And having every /48 MAC address in your entterprise tracked is cheaper? On Sunday, January 25, 2015 11:44pm, "David Lang" said: > On Sun, 25 Jan 2015, Valdis.Kletnieks@vt.edu wrote: > > > 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? > > The full IP routing tables are something that you normally only have to deal > with in a few devices at the perimeter of your network. > > What is being talked about here is routing each /32 IP address individually > throughout your network so that any IP address can be connected anywhere and > have it 'just work' as far as the client on that IP is concerned. > > David Lang >