At 06:12 AM 8/19/2011, Roni Even wrote:
I had another question whether there is some experience from actually
conducting the tests based on the long time this draft was under
development.

Roni,

There were several labs conducting these tests before
the drafts were prepared, in fact, the state of the art
for convergence testing advanced while these drafts were in
development - which is one reason we had difficulty in the
first IESG review. So there is plenty of test experience.

You actually asked if we could provide guidance on how many
times to repeat tests, but the WG has declined to do this.
I'm sure you understand that with a wide range of equipment
and testing circumstances only general guidance can be given,
such as:

section 5.6
... It is RECOMMENDED to repeat a test multiple times with
   different random ranges of the header fields such that convergence
   time benchmarks are measured for different distributions of traffic
   over the available paths.

and
5.8. Measurement Statistics

   The benchmark measurements may vary for each trial, due to the
   statistical nature of timer expirations, cpu scheduling, etc.
   Evaluation of the test data must be done with an understanding of
   generally accepted testing practices regarding repeatability,
   variance and statistical significance of a small number of trials.

hope this helps,
Al



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