Hi Tianran, Thanks for sharing. A fundamental difference is either carrying the monitoring header in EH or in UDP payload. I think the latter is more extensible and it doesn’t have the compatibility issue therefore the deployment is easier. The HBH or per-segment monitoring in SRv6 is important but missing today. I beleive we need a generic mechanism to support them, so we can collect more requirements and use cases to extend the draft.
Best, Haoyu From: Tianran Zhou <[email protected]> Sent: Tuesday, July 6, 2021 6:48 PM To: Haoyu Song <[email protected]>; [email protected]; [email protected] Subject: RE: Request for adoption https://datatracker.ietf.org/doc/html/draft-song-spring-siam-01 “SRv6 In-situ Active Measurement” Hi Haoyu, Thanks for sharing your proposal. I definitely have interest about this work. We have a similar proposal which extends the STAMP. https://datatracker.ietf.org/doc/draft-wang-ippm-stamp-hbh-extensions/<https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fdraft-wang-ippm-stamp-hbh-extensions%2F&data=04%7C01%7Chaoyu.song%40futurewei.com%7Ce71e491aad3a4378aa5708d940e94c78%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637612193042616329%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=0mKRgMw7Kn%2B3mGJabO2zPPcvxaDnR2SJTJKSrLSjs%2B4%3D&reserved=0> It would be great if we can put the use cases, requirements, potential solutions in a plate, and have comprehensive discussions on this.. Best, Tianran From: spring [mailto:[email protected]] On Behalf Of Haoyu Song Sent: Wednesday, July 7, 2021 3:40 AM To: [email protected]<mailto:[email protected]>; [email protected]<mailto:[email protected]> Subject: [spring] Request for adoption https://datatracker.ietf.org/doc/html/draft-song-spring-siam-01 “SRv6 In-situ Active Measurement” SPRING WG, As the draft “draft-ietf-spring-stamp-srpm-01” has been adopted, I also ask the WG to consider the following related draft: https://datatracker.ietf.org/doc/html/draft-song-spring-siam-01<https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fhtml%2Fdraft-song-spring-siam-01&data=04%7C01%7Chaoyu.song%40futurewei.com%7Ce71e491aad3a4378aa5708d940e94c78%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637612193042616329%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=Ln8TLJpLN%2BV2uJc0yBncqoGNjt1%2BJ7GJdIBXn0DKxUM%3D&reserved=0> “SRv6 In-situ Active Measurement” We have presented this draft in the last meeting but we didn’t have much time to discuss it yet. In essence, it proposes to carry IOAM in SR+UDP as well while using a flag bit in SRH to indicate the presence of the IOAM payload. It achieves IOAM’s functionality but avoids the encapsulation issues. It doesn’t need to maintain sessions and it can monitor all the segment noes on an SR path. I would also like to ask for feedbacks from the WG and request the adoption. Thanks for consideration. Best regards, Haoyu
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