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

Lloyd Wood 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>

More information about the end2end-interest mailing list