Re: [spring] New Version Notification for draft-xie-spring-srv6-multicast-00.txt

2023-03-12 Thread Xiejingrong (Jingrong)
notify the sender by phone or email immediately and delete it! -Original Message- From: internet-dra...@ietf.org [mailto:internet-dra...@ietf.org] Sent: Thursday, March 9, 2023 10:47 AM To: Xiejingrong (Jingrong) ; Gengxuesong (Geng Xuesong) Subject: New Version Notification for d

Re: [spring] Re:New Version Notification for draft-dong-spring-sr-4map6-segment-00.txt

2023-03-12 Thread Xiejingrong (Jingrong)
Hi Guozhen and authors, Thanks for introducing your I-D. I have read this I-D roughly, and noticed the following description in section 3: When a new IPv6 packet arrives at PE2, PE2 parses its Locator part. If it matches the IPv6 mapping prefix instantiated by itself, it decapsulates th

Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment

2023-02-28 Thread Xiejingrong (Jingrong)
immediately and delete it! From: Rishabh Parekh [mailto:risha...@gmail.com] Sent: Wednesday, March 1, 2023 5:38 AM To: Xiejingrong (Jingrong) Cc: SPRING WG List ; spring-cha...@ietf.org Subject: Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment Jingrong, Your suggestion, especially

Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment

2023-02-28 Thread Xiejingrong (Jingrong)
;. Thanks! Jim, Joel & Bruno From: Rishabh Parekh mailto:risha...@gmail.com>> Sent: Thursday, February 16, 2023 12:37 AM To: James Guichard mailto:james.n.guich...@futurewei.com>> Cc: Xiejingrong (Jingrong) mailto:40huawei@dmarc.ietf.org>>; bruno.decra...@orange.com<

[spring] Violation of the SRv6 architecture concern //RE: WGLC for draft-ietf-spring-sr-replication-segment

2023-02-20 Thread Xiejingrong (Jingrong)
ames Guichard [mailto:james.n.guich...@futurewei.com] Sent: Monday, February 20, 2023 11:30 PM To: Xiejingrong (Jingrong) ; Joel Halpern ; bruno.decra...@orange.com Cc: SPRING WG ; spring-cha...@ietf.org Subject: RE: [spring] WGLC for draft-ietf-spring-sr-replication-segment Hi Jingrong, Please see i

Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment

2023-02-20 Thread Xiejingrong (Jingrong)
Hi Joel, and the WG chairs, As I commented in previous mail [B], the authors are trying the best to find some scattered pieces of sentences, sometimes from RFC8754, and sometimes from RFC8986 or RFC9256, to argue that the “VPN SID after Replication SID” is a valid solution. As an example, t

Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment

2023-02-20 Thread Xiejingrong (Jingrong)
Hi Jim, and WG chairs: For Jim’s comment: ”[Jim] Section 4.3.1 of RFC 8754 would appear to agree with you but I welcome the WGs comments on this if there is disagreement.” I think the sentence “Future documents may define additional SRv6 SIDs. In such a case, the entire content of this section

Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment

2023-02-19 Thread Xiejingrong (Jingrong)
Hi Authors, Do you have a timeline in mind to address my questions in the following [1] [3] [4] [8b] that are still pending before you write a new Pseudo-code ? [1] https://mailarchive.ietf.org/arch/msg/spring/659RqpS2eOabwBpist6iH6nGgrw/ [2] https://mailarchive.ietf.org/arch/msg/spring/zo

[spring] [EXPERIENCE] //RE: WGLC for draft-ietf-spring-sr-replication-segment

2023-02-16 Thread Xiejingrong (Jingrong)
rsons other than the intended recipient(s) is prohibited. If you receive this e-mail in error, please notify the sender by phone or email immediately and delete it! From: spring [mailto:spring-boun...@ietf.org] On Behalf Of Xiejingrong (Jingrong) Sent: Thursday, February 16, 2023 3:47 PM To:

Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment

2023-02-15 Thread Xiejingrong (Jingrong)
oun...@ietf.org] On Behalf Of James Guichard Sent: Thursday, February 16, 2023 12:05 AM To: Xiejingrong (Jingrong) ; bruno.decra...@orange.com; Rishabh Parekh Cc: SPRING WG Subject: Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment Hi Jingrong & document authors, I would li

Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment

2023-02-10 Thread Xiejingrong (Jingrong)
Hi WG, I don’t agree with Bruno’s point that “this draft could be better restricted to the SR-replication segment itself, leaving any application/VPN specifics outside the scope of this SPRING document”. As I commented in [8] to the same point, the backing solution of this document is tightly r

Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment

2023-01-28 Thread Xiejingrong (Jingrong)
the sender by phone or email immediately and delete it! From: Gyan Mishra [mailto:hayabusa...@gmail.com] Sent: Tuesday, January 24, 2023 2:06 PM To: Xiejingrong (Jingrong) Cc: James Guichard ; Rishabh Parekh ; SPRING WG ; spring-cha...@ietf.org Subject: Re: [spring] WGLC for draft-ietf-spring-sr

