[Tech] LIFO simulations
Michael Rogers
m.rogers at cs.ucl.ac.uk
Thu Dec 14 18:35:32 UTC 2006
toad wrote:
>>> Are you allowing *ALL* requests
>>> to complete before reporting the result?
>> No, I'm taking a slice of the simulation in its steady state and
>> counting the number of messages sent and received in that slice.
>
> If it is actually a steady state - is it?
It's hard to be sure. FIFO seems likely to reach a steady state quite
quickly because nothing stays in the network for very long, especially
with short queues. But with LIFO I'd imagine it's possible for packets
to sit at the bottom of the queue for a very long time. I'd have to run
a lot of repetitions and check that the first half of the slice wasn't
distinguishable from the second half.
Cheers,
Michael
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