Hello,
On 06/12/07 04:15, Di-Shi Sun wrote:
All,
This e-mail is follow-up to our previous posting about tests we
performed at TransNexus comparing SER and OpenSER. Our tests
were for wholesale VoIP carriers who want a straightforward, unbiased
comparison of OpenSER and SER. As part of this goal, we purposely
chose the simple implementation of building each software with default
settings.
Folks from the SER community have pointed out to us that building each
platform based on the default configuration does not lead to
an accurate comparison because debug and blacklisting settings for SER
and OpenSER are different and favor the performance results of OpenSER.
Since our goal is to provide users with the most accurate comparison
possible, we are seeking feedback from both communities on what
changes should be made to the SER and OpenSER compile/configuration
options in order to measure an accurate comparison between the two
software platforms.
We are considering re-running the performance test with debug and
blacklisting turned off for both OpenSER and SER based on advice
from folks in the community that this configuration will produce a
more accurate comparison.
Does anyone else have any advice or input to offer before we re-run
the Performance Comparison test?
it is quite hard to define similar parameters in both software.
Attention has to be paid to default values for sensitive parameters like
time outs, hash table sizes, debug levels, memory and locking, number of
processes, a.s.o.
This will need to investigate quite a lot of source code. Perhaps, if
the difference is dramatically, then worth to investigate, if there is
just a bit, it is clear that depending on who is doing the config can
get better results for some cases. The way config file is written in
each case can have big impact on final results.
Cheers,
Daniel
Thank you,
Di-Shi Sun.
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