nested prefixes in Internet
fw at deneb.enyo.de
Wed Oct 5 20:50:25 UTC 2016
* Martin T.:
>> 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
More information about the NANOG