________________________________________
Pce mailing list

= --Apple-Mail=_E54005AA-5780-454C-928B-5116C66A9A71-- From nobody Tue Jun 27 14:44:29 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 14CA512EB1A; Tue, 27 Jun 2017 14:44:15 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.523 X-Spam-Level: X-Spam-Status: No, score=-14.523 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wMQ8S0Y5srDV; Tue, 27 Jun 2017 14:44:13 -0700 (PDT) Received: from rcdn-iport-3.cisco.com (rcdn-iport-3.cisco.com [173.37.86.74]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6077B1200C5; Tue, 27 Jun 2017 14:44:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=520; q=dns/txt; s=iport; t=1498599853; x=1499809453; h=from:to:cc:subject:date:message-id: content-transfer-encoding:mime-version; bh=dOwO+JcEF1Qr13r3qV7H32ehRu9d1Y7w9h54WiG8krs=; b=arkGGZkrSnx9tUKOmm+KQ1UA7hxtqBRz2lo3oIH3LWYpUF7CUusbb82g TZ1tbOiYMyPoTE0ER8s/e2d3Yv0yVUujokA0Hqyb1g+HI+d02xRrOhtdI uxKqV962SkbRcN8ok0t6p0kv1It7mg0YozXJliZjFdhXjVcF+cg2W9SSB Y=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0CZAABC0FJZ/5JdJa1cGQEBAQEBAQEBA?= =?us-ascii?q?QEBBwEBAQEBg1iBeI1+p2KCEYYcgwU/GAECAQEBAQEBAWsohVk/EgE+QiYBBAE?= =?us-ascii?q?NDYoosxCLXQEBAQEBAQEBAQEBAQEBAQEBASCDJ4NMgWGOAgWebwKBX5IBgXsYh?= =?us-ascii?q?UmKQZUjAR84gQp0FYdciQUBgQwBAQE?= X-IronPort-AV: E=Sophos;i="5.40,272,1496102400"; d="scan'208";a="252795157" Received: from rcdn-core-10.cisco.com ([173.37.93.146]) by rcdn-iport-3.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 Jun 2017 21:44:12 +0000 Received: from XCH-RCD-002.cisco.com (xch-rcd-002.cisco.com [173.37.102.12]) by rcdn-core-10.cisco.com (8.14.5/8.14.5) with ESMTP id v5RLiCA0003810 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Tue, 27 Jun 2017 21:44:12 GMT Received: from xch-rcd-001.cisco.com (173.37.102.11) by XCH-RCD-002.cisco.com (173.37.102.12) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Tue, 27 Jun 2017 16:44:12 -0500 Received: from xch-rcd-001.cisco.com ([173.37.102.11]) by XCH-RCD-001.cisco.com ([173.37.102.11]) with mapi id 15.00.1210.000; Tue, 27 Jun 2017 16:44:11 -0500 From: "Matt Hartley (mhartley)" To: "TEAS WG (teas@ietf.org)" , "ccamp@ietf.org" , "pce@ietf.org" , "mpls@ietf.org" CC: "teas-chairs@ietf.org" , "Matt Hartley (mhartley)" Thread-Topic: Agenda for Joint Yang WG session in Prague Thread-Index: AdLvjgoSaBfnmsHxTqCqVsjaruTqnA== Date: Tue, 27 Jun 2017 21:44:11 +0000 Message-ID: <169daa25ca484ed1ad79f140cad6c250@XCH-RCD-001.cisco.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [161.44.213.79] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Archived-At: Subject: [Pce] Agenda for Joint Yang WG session in Prague X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Jun 2017 21:44:15 -0000 All, Once again, we'll be having a joint Yang session. This time, TEAS is hostin= g, which means I get to organize the agenda. We're meeting at 13:30 - 15:30 on Thursday July 20th. Please send slot requ= ests for the TEAS session to me by the end of the day on Monday, July 3rd (= that's next week). Note that this is also the deadline for draft submission= . We'll need slides for presentation by Friday, July 14th so that we can get = them ready to present over the weekend. Cheers Matt/Lou/Pavan From nobody Tue Jun 27 17:43:34 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id CCE6E129B22 for ; Tue, 27 Jun 2017 17:43:32 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.221 X-Spam-Level: X-Spam-Status: No, score=-4.221 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id FYP7QID-qjcN for ; Tue, 27 Jun 2017 17:43:30 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 26A0C127241 for ; Tue, 27 Jun 2017 17:43:30 -0700 (PDT) Received: from 172.18.7.190 (EHLO lhreml701-cah.china.huawei.com) ([172.18.7.190]) by lhrrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DPY26351; Wed, 28 Jun 2017 00:43:28 +0000 (GMT) Received: from DGGEML403-HUB.china.huawei.com (10.3.17.33) by lhreml701-cah.china.huawei.com (10.201.108.42) with Microsoft SMTP Server (TLS) id 14.3.301.0; Wed, 28 Jun 2017 01:43:27 +0100 Received: from DGGEML509-MBX.china.huawei.com ([169.254.1.166]) by DGGEML403-HUB.china.huawei.com ([fe80::74d9:c659:fbec:21fa%31]) with mapi id 14.03.0301.000; Wed, 28 Jun 2017 08:43:22 +0800 From: "Zhangxian (Xian)" To: "pce@ietf.org" Thread-Topic: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-scheduling-05 Thread-Index: AdLvp3+qswpXvfo7RSCA+WiS7v53xw== Date: Wed, 28 Jun 2017 00:43:22 +0000 Message-ID: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: 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Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.55.