On Sat, Aug 15, 2015 at 1:07 PM, Glen Kent <glen.k...@gmail.com> wrote: > Youre saying that the probability of packet drop at peering points would > roughly match that at the edge. Is it? I thought that most core switches > have minimal buffering and really do cut-through forwarding. The idea is > that the traffic that they receive is already shaped by the upstream > routers.
Hi Glen, It a capacity question. Several core networks [cough Verizon cough] intentionally under-provision the "settlement-free" peering links to other core networks. You can't cut-through when the destination interface already has a queue of packets waiting to be sent. Regards, Bill Herrin -- William Herrin ................ her...@dirtside.com b...@herrin.us Owner, Dirtside Systems ......... Web: <http://www.dirtside.com/>
