Re: [spring] SRv6 - SRH in encaps or base header - point 2

2018-10-30 Thread Chengli (IP Technology Research)
Hi Darren, I think the text of encapsulating mode is clear for me. But I still have some questions of the insertion mode . 1.1 : Node 9 has a choice, encapsulate to node 3 or not. If node 9 does not encapsulate, it will inform the destination of the segments in the SRH and possibly leak them t

Re: [spring] New Version Notification for draft-li-spring-srv6-path-segment-00.txt

2018-10-23 Thread Chengli (IP Technology Research)
co-authors). -Original Message- From: internet-dra...@ietf.org [mailto:internet-dra...@ietf.org] Sent: Monday, October 22, 2018 3:04 PM To: Rakesh Gandhi ; Lizhenbin ; Dhruv Dhody ; Mach Chen ; Dongjie (Jimmy) ; Mach Chen ; Chengli (IP Technology Research) Subject: New Version

Re: [spring] Question: Inconsistency of SR policy structure

2018-10-19 Thread Chengli (IP Technology Research)
Hi Stefano, Yes, thanks for your reply. Regards, Cheng -Original Message- From: stefano previdi [mailto:stef...@previdi.net] Sent: Friday, October 19, 2018 3:06 PM To: Chengli (IP Technology Research) Cc: draft-ietf-spring-segment-routing-pol...@ietf.org; draft-ietf-idr-segment

Re: [spring] Question: Inconsistency of SR policy structure

2018-10-19 Thread Chengli (IP Technology Research)
:52 PM To: stefano previdi ; Chengli (IP Technology Research) Cc: draft-ietf-spring-segment-routing-pol...@ietf.org; SPRING WG List ; draft-ietf-idr-segment-routing-te-pol...@ietf.org; Lizhenbin ; i...@ietf.org Subject: RE: [spring] Question: Inconsistency of SR policy structure +1 The draft

Re: [spring] Question: Inconsistency of SR policy structure

2018-10-19 Thread Chengli (IP Technology Research)
Hi Stefano, Please see line. Cheng -Original Message- From: stefano previdi [mailto:stef...@previdi.net] Sent: Friday, October 19, 2018 2:49 PM To: Chengli (IP Technology Research) Cc: draft-ietf-spring-segment-routing-pol...@ietf.org; draft-ietf-idr-segment-routing-te-pol

[spring] Question: Inconsistency of SR policy structure

2018-10-18 Thread Chengli (IP Technology Research)
Hi authors, I am working on updating drafts of path segment extensions in BGP/BGP-LS: * https://tools.ietf.org/html/draft-li-idr-sr-policy-path-segment-distribution-00 * https://tools.ietf.org/html/draft-li-idr-bgp-ls-sr-policy-path-segment-00 But I found the inconsistency of

[spring] May I ask about the status of the new SPRING charter?

2018-05-07 Thread Chengli (IP Technology Research)
Hi all, After reading some threads that talk about the new charter, I would like to know the status of rechartering. Thanks! Cheng Li ___ spring mailing list spring@ietf.org https://www.ietf.org/mailman/listinfo/spring

Re: [spring] [mpls] Working Group adoption of draft-farrel-mpls-sfc

2018-03-29 Thread Chengli (IP Technology Research)
I just reviewed the latest version, it seems the content of section 6 is almost the same as version-04. This overlaps with draft-xuclad-spring-sr-service-chaining, IMHO. It seems a little bit early to adopt this version before the conflictions addressed. BR, Cheng -Original Message---

Re: [spring] [**EXTERNAL**] Re: SPRING - rechartering discussion

2018-03-19 Thread Chengli (IP Technology Research)
Hi all, Yes,+1 to traffic steering and OAM. As mentioned by Mach, Zafar and others, OAM is very important for SR to be deployed in a production network, and there are many works of OAM have been done. They should be added to Charter so that SR can be developed well since the fundamental SR me

Re: [spring] [mpls] Special purpose labels in draft-hegde-spring-traffic-accounting-for-sr-paths

2017-11-15 Thread Chengli (IP Technology Research)
Shraddha, I agree with your point of counters are needed for per flow fully, if we need to measure per flow in SR. For measuring performance, some states are needed, and it is good to not create new forwarding states or control states. It is the same for both solutions. But I still think 3 o