[Pce] New draft: draft-zhang-pce-reqs-for-tdm-00

. == Thanks Fatai Advanced Technology Department Wireline Networking Business Unit Huawei Technologies Co., LTD. Huawei Base, Bantian, Longgang, Shenzhen 518129 P.R.China Tel: +86-755-28972912 Fax: +86-755-28972935 Network work group Fatai Zhang

[Pce] Discussions on PCE requirements for GMPLS

Hi PCEers We have a draft (draft-zhang-pce-reqs-for-tdm-00.txt) in the process. This draft describes some requirements for applying Path Computation Element (PCE) in Time-Division Multiplexing (TDM) networks. I think GMPLS-based TDM networks can be regarded as sub-set of GMPLS networks (for

Re: [Pce] New draft: draft-margaria-pce-gmpls-pcep-extensions-00

- Original Message - From: Margaria, Cyril (NSN - DE/Munich) cyril.marga...@nsn.com To: ext Fatai Zhang zhangfa...@huawei.com Cc: pce@ietf.org; sures...@huawei.com Sent: Thursday, January 07, 2010 9:09 PM Subject: RE: [Pce] New draft: draft-margaria-pce-gmpls-pcep-extensions-00 Hi Fatai

[Pce] discussion on draft-zhang-pce-pcep-extensions-for-gmpls

Hi PCEers, To respond to the call from JP, I trigger this discussion and hope you can review this draft and give your comments or suggestions. Note that this draft (draft-zhang-pce-pcep-extensions-for-gmpls) is used to replace another draft (draft-zhang-pce-pcep-extensions-for-sdh), which was

Re: [Pce] I-D Action:draft-ietf-pce-gmpls-aps-req-02.txt

Hi All, We just submitted an updated version of this draft: http://www.ietf.org/id/draft-ietf-pce-gmpls-aps-req-02.txt The major updates are as follows: (1) Added Section 3.3 to address unnumbered endpoints (2) Added Section 3.4 to address Asymmetric Bandwidth Path Computation (3) Updated

Re: [Pce] Adopting draft-king-pce-inter-area-as-applicability-02.txt as a PCE WG document

Yes/Support. Best Regards Fatai - Original Message - From: Giovanni Martinelli To: JP Vasseur Cc: olivier.dug...@orange-ftgroup.com ; pce@ietf.org ; Quintin Zhao Sent: Saturday, October 16, 2010 3:23 PM Subject: Re: [Pce] Adopting

Re: [Pce] LABEL-SET as object and TLV in pcep-extensions-01

Hi Ramon and Christian, I agree with Ramon that we should refine the description on the Label format (Lebel,Label_Set, Suggested_Label) based on the different cases in PCReq and PCRep messages (e.g. Endpoints, E2E constraint, ERO, SVEC). Thanks Fatai Huawei Technologies Co., LTD.

Re: [Pce] VENDOR-CONSTRAINT

Hi Christian, Thanks for your comments. Could you explain a little more about what are requirements for the VENOR-CONSTRAINT TLV? Why VENOR-CONSTRAINT object can not meet these requirements? How many (and which) objects should be extended to include VENOR-CONSTRAINT TLV? Thanks Fatai

Re: [Pce] VENDOR-CONSTRAINT

From: Fatai Zhang [zhangfa...@huawei.com] Sent: Wednesday, May 11, 2011 05:14 To: Kaas-Petersen Christian; pce@ietf.org Subject: Re: [Pce] VENDOR-CONSTRAINT Hi Christian, Thanks for your comments. Could you explain a little more about what are requirements

Re: [Pce] VENDOR-CONSTRAINT

Hi Ramon, If I understand you correctly, do you meant that you prefer only the VENDOR-CONSTRAINT object to one extra TLV? Thanks Fatai Huawei Technologies Co., LTD. Huawei Base, Bantian, Longgang, Shenzhen 518129 P.R.China Tel: +86-755-28972912 Fax: +86-755-28972935 - Original

