[e2e] Why do we need TCP flow control (rwnd)?

Jim Gettys jg at laptop.org
Tue Jul 1 10:38:43 PDT 2008


On Tue, 2008-07-01 at 08:54 -0700, Lachlan Andrew wrote:
> Greetings David,
> 
> 2008/7/1 David P. Reed <dpreed at reed.com>:
> >  No human that I know
> > of *ever* generates a Poisson distribution.
> 
> I might be one of the brainwashed, but I think that your (correct)
> observation misses the point.  An individual human produces one or two
> connections.  The Poisson process comes from thousands or millions of
> users each generating their connections independently.
> 

Heh.

The individual human pokes a web browser to visit another page.

Embedded on that page are often tons of images or other objects, not
necessarily at the same web site.

So an individual human often initiates anywhere from one, to many, many,
many TCP connections all at once.
                          - Jim

> 
-- 
Jim Gettys <jg at laptop.org>
One Laptop Per Child



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