Subject: Re: TCP/Westwood+ support.
To: Kentaro A. Kurahone <>
From: Charles M. Hannum <>
List: tech-net
Date: 01/01/2005 19:52:21
On Saturday 01 January 2005 19:22, Charles M. Hannum wrote:
> b) On a fast retransmit, the congestion window is initialized to ssthresh
> -- in other words, we always set to the linear growth point on a fast
> retransmit, and never do exponential growth again, except in the case of
> slow retransmit (or CWM).

Actually, I'm really confused by this code.  AFAICT, you're never actually 
doing the fast retransmit; the code that does it is after your "if 
(tcp_do_westwood_p) {... goto drop;}".  This would, I think, force you to be 
doing slow-retransmit all the time.