* Martin T.: > Florian: > >> Are the autonomous systems for the /19 and /24 connected directly? > > Yes they are.
Then deaggregation really isn't necessary at all. >> (1) can be better from B's perspective because it prevents certain >> routing table optimizations (due to the lack of the covering prefix) > > What kind of routing table optimizations are possible if covering /19 > prefix is also present in global routing table? The /24 prefix could arguably be dropped and ignored for routing decisions.