[Tmrg] Test suite: Transfer time vs file size

[Hamed Haddadi]

Greetings all,
I am not on TMRG but I folow these emailas they are really interesting,

thought I just mention the fact that one tricky issue is the actual
definition of flows in this context, weather a 2-day emule download or
bittorrent session is one flow with constant up-down times, or
numerous bursty individual flows, as opposed to a radio streaming that
is active for days with constant bit rate, and also, is a gmail/msn
chat etc flow which is active for many days without much activity is
just considered one long flow with not much data on it.

Internet is moving away from traditional heavy-tailed/self-similar
nature and classic flow definition and sampling methods may not be
representetive for future

cheers
hamed

2008/4/19 Lachlan Andrew <lachlan.andrew at gmail.com>:
> Greetings all,
>
>  For the general scenarios, we specify one metric as the "transfer time
>  per flow versus file size".
>  How should we define that, given that the flows are mostly non-greedy?
>   Options include:
>
>  1. Treat each "application data unit" as a single flow.  That would
>  mean the Tmix would have to record the statistics for us
>  2. Treach each entire connection as a single flow.  That would seem to
>  give meaningless values.
>  3. Add some artificial greedy flows and only record statistics from them.
>
>  My favourite option is 1.  What do others think?
>
>
>  BTW, I know that lots of people read this list, but very few seem to
>  post.  It would be great to have more interaction.  In particular,
>  this test suite will only be successful if it represents a community
>  consensus, and hence if people are willing to use it.
>
>  Cheers,
>  Lachlan
>
>  --
>  Lachlan Andrew  Dept of Computer Science, Caltech
>  1200 E California Blvd, Mail Code 256-80, Pasadena CA 91125, USA
>  Ph: +1 (626) 395-8820    Fax: +1 (626) 568-3603
>  http://netlab.caltech.edu/lachlan
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-- 
=================================================
hamed at ee.ucl.ac.uk , http://www.ee.ucl.ac.uk/~hamed
Currently at School of Mathematical Sciences, University of Adelaide