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149862891651.18189.10681199583005638317@ietfa.amsl.com> Date: Tue, 27 Jun 2017 22:48:36 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-association-group-03.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Jun 2017 05:48:37 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element of the IETF. Title : PCEP Extensions for Establishing Relationships Between Sets of LSPs Authors : Ina Minei Edward Crabbe Siva Sivabalan Hariharan Ananthakrishnan Dhruv Dhody Yosuke Tanaka Filename : draft-ietf-pce-association-group-03.txt Pages : 20 Date : 2017-06-27 Abstract: This document introduces a generic mechanism to create a grouping of LSPs in the context of a PCE. This grouping can then be used to define associations between sets of LSPs or between a set of LSPs and a set of attributes (such as configuration parameters or behaviors), and is equally applicable to stateful PCE (active and passive modes) and stateless PCE. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-association-group/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-association-group-03 https://datatracker.ietf.org/doc/html/draft-ietf-pce-association-group-03 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-association-group-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 27 23:05:16 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 84A2B129ACC for ; Tue, 27 Jun 2017 23:05:15 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.222 X-Spam-Level: X-Spam-Status: No, score=-4.222 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id RY0a3yZp8U7a for ; Tue, 27 Jun 2017 23:05:13 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4B8D2129B2F for ; Tue, 27 Jun 2017 23:05:13 -0700 (PDT) Received: from 172.18.7.190 (EHLO lhreml702-cah.china.huawei.com) ([172.18.7.190]) by lhrrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DJH92304; Wed, 28 Jun 2017 06:05:11 +0000 (GMT) Received: from BLREML408-HUB.china.huawei.com (10.20.4.47) by lhreml702-cah.china.huawei.com (10.201.108.43) with Microsoft SMTP Server (TLS) id 14.3.301.0; Wed, 28 Jun 2017 07:05:10 +0100 Received: from BLREML501-MBX.china.huawei.com ([10.20.5.198]) by BLREML408-HUB.china.huawei.com ([10.20.4.47]) with mapi id 14.03.0301.000; Wed, 28 Jun 2017 11:34:59 +0530 From: Dhruv Dhody To: "pce@ietf.org" Thread-Topic: [Pce] I-D Action: draft-ietf-pce-association-group-03.txt Thread-Index: AQHS79JT3Iadav+6skqwNuJNONR276I5xQWQ Date: Wed, 28 Jun 2017 06:04:58 +0000 Message-ID: <23CE718903A838468A8B325B80962F9B8CB435AD@blreml501-mbx> References: <149862891651.18189.10681199583005638317@ietfa.amsl.com> In-Reply-To: <149862891651.18189.10681199583005638317@ietfa.amsl.com> Accept-Language: en-GB, zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.18.149.39] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020206.59534717.00BE, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: d4528caeb7ece33fef9940b3a3d1833f Archived-At: Subject: Re: [Pce] I-D Action: draft-ietf-pce-association-group-03.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Jun 2017 06:05:15 -0000 Hi WG,=20 This document is updated after discussion with various association draft au= thors.=20 The main changes in this update are -=20 (1) Handling of Operator-Configured Associations (e.g. Policy) and Dynamic = Associations (e.g. Protection) (2) Operator-configured Association Range to avoid clash of association id (3) Removal of any restriction on Association Source=20 (4) New Error codes and handling (5) Manageability, Security considerations See diff at - https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-pce-associatio= n-group-03 Please review and send us your comments.=20 We should also think about early IANA allocation for this draft, as multipl= e implementation exist.=20 Thanks for those who provided comments earlier - Stephane, Rakesh and Musta= pha.=20 Regards, Dhruv=20 > -----Original Message----- > From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of internet- > drafts@ietf.org > Sent: 28 June 2017 11:19 > To: i-d-announce@ietf.org > Cc: pce@ietf.org > Subject: [Pce] I-D Action: draft-ietf-pce-association-group-03.txt >=20 >=20 > A New Internet-Draft is available from the on-line Internet-Drafts > directories. > This draft is a work item of the Path Computation Element of the IETF. >=20 > Title : PCEP Extensions for Establishing Relationships > Between Sets of LSPs > Authors : Ina Minei > Edward Crabbe > Siva Sivabalan > Hariharan Ananthakrishnan > Dhruv Dhody > Yosuke Tanaka > Filename : draft-ietf-pce-association-group-03.txt > Pages : 20 > Date : 2017-06-27 >=20 > Abstract: > This document introduces a generic mechanism to create a grouping of > LSPs in the context of a PCE. This