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RE: [ns] Link delay, what is it?
On Thu, 7 Jun 2001, Michael Welzl wrote:
> ... but there is no feature to simulate processing delay, right?
> Or is there? At least I never found out about one.
>
> Therefore, in simulating a real network, I would at least use the
> value obtained from a ping instead of the real propagation delay for
> the link delay value in ns, to account for tcp/ip stack overhead.
'stack overhead' is primarily in the delayed-ack mechanism (or in
Nagle if delayed acks aren't used), and a path usually consists of
multiple links and can vary...
L.
<[email protected]>PGP<http://www.ee.surrey.ac.uk/Personal/L.Wood/>