On Thursday 01 December 2005 18:15, Matthew Dillon wrote: > I don't know what the issue you bring up with the Linux kernels > is, but at GigE speeds the ethernet hardware is actually > flow-controlled. There should not be any packet loss even if the cpu > cannot keep up with a full-bandwidth packet stream. There is > certainly no need to fast-path the network interrupt, it simply needs > to be processed in a reasonable period of time. A few milliseconds > of latency occuring every once in a while would not have any adverse > effect.
A few milliseconds of latency / jitter can sometimes completely kill TCP throughput at gigabit speeds. A few microseconds won't matter, though. Cheers, Marko
