Hi, Robert: Aijun Wang China Telecom
> On Nov 23, 2021, at 20:00, Robert Raszuk <[email protected]> wrote: > > > Dear Aijun, > >> [WAJ] Once there is a link/node failure, upon receiving the updated LSA, the >> ABR .... > > That node failure will need to be detected fast. > > The entire discussion here is to do it reasonably fast or as fast as possible. [WAJ] And also as less configuration as possible. We have invested several tools to increase the speed of LSA flooding. > That is why such detection must happen quickly via LOS or BFD or CFM etc.... > That is way before ABR will receive any LSA/LSP from the adjacent nodes > informing it of the failed adj. And in fact all such adj nodes MUST do it > fast as ABR will not react till it hears bad news from every node previously > connected to such PE. [WAJ] The reaction time depend on the IGP convergence time after one node is detached from the network. It should be in milliseconds within one area? Right? > > In every solution we work on we must see a full picture, not just single > pieces of the puzzle. > > Thx, > R. > > > > > _______________________________________________ > Lsr mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/lsr
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