[spring] Request for comments on draft-xl-msr6-source-segment-02 //RE: WGLC for draft-ietf-spring-sr-replication-segment

2023-01-28 Thread Xiejingrong (Jingrong)
Hi WG, I am still waiting for the issue about “SRv6 VPN SID in Multicast” in WGLC draft [*] draft-ietf-spring-sr-replication-segment to be resolved. To be collaborative, I had already mentioned repeatedly to use “Source Address” for considering as an possible option to solve the issue. Conside

Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment

2023-01-19 Thread Xiejingrong (Jingrong)
delete it! From: Rishabh Parekh [mailto:risha...@gmail.com] Sent: Wednesday, January 18, 2023 11:15 AM To: Xiejingrong (Jingrong) Cc: James Guichard ; SPRING WG ; spring-cha...@ietf.org Subject: Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment Jingrong, Your point [1] (Context SID in

Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment

2023-01-13 Thread Xiejingrong (Jingrong)
Hi WG: Thank you Jim, Joel & Bruno for updating the status of the WGLC and committing that every comments will be addressed and confirmed by the committers. However, my comments, for example the “issue #1 VPN SID in Multicast” we have heavily argued [1], are not confirmed but seem to hide by si

Re: [spring] Progressing the PBT-M “Zero Overhead property” draft

2023-01-04 Thread Xiejingrong (Jingrong)
Hi Gyan, Thank you firstly for introducing this document to spring and to me (not subscribed IPPM yet ^-^). After read this draft and the discussions under this thread, I have recalled my understanding on passport, postcard (PBT-Mark, DEX). I think PBT-M is a useful approach for postcard telemet

Re: [spring] Issue #1: VPN SID in Multicast //RE: WGLC for draft-ietf-spring-sr-replication-segment

2022-12-23 Thread Xiejingrong (Jingrong)
immediately and delete it! From: Rishabh Parekh [mailto:risha...@gmail.com] Sent: Thursday, December 22, 2022 2:00 AM To: Xiejingrong (Jingrong) Cc: SPRING WG ; spring-cha...@ietf.org Subject: Re: [spring] Issue #1: VPN SID in Multicast //RE: WGLC for draft-ietf-spring-sr-replication-segment Xi

[spring] Issue #1: VPN SID in Multicast //RE: WGLC for draft-ietf-spring-sr-replication-segment

2022-12-17 Thread Xiejingrong (Jingrong)
[mailto:risha...@gmail.com] Sent: Saturday, December 17, 2022 6:21 AM To: Xiejingrong (Jingrong) Cc: SPRING WG ; spring-cha...@ietf.org Subject: Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment Jingrong, Replies @ [RP] Thanks, -Rishabh. On Sat, Dec 10, 2022 at 5:22 PM Xiejingrong

Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment

2022-12-11 Thread Xiejingrong (Jingrong)
? fe08:x:x:x:x:x:x:x? ::127.x.x.x ? 4. What does the “insert” in the draft exactly mean for SRv6 ? Thanks, Jingrong From: spring [mailto:spring-boun...@ietf.org] On Behalf Of Xiejingrong (Jingrong) Sent: Sunday, December 11, 2022 9:22 AM To: SPRING WG Cc: spring-cha...@ietf.org Subject: Re: [spring

Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment

2022-12-10 Thread Xiejingrong (Jingrong)
] Sent: Thursday, December 8, 2022 6:52 AM To: Xiejingrong (Jingrong) Cc: James Guichard ; SPRING WG ; spring-cha...@ietf.org Subject: Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment Jingrong, For the second one regarding the SID after the replication SID, I still have some

Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment

2022-12-08 Thread Xiejingrong (Jingrong)
it! From: Rishabh Parekh [mailto:risha...@gmail.com] Sent: Thursday, December 8, 2022 6:52 AM To: Xiejingrong (Jingrong) Cc: James Guichard ; SPRING WG ; spring-cha...@ietf.org Subject: Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment Jingrong, For the second one regarding the SID

Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment

2022-12-07 Thread Xiejingrong (Jingrong)
Parekh [mailto:risha...@gmail.com] Sent: Wednesday, December 7, 2022 6:32 AM To: Xiejingrong (Jingrong) Cc: James Guichard ; SPRING WG ; spring-cha...@ietf.org Subject: Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment Jingrong, In section 2.1 and 2.2, it says “An Anycast SID or BGP

Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment

2022-12-05 Thread Xiejingrong (Jingrong)
Hi PIM & MSR6 : I feel the last-calling document in SPRING may be useful to understand MSR6 and related work. This Spring document[1] defines an SRv6 SID End.Replicate to perform a multipoint transport behavior statefully. The MSR6 document[2] defines an SRv6 SID End.RGB to perform a multipoin

