North American Network Operators Group

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Re: TCP congestion

  • From: Stephen Wilcox
  • Date: Thu Jul 12 17:30:43 2007

On Thu, Jul 12, 2007 at 10:54:56PM +0200, Iljitsch van Beijnum wrote:
> On 12-jul-2007, at 22:27, Philip Lavine wrote:
> >I just don't understand how if there is 1 segment that gets lost
> >how this could translate to such a catastrophic long period of slow-
> >start. How can I minimize the impact of  the inevitable segment
> >loss/out of order over a WAN. Is QoS the only option?
> Also note that minimal amounts of cell loss on ATM create huge
> amounts of packet loss at the IP layer.

from the phrases used ('catastrophic') my feeling is that perhaps Philip isnt un
derstanding that on a high speed TCP transfer a single missing bit of data can c
ause the whole thing to stop and restart transmission from slow