Subject: Re: TCP limited transmit
To: venkat venkatsubra <firstname.lastname@example.org>
From: Mark Allman <email@example.com>
Date: 11/29/2000 18:47:40
> If i wanted to avoid adding the new field t_extra, won't the
> following work too ?
Um. I'm still thinking about it. I am not sure that it is the
same... And, I am thinking of other's comments.
> Also, is there a simple way to count the number of times the
> 'Limited Transmit' code helped avoid a retransmit timeout ? That
> is, helped a fast retransmit to occur when otherwise it would have
> resulted in a retransmit timeout ?
As a heuristic, fast retransmit when cwnd is less than four packets
would qualify. Hmm... Due to my current state of mind I can't come
up with a concrete algorithm, but I would guess that you could
cleverly count ACKs and figure it out. Why? Are you thinking of a
counter or something?