Re: [Pce] VENDOR-CONSTRAINT

Hi Ramon, OK, thanks a lot. Any more opinions from the WG? Thanks Fatai Huawei Technologies Co., LTD. Huawei Base, Bantian, Longgang, Shenzhen 518129 P.R.China Tel: +86-755-28972912 Fax: +86-755-28972935 - Original Message - From: Ramon Casellas To: Fatai Zhang ; pce

Re: [Pce] request timeslot for draft-wang-pce-inter-as-extentions-01

Hi all, RFC5392 is a kind of mechamism and it is already there. Why we need to define another solution based on some nonexistent assumption? Fatai Thanks - Original Message - From: JP Vasseur To: fu.xi...@zte.com.cn Cc: pce-boun...@ietf.org ; pce@ietf.org ; 王磊 Sent:

[Pce] 答复: IPR Check on draft-ietf-pce-hierarchy-fwk

Hi Julien and all, I am not aware of any IPR that applies to this draft. Thanks Fatai -邮件原件- 发件人: julien.meu...@orange.com [mailto:julien.meu...@orange.com] 发送时间: 2012年6月8日 22:42 收件人: Daniel King; Adrian Farrel; Quintin zhao; Fatai Zhang 抄送: pce@ietf.org 主题: IPR Check on draft-ietf

[Pce] 答复: I-D Action: draft-ietf-pce-gmpls-aps-req-06.txt

Fatai Zhang Filename: draft-ietf-pce-gmpls-aps-req-06.txt Pages : 15 Date: 2012-06-27 Abstract: The initial effort of PCE WG is specifically focused on MPLS (Multi- protocol label switching). As a next step, this draft

[Pce] 答复: I-D Action: draft-ietf-pce-vendor-constraints-06.txt

: Conveying Vendor-Specific Constraints in the Path Computation Element Protocol Author(s) : Fatai Zhang Adrian Farrel Greg Bernstein Filename: draft-ietf-pce-vendor-constraints-06.txt Pages : 13 Date

[Pce] 答复: I-D Action: draft-ietf-pce-inter-layer-ext-07.txt

Tomonori Takeda Adrian Farrel Fatai Zhang Filename: draft-ietf-pce-inter-layer-ext-07.txt Pages : 19 Date: 2012-07-13 Abstract: The Path Computation Element (PCE

[Pce] 答复: 答复: I-D Action: draft-ietf-pce-inter-layer-ext-07.txt

件人: pce@ietf.org 主题: Re: [Pce] 答复: I-D Action: draft-ietf-pce-inter-layer-ext-07.txt On 07/13/2012 11:02 AM, Fatai Zhang wrote: Hi all, A new version has been submitted. Only one change: Introduce a new PCEP object (SERVER-INDICATION) to replace ERO subobject in Section 3.5, because one

[Pce] 答复: 答复: 答复: I-D Action: draft-ietf-pce-inter-layer-ext-07.txt

[mailto:ramon.casel...@cttc.es] 发送时间: 2012年7月16日 17:12 收件人: Fatai Zhang 抄送: pce@ietf.org 主题: Re: 答复: [Pce] 答复: I-D Action: draft-ietf-pce-inter-layer-ext-07.txt Hi Fatai, Thanks for the clarifications, other comments inline On 07/16/2012 08:47 AM, Fatai Zhang wrote: Hi Ramon, For Q1, it could

[Pce] 答复: 答复: 答复: I-D Action: draft-ietf-pce-inter-layer-ext-07.txt

to the PCEP extension defined in this draft and it can understand “SEVER-INDICATION” object. Note that please don’t mix the PCEP protocol and RSVP protocol or data plane capability. For Q2, agree with you. Thanks Fatai 发件人: Fatai Zhang 发送时间: 2012年7月17日 15:35 收件人: 'Ramon Casellas' 抄送: pce

