Re: nested prefixes in Internet

[Florian Weimer <fw () deneb enyo de>]

* 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.