Re: [spring] WGLC for draft-ietf-spring-sr-replication-segment

2022-12-05 Thread Xiejingrong (Jingrong)
Hi WG and authors, I have read this document and have some questions. In section 2.1 and 2.2, it says “An Anycast SID or BGP PeerSID MUST NOT appear in segment list preceding a Replication SID.” I don’t know BGP PeerSID very well, but for anycast SID, I think it may be useful and suitable to ap

Re: [spring] [IPv6] Pls comment: On core BIER/MSR6 differentiation

2022-11-15 Thread Xiejingrong (Jingrong)
Hi, Thank you Toerless for your summary on the "core BIER/MSR6 differentiation". I feel no words other than the two you have summarized below, "Operational and Architectural." Operational: MSR6 is for IPv6 network, and BIER for MPLS network (yes I know BIER has a Non-MPLS BIER encapsulation whic

Re: [spring] 6MAN WGLC: draft-ietf-6man-sids

2022-10-06 Thread Xiejingrong (Jingrong)
Hi Suresh, Sorry for the late reply due to a long holiday. Please see inline below marked with [XJR]. Thanks, Jingrong. -Original Message- From: Suresh Krishnan [mailto:suresh.krish...@gmail.com] Sent: Friday, September 30, 2022 4:46 AM To: Xiejingrong (Jingrong) Cc: Jen Linkova

Re: [spring] 6MAN WGLC: draft-ietf-6man-sids

2022-09-29 Thread Xiejingrong (Jingrong)
Hi working group: I have a few comments/questions on the draft (Marked with ==> in the beginning of a line). Section 1 "SR source nodes initiate packets with a segment identifier in the Destination Address of the IPv6 header". ==>SR source node may be a host originating a packet ... ==>SR sour

Re: [spring] Network Programming Interface for Provisioning of Underlay Services to Overlay Networks Using SRv6 (draft-xie-spring-srv6-npi-for-overlay)

2022-03-16 Thread Xiejingrong (Jingrong)
[mailto:etm...@gmail.com] Sent: Tuesday, March 15, 2022 9:02 PM To: Andrew Alston - IETF Cc: Xiejingrong (Jingrong) ; Gyan Mishra ; Andrew Alston - IETF ; spring@ietf.org; Tom Hill Subject: Re: [spring] Network Programming Interface for Provisioning of Underlay Services to Overlay Networks Us

Re: [spring] Network Programming Interface for Provisioning of Underlay Services to Overlay Networks Using SRv6 (draft-xie-spring-srv6-npi-for-overlay)

2022-03-14 Thread Xiejingrong (Jingrong)
nt the NPI. Regards, Jingrong From: Gyan Mishra [mailto:hayabusa...@gmail.com] Sent: Sunday, March 13, 2022 8:26 AM To: Andrew Alston - IETF Cc: Tom Hill ; Xiejingrong (Jingrong) ; spring@ietf.org Subject: Re: [spring] Network Programming Interface for Provisioning of Underlay Services to Overlay

Re: [spring] Network Programming Interface for Provisioning of Underlay Services to Overlay Networks Using SRv6 (draft-xie-spring-srv6-npi-for-overlay)

2022-03-09 Thread Xiejingrong (Jingrong)
rch 9, 2022 10:43 PM To: spring@ietf.org Subject: Re: [spring] Network Programming Interface for Provisioning of Underlay Services to Overlay Networks Using SRv6 (draft-xie-spring-srv6-npi-for-overlay) Hi Jinrong, On 08/03/2022 01:58, Xiejingrong (Jingrong) wrote: > I just posted a draft that speci

[spring] Network Programming Interface for Provisioning of Underlay Services to Overlay Networks Using SRv6 (draft-xie-spring-srv6-npi-for-overlay)

2022-03-07 Thread Xiejingrong (Jingrong)
Hi, I just posted a draft that specifies a framework and some more detail of the idea for provisioning of underlay services (Slice/SR-policy/Mcast/etc) to overlay networks(SD-WAN/CDN/etc), using SRv6. https://datatracker.ietf.org/doc/html/draft-xie-spring-srv6-npi-for-overlay Please comm

Re: [spring] WG Adoption call for https://datatracker.ietf.org/doc/draft-filsfilscheng-spring-srv6-srh-compression/

2021-10-09 Thread Xiejingrong (Jingrong)
Hi WG, I have read the polling draft. I think it provides a valid solution for SRv6 SID list compression in a simple way Compatible with SRH 8754 and SRv6 PGM 8986, and thus I support the adoption. Thanks Jingrong From: spring [mailto:spring-boun...@ietf.org] On Behalf Of James Guichard Sent:

Re: [spring] WG Adoption call - draft-srcompdt-spring-compression-requirement - draft-srcompdt-spring-compression-analysis

2021-09-10 Thread Xiejingrong (Jingrong)
rk of the authors and the working group. Thanks Jingrong From: spring [mailto:spring-boun...@ietf.org] On Behalf Of Xiejingrong (Jingrong) Sent: Friday, September 10, 2021 3:42 PM To: bruno.decra...@orange.com; spring@ietf.org Subject: Re: [spring] WG Adoption call - draft-srcompdt-spring-compre