Re: [Pce] I-D Action: draft-ietf-pce-vendor-constraints-07.txt

Working Group of the IETF. Title : Conveying Vendor-Specific Constraints in the Path Computation Element Protocol Author(s) : Fatai Zhang Adrian Farrel Greg Bernstein Filename: draft-ietf-pce

[Pce] 答复: I-D Action: draft-ietf-pce-vendor-constraints-08.txt

Element Protocol Author(s) : Fatai Zhang Adrian Farrel Greg Bernstein Filename: draft-ietf-pce-vendor-constraints-08.txt Pages : 10 Date: 2012-08-30 Abstract: The Path

[Pce] 答复: stateful PCE - moving forward next steps

Hi Ramon and Julien, Thanks for your useful comments. I agree with Julien and Ramon. We of course need to investigate which way is a preference for PCE WG. I think if it could integrate GMPLS, I would suggest moving to that direction, because GMPLS is generic and covers MPLS as what Julien

[Pce] 答复: Questions about stateful PCE, relation to WG charter and opinion about stateful PCE

Hi Jan, The PCE is not limited to path computation only. The PCE can set other LSP parameters as well: RFC5440 defines objects for bandwidth, setup hold priorities, the local protection flag, etc. More LSP parameters have been added in subsequent RFCs and drafts. [Fatai] I have to

[Pce] 答复: 答复: Questions about stateful PCE, relation to WG charter and opinion about stateful PCE

Crabbe [mailto:e...@google.com] 发送时间: 2012年11月12日 11:59 收件人: Fatai Zhang 抄送: Jan Medved (jmedved); pce@ietf.org 主题: Re: [Pce] 答复: Questions about stateful PCE, relation to WG charter and opinion about stateful PCE We currently appear to be involved in some sort of pre-fiat working group process

[Pce] 答复: Questions about stateful PCE, relation to WG charter and opinion about stateful PCE

(jmedved) [mailto:jmed...@cisco.com] 发送时间: 2012年11月12日 13:09 收件人: Fatai Zhang 抄送: Oscar González de Dios; pce@ietf.org 主题: Re: [Pce] Questions about stateful PCE, relation to WG charter and opinion about stateful PCE Fatai, On Nov 11, 2012, at 6:56 PM, Fatai Zhang wrote: Hi Jan, You said

[Pce] 答复: 答复: Questions about stateful PCE, relation to WG charter and opinion about stateful PCE

, Fatai Zhang wrote: Hi Jan, Hi Fatai, The PCE is not limited to path computation only. The PCE can set other LSP parameters as well: RFC5440 defines objects for bandwidth, setup hold priorities, the local protection flag, etc. More LSP parameters have been added in subsequent RFCs

Re: [Pce] Ramblings of two old dogs

Hi Adrian, Very interesting and useful draft. A few small comments from me for discussion. (1) What Is Topology Information? Should SRLG/SRG information be mentioned? (2) Does H-PCE Solve The Internet? It is obviously that the answer is NO. However, another question could be addressed: how

[Pce] 答复: Adoption of draft-dhody-pce-pcep-service-aware as a new WG document ?

Yes/Support. Thanks Fatai 发件人: pce-boun...@ietf.org [pce-boun...@ietf.org] 代表 JP Vasseur (jvasseur) [jvass...@cisco.com] 发送时间: 2013年3月12日 4:13 到: pce@ietf.org 主题: [Pce] Adoption of draft-dhody-pce-pcep-service-aware as a new WG document ? Dear

[Pce] 答复: Adoption of draft-lee-pce-wson-rwa-ext as a new PCE WG Document ?

Yes/Support as a co-author. Thanks Fatai 发件人: pce-boun...@ietf.org [pce-boun...@ietf.org] 代表 JP Vasseur (jvasseur) [jvass...@cisco.com] 发送时间: 2013年3月12日 4:17 到: pce@ietf.org 主题: [Pce] Adoption of draft-lee-pce-wson-rwa-ext as a new PCE WG Document ?

