[e2e] use of MAC addresses

[Charles M. Hannum]

On Tue, Apr 18, 2006 at 06:49:09PM +0200, Detlef Bosau wrote:
> In principle, you can interconnect all computers in the world via a flat 
> Ethernet. (Define a "DS-Ethernet" := Deep Sea Ethernet for 
> intercontinental lines if necessary.)

Actually, even 1000 nodes on a single Ethernet starts to get problematic
in practice -- even in a star topology (where you don't necessarily have
collision problems), you get nailed by ARP probes pretty quickly.

> How large will the switching tables be?

But it's true that routing/switching tables are also a problem.