Re: [spring] WG Adoption call - draft-srcompdt-spring-compression-requirement - draft-srcompdt-spring-compression-analysis

2021-09-10 Thread Xiejingrong (Jingrong)
Hi WG, I support the WG adoption of the two documents ! Thanks Jingrong From: spring [mailto:spring-boun...@ietf.org] On Behalf Of bruno.decra...@orange.com Sent: Tuesday, September 7, 2021 9:13 PM To: spring@ietf.org Subject: [spring] WG Adoption call - draft-srcompdt-spring-compression-requi

Re: [spring] WG Adoption Call for https://tools.ietf.org/html/draft-gandhi-spring-twamp-srpm-11

2020-11-01 Thread Xiejingrong (Jingrong)
Hi working-group: I support the adoption, and I have the following questions: 1. Section 4.1.4.2 and 4.2.2.2 depict the packet format with word "as needed" for inner IP Header. Can authors please clarify in which case(s) it is needed and in which it is not. 2. Section 4.3.1 "Destination ipv6 a

Re: [spring] Erik Kline's Discuss on draft-ietf-spring-srv6-network-programming-20: (with DISCUSS and COMMENT)

2020-09-28 Thread Xiejingrong (Jingrong)
Hi, I have some comments inline below marked with [XJR]. Thanks Jingrong -Original Message- From: spring [mailto:spring-boun...@ietf.org] On Behalf Of Pablo Camarillo (pcamaril) Sent: Saturday, September 26, 2020 2:30 AM To: Erik Kline ; The IESG Cc: Bruno Decraene ; spring@ietf.org; J

Re: [spring] Benjamin Kaduk's Discuss on draft-ietf-spring-srv6-network-programming-20: (with DISCUSS and COMMENT)

2020-09-28 Thread Xiejingrong (Jingrong)
Hi, I have some comments inline below marked with [XJR]. Thanks Jingrong -Original Message- From: spring [mailto:spring-boun...@ietf.org] On Behalf Of Pablo Camarillo (pcamaril) Sent: Saturday, September 26, 2020 2:32 AM To: Benjamin Kaduk ; The IESG Cc: Bruno Decraene ; spring@ietf.org;

Re: [spring] Understanding the replication draft

2020-07-17 Thread Xiejingrong (Jingrong)
[mailto:risha...@gmail.com] Sent: Friday, July 17, 2020 12:42 AM To: Xiejingrong (Jingrong) Cc: spring@ietf.org; p...@ietf.org Subject: Re: [spring] Understanding the replication draft Jingrong, Your understanding is essentially correct. Think of a Replication function at a node represented by the function

Re: [spring] Understanding the replication draft

2020-07-16 Thread Xiejingrong (Jingrong)
=R7_RepSID) (C-multicast pkt) Is that correct ? Thanks Jingrong From: Rishabh Parekh [mailto:risha...@gmail.com] Sent: Thursday, July 16, 2020 4:46 AM To: Xiejingrong (Jingrong) Cc: Jeff Tantsura ; Dhruv Dhody ; bruno.decra...@orange.com; spring@ietf.org; Alexander Vainshtein Subject: Re

Re: [spring] WG Adoption Call for draft-raza-spring-sr-policy-yang

2020-07-15 Thread Xiejingrong (Jingrong)
Basic building block of SR technology for inter-op between routers and NMS. I do support the adoption. Thanks Jingrong Xie From: spring [mailto:spring-boun...@ietf.org] On Behalf Of James Guichard Sent: Monday, July 13, 2020 11:38 PM To: spring@ietf.org Cc: spring-cha...@ietf.org Subject: [spring

Re: [spring] WG Adoption Call for draft-raza-spring-srv6-yang

2020-07-15 Thread Xiejingrong (Jingrong)
Basic building block of SRv6 technology for inter-op between routers and NMS. I do support the adoption. Thanks Jingrong Xie From: spring [mailto:spring-boun...@ietf.org] On Behalf Of James Guichard Sent: Tuesday, July 14, 2020 5:52 AM To: spring@ietf.org Cc: spring-cha...@ietf.org Subject: [spri

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-15 Thread Xiejingrong (Jingrong)
Very useful use case for Segment routing technology, and very well written document. I do support the WG adoption of this draft. Thanks Jingrong Xie From: spring [mailto:spring-boun...@ietf.org] On Behalf Of James Guichard Sent: Wednesday, July 15, 2020 7:17 PM To: spring@ietf.org Cc: spring-cha

Re: [spring] Understanding the replication draft

2020-07-14 Thread Xiejingrong (Jingrong)
cover SRv6 as well, but if it does, then I would like to see the same level of consideration as SR-MPLS. Thanks, Jingrong From: Rishabh Parekh [mailto:risha...@gmail.com] Sent: Wednesday, July 15, 2020 4:25 AM To: Xiejingrong (Jingrong) Cc: Jeff Tantsura ; Dhruv Dhody ; bruno.decra...@orange.com

