[e2e] Number of persistent connections per HTTP server?

Ellen W. Zegura ewz at cc.gatech.edu
Mon Oct 14 12:27:32 PDT 2002

On Sun, 13 Oct 2002, Joe Touch wrote:

> TCP _assumes_ per-connection is the definition of fair. That's incorrect
> when fair doesn't map to 'per connection'. Striping, pipelining,
> overlays, caching, etc. all examine areas of the design space where
> per-connection deliberately doesn't map to per-user or per-application.
> As you pointed out, enforcement is hard, but so is finding a policy to
> enforce.

We've recently been working on higher (session) level definitions
of fairness, with a focus on a range of possible policies and
algorithms to achieve them.  Our emphasis has been multi-sender
single-receiver sessions, as arise for parallel downloads,
complex web pages, etc.  See:

Multipoint-to-point sesssion fairness in the Internet.
Karbhari, Zegura and Ammar.  Submitted to Infocom'02.


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