On Sun, Aug 16, 2015 at 8:00 AM, Patrick W. Gilmore <patr...@ianai.net> wrote: > On Aug 15, 2015, at 1:41 PM, Job Snijders <j...@instituut.net> wrote: >> On Sat, Aug 15, 2015 at 11:01:56PM +0530, Glen Kent wrote: > >>> Is there a paper or a presentation that discusses the drops in the core? >>> >>> If i were to break the total path into three legs -- the first, middle >>> and the last, then are you saying that the probability of packet loss >>> is perhaps 1/3 in each leg (because the packet passes through >>> different IXes). >> >> It is unlikely packets pass through an IXP more then once. > > “Unlikely”? That’s putting it mildly. > > Unless someone is selling transit over an IX, I do not see how it > can happen. And I would characterize transit over IXes far more > pessimistically than “unlikely”.
Hi Patrick, I'm told it happens relatively often in networks supporting a lot of schools. Being an unpaid pass-through for schools paying other ISPs functions as a loss-leader that attracts more schools as customers. Regards, Bill Herrin -- William Herrin ................ her...@dirtside.com b...@herrin.us Owner, Dirtside Systems ......... Web: <http://www.dirtside.com/>