Re: [spring] Understanding the replication draft

2020-07-14 Thread Xiejingrong (Jingrong)
Hi The rev-04 says “The Replication SID MUST be the last SID (at the bottom of stack for SR-MPLS) in a packet that is steered out from a Replication node of a Replication Segment.”. I feel a little hard to understand …… My question is: Can an “MPLS packet” be carried over the P2MP policy ? say

Re: [spring] About the upper layer header processing in RFC8754(SRH)

2020-06-15 Thread Xiejingrong (Jingrong)
Bonica [mailto:rbon...@juniper.net] Sent: Monday, June 15, 2020 9:54 PM To: Xiejingrong (Jingrong) ; Aijun Wang ; i...@ietf.org; spring@ietf.org Subject: RE: About the upper layer header processing in RFC8754(SRH) Aijun, Jingrong, Could the upper-layer header also be ICMP, as in a ICMP Echo

[spring] Proposed text for discussion//RE: About the upper layer header processing in RFC8754(SRH)

2020-06-15 Thread Xiejingrong (Jingrong)
layer header. } End of the proposed text Your thoughts? Thanks Jingrong From: ipv6 [mailto:ipv6-boun...@ietf.org] On Behalf Of Xiejingrong (Jingrong) Sent: Monday, June 15, 2020 10:29 AM To: Aijun Wang ; i...@ietf.org; spring@ietf.org Subject: RE: About the upper layer

Re: [spring] About the upper layer header processing in RFC8754(SRH)

2020-06-14 Thread Xiejingrong (Jingrong)
Hi Aijun, Very good catch! I think the 4.3.1.2 need to be updated ! I would like to propose some text (maybe later today) for RFC8754 4.3.1.2, as well as some other text in SRv6-PGM section 4.1 (and some related sections) I have observed about the Upper-layer processing for further discussion.

Re: [spring] How CRH support SFC/Segment Endpoint option?

2020-05-25 Thread Xiejingrong (Jingrong)
Hi Robert, "What … would happen … if there is no Routing Header at all and I still modify DA at each segment endpoint" Good question. I saw no less than 2 existing drafts and no less than 2 potential proposals with this behavior, and IMO they are all reasonable. Or reading the RFC8200 verba

[spring] IPv6 DOH order facts and thoughts//RE: How CRH support SFC/Segment Endpoint option?

2020-05-25 Thread Xiejingrong (Jingrong)
Hi ! Let me jump to this topic, and tell a fact first: Most design examples of DOH in RFCs so far do NOT follow the “recommended order” of RFC1883/2460/8200. EXAMPLE1: RFC3775/3776/4584/6275 requires DOH carrying a specific option is located after RH and before Fragmentation/AH/ESP (copied from

Re: [spring] WGLC - draft-ietf-spring-srv6-network-programming

2020-03-04 Thread Xiejingrong (Jingrong)
Joel Halpern Direct [mailto:jmh.dir...@joelhalpern.com] Sent: Wednesday, March 4, 2020 9:39 PM To: Xiejingrong (Jingrong) ; spring@ietf.org Subject: Re: [spring] WGLC - draft-ietf-spring-srv6-network-programming Jingrong, the only "processing" of the SRH required in the ultimate node i

Re: [spring] WGLC - draft-ietf-spring-srv6-network-programming

2020-03-04 Thread Xiejingrong (Jingrong)
Hi Joel, Ketan, Let me share my points about the statement "The SRH removal does not remove the expensive part of the work, namely the need to decapsulate and process the inner header." For the ultimate segment endpoint that is well capable of processing SRH, the statement is true I think. I gue

Re: [spring] WGLC - draft-ietf-spring-srv6-network-programming

2020-03-04 Thread Xiejingrong (Jingrong)
Hi WG, What I can see is that the version 11 diffs are just borrowed from the initial text I proposed on the mailing list days before. https://mailarchive.ietf.org/arch/msg/spring/nZwDUSpsVxTN_3UO0VLE9_2Eo5s/ These changes were editorial in nature and did not change anything of the behavior. Ev

Re: [spring] Suggest some text //RE: Request to close the LC and move forward//RE: WGLC - draft-ietf-spring-srv6-network-programming

2020-03-02 Thread Xiejingrong (Jingrong)
the SID processing, copies the last SID from the SRH into the IPv6 Destination Address and decrements Segments Left value from one to zero. Thanks Jingrong From: Gyan Mishra [mailto:hayabusa...@gmail.com] Sent: Tuesday, March 3, 2020 12:52 PM To: Xiejingrong (Jingrong) Cc: 6...@ietf.org; Bob

Re: [spring] Suggest some text //RE: Request to close the LC and move forward//RE: WGLC - draft-ietf-spring-srv6-network-programming

2020-03-01 Thread Xiejingrong (Jingrong)
any packet with Next Header value other than 4/41/47/etc. It may send such packet with any routing header to its slow-path for the compliance but lose the necessary performance. Thanks Jingrong From: Gyan Mishra [mailto:hayabusa...@gmail.com] Sent: Monday, March 2, 2020 4:20 AM To: Xiejingrong