Re: [Pce] Last IPR Check on draft-ietf-pce-gmpls-aps-req-07

Hi Julien, I am not aware of any IPR to this draft. Note that I think the IPR that you mentioned below was removed (because the disclosure was wrong). Best Regards Fatai -Original Message- From: Julien Meuric [mailto:julien.meu...@orange.com] Sent: Tuesday, April 30, 2013 5:13

Re: [Pce] Stateful PCE applicability

Hi all, Definitely, Yes for both. Best Regards Fatai From: pce-boun...@ietf.org [mailto:pce-boun...@ietf.org] On Behalf Of JP Vasseur (jvasseur) Sent: Saturday, June 22, 2013 4:20 PM To: Ina Minei; pce@ietf.org Subject: Re: [Pce] Stateful PCE applicability Thanks Ina - good question :

[Pce] 答复: Comments on draft-ietf-pce-gmpls-pcep-extensions-08

Hi all, I think a new object type could be better and simple. Thanks Fatai 发件人: pce-boun...@ietf.org [mailto:pce-boun...@ietf.org] 代表 Ramon Casellas 发送时间: 2013年7月30日 17:32 收件人: Jonathan Hardwick; pce@ietf.org 主题: Re: [Pce] Comments on draft-ietf-pce-gmpls-pcep-extensions-08 On 07/30/2013

[Pce] 答复: Poll for Adoption of draft-zhang-pce-hierarchy-extensions-04

Support as co-author. Fatai -邮件原件- 发件人: pce-boun...@ietf.org [mailto:pce-boun...@ietf.org] 代表 Julien Meuric 发送时间: 2013年8月1日 17:31 收件人: pce@ietf.org 主题: [Pce] Poll for Adoption of draft-zhang-pce-hierarchy-extensions-04 Hi again. Following the poll in the room during yesterday

Re: [Pce] Last IPR Check on draft-ietf-pce-vendor-constraints

No, I am not aware of any IPR that applies to this draft. Best Regards Fatai -Original Message- From: Julien Meuric [mailto:julien.meu...@orange.com] Sent: Monday, October 14, 2013 8:36 PM To: draft-ietf-pce-vendor-constrai...@tools.ietf.org Cc: pce@ietf.org Subject: Last IPR

[Pce] Collecting comments for draft-ietf-pce-inter-layer-ext

Hi all, I think you noticed that this draft has been expired for quite long time. I think it is time to move forward this draft. If you have any comments, please share to the authors or the list. Best Regards Fatai ___ Pce mailing list

Re: [Pce] Poll for Adoption of draft-zhang-pce-pcep-stateful-pce-gmpls-03

Support as co-author. Best Regards Fatai -Original Message- From: pce-boun...@ietf.org [mailto:pce-boun...@ietf.org] On Behalf Of Julien Meuric Sent: Tuesday, November 12, 2013 10:18 PM To: pce@ietf.org Subject: [Pce] Poll for Adoption of

[Pce] 答复: Adoption of draft-ali-pce-remote-initiated-gmpls-lsp-03.txt as PCE WG Document ?

Support. Thanks Fatai -邮件原件- 发件人: Pce [mailto:pce-boun...@ietf.org] 代表 JP Vasseur (jvasseur) 发送时间: 2014年3月4日 18:52 收件人: pce@ietf.org 主题: [Pce] Adoption of draft-ali-pce-remote-initiated-gmpls-lsp-03.txt as PCE WG Document ? Dear WG, As discussed during the PCE WG meeting today

[Pce] 答复: Adoption of draft-minei-pce-stateful-sync-optimizations as PCE WG Document?

Support. Thanks Fatai -邮件原件- 发件人: Pce [mailto:pce-boun...@ietf.org] 代表 Julien Meuric 发送时间: 2014年3月5日 2:12 收件人: pce@ietf.org 主题: [Pce] Adoption of draft-minei-pce-stateful-sync-optimizations as PCE WG Document? Dear WG, As discussed during the PCE WG meeting today, we had some

[Pce] 答复: Adoption of draft-lopez-pce-pceps-02 as PCE WG Document ?

