Robert, > Why would we need to deploy a full mesh of BFD or introduce a new proxy > liveness service if BGP can do all what is needed here with just a few lines > of additional cfg on existing and deployed operating systems ?
If you want to address this problem with BGP keep alive timers, that’s certainly an alternative as well. Additional configuration is not a good metric on architectural complexity and fragility. The worst ‘features’ can be enabled with a single line. :) > In respect to using BFD here - let's start with basic question - who would be > the producer to install those host routes into RIB ? Note in the discussed > scenario there are not there today - only summary is there. Why do you assume that BFD would produce a route? I would instead suggest that the overlay BGP would register with BFD for notifications about a remote. Tony
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