Re: [spring] WG adoption call - draft-hu-spring-segment-routing-proxy-forwarding

Hi Shraddha: Thanks for your comments, Please see inline. Thanks Zhibo Hu From: spring [mailto:spring-boun...@ietf.org] On Behalf Of Shraddha Hegde Sent: Thursday, January 27, 2022 3:15 PM To: bruno.decra...@orange.com; SPRING WG Subject: Re: [spring] WG adoption call - draft-hu-spring-

Re: [spring] WG adoption call - draft-hu-spring-segment-routing-proxy-forwarding

Hi, [SLI] Your statement is purely theoretical and life in real networks is not theoretical. You cannot predict which router will converge first (routers may have different CPUs, may have different tasks to execute.). B may converge first maybe, but maybe it will be C or D. no one knows and it'

Re: [spring] [ippm] Active OAM in SRv6

Hi Gyan, Thank you for your comments! Please see inline for response marked with [HS] Best, Haoyu From: Gyan Mishra Sent: Wednesday, January 26, 2022 9:03 PM To: Tianran Zhou Cc: Greg Mirsky ; Haoyu Song ; IETF IPPM WG ; spring@ietf.org Subject: Re: [ippm] [spring] Active OAM in SRv6 Hi Haoy

Re: [spring] [ippm] Active OAM in SRv6

Hi Tianran, We didn't invent any new protocol but to simply use UDP for the probing packets in SRv6. What we want to avoid is SRH TLV in EH which can significantly increase the EH overhead because the data needed to be carried may be too large. Also, since IOAM options have been well defined, it

Re: [spring] Active OAM in SRv6

Hi Greg, Thank you for your questions. Please see inline response. Best, Haoyu From: Greg Mirsky Sent: Wednesday, January 26, 2022 3:01 PM To: Haoyu Song Cc: spring@ietf.org; IETF IPPM WG Subject: Re: [spring] Active OAM in SRv6 Hi Haoyu, thank you for bringing the topic of Active OAM to the

Re: [spring] WG adoption call - draft-hu-spring-segment-routing-proxy-forwarding

Hi Shraddha, Thank you for your comments. I remember that I talked to you face to face in IETF meeting and suggested merging your draft and our draft a long time ago before your draft is adopted. You said it would be ok to have the two drafts in WG. In addition, I sent you an email to ask

Re: [spring] Active OAM in SRv6

Hi Haoyu, thank you for your detailed reply. Please find my follow-up notes in-lined below under the GIM2>> tag. Regards, Greg On Thu, Jan 27, 2022 at 11:00 AM Haoyu Song wrote: > Hi Greg, > > > > Thank you for your questions. Please see inline response. > > > > Best, > > Haoyu > > > > *From:*

Re: [spring] WG adoption call - draft-hu-spring-segment-routing-proxy-forwarding

Hi Stephane, Thank you for your comments. [SLI2] To get FRR working, no choice, all the nodes must support the extension. ... [HC]: When some nodes (not all) support the extension, FRR may work for some failures. Best Regards, Huaimo From: spring on be

Re: [spring] [ippm] Active OAM in SRv6

Hi Haoyu, I agree with Greg. I think IOAM with existing OAM protocol can address your case. Again, I can show you some more details on your motivation. (1) it’s session-less and we don’t need assign any roles (e.g., reflector); ZTR> I am not sure if I understand what the “session-less” mean. But

Re: [spring] [ippm] Active OAM in SRv6

Hi Haoyu, I do not understand why the UDP encapsulation is better than SRH TLV. IMO, IOAM is already too complex, some more work on TLV parsing is not critical. If you care about the data length "because the data needed to be carried may be too large", what's the limit on SRH TLV? What's your use

Re: [spring] Active OAM in SRv6

Hi Greg, please see Inline From: Greg Mirsky Sent: Thursday, January 27, 2022 2:01 PM To: Haoyu Song Cc: spring@ietf.org; IETF IPPM WG Subject: Re: [spring] Active OAM in SRv6 Hi Haoyu, thank you for your detailed reply. Please find my follow-up notes in-lined below under the GIM2>> tag. Reg

Re: [spring] WG adoption call - draft-hu-spring-segment-routing-proxy-forwarding

From: slitkows.i...@gmail.com [mailto:slitkows.i...@gmail.com] Sent: Friday, January 28, 2022 1:41 AM To: Huzhibo ; bruno.decra...@orange.com; 'SPRING WG' Subject: RE: [spring] WG adoption call - draft-hu-spring-segment-routing-proxy-forwarding Hi, [SLI] Your statement is purely theoretical

Re: [spring] [ippm] Active OAM in SRv6

Hi Tianran, The use case I target is to generate probing packets to collect node/link data on arbitrary path. We have algorithms to generate such packets on a few path to cover the entire network (reference is given in the draft). If we periodically do such measurements, we can gain the visibi

Re: [spring] Active OAM in SRv6

Hi Haoyu, now, without in-lining my notes. It appears that you propose not to use draft-ietf-ippm-ioam-ipv6-options . Thus, your proposal cannot be referred to as IOAM in SRv6. At best, it is IOAM-inspired, IOAMish. As a result, a

Re: [spring] WG adoption call - draft-hu-spring-segment-routing-proxy-forwarding

Huzhibo, Pls see inline for replies.. Juniper Business Use Only From: Huzhibo Sent: Thursday, January 27, 2022 2:59 PM To: Shraddha Hegde ; bruno.decra...@orange.com; SPRING WG Subject: RE: WG adoption call - draft-hu-spring-segment-routing-proxy-forwarding [External Email. Be cautious of c

Re: [spring] WG adoption call - draft-hu-spring-segment-routing-proxy-forwarding

Huaimo, Juniper Business Use Only From: Huaimo Chen Sent: Friday, January 28, 2022 2:39 AM To: Shraddha Hegde ; bruno.decra...@orange.com; SPRING WG Subject: Re: WG adoption call - draft-hu-spring-segment-routing-proxy-forwarding [External Email. Be cautious of content] Hi Shraddha, Th

Re: [spring] WG adoption call - draft-hu-spring-segment-routing-proxy-forwarding

Shraddha, Pls see inline for replies. From: Shraddha Hegde [mailto:shraddha=40juniper@dmarc.ietf.org] Sent: Friday, January 28, 2022 12:20 PM To: Huzhibo ; bruno.decra...@orange.com; SPRING WG Subject: RE: WG adoption call - draft-hu-spring-segment-routing-proxy-forwarding Huzhibo, Pls s