Re: [spring] Suggest some text //RE: Request to close the LC and move forward//RE: WGLC - draft-ietf-spring-srv6-network-programming

2020-03-01 Thread Xiejingrong (Jingrong)
Cheers! Jingrong From: Wang, Weibin (NSB - CN/Shanghai) [mailto:weibin.w...@nokia-sbell.com] Sent: Sunday, March 1, 2020 4:53 PM To: Xiejingrong (Jingrong) Cc: spring@ietf.org; 6...@ietf.org Subject: RE: [spring] Suggest some text //RE: Request to close the LC and move forward//RE: WGLC - draft

Re: [spring] Suggest some text //RE: Request to close the LC and move forward//RE: WGLC - draft-ietf-spring-srv6-network-programming

2020-03-01 Thread Xiejingrong (Jingrong)
SRH is deleted: (SA=VM, DA=subscriber) (payload). Thanks Jingrong From: Wang, Weibin (NSB - CN/Shanghai) [mailto:weibin.w...@nokia-sbell.com] Sent: Sunday, March 1, 2020 4:01 PM To: Xiejingrong (Jingrong) Cc: spring@ietf.org; 6...@ietf.org Subject: RE: [spring] Suggest some text //RE: Request to

Re: [spring] Suggest some text //RE: Request to close the LC and move forward//RE: WGLC - draft-ietf-spring-srv6-network-programming

2020-02-29 Thread Xiejingrong (Jingrong)
the SRH S14.4. Remove the SRH from the IPv6 extension header chain S14.5. } Many thx, R. On Sat, Feb 29, 2020 at 2:28 AM 神明達哉 mailto:jin...@wide.ad.jp>> wrote: At Fri, 28 Feb 2020 07:54:28 +, "Xiejingrong (Jingrong)" mailto:xiejingr...@huawei..com>> wrote: >

Re: [spring] Suggest some text //RE: Request to close the LC and move forward//RE: WGLC - draft-ietf-spring-srv6-network-programming

2020-02-29 Thread Xiejingrong (Jingrong)
e SRH S14.3. Decrease the IPv6 header Payload Length by the Hdr Ext Len value of the SRH S14.4. Remove the SRH from the IPv6 extension header chain S14.5. } Many thx, R. On Sat, Feb 29, 2020 at 2:28 AM 神明達哉 mailto:jin...@wide.ad.jp>> wrote: At Fri, 28 Feb 2

Re: [spring] Suggest some text //RE: Request to close the LC and move forward//RE: WGLC - draft-ietf-spring-srv6-network-programming

2020-02-28 Thread Xiejingrong (Jingrong)
Got it. Thanks for your clarification of your point. Jingrong -Original Message- From: 神明達哉 [mailto:jin...@wide.ad.jp] Sent: Saturday, February 29, 2020 9:28 AM To: Xiejingrong (Jingrong) Cc: Ted Lemon ; Pablo Camarillo (pcamaril) ; Brian E Carpenter ; Bob Hinden ; Joel M. Halpern

Re: [spring] Suggest some text //RE: Request to close the LC and move forward//RE: WGLC - draft-ietf-spring-srv6-network-programming

2020-02-28 Thread Xiejingrong (Jingrong)
d of engineering problems for deployment, and that's why I think once that is not necessary it should not be recommended. Thanks Jingrong -Original Message- From: Bob Hinden [mailto:bob.hin...@gmail.com] Sent: Saturday, February 29, 2020 6:52 AM To: Brian Carpenter Cc: Bob Hinden ;

[spring] Suggest some text //RE: Request to close the LC and move forward//RE: WGLC - draft-ietf-spring-srv6-network-programming

2020-02-27 Thread Xiejingrong (Jingrong)
Hi Thanks Ted for the constructive suggestions, which remind me to try to understand the questions. Here are the questions I think give the clear suggestions for LC. Brian: So could the draft make this explicit, because I guarantee you it is not in the least obvious to the non-expert reader?

Re: [spring] Request to close the LC and move forward//RE: WGLC - draft-ietf-spring-srv6-network-programming

2020-02-27 Thread Xiejingrong (Jingrong)
However, the PSP behavour doesn't even fit in that fictional interpretation of RFC8200. What PSP does is that, given: B - C routers, when B realizes, after processing the SRH and setting the Dest Addr to the last segment, SegmentsLeft==0, it removes the SRH. This case is not eve

Re: [spring] Is srv6 PSP a good idea

2020-02-26 Thread Xiejingrong (Jingrong)
Hi Mark, I think both AH and PSP are optional. If AH is desired to deploy, then the operator can choose not to use PSP. If AH is not deployed, and the operator has its requirements of incremental-deployment, then the operator can choose to use PSP. If the already deployed PSP is removed from the d

Re: [spring] draft-ietf-spring-srv6-network-programming - 2 week Early Allocation Call