grouping can then be used to > define associations between sets of LSPs or between a set of LSPs and > a set of attributes (such as configuration parameters or behaviors), > and is equally applicable to stateful PCE (active and passive modes) > and stateless PCE. >=20 >=20 >=20 > The IETF datatracker status page for this draft is: > https://datatracker.ietf.org/doc/draft-ietf-pce-association-group/ >=20 > There are also htmlized versions available at: > https://tools.ietf.org/html/draft-ietf-pce-association-group-03 > https://datatracker.ietf.org/doc/html/draft-ietf-pce-association-group-03 >=20 > A diff from the previous version is available at: > https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-pce-association-group-03 >=20 >=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. >=20 > Internet-Drafts are also available by anonymous FTP at: > ftp://ftp.ietf.org/internet-drafts/ >=20 > _______________________________________________ > Pce mailing list > Pce@ietf.org > https://www.ietf.org/mailman/listinfo/pce From nobody Wed Jun 28 07:25:17 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 13B66129B18; Wed, 28 Jun 2017 07:25:16 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.999 X-Spam-Level: X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id X-wpAijvwcfX; Wed, 28 Jun 2017 07:25:14 -0700 (PDT) Received: from mail-lf0-x243.google.com (mail-lf0-x243.google.com [IPv6:2a00:1450:4010:c07::243]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id AD7E812EA81; Wed, 28 Jun 2017 07:25:13 -0700 (PDT) Received: by mail-lf0-x243.google.com with SMTP id t72so5384370lff.0; Wed, 28 Jun 2017 07:25:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:references:in-reply-to:subject:date:message-id :mime-version:thread-index:content-language; bh=N7jLjdmSqSQqwJ/nH4BC0RSdHm+TnlfLTN1DTV/hzOQ=; b=mP//8gIrAG/Vr0lRKYu0uCpDJd/LLW/24QBHSLB7ddCzr2xXofLg7hdxtuVSon1qPr muMcJxR4rNzql+lc2lY96B6vH1u3SrW71KNq8lbB76sZ6CV+KPOYVuMC5jWOAfQKVyjO Ozrhh580x10OvoszpKo9UdZ8x2al6e0LoZGpPrGHD+IXvhR9bm3yUyYnz3ZMfs12Ymki nXmwLhVyvIPBVjG63AqBPU4MiIYLeQfcDSjotX6Bjb0gWwK1jNe4wrw7UNAvgG1DmN4O w0FuQMiZMtSb/PrO1Tqt92hok9YiazcHoDutboqEFAU2Sxg7mCHHdu6KNoK6Zz7Tj9PD EGJg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:references:in-reply-to:subject:date :message-id:mime-version:thread-index:content-language; bh=N7jLjdmSqSQqwJ/nH4BC0RSdHm+TnlfLTN1DTV/hzOQ=; b=A8rNE0eaLrnZiLjCf6tB/yZ3pHpIwaEIFzhZLe+W4nf0jQ5bAQOS/eBohxLPZB11jP mYgnJDVVsigvIhhm4bmi9sQgZeEH3jow2vNGEMNXRjumv0maUOSpcOXnDUEOGn8knGb5 Dxeq48y/Ws6L36gBz+IKojumjfH4o5wVFyXkH5z6iZkihmcJiwSO1nVgPCresSojyl5z 6yX3CaX2TZVL3aEtcONHuM7D4QDxxNxzF3Y8412PfNTZJJ1fjIbCOiTbH/jG06YMyyFQ exUaaB5jQ0MF0kTbgEByNunlX2tb0X8wfiQ27LvHqqbB0RW35fv8tUsC0ajprZus8iC3 q3Lw== X-Gm-Message-State: AKS2vOyuEQku1uaKJQfcj+J5+9ddqh+6EYjtMTlxdYFgp0ggMZ76rjUv re6Kg9Zolt6H8Tab5AU= X-Received: by 10.25.99.198 with SMTP id v67mr3226757lfi.48.1498659911721; Wed, 28 Jun 2017 07:25:11 -0700 (PDT) Received: from xliuus (wsip-98-191-72-170.dc.dc.cox.net. [98.191.72.170]) by smtp.gmail.com with ESMTPSA id w70sm575697lfi.14.2017.06.28.07.25.09 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 28 Jun 2017 07:25:10 -0700 (PDT) From: "Xufeng Liu" To: "'Jonathan Hardwick'" , Cc: , References: In-Reply-To: Date: Wed, 28 Jun 2017 10:25:07 -0400 Message-ID: <00f601d2f01a$599971d0$0ccc5570$@gmail.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00F7_01D2EFF8.D288BC30" X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQHu7qa1Ddt/TvBhqx8yXvF81NgBuaICVzQw Content-Language: en-us Archived-At: Subject: Re: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-scheduling-05 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Jun 2017 14:25:16 -0000 This is a multipart message in MIME format. ------=_NextPart_000_00F7_01D2EFF8.D288BC30 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit yes/support. Thanks, - Xufeng From: Pce [mailto:pce-bounces@ietf.org] On Behalf Of Jonathan Hardwick Sent: Friday, June 16, 2017 11:51 AM To: pce@ietf.org Cc: draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org; pce-chairs@ietf.org Subject: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-scheduling-05 All, This is the start of a two week poll on making draft-zhuang-pce-stateful-pce-lsp-scheduling-05 a PCE working group document. https://datatracker.ietf.org/doc/draft-zhuang-pce-stateful-pce-lsp-schedulin g/ Please review the draft and send an email to the list indicating "yes/support" or "no/do not support". If indicating no, please state your reasons. 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 on Friday, June 30. Many thanks, Jon ------=_NextPart_000_00F7_01D2EFF8.D288BC30 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