Support. Thanks Fatai -邮件原件- 发件人: Pce [mailto:pce-boun...@ietf.org] 代表 JP Vasseur (jvasseur) 发送时间: 2014年3月4日 17:48 收件人: pce@ietf.org 主题: [Pce] Adoption of draft-lopez-pce-pceps-02 as PCE WG Document ? Dear WG, As discussed during the PCE WG meeting today where we had good support

[Pce] 答复: Last IPR Check on draft-ietf-pce-gmpls-pcep-extensions

Hi all, No, I am not aware of any IPR that applies to this document. Thanks Fatai -邮件原件- 发件人: Julien Meuric [mailto:julien.meu...@orange.com] 发送时间: 2014年7月22日 23:28 收件人: draft-ietf-pce-gmpls-pcep-extensi...@tools.ietf.org 抄送: pce@ietf.org 主题: Last IPR Check on

Re: [Pce] Request for early allocation of code points for draft-ietf-pce-inter-layer-ext status of draft

Hi Oscar, I don't think we need to ask early allocation of code points, which is for the special case (ie., early allocation is not the normal procedure) and the right values will be allocated during RFC publication stage (ie., the clash will disappear) . The authors of this draft including

Re: [Pce] Preaching about code points in drafts

Hi Adrian, I think the steps you proposed really make sense. I have one comment for clarification on step (2a) and (4), did you mean that it only needs to use TBD rather than the suggested values? In addtion, for the new drafts (or non-existing drafts with clash), can I re-order your steps

Re: [Pce] Preaching about code points in drafts

Hi, Sorry, I should say (2b) and (4), :-) Best Regards Fatai -Original Message- From: Fatai Zhang Sent: Thursday, September 18, 2014 4:32 PM To: 'adr...@olddog.co.uk'; pce@ietf.org Cc: pce-cha...@tools.ietf.org Subject: RE: [Pce] Preaching about code points in drafts Hi Adrian

Re: [Pce] [CCAMP] Initial version for liaison text: New Liaison Statement, "Achieving Packet Network Optimization using DWDM Interfaces"

M optical interface > parameters and GMPLS protocols that need to be updated, which might be > relevant to your project, but this work in CCAMP is still in individual drafts > stage. We would like to receive your input. > ====== > =

[Pce] Seeking comments on [draft-ietf-pce-inter-layer-ext]

Hi all, As discussed in BA meeting, the authors are going to refresh this draft, which has been expired for long time. WG review and any comments would be appreciated. Thanks Fatai ___ Pce mailing list Pce@ietf.org

[Pce] 答复: I-D Action: draft-ietf-pce-inter-layer-ext-09.txt

Adrian Farrel Fatai Zhang Filename: draft-ietf-pce-inter-layer-ext-09.txt Pages : 18 Date: 2016-04-25 Abstract: The Path Computation Element (PCE) provides path computation functions in support of traffic

[Pce] 答复: Whither Stateless PCE?

Hi Stephane, Could you clarify what is interoperability issue in multivendor environment (multivendor in one administrative domain?)? Do you mean there is interoperability issue when vendor 1 supports stateless PCE and vendor 2 supports stateful PCE? Thanks Fatai 发件人: Pce

[Pce] 答复: Working group last call (including final IPR check) for draft-ietf-pce-wson-rwa-ext

2016, 12:34 Para: Leeyoung <leeyo...@huawei.com<mailto:leeyo...@huawei.com>>, Ramon Casellas <ramon.casel...@cttc.es<mailto:ramon.casel...@cttc.es>>, Fatai Zhang <zhangfa...@huawei.com<mailto:zhangfa...@huawei.com>>, Cyril Margaria <cyril.marga...@gmail.co

[Pce] 答复: [mpls] http://tools.ietf.org/html/draft-busibel-teas-yang-path-computation-00

