[R-C] Simplifying the TCP throughput algorithm

Luca De Cicco ldecicco at gmail.com
Thu Mar 29 13:26:27 CEST 2012


That formula was derived for TCP NewReno so it's not working properly for
TCP Cubic for instance :). That's why I am not a fan of the TFRC approach.

Cheers,
Luca

On Thu, Mar 29, 2012 at 1:22 PM, Colin Perkins <csp at csperkins.org> wrote:
> On 29 Mar 2012, at 13:19, Harald Alvestrand wrote:
>> On 03/29/2012 01:07 PM, Ali C. Begen (abegen) wrote:
>>> I suppose these were random losses?
>> This is just putting numbers into the TCP throughput algorithm from the TCP-Friendly RFC using its parameter p, and trying to see what the implications of the result are.
>>
>> I presume that p was assumed to be random in the derivation of the formula.
>
> It's a loss event rate. The equation gives a conservative value for the throughput if the loss is bursty.
>
> Colin
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