Alistair Cunningham wrote: > Senad Jordanovic wrote: >> Alistair Cunningham wrote: >>> Jim Dalton wrote: >>>>> Alistair Cunningham wrote: >>>>> >>>>> Jim, >>>>> >>>>> Thank you for publishing this; it's most useful to the >>>>> Asterisk community. Did you make any measurements of voice >>>>> quality (jitter, packet loss, subjective listening tests by a >>>>> human) at high loads? From a brief read at your PDF document, >>>>> I didn't see anything on this - my apologies if I've missed it. >>>>> >>>> Very good question and quick reading! This issue is not addressed in the >>>> test plan. >>>> >>>> To check for voice quality we performed subjective listening test at high >>>> loads and the quality was good. >>>> >>>> We spent some time trying to think of a simple way to quantitatively >>>> measure >>>> voice quality during the test, but could not come up with a practical >>>> solution that was easy and affordable. We would appreciate any input on >>>> easy ways to collect voice quality data. >>> In that case, you're getting better scalability than our own testing >>> with vanilla Asterisk 1.2 by a factor of around 2. While I'm sure Digium >>> have made performance improvements for 1.4, I'm surprised by the jump. >>> >>> Would you be willing to carry out load testing and tuning of other >>> software on a commercial basis? Specifically I'm thinking of Enswitch, >>> which uses Asterisk and OpenSER for telephony. We've tested to 5000 >>> concurrent calls, but don't have the test environment to go further. >> Alistair, >> >> Very Interesting!!! >> >> You have no environment to test above 5000 calls but claim that your >> customers are passing 100,000 of thousands in real time...? >> >> Regards, >> >> Senad >> www.bicomsystems.com > > Senad, > > That's correct, but not the whole story. Unfortunately we are under NDA > and I cannot give more details. Let's just say at this time we do not > have a test environment to test above 5000 calls under a variety of > different business models that our customers use. >
Sure, thanks for the feedback Senad > If anyone has such an environment, and a proven track record of running > load testing and tuning, I'd be interested in hearing from them. > Otherwise, we'll probably build it ourselves. > > Alistair Cunningham > +1 888 468 3111 > +44 20 799 39 799 > sip:[EMAIL PROTECTED] > http://integrics.com/ > > > _______________________________________________ > --Bandwidth and Colocation Provided by http://www.api-digital.com-- > > asterisk-biz mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-biz > > > . > _______________________________________________ --Bandwidth and Colocation Provided by http://www.api-digital.com-- asterisk-biz mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-biz
