On Sun, 25 Jan 2015 18:09:59 -0800, David Lang said:
> The difference is that the switches and their protocols have been designed from
> the beginning for this scale of operation, IP routing protocols are designed for
> much fewer endpoints to track.

Anybody who's carrying a full routing table was swallowing on the order
of 528,833 routes (as of Friday's "weekly routing table report" posted
to NANOG).  Pretty much everybody and their pet llama accepts full tables
thesedays.

You know anybody who's doing that many entries in an L2 Ethernet broadcast
domain?