| I am new of this mailing list and I am really interested in the
| measurements you are performing with DCCP.
This was more of a regression test, as there had been recent changes in
the test tree, to see that the kernel (not userspace) still performs in
a predictable way.
| Which tool are you using ? Are you using Iperf for such measurements ?
The setup is the one from
http://www.linux-foundation.org/en/Net:DCCP_Testing#Regression_testing
and, yes, it uses iperf.
| Have you ever heard about D-ITG ?
| You can find more information here:
| http://www.grid.unina.it/software/ITG
|
| I am one of the authors of such platform and I have also
| performed some very preliminary tests with DCCP.
|
| I would be very glad to have your opinion on that and I'm very interested
| in improving its features, also with specific regard to the support of
| transport protocols.
|
It is a very nice tool with many features. I only ran simple tests with it
(version 2.6),
again only as basic sanity tests -- the throughput result was similar to the
one tested with
iperf.
I think that the tool has more to offer and can help improve/extend DCCP
testing.
Here is my list of points, hoping that the others will add theirs, too:
* would be good to have a standardised set of scripts, for
comparison/benchmarking
* the built-in VoIP module only works for UDP -- is it possible to port this
to DCCP?
* as per previous email, more complex traffic scenarios would be good, in
particular
- switching on/off background traffic at times to observe
TCP/flow-friendliness
- running multiple DCCP flows in parallel and at overlapping times
Gerrit
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