Adding other authors: @Akhil Shashidhar <[email protected]> @Qing Yang <[email protected]>
On Sun, Oct 18, 2026 at 2:36 PM Anand Narayanan <[email protected]> wrote: > Hi BESS Working Group: > > We have published a new Internet-Draft titled "Extended IP mobility > procedures for EVPN-IRB" to address control plane churn limitations > observed in dense EVPN overlay scenarios. > > - Link: > > https://datatracker.ietf.org/doc/draft-anarayanan-bess-evpn-extended-ip-mobility/ > - Abstract: This document addresses control plane churn caused by > coupling IP and MAC mobility sequence numbers in RFC 9721, proposing > separated sequence number spaces to reduce BGP updates from O(N) to O(1) > while maintaining compatibility and providing an upgrade path. > > The draft relaxes sequence number inheritance constraints to significantly > cut down routing update overhead during migrations while preserving > behavioral determinism and offering a smooth migration path from legacy RFC > 7432 deployments, particularly when multiple IPs are associated with the > same MAC address. > > We appreciate your review and thorough feedback. > > Best > Anand Narayanan, Akhil Shasidhar, and Qing Yang >
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