Subject: Re: [p2pi] Follow-Up from Comcast Presentation
From: Nicholas Weaver <[email-masked]>
To: John Leslie <[email-masked]>
Cc: [email-masked], Nicholas Weaver <[email-masked]>
Date: Sat, 7 Jun 2008 12:23:39 -0700
List-Id: P2P Infrastructure Discussion <p2pi.ietf.org>

There is always just "friendlier than TCP-Reno under reasonable ranges  
of latency and bandwidth" as a definition, so conventional TCP flows  
will outcompete the "scavenger" service.

Of which there are plenty of examples, including TCP-vegas, of stable  
congestion control algorithms which have this property.

So the question is not "How do you do this?" but "Why is this not  
done?".

I believe that the Linux stack, for example, allows you to switch the  
behavior of newly-created flows from Vegas to Reno with a /proc update.

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