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Re: [ns] ECN?



Hi,

I think it's the ecn_ flag in TCP that switch on/off
the TCP's response to ecn.
For example, I use the following command to switch on
the ecn response. 

set $tcp1 ecn_ 1

Am i right?

Michael
--- Liaw Yong Shyang <liawys@cwc.nus.edu.sg> wrote:
> At 06:07 AM 11/28/01 -0800, Michael Gao wrote:
> >HI, ns users,
> >
> >In TCP, I use reno as the agent and use RED in the
> >router to mark the packets. Can anybody tell me
> what
> >is the sender's behavior after it receives an
> marked
> >ack packets. Does Reno treat that acknowledgement
> as a
> >normal ack. or an ack. for an unsuccessful packet?
> 
> I don't know about Reno, but in Sack1, it resets the
> congestion window and 
> ssthresh to half of cwnd.
> 
> 
> >Thanks,
> >
> >Michael
> >
> >__________________________________________________
> >Do You Yahoo!?
> >Yahoo! GeoCities - quick and easy web site hosting,
> just $8.95/month.
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> 


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