Re: [mpls] 答复: SR-MPLS-TP: Question on draft-xiong-pce-pcep-extension-sr-tp
Loa Andersson <loa@pi.nu> Wed, 10 April 2019 10:26 UTC
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To: xiong.quan@zte.com.cn
Cc: pce@ietf.org, draft-xiong-pce-pcep-extension-sr-tp@ietf.org, gregory.mirsky@ztetx.com, "mpls@ietf.org" <mpls@ietf.org>, "spring@ietf.org" <spring@ietf.org>
References: <201904101547214513821@zte.com.cn>
From: Loa Andersson <loa@pi.nu>
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Date: Wed, 10 Apr 2019 12:26:35 +0200
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Subject: Re: [mpls] 答复: SR-MPLS-TP: Question on draft-xiong-pce-pcep-extension-sr-tp
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Quan, I think you are right that this discussion will be of interest for the SPRING and MPLS working group. I have copied the working group mailing lists. On 2019-04-10 09:47, xiong.quan@zte.com.cn wrote: > > Hi Loa, > > > Thanks for your review and inspired comment! It is very important and > much appreciated. > > > Refer to your question, we proposed the terminology of the "SR-MPLS-TP" > in the following use case draft. > > <https://datatracker.ietf.org/doc/draft-hu-mpls-sr-inter-domain-use-cases/>https://datatracker.ietf.org/doc/draft-hu-mpls-sr-inter-domain-use-cases/ > > > > We plan to work on the definition and scope of SR-MPLS-TP and start > discussion in MPLS and SPRING working group next week. > > Welcome to review and discuss about that draft and provide suggestions > for SR-MPLS-TP! > > > Best Regards, > > Quan > > > > 原始邮件 > *发件人:*LoaAndersson <loa@pi.nu> > *收件人:*pce@ietf.org > <pce@ietf.org>;draft-xiong-pce-pcep-extension-sr-tp@ietf.org > <draft-xiong-pce-pcep-extension-sr-tp@ietf.org>; > *日 期 :*2019年04月10日 03:55 > *主 题 :**SR-MPLS-TP: Question on draft-xiong-pce-pcep-extension-sr-tp* > Authors, Working Group, > > MPLS-TP is defined as a network that: > > "It MUST be possible to operate and configure the MPLS-TP data > plane without any IP forwarding capability in the MPLS-TP data > plane. (RFC 5654, section 2.3, requirement 36.)" > > ... > > "It MUST be possible to provide protection for the MPLS-TP data > plane without any IP forwarding capability in the MPLS-TP data > plane. (RFC 5654, section 2.5.1.1, requirement 63.)" > > In fact most MPLS-TP networks are deployed without IP in the data > plane. > > SR-MPLS on the other hand is a technology that is defined to USE > IGPs to distribute MPLS-labels, and thus requires IP in the data > plane. > > PCEP also runs over TCP/IP. > > The draft does not discuss this. I think this is needed, do you > have plans to do so? > > /Loa > -- > > > Loa Andersson email: loa@pi.nu > Senior MPLS Expert > Bronze Dragon Consulting phone: +46 739 81 21 64 > > -- Loa Andersson email: loa@pi.nu Senior MPLS Expert Bronze Dragon Consulting phone: +46 739 81 21 64
- Re: [mpls] 答复: SR-MPLS-TP: Question on draft-xion… Loa Andersson
- [mpls] [MPLS]New Draft Notification for draft-xio… xiong.quan