Hi all, I share the same understanding as Dieter and Francesco. I don’t see much value of the stateful path computation, because the computed path cannot be guaranteed and it brings much overhead as Francesco pointed. I think it makes sense if the resource of the stateful path should be

[Pce] 答复: [mpls] http://tools.ietf.org/html/draft-busibel-teas-yang-path-computation-00

from the control plane perspective rather than reserve the resource on the data plane through SMP mechanism). Thanks Fatai 发件人: Igor Bryskin 发送时间: 2016年11月9日 23:56 收件人: Francesco Lazzeri; Fatai Zhang; Dieter Beller 抄送: m...@ietf.org; CCAMP (cc...@ietf.org); Scharf, Michael (Nokia - DE); pce

[Pce] 答复: Working group last call (including final IPR check) for draft-ietf-pce-inter-layer-ext-09

Hi all, I am not aware of any IPR that applies to this document. (Sorry, if my response did not go the list because of mail server problem). Thanks Fatai 发件人: Jonathan Hardwick [mailto:jonathan.hardw...@metaswitch.com] 发送时间: 2016年8月24日 19:30 收件人: pce@ietf.org;

[Pce] 答复: [Teas] FlexE side meeting on Monday 17, at 18.30 - 20.00

Hi Loa, Thanks for your effort. I think you missed the leading actor: CCAMP WG, :-). Forwarded to CCAMP as well. Thanks Fatai -邮件原件- 发件人: Teas [mailto:teas-boun...@ietf.org] 代表 Loa Andersson 发送时间: 2017年3月17日 9:17 收件人: draft-izh-ccamp-flexe-...@ietf.org; mpls-cha...@ietf.org;

[Pce] 答复: Poll for adoption: draft-dhodylee-pce-stateful-hpce

Yes/support. Thanks Fatai 发件人: Pce [mailto:pce-boun...@ietf.org] 代表 Jonathan Hardwick 发送时间: 2017年6月1日 20:25 收件人: pce@ietf.org 抄送: draft-dhodylee-pce-stateful-h...@ietf.org; pce-cha...@ietf.org 主题: [Pce] Poll for adoption: draft-dhodylee-pce-stateful-hpce All, This is the start of a two

[Pce] 答复: Building the PCE Agenda for IETF 103

Hi Dhruv, When I clicked the link you provided, it went to https://datatracker..ietf.org/meeting/103/materials/agenda-103-pce/, and it showed something wrong. I think the correct link should be: https://datatracker.ietf.org/meeting/103/materials/agenda-103-pce/ Thanks Fatai 发件人: Pce

[Pce] 答复: Building the PCE Agenda for IETF 103

OK, thanks. It seems that it is mischievous only on my machine, ☺ Thanks Fatai 发件人: Belotti, Sergio (Nokia - IT/Vimercate) [mailto:sergio.belo...@nokia.com] 发送时间: 2018年10月25日 17:45 收件人: Dhruv Dhody ; Fatai Zhang 抄送: pce@ietf.org; pce-cha...@ietf.org 主题: RE: [Pce] Building the PCE Agenda

[Pce] 答复: IPR Check on draft-ietf-pce-hierarchy-extensions

Hi, No, I am not aware of any IPR that applies to this draft. Thanks Fatai -邮件原件- 发件人: Julien Meuric [mailto:julien.meu...@orange.com] 发送时间: 2018年9月7日 0:01 收件人: draft-ietf-pce-hierarchy-extensi...@ietf.org 抄送: pce@ietf.org 主题: IPR Check on draft-ietf-pce-hierarchy-extensions

[Pce] 答复: Replacing Jon as PCE Co-Chair

Jon, Thanks for your great contribution to PCE WG! Congratulations to Dhruv (and Adrian)! I think PCE WG would be the most popular WG of RTG since it is the only one with three chairs and Adrian – one of the founders of PCE WG, ☺ Thanks Fatai From: Pce mailto:pce-boun...@ietf.org>> On