yes/support.

 

Thanks,

- Xufeng

 

From: Pce [mailto:pce-bounces@ietf.org] = On Behalf Of Jonathan Hardwick
Sent: Friday, June 16, = 2017 11:51 AM
To: pce@ietf.org
Cc: = draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org; = pce-chairs@ietf.org
Subject: [Pce] Poll for adoption: = draft-zhuang-pce-stateful-pce-lsp-scheduling-05

 

All,

 

This is the start of a two week = poll on making draft-zhuang-pce-stateful-pce-lsp-scheduling-05 a PCE = working group document.

https://datatracker.ietf.org/doc/draft-zhuang-pce-stateful= -pce-lsp-scheduling/

 

Please review the draft and send an email to the list = indicating “yes/support” or “no/do not support”. =  If indicating no, please state your reasons.  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 on Friday, June = 30.

 

Many thanks,

Jon

 

 

------=_NextPart_000_00F7_01D2EFF8.D288BC30-- From nobody Wed Jun 28 08:17:48 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E7AA71274D0; Wed, 28 Jun 2017 08:17:45 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.523 X-Spam-Level: X-Spam-Status: No, score=-14.523 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id pmT_yh75W_VW; Wed, 28 Jun 2017 08:17:44 -0700 (PDT) Received: from alln-iport-3.cisco.com (alln-iport-3.cisco.com [173.37.142.90]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 40326126DFF; Wed, 28 Jun 2017 08:17:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=893; q=dns/txt; s=iport; t=1498663064; x=1499872664; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=yvsC5zjAH2QEEqAOTpyuJ8veoMFYZ7IGmKa8vmgBUWQ=; b=KPpUQ+MdpGWh+DQbLtQOE0XBpT4gkbNVA/8lu2jq69cZ8khp9lEfCTuR 22OTXtUKGfu1IjRP4kZY9f8GCfaCy0+gGe771OwyiS/B1LpCWWHzhgwdu 9ugpAS8UbgvDLaKpVhFHSTazplklosC1Xfmt3lcAc0puYTVZzEMoWz3kM 0=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0APAgAtyFNZ/5FdJa1cGgEBAQECAQEBA?= =?us-ascii?q?QgBAQEBgystgXifZpV6ghGGHAKDCUAXAQIBAQEBAQEBayiFGAEBAQECATo/BQs?= =?us-ascii?q?CAQg2EDIlAQEEAQ0NiiAIs2OLWgEBAQEBAQEBAQEBAQEBAQEBAQEBAR2DJ4NMg?= =?us-ascii?q?WGDJIpeAQSedAKTZYIThUqKQpUnASABNoEKdBWHXIkjAYEMAQEB?= X-IronPort-AV: E=Sophos;i="5.40,276,1496102400"; d="scan'208";a="446476765" Received: from rcdn-core-9.cisco.com ([173.37.93.145]) by alln-iport-3.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 28 Jun 2017 15:17:21 +0000 Received: from XCH-RCD-002.cisco.com (xch-rcd-002.cisco.com [173.37.102.12]) by rcdn-core-9.cisco.com (8.14.5/8.14.5) with ESMTP id v5SFHL4C006137 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Wed, 28 Jun 2017 15:17:21 GMT Received: from xch-rcd-001.cisco.com (173.37.102.11) by XCH-RCD-002.cisco.com (173.37.102.12) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Wed, 28 Jun 2017 10:17:20 -0500 Received: from xch-rcd-001.cisco.com ([173.37.102.11]) by XCH-RCD-001.cisco.com ([173.37.102.11]) with mapi id 15.00.1210.000; Wed, 28 Jun 2017 10:17:20 -0500 From: "Matt Hartley (mhartley)" To: "TEAS WG (teas@ietf.org)" , "ccamp@ietf.org" , "pce@ietf.org" , "mpls@ietf.org" CC: "teas-chairs@ietf.org" , "Matt Hartley (mhartley)" Thread-Topic: Agenda for Joint Yang WG session in Prague Thread-Index: AdLvjgoSaBfnmsHxTqCqVsjaruTqnAAk39mQ Date: Wed, 28 Jun 2017 15:17:20 +0000 Message-ID: References: <169daa25ca484ed1ad79f140cad6c250@XCH-RCD-001.cisco.com> In-Reply-To: <169daa25ca484ed1ad79f140cad6c250@XCH-RCD-001.cisco.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [161.44.213.115] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Archived-At: Subject: Re: [Pce] Agenda for Joint Yang WG session in Prague X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Jun 2017 15:17:46 -0000 A clarification on this: keep in mind that the joint session is intended to= provide a forum for raising YANG related issues or impacts that relate to = more than one of the participating WGs (PCE, CCAMP, MPLS, and TEAS). Simpl= e updates or single WG issues should be discussed in the respective WG sess= ion. Matt/Lou/Pavan > All, >=20 > Once again, we'll be having a joint Yang session. This time, TEAS is > hosting, which means I get to organize the agenda. >=20 > We're meeting at 13:30 - 15:30 on Thursday July 20th. Please send slot > requests for the TEAS session to me by the end of the day on Monday, July > 3rd (that's next week). Note that this is also the deadline for draft > submission. >=20 > We'll need slides for presentation by Friday, July 14th so that we can ge= t > them ready to present over the weekend. >=20 > Cheers >=20 > Matt/Lou/Pavan From nobody Wed Jun 28 09:29:31 2017 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 32E3D129B91; Wed, 28 Jun 2017 09:29:23 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: The IESG To: "IETF-Announce" X-Test-IDTracker: no X-IETF-IDTracker: 6.55.1 Auto-Submitted: auto-generated Precedence: bulk CC: db3546@att.com, draft-ietf-pce-pceps@ietf.org, Cyril Margaria , pce@ietf.org, pce-chairs@ietf.org, cmargaria@juniper.net Reply-To: ietf@ietf.org Sender: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-ID: <149866736310.7591.11141860613009824208.idtracker@ietfa.amsl.com> Date: Wed, 28 Jun 2017 09:29:23 -0700 Archived-At: Subject: [Pce] Last Call: (Secure Transport for PCEP) to Proposed Standard X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Jun 2017 16:29:23 -0000 The IESG has received a request from the Path Computation Element WG (pce) to consider the following document: - 'Secure Transport for PCEP' as Proposed Standard The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send substantive comments to the ietf@ietf.org mailing lists by 2017-07-12. Exceptionally, comments may be sent to iesg@ietf.org instead. In either case, please retain the beginning of the Subject line to allow automated sorting. Abstract The Path Computation Element Communication Protocol (PCEP) defines the mechanisms for the communication between a Path Computation Client (PCC) and a Path Computation Element (PCE), or among PCEs. This document describe the usage of Transport Layer Security (TLS) to enhance PCEP security, hence the PCEPS acronym proposed for it. The additional security mechanisms are provided by the transport protocol supporting PCEP, and therefore they do not affect the flexibility and extensibility of PCEP. This document updates RFC 5440 regarding the PCEP initialization phase specification. The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-pce-pceps/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-ietf-pce-pceps/ballot/ No IPR declarations have been submitted directly on this I-D. From nobody Wed Jun 28 20:47:33 2017 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id C3E6C1276AF; Wed, 28 Jun 2017 20:47:31 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.55.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149870805176.6579.15568478923426445002@ietfa.amsl.com> Date: Wed, 28 Jun 2017 20:47:31 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-pcep-yang-03.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Jun 2017 03:47:32 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element of the IETF. Title : A YANG Data Model for Path Computation Element Communications Protocol (PCEP) Authors : Dhruv Dhody Jonathan Hardwick Vishnu Pavan Beeram Jeff Tantsura Filename : draft-ietf-pce-pcep-yang-03.txt Pages : 104 Date : 2017-06-28 Abstract: This document defines a YANG data model for the management of Path Computation Element communications Protocol (PCEP) for communications between a Path Computation Client (PCC) and a Path Computation Element (PCE), or between two PCEs. The data model includes configuration data and state data (status information and counters for the collection of statistics). The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-yang/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-pcep-yang-03 https://datatracker.ietf.org/doc/html/draft-ietf-pce-pcep-yang-03 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-pcep-yang-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 Wed Jun 28 21:17:34 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8D0F91276AF for ; Wed, 28 Jun 2017 21:17:32 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 51ppfPqXQwdQ for ; Wed, 28 Jun 2017 21:17:30 -0700 (PDT) Received: from mail-qt0-x22e.google.com (mail-qt0-x22e.google.com [IPv6:2607:f8b0:400d:c0d::22e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 51F83127775 for ; Wed, 28 Jun 2017 21:17:30 -0700 (PDT) Received: by mail-qt0-x22e.google.com with SMTP id i2so65479896qta.3 for ; Wed, 28 Jun 2017 21:17:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=TDTINCOsgtXdXK2kOCEdCIxH0U1r8/J+Ruqy3aQ9U6o=; b=tEBF2tOF/9H2hKnuCWs+X1Qw1m1sB10fC0vIju7JyzKR4StqJkMkjYciot9ZDxQQIh iIQXoVk4m1xuHrE4lrlyEbimAzfkcMFCcJBNlxMPtOKU1utlB9hHawjfMtTG0VLFrMSR GAcYx4T17aLU1u2UoHymUtxDAGx4RoIFZY8BWZIYaaJxX/il7BMhJ+PhdsgYvCfvwqyx 4RLLfVv+4ssXN4AhWZK/xV9KIySTbx4P5Zsev6pPuYa54VGasmjuf8cicm0QneG/rG2h P0mMPS2YxxExgspOeh36940jB5kSWa7IA62HOhYLC5XVuZ9FS6zokafVw6Y+0QiQx1uN M5ZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=TDTINCOsgtXdXK2kOCEdCIxH0U1r8/J+Ruqy3aQ9U6o=; b=MTFND9t9XLGxmCbUqtk12feZxA4Y+Ew/MODixa4dGk4ZusZlgZIlnik04IYd+S/H6o FUpubk069DG43hEaNDFQ5Z8WlWw7A8PRe7Y1ZhBRaISI0uFNcmY8dHz1xy5t3gzZ0mNh +RR8KNdRisjR9IViNTxwyrqyugUoF0EzrJ3GSXWXFAshDLaCa3BAElYEwbUvEAmmfRxZ X3fsfIvz13Et8xZvnRH6cJ61Mjsnwx2zdxKYHqT3xa8qCkAdqa2QQ7JvZvLm2vRUQ7yu VxY17VCoCDkjeKNiwOr1TMB0aoghKFwfCrk7TlCijW/dfb11iQih+P2f5HrqajbGHWl7 r14w== X-Gm-Message-State: AKS2vOzoOv8Q6Q6M+PcUBak3SCP23ugy/IeKvdLxp3oSN9Tubyzz84cL Ak+qkbTC++qBMObrkF3S3tdK7qEP1Afs1ec= X-Received: by 10.237.59.243 with SMTP id s48mr17067989qte.192.1498709849217; Wed, 28 Jun 2017 21:17:29 -0700 (PDT) MIME-Version: 1.0 Sender: dhruvdhody@gmail.com X-Google-Sender-Delegation: dhruvdhody@gmail.com Received: by 10.200.58.129 with HTTP; Wed, 28 Jun 2017 21:17:28 -0700 (PDT) In-Reply-To: <149870805176.6579.15568478923426445002@ietfa.amsl.com> References: <149870805176.6579.15568478923426445002@ietfa.amsl.com> From: Dhruv Dhody Date: Thu, 29 Jun 2017 09:47:28 +0530 X-Google-Sender-Auth: SCT2iQ_vUxIQf2n1ZiqEfwESEEI Message-ID: To: "pce@ietf.org" Content-Type: multipart/alternative; boundary="94eb2c0e613c2f1e2105531194d0" Archived-At: Subject: Re: [Pce] I-D Action: draft-ietf-pce-pcep-yang-03.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Jun 2017 04:17:32 -0000 --94eb2c0e613c2f1e2105531194d0 Content-Type: text/plain; charset="UTF-8" Hi WG, The PCE yang model has been updated, the main changes are - (1) Aligning to NMDA, with the PCEP operational state being included in the same tree as the PCEP configuration. (2) Support for TLS (PCEPS); reusing groupings from [I-D. ietf-netconf-tls-client-server]. (3) Editorial changes. Please let us know if there are any comments. Git: https://github.com/dhruvdhody-huawei/pcep-yang.git Regards, Dhruv On Thu, Jun 29, 2017 at 9:17 AM, wrote: > > A New Internet-Draft is available from the on-line Internet-Drafts > directories. > This draft is a work item of the Path Computation Element of the IETF. > > Title : A YANG Data Model for Path Computation Element > Communications Protocol (PCEP) > Authors : Dhruv Dhody > Jonathan Hardwick > Vishnu Pavan Beeram > Jeff Tantsura > Filename : draft-ietf-pce-pcep-yang-03.txt > Pages : 104 > Date : 2017-06-28 > > Abstract: > This document defines a YANG data model for the management of Path > Computation Element communications Protocol (PCEP) for communications > between a Path Computation Client (PCC) and a Path Computation > Element (PCE), or between two PCEs. The data model includes > configuration data and state data (status information and counters > for the collection of statistics). > > > The IETF datatracker status page for this draft is: > https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-yang/ > > There are also htmlized versions available at: > https://tools.ietf.org/html/draft-ietf-pce-pcep-yang-03 > https://datatracker.ietf.org/doc/html/draft-ietf-pce-pcep-yang-03 > > A diff from the previous version is available at: > https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-pcep-yang-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/ > > _______________________________________________ > Pce mailing list > Pce@ietf.org > https://www.ietf.org/mailman/listinfo/pce > --94eb2c0e613c2f1e2105531194d0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
= Hi WG,=C2=A0

The PCE yang model has bee= n updated, the main changes are -=C2=A0

(1) Aligning to NMDA, with the P= CEP operational state being included in the same tree as the PCEP configura= tion.
(2) Support for TLS (PCEPS); reusing grouping= s from [I-D.ietf-netconf-tls-client-server].
(3) Editorial changes.

Please let us know if there are any comments.=C2=A0

Git:=C2=A0ht= tps://github.com/dhruvdhody-huawei/pcep-yang.git
Regards,
Dhruv


On Thu, Jun 29, 2017 at 9:17 AM, <= ;internet-dra= fts@ietf.org> wrote:

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 of the IETF.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 Title=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0:= A YANG Data Model for Path Computation Element Communications Protocol (PC= EP)
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Authors=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0: Dhru= v Dhody
=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 Jonathan Hardwick
=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
=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 Jeff Tantsura
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Filename=C2=A0 =C2=A0 =C2=A0 =C2=A0 : draft-iet= f-pce-pcep-yang-03.txt
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Pages=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0:= 104
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Date=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 := 2017-06-28

Abstract:
=C2=A0 =C2=A0This document defines a YANG data model for the management of = Path
=C2=A0 =C2=A0Computation Element communications Protocol (PCEP) for communi= cations
=C2=A0 =C2=A0between a Path Computation Client (PCC) and a Path Computation=
=C2=A0 =C2=A0Element (PCE), or between two PCEs.=C2=A0 The data model inclu= des
=C2=A0 =C2=A0configuration data and state data (status information and coun= ters
=C2=A0 =C2=A0for the collection of statistics).


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/dra= ft-ietf-pce-pcep-yang/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-p= ce-pcep-yang-03
https://datatracker.ietf.org/d= oc/html/draft-ietf-pce-pcep-yang-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url= 2=3Ddraft-ietf-pce-pcep-yang-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:
ftp://ftp.ietf.org/internet-drafts/

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

--94eb2c0e613c2f1e2105531194d0-- From nobody Wed Jun 28 22:11:37 2017 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 40ABD126B6D; Wed, 28 Jun 2017 22:11:36 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.55.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149871309623.6555.12985890563685885259@ietfa.amsl.com> Date: Wed, 28 Jun 2017 22:11:36 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-association-policy-01.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Jun 2017 05:11:36 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element of the IETF. Title : Path Computation Element communication Protocol extension for associating Policies and LSPs Authors : Dhruv Dhody Siva Sivabalan Stephane Litkowski Jeff Tantsura Jonathan Hardwick Filename : draft-ietf-pce-association-policy-01.txt Pages : 11 Date : 2017-06-28 Abstract: This document introduces a simple mechanism to associate policies to a group of Label Switched Paths (LSPs) via an extension to the Path Computation Element (PCE) Communication Protocol (PCEP). The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-association-policy/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-association-policy-01 https://datatracker.ietf.org/doc/html/draft-ietf-pce-association-policy-01 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-association-policy-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 Thu Jun 29 02:38:54 2017 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 7535B128C83; Thu, 29 Jun 2017 02:38:44 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.55.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149872912445.6526.8191129399028930247@ietfa.amsl.com> Date: Thu, 29 Jun 2017 02:38:44 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-applicability-actn-01.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Jun 2017 09:38:44 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element of the IETF. Title : Applicability of Path Computation Element (PCE) for Abstraction and Control of TE Networks (ACTN) Authors : Dhruv Dhody Young Lee Daniele Ceccarelli Filename : draft-ietf-pce-applicability-actn-01.txt Pages : 18 Date : 2017-06-29 Abstract: Abstraction and Control of TE Networks (ACTN) refers to the set of virtual network operations needed to orchestrate, control and manage large-scale multi-domain TE networks so as to facilitate network programmability, automation, efficient resource sharing, and end-to- end virtual service aware connectivity and network function virtualization services. The Path Computation Element Communication Protocol (PCEP) provides mechanisms for Path Computation Elements (PCEs) to perform path computations in response to Path Computation Clients (PCCs) requests. This document examines the applicability of PCE to the ACTN framework. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-applicability-actn/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-applicability-actn-01 https://datatracker.ietf.org/doc/html/draft-ietf-pce-applicability-actn-01 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-applicability-actn-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 Thu Jun 29 03:02:15 2017 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 8D89A129436; Thu, 29 Jun 2017 03:02:04 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.55.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149873052454.6542.5886122247309567840@ietfa.amsl.com> Date: Thu, 29 Jun 2017 03:02:04 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-stateful-hpce-01.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Jun 2017 10:02:05 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element of the IETF. Title : Hierarchical Stateful Path Computation Element (PCE). Authors : Dhruv Dhody Young Lee Daniele Ceccarelli Jongyoon Shin Daniel King Oscar Gonzalez de Dios Filename : draft-ietf-pce-stateful-hpce-01.txt Pages : 19 Date : 2017-06-29 Abstract: A Stateful Path Computation Element (PCE) maintains information on the current network state, including: computed Label Switched Path (LSPs), reserved resources within the network, and pending path computation requests. This information may then be considered when computing new traffic engineered LSPs, and for associated and dependent LSPs, received from Path Computation Clients (PCCs). The Hierarchical Path Computation Element (H-PCE) architecture, provides an architecture to allow the optimum sequence of inter-connected domains to be selected, and network policy to be applied if applicable, via the use of a hierarchical relationship between PCEs. Combining the capabilities of Stateful PCE and the Hierarchical PCE would be advantageous. This document describes general considerations and use cases for the deployment of Stateful PCE(s) using the Hierarchical PCE architecture. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-stateful-hpce/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-stateful-hpce-01 https://datatracker.ietf.org/doc/html/draft-ietf-pce-stateful-hpce-01 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-stateful-hpce-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 Thu Jun 29 11:14:12 2017 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id A127C126B7E; Thu, 29 Jun 2017 11:14:04 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.55.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149876004459.27848.7981625186460708950@ietfa.amsl.com> Date: Thu, 29 Jun 2017 11:14:04 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-pcep-yang-04.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Jun 2017 18:14:05 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element of the IETF. Title : A YANG Data Model for Path Computation Element Communications Protocol (PCEP) Authors : Dhruv Dhody Jonathan Hardwick Vishnu Pavan Beeram Jeff Tantsura Filename : draft-ietf-pce-pcep-yang-04.txt Pages : 103 Date : 2017-06-29 Abstract: This document defines a YANG data model for the management of Path Computation Element communications Protocol (PCEP) for communications between a Path Computation Client (PCC) and a Path Computation Element (PCE), or between two PCEs. The data model includes configuration data and state data (status information and counters for the collection of statistics). The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-yang/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-pcep-yang-04 https://datatracker.ietf.org/doc/html/draft-ietf-pce-pcep-yang-04 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-pcep-yang-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/ From nobody Thu Jun 29 18:07:59 2017 Return-Path: X-Original-To: pce@ietfa.amsl.com Delivered-To: pce@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 295D312EB1B; Thu, 29 Jun 2017 18:07:58 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7BZnC6NNluTE; Thu, 29 Jun 2017 18:07:55 -0700 (PDT) Received: from m176115.mail.qiye.163.com (m176115.mail.qiye.163.com [59.111.176.115]) by ietfa.amsl.com (Postfix) with ESMTP id 41DF3124D68; Thu, 29 Jun 2017 18:07:54 -0700 (PDT) Received: from WangajPC (unknown [219.142.69.78]) by m176115.mail.qiye.163.com (Hmail) with ESMTPA id 9304666143F; Fri, 30 Jun 2017 09:07:52 +0800 (CST) From: "Aijun Wang" To: "'Jonathan Hardwick'" , Cc: , References: In-Reply-To: Date: Fri, 30 Jun 2017 09:07:48 +0800 Message-ID: <002b01d2f13d$4a3a00a0$deae01e0$@org.cn> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_002C_01D2F180.585D40A0" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AdLmt9r3JyGn65J4SGOReKDT2S5qyAKhAYzQ Content-Language: zh-cn X-HM-Spam-Status: e1kIGBQJHllBS1VLV1koWUFKTEtLSjdXWS1ZQUlXWQkOFx4IWUFZMjUtOj cyP0FLVUtZBg++ X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6Mgw6MBw5STorVg9MAQsJFQhL HTUwFB9VSlVKT0JDTENPQ0xJQ0JIVTMWGhIXVQwaFRwaEhEOFTsPCBIVHBMOGlUUCRxVGBVFWVdZ EgtZQVlJSkJVSk9JVU1CVUxDWVdZCAFZQUpLTUlINwY+ X-HM-Tid: 0a5cf68a391d9373kuws9304666143f Archived-At: Subject: [Pce] =?gb2312?b?tPC4tDogIFBvbGwgZm9yIGFkb3B0aW9uOiBkcmFmdC16aHVh?= =?gb2312?b?bmctcGNlLXN0YXRlZnVsLXBjZS1sc3Atc2NoZWR1bGluZy0wNQ==?= X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Jun 2017 01:07:58 -0000 This is a multi-part message in MIME format. ------=_NextPart_000_002C_01D2F180.585D40A0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: quoted-printable Yes/support. The resource scheduled idea can also be applied on non-MPLS network to accelerate/guarantee the deployment of end-to-end QoS assurance path in centrally manner. =20 Best Regards. =20 Aijun Wang Network R&D and Operation Support Department China Telecom Corporation Limited Beijing Research Institute,Beijing, = China. =20 =B7=A2=BC=FE=C8=CB: Pce [mailto:pce-bounces@ietf.org] =B4=FA=B1=ED = Jonathan Hardwick =B7=A2=CB=CD=CA=B1=BC=E4: 2017=C4=EA6=D4=C216=C8=D5 23:51 =CA=D5=BC=FE=C8=CB: pce@ietf.org =B3=AD=CB=CD: draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org; pce-chairs@ietf.org =D6=F7=CC=E2: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-scheduling-05 =20 All, =20 This is the start of a two week poll on making draft-zhuang-pce-stateful-pce-lsp-scheduling-05 a PCE working group document. https://datatracker.ietf.org/doc/draft-zhuang-pce-stateful-pce-lsp-schedu= lin g/ =20 Please review the draft and send an email to the list indicating =A1=B0yes/support=A1=B1 or =A1=B0no/do not support=A1=B1. If indicating = no, please state your reasons. If yes, please also feel free to provide comments you'd = like to see addressed once the document is a WG document. =20 The poll ends on Friday, June 30. =20 Many thanks, Jon =20 =20 ------=_NextPart_000_002C_01D2F180.585D40A0 Content-Type: text/html; charset="gb2312" Content-Transfer-Encoding: quoted-printable

Yes/support.

The resource scheduled idea can = also be applied on non-MPLS network to accelerate/guarantee the = deployment of end-to-end QoS assurance path in centrally = manner.

 

Best = Regards.

 

Aijun = Wang

Network R&D = and Operation Support Department

China Telecom = Corporation Limited Beijing Research Institute,Beijing, = China.

 

=B7=A2=BC=FE=C8=CB: Pce = [mailto:pce-bounces@ietf.org] =B4=FA=B1=ED = Jonathan = Hardwick
=B7=A2=CB=CD=CA=B1=BC= =E4: 2017=C4=EA6=D4=C216=C8=D5 23:51
=CA=D5=BC=FE=C8=CB: = pce@ietf.org
=B3=AD=CB=CD: = draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.org; = pce-chairs@ietf.org
=D6=F7=CC=E2: [Pce] Poll for adoption: = draft-zhuang-pce-stateful-pce-lsp-scheduling-05<= /p>

 

All,

 

This is the start of a two week poll on making = draft-zhuang-pce-stateful-pce-lsp-scheduling-05 a PCE working group = document.

https://datatracker.ietf.org/doc/draft-zhuang-pce-stateful= -pce-lsp-scheduling/

 

Please review the draft and send an email to the list = indicating =A1=B0yes/support=A1=B1 or =A1=B0no/do not support=A1=B1. =  If indicating no, please state your reasons.  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 on Friday, June = 30.

 

Many thanks,

Jon

 

 

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X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 9d9e56eb-f613-4ddb-b27b-bfcdf14b2cdb X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY2PR0201MB1912 Archived-At: Subject: Re: [Pce] Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-scheduling-05 X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Jun 2017 15:40:38 -0000 --_000_BY2PR0201MB1910D63195FB5B645952180684D30BY2PR0201MB1910_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable This poll for adoption has concluded, with the result that the document wil= l be adopted by the PCE working group. Authors, please resubmit this version of the draft with the new name draft-= ietf-pce-stateful-pce-lsp-scheduling-00. Thanks Jon From: Jonathan Hardwick [mailto:Jonathan.Hardwick@metaswitch.com] Sent: 16 June 2017 16:51 To: pce@ietf.org Cc: pce-chairs@ietf.org; draft-zhuang-pce-stateful-pce-lsp-scheduling@ietf.= org Subject: Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-scheduling-05 All, This is the start of a two week poll on making draft-zhuang-pce-stateful-pc= e-lsp-scheduling-05 a PCE working group document. https://datatracker.ietf.org/doc/draft-zhuang-pce-stateful-pce-lsp-scheduli= ng/ Please review the draft and send an email to the list indicating "yes/suppo= rt" or "no/do not support". If indicating no, please state your reasons. = If yes, please also feel free to provide comments you'd like to see address= ed once the document is a WG document. The poll ends on Friday, June 30. Many thanks, Jon --_000_BY2PR0201MB1910D63195FB5B645952180684D30BY2PR0201MB1910_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

This poll for adoption= has concluded, with the result that the document will be adopted by the PC= E working group.

Authors, please resubm= it this version of the draft with the new name draft-ietf-pce-stateful-pce-= lsp-scheduling-00.

Thanks

Jon<= /p>

 

 

From: Jonathan Hardwick [mailto:Jonathan.Hardwick@metaswitch.com]
Sent: 16 June 2017 16:51
To: pce@ietf.org
Cc: pce-chairs@ietf.org; draft-zhuang-pce-stateful-pce-lsp-schedulin= g@ietf.org
Subject: Poll for adoption: draft-zhuang-pce-stateful-pce-lsp-schedu= ling-05

 

All,

 

This is the start of a two week poll on making draft= -zhuang-pce-stateful-pce-lsp-scheduling-05 a PCE working group document.

https://datatracker.ietf.org/doc/dra= ft-zhuang-pce-stateful-pce-lsp-scheduling/

 

Please review the draft and send an email to the = list indicating “yes/support” or “no/do not support”= ;.  If indicating no, please state your reasons.  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 on Friday, June 30.

 

Many thanks,

Jon

 

 

--_000_BY2PR0201MB1910D63195FB5B645952180684D30BY2PR0201MB1910_-- From nobody Fri Jun 30 08:59:57 2017 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 009EE12F29A; Fri, 30 Jun 2017 08:59:55 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.55.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149883839493.4630.12263950088014051984@ietfa.amsl.com> Date: Fri, 30 Jun 2017 08:59:54 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-stateful-pce-lsp-scheduling-00.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Jun 2017 15:59:55 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element of the IETF. Title : PCEP Extensions for LSP scheduling with stateful PCE Authors : Huaimo Chen Yan Zhuang Qin Wu Dhruv Dhody Daniele Ceccarelli Filename : draft-ietf-pce-stateful-pce-lsp-scheduling-00.txt Pages : 21 Date : 2017-06-30 Abstract: This document proposes a set of extensions needed to the stateful Path Computation Element (PCE) communication Protocol (PCEP), so as to enable Labeled Switched Path (LSP) scheduling for path computation and LSP setup/deletion based on the actual network resource usage duration of a traffic service in a centralized network environment as stated in [I.D.ietf-teas-scheduled-resources]. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-stateful-pce-lsp-scheduling/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-stateful-pce-lsp-scheduling-00 https://datatracker.ietf.org/doc/html/draft-ietf-pce-stateful-pce-lsp-scheduling-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 Fri Jun 30 22:44:08 2017 Return-Path: X-Original-To: pce@ietf.org Delivered-To: pce@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 6BF80131552; Fri, 30 Jun 2017 22:43:59 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.55.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149888783940.477.15855146793857951375@ietfa.amsl.com> Date: Fri, 30 Jun 2017 22:43:59 -0700 Archived-At: Subject: [Pce] I-D Action: draft-ietf-pce-pcep-yang-05.txt X-BeenThere: pce@ietf.org X-Mailman-Version: 2.1.22 List-Id: Path Computation Element List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 01 Jul 2017 05:43:59 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Path Computation Element of the IETF. Title : A YANG Data Model for Path Computation Element Communications Protocol (PCEP) Authors : Dhruv Dhody Jonathan Hardwick Vishnu Pavan Beeram Jeff Tantsura Filename : draft-ietf-pce-pcep-yang-05.txt Pages : 103 Date : 2017-06-30 Abstract: This document defines a YANG data model for the management of Path Computation Element communications Protocol (PCEP) for communications between a Path Computation Client (PCC) and a Path Computation Element (PCE), or between two PCEs. The data model includes configuration data and state data (status information and counters for the collection of statistics). The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-yang/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pce-pcep-yang-05 https://datatracker.ietf.org/doc/html/draft-ietf-pce-pcep-yang-05 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-pcep-yang-05 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/