2020-01-02 Thread Xiejingrong (Jingrong)
Support. thanks, Jingrong From:bruno.decraene To:SPRING WG Date:2019-12-20 00:54:44 Subject:[spring] draft-ietf-spring-srv6-network-programming - 2 week Early Allocation Call Hi SPRING WG, This begins a 2 week Early Allocation call for a “Ethernet” value from the "Protocol Numbers" regis

Re: [spring] Is srv6 PSP a good idea

2019-12-14 Thread Xiejingrong (Jingrong)
significant increase in complexity on the device performing PSP? The question I am trying to get at is about the tradeoff, which needs one to evaluate both sides. Yours, Joel On 12/10/2019 11:13 PM, Xiejingrong (Jingrong) wrote: > I think it's a good idea. > Nothing new, but benefits

Re: [spring] Is srv6 PSP a good idea

2019-12-10 Thread Xiejingrong (Jingrong)
I think it's a good idea. Nothing new, but benefits that people have already said seems notable to me. (1) reduce the load of final destination. This benefit can be notable for the following sub reasons. (1.1) final destination tends to have heavy load. It need to handle all the EHs and do the d

Re: [spring] SRH scratch space (was Re: Question about SRv6 Insert function)

2019-12-10 Thread Xiejingrong (Jingrong)
Thanks Bob for sharing your opinion. I fully agree with that, and I either don’t have any problem if an intermediate node decides to parse extension headers and modified one based on the definition of the specific EH. Regards, Jingrong -Original Message- From: ipv6 [mailto:ipv6-boun...@

Re: [spring] WGLC - draft-ietf-spring-srv6-network-programming

2019-12-10 Thread Xiejingrong (Jingrong)
+1 Kindly remind that, there are ‘final destination’ wording 5 times in RFC8200. The 8200 is aware of difference of ‘destination’ and ‘final destination’. Line 375: note 3: for options to be processed only by the final destination Line 443:packet's final destination.

[spring] draft-voyer-spring-sr-replication-segment-00 //RE: draft-voyer-spring-sr-p2mp-policy-03

2019-11-14 Thread Xiejingrong (Jingrong)
Hi Bruno, I read the updated draft, draft-voyer-spring-sr-replication-segment-00, and feel it is not your suggested direction, but the opposite one. You suggested "Re-use the existing SR-policy framework as much as possible" But the updated document does not re-use the existing SR-policy. Inste

Re: [spring] Request for WG adoption of draft-dong-spring-sr-for-enhanced-vpn-05

2019-10-21 Thread Xiejingrong (Jingrong)
I support the adoption of this document. It is well-written, and I think it is very timely and useful, as the SR being widely developed and the requirements for enhanced VPN services being strong. Thanks Jingrong -Original Message- From: spring [mailto:spring-boun...@ietf.org] On Behalf

Re: [spring] [Idr] Adoption: draft-li-idr-bgp-ls-sr-policy-path-segment-03.txt and draft-li-sr-policy-path-segment-01.txt - 1 week extension [10/14 to 10/21/2019]

2019-10-15 Thread Xiejingrong
Hi I support adoption of the two drafts. Path Segment is a simple and useful identifier of a Path in SR-MPLS technology, and the use of BGP-SRPolicy and BGP-LS for the management of Path Segment is proper to me. 1) Should this SR Policy technology be included in BGP for SR-MPLS Yes. 2)

Re: [spring] draft-ietf-spring-srv6-network-programming: NH=59 action item closure

2019-09-17 Thread Xiejingrong
ntics previously established between the source and destination." Thanks Jingrong -Original Message- From: Pablo Camarillo (pcamaril) [mailto:pcama...@cisco.com] Sent: Tuesday, September 17, 2019 3:44 AM To: Xiejingrong ; Joel M. Halpern ; SPRING WG Cc: 6...@ietf.org Subject: Re: [spr

Re: [spring] draft-ietf-spring-srv6-network-programming: NH=59 action item closure

2019-09-13 Thread Xiejingrong
I agree with Joel, and strongly opposed to the proposal text ! "The value TBD in the Next Header field of an IPv6 header or any extension header indicates that the payload content is identified via the segment identifier in the IPv6 Destination Address." It is a hole digging to exclude other po

Re: [spring] Beyond SRv6.

2019-09-13 Thread Xiejingrong
Hi Brian and Robert, So it really makes much more sense to encode everything in the same EH rather than scatter them around. [xjr1] I agree with Robert 100%. so header formats should be rigid enough that conditional or linked-list processing can be largely avoided. [xjr2] Sorry Brian,

Re: [spring] Beyond SRv6.

2019-09-11 Thread Xiejingrong
+1 I think the need to ‘walk through the EH chain’ in fast-path is difficult, for the last 2 decades, and will for the near future I guess. The SRv6 is very careful not to ‘walk through the EH chain’. Instead it just ‘handle the least leading header(s)’, with a preceding ‘FIB lookup’ indication,

Re: [spring] Regaining Focus on SRv6 and SRv6+

2019-09-07 Thread Xiejingrong
the CHG bit is meaningful of hop-by-hop options, but is totally meaningless for Destination options. CHG is meaningful for both. Also I think the use of unique last-5bits of option is just a week recommendation. There is still enough space of 8bit if needed. It's not necessary to change interp

Re: [spring] Regaining Focus on SRv6 and SRv6+

2019-09-07 Thread Xiejingrong
+1. I didn't see the possibility of handling packets with EH in fast path without the indication of SRv6 SID in the preceding FIB lookup. This is uniquely introduced in SRH and SRv6 networking programming draft. The only 'problem' rising on the list, the V6 TI LFA, has been uniquely considered

Re: [spring] Question about IPv6 EH-insertion in draft-ietf-spring-srv6-network-programming

2019-09-07 Thread Xiejingrong
I am happy to see the converging, and I agree with both Robert and Gernando. The problem that an EH-insertion want to solve can also be solved by using an extra encap/decap, which is obviously compliant. The more bytes used by extra encap/decap may be the tax we have to pay for using IPv6! The

Re: [spring] draft-voyer-spring-sr-p2mp-policy-03

2019-08-01 Thread Xiejingrong
Completely agree with Bruno. I have raised similar comments on the list 3 weeks ago. (1) To let an SR Replication policy be a variant of an SR policy, SR-policy framework should be inherited as much as possible. (2) Building of a tree is really outside the scope of the group. (3) I

Re: [spring] Comments on

2019-07-18 Thread Xiejingrong
Hi, Please see my comments inline below: From: Zafar Ali (zali) [z...@cisco.com] Sent: Wednesday, July 17, 2019 8:48 To: Xiejingrong; 6...@ietf.org Cc: Zafar Ali (zali); spring@ietf.org Subject: Re: Comments on Hi Xiejingrong, Many thanks for your comments

[spring] Comments on

2019-07-09 Thread Xiejingrong
Hi, I remember there had been lots of discussions on the list about two points, One is the definition of ENH, the other is the use of Next Header 59. Seems like this rev doesn't accept any of them, but make them clear in text.. They work for me. But one point I am even more confused: The SRv6

[spring] Comments on draft-voyer-spring-sr-p2mp-policy-03

2019-07-09 Thread Xiejingrong
Hi, I have a few comments on draft-voyer-spring-sr-p2mp-policy-03: A Point-to-Multipoint service delivery could be via Ingress Replication (aka Spray in some SR context), i.e., the root unicasts individual copies of traffic to each leaf. The corresponding P2MP segment consists of repl

Re: [spring] SRv6 Network Programming: ENH = 59

2019-05-05 Thread Xiejingrong
Hi Tom, Number 97 is a choice but it has 2 bytes wasting. Jingrong From: ipv6 [mailto:ipv6-boun...@ietf.org] On Behalf Of Tom Herbert Sent: Monday, May 06, 2019 9:11 AM To: Ron Bonica Cc: SPRING WG ; 6man Subject: Re: SRv6 Network Programming: ENH = 59 On Sun, May 5, 2019, 5:47 PM Ron Bonica

[spring] Section 4.3.1.2. Upper-layer Header or No Next Header of

2019-04-15 Thread Xiejingrong
Hello authors, Section 4.3.1.2. Upper-layer Header or No Next Header of doesn't include the No Next Header case ? The SRv6-Network-programming relies heavily on the No-next-header in SRv6-L2VPN cases. Thanks Jingrong ___ spring mailing list spring

Re: [spring] Working Group Adoption Call for draft-filsfils-spring-srv6-network-programming

2019-03-13 Thread Xiejingrong
I Support the adoption but I also have a comment. The Next Header value 59 used in SRv6-L2VPN scenario should be a new value applied from IANA officially. Please find in the WG mail list my comment yesterday. Thanks Jingrong From: spring [mailto:spring-boun...@ietf.org] On Behalf Of bruno.decra.

[spring] One comment on

2019-03-12 Thread Xiejingrong
Dear authors of : Thanks for introducing this great concept about how to develop the 128-bit IPv6 address. One comment/question: Next header value 59 is used when an Ethernet-packet is as the IPv6 payload in SRv6-L2VPN scenario. It is confusing, because 59 is generally used to indicate that the

Re: [spring] Updating the SPRING WG Charter

2018-06-03 Thread Xiejingrong
Hi Bob, Will SPRING consider multicast/BIER being included ? These are some reasons I am thinking about: (1) multicast/multipoint-transfer is always a requirement for internet service, and is always requiring some unicast technology as a precursor. (2) there is already a similar WG BIER to consi

[spring] FW: New Version Notification for draft-xie-bier-6man-encapsulation-00.txt

2018-04-28 Thread Xiejingrong
-Original Message- From: internet-dra...@ietf.org [mailto:internet-dra...@ietf.org] Sent: Saturday, April 28, 2018 4:21 PM To: Xiejingrong ; Xiayang (Yolanda) ; Mike McBride ; Yangang Subject: New Version Notification for draft-xie-bier-6man-encapsulation-00.txt A new version of I-D