[Asterisk-Users] Large Asterisk Setup (~500 Concurrent Calls + Scalability)

[Matt Roth]

Interesting.

Can anyone out there tell me how many concurrent Monitors an Asterisk 
box can handle under my scenario (see below)?

1) Monitor commands are executed on the Asterisk server.
2) Audio packets are saved to files on a remote machine via mounted drive.
3) All handling of the audio files (mixing, compression, etc.) is done 
on the remote machine.

If you could point out the bottlenecks and how to circumvent them, that 
would be appreciated as well.  It seems that scaling an Asterisk setup 
is no trivial task.

Thank you,

Matthew Roth
http://www.voip-info.org/tiki-index.php?page=Running%20Asterisk%20on%20Debian

Daniel Salama wrote:

> