Re: [j-nsp] Segment Routing Real World Deployment (was: VPC mc-lag)

[Mark Tinka]

On 7/Jul/18 23:24, Saku Ytti wrote:

> All these protocols have hello timers, LDP, ISIS, RSVP, BGP. And each
> of them you'd like to configure to trigger from events without delay
> when possible, instead of relying on timers. Indeed you can have BGP
> next-hop invalidated the moment IGP informs it, allowing rapid
> convergence.

For several years now, we've been happy with BFD offering this
capability, primarily to IS-IS.

In my experience, as long as IS-IS (or your favorite IGP) is stable,
upper level protocols will be just as happy (of course, notwithstanding
environmental factors such as a slow CPU, exhausted RAM, DoS attacks,
link congestion, e.t.c.).

Mark.
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