[e2e] Why do we need TCP flow control (rwnd)?
L.Wood at surrey.ac.uk
Wed Jul 2 11:16:41 PDT 2008
On 2 Jul 2008, at 00:56, Fred Baker wrote:
> The thing that I find a little hard to grasp is why folks might have
> thought the network was Poisson in the first place.
I doubt they did; it was chosen because it made the arithmetic
"First, assume a spherical cow..."
> I think the thing that makes Gaussian and Poisson models attractive
> is the relative simplicity of their math. With Gaussian models we
> can discuss standard deviations, and with poisson models we can pull
> formulae out of textbooks. But in both cases, they are more
> conservative than we observe, and have predictive only to the extent
> that they are used as conceptual limits.
DTN work: http://info.surrey.ac.uk/Personal/L.Wood/saratoga/
<http://info.surrey.ac.uk/Personal/L.Wood/><L.Wood at surrey.ac.uk>
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