[e2e] Question about propagation and queuing delays

Detlef Bosau detlef.bosau at web.de
Tue Aug 23 07:20:16 PDT 2005

Christian Huitema wrote:
>>the minimum of the random values, which tends towards zero.....
>>Is there evidence for this?
> Yep. Assuming independent samples, P(min(X1, X2,...,Xn) > y) = P(X > y)
> to the power N, which tends towards 0 when N increases, except for the
> value y=0. 


>>If the random values represent e.g. queueing delays, why does the sum
> of
>>these tends towards zero? Why not to an average value?

But can you observe this min?

If Xi, i = 1..n, are queueing delays, the minimum tends to zero.
However, if you observe a packet traveling the network (I think, you 
obtain your samples this way?) the queueing delays will sum up?


Detlef Bosau
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70565 Stuttgart
Mail: detlef.bosau at web.de
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