[e2e] Distribution of mean end-to-end delay!

rhee@ncsu.edu rhee at ncsu.edu
Fri Aug 11 13:44:58 PDT 2006

The following paper has some discussion on the measured distribution of
network delays in the Internet.

Jay Aikat, Jasleen Kaur, F. Donelson Smith, and Kevin Jeffay, ?Variability
in TCP Roundtrip Times?, ACM IMC 2003.

In our simulation work, we typically use a lognormal distribution within a
range of [1ms, 350ms].

> Hi all,
>   I am new to this list and have a few queries. I shall be thankful if
> they
> are addressed:
> 1) What statistical distribution(s) are normally used to simulate
> end-to-end
> Internet delays. For instance, how do various packet generators simulate
> this phenomenon?
> 2) How can one model the distribution of mean one-way (or RTT) end2end
> delay
> where the mean comes from a relatively large number of samples (300-1000
> packets) And the number of means is fair enough too (around 2000 lets say)
> as well.
> 3) How does mean end2end delay correlate with the end2end packet loss (if
> at
> all). Once again the mean is of a sample size ranging between 200-1000
> packets.
> 4) Can someone provide information about a scholarly article that
> addresses
> these issues.
> I shall be grateful for any responses.
> Regards,
> Adil Raja

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