Xiao, Scanning through the draft, two questions:
1. What is the underlying mechanism to check liveness such that Demand can be used? https://tools.ietf.org/html/rfc5880#section-6.6 Demand mode requires that some other mechanism is used to imply continuing connectivity between the two systems. The mechanism used 2. Is this draft testing liveness of a path or a node? https://tools.ietf.org/html/draft-mirsky-bfd-mpls-demand-03#section-3 In this state BFD peers MAY remain as long as the egress LER is in Up state. The ingress LER MAY check liveness of the egress LER by setting the Poll flag. The egress LER will respond by transmitting Thanks, — Carlos Pignataro On Oct 19, 2018, at 9:59 PM, xiao.m...@zte.com.cn<mailto:xiao.m...@zte.com.cn> wrote: I support WG adoption of this draft. Use of the demand mode for p2p LSP monitoring is feasible and required. Best Regards, Xiao Min 原始邮件 发件人：JeffreyHaas <jh...@pfrc.org<mailto:jh...@pfrc.org>> 收件人：rtg-bfd@ietf.org<mailto:rtg-bfd@ietf.org> <rtg-bfd@ietf.org<mailto:rtg-bfd@ietf.org>>; 日 期 ：2018年10月18日 06:24 主 题 ：WG Adoption request for draft-mirsky-bfd-mpls-demand Working Group, The BFD chairs have received an adoption request for "BFD in Demand Mode over Point-to-Point MPLS LSP" (draft-mirsky-bfd-mpls-demand). https://datatracker.ietf.org/doc/draft-mirsky-bfd-mpls-demand/ The adoption call will end on the Friday after IETF 103, November 9. Note that there is are existing IPR statements on this draft: https://datatracker.ietf.org/ipr/3301/ https://datatracker.ietf.org/ipr/3104/ Please indicate to the mailing list whether you support adoption of this draft. -- Jeff & Reshad
