Hi all, I suggest that we all agree to disagree.
Since we cannot make progress, we simply drop all proposals, adopt none of them, and give up. Tony > On Jan 25, 2022, at 6:16 PM, Aijun Wang <[email protected]> wrote: > > Hi, All: > > As Peter’s example and Acee’s suggestions, let’s focus on the following > problem to think how to solve it efficiently and reasonably: > Scenario: 100 areas each with 1000 PEs (100K total PEs) with 2 ABRs per area > Problem: Overlay services(BGP or Tunnel) that rely on the IGP needs to be > notified immediately when the remote Peer failed, to assist such overlay > service accomplish fast switchover(how to switchover is out of the discussion) > Potential Solutions: > There are now mainly four categories of the solutions, as described below > and their brief analysis: > Category A: PUA/PULSE. Utilizes the existing IGP mechanism to > transport/flooding the notification message. > Category B: Detail/Important Prefixes Leaks. Bypass the summary > side-effect for some detailed/important prefixes by leaking/not summarize > them into each area. > Category C: BGP based solution: Utilize the existing BGP infrastructure to > transport the notification message > Category D: OOB Solution. Design some new OOB protocol to transport the > notification message. > > Because we are in LSR WG, and people are all IGP experts. After the intense > discussion, can we now focus on the Category A/B? > It is very curious that LSR WG will and should produce some BGP or OOB based > solution. I think they may be feasible, but should be evaluated/discussed by > other WGs. > Or else, I think we can’t converge to one standard solution. > > From the POV of the operator, we prefer to the IGP based solution. If there > is no unsolvable concerns, let’s accept it. I think there is enough interests > and experts to accomplish this task. > > Best Regards > > Aijun Wang > China Telecom > > _______________________________________________ > Lsr mailing list > [email protected] <mailto:[email protected]> > https://www.ietf.org/mailman/listinfo/lsr > <https://www.ietf.org/mailman/listinfo/lsr>
_______________________________________________ Lsr mailing list [email protected] https://www.ietf.org/mailman/listinfo/lsr
