Subject: RE: [tcpm] RFC2581bis

From: "Duke, Martin" <[email-masked]>
Date: Fri, 17 Feb 2006 09:03:14 -0800

Exactly.  I interpret the definition of FlightSize the same way.  If
FlightSize does not decrease with consecutive retransmission timeouts,
then ssthresh will only be halved after the first consecutive timeout.

That's the behavior that I advocate, which is NOT the behavior in
2581bis. 

Martin

> -----Original Message-----
> From: Joe Touch [mailto:[email-masked]] 
> Sent: Friday, February 17, 2006 8:37 AM
> To: Duke, Martin
Duke, Martin wrote:

<snip>

> > 
> >       ssthresh = max (FlightSize / 2, 2*SMSS)            (3)
> > 
> >    As discussed above, FlightSize is the amount of 
> > outstanding data in the network.

<snip>

> > Flightsize is described as:
> > "FLIGHT SIZE:  The amount of data that has been sent but not yet
> >       acknowledged."
> > But does that include data that has timed out?
> 
> Send but timed out is still sent. You can't 'unsend' it. It 
> can still get there - and sometimes does.
> 
> Trying to reinterpret that recommendation to accommodate what 
> *might* happen in *some* contexts is speculation.
> 
> Joe
> 

_______________________________________________
tcpm mailing list
[email-masked]
https://www1.ietf.org/mailman/listinfo/tcpm