Dear IPPM WG RE: Progressing draft-song-ippm-postcard-based-telemetry-15
I would like to provide some important feedback related to the draft and the critically of this draft to the industry at large especially with 5G MNOs and future soon to be 6G and UPF F1 interface network slicing and IPPM telemetry for Flex Algo latency constraint for ultra low latency path for MEC services and end to end ultra low latency path instantiation. My POV as well as others whom I have discussed the draft in and outside the WG is that in order to make PBT viable and useful to operators to deploy, the changes and improvements described in this draft are very important and not just to the IPPM WG but to the industry at large namely for deployments of Segment Routing both SR-MPLS and SRv6 and viability of IOAM in-situ telemetry. This is a huge issue today and PBT RFC 9326 is an attempt to solve the issues with telemetry with Segment Routing but unfortunately that is not enough and now with this draft, PBT based telemetry with Segment Routing can finally come to fruition for all operators around the world wanting to deploy Segment Routing. I think with SR both SR-MPLS and SRv6 MSD and SR-MPLS Maximum readable label depth issues and MPLS MNA extensibility discussed in the MPLS Open DT meetings are important issues and considerations and with IOAM data with DEX PBT solution can possibly resolves the issue with the export with zero in-situ overhead philosophy and is a fabulous attempt but with a major hitch. To make RFC 9326 viable out the gate for any operators to implement, we really need the changes and updates to RFC 9326 described in this draft to be progressed. This draft should be and I think the authors of this draft as well as the authors of RFC 9326 would as well agree that this draft should be Standards Track and update the base specification RFC 9326 for PBT. I believe that would be the best path forward for the WG. All comments are welcome on this important topic. Many Thanks Gyan -- <http://www.verizon.com/> *Gyan Mishra* *Network Solutions A**rchitect * *Email gyan.s.mis...@verizon.com <gyan.s.mis...@verizon.com>* *M 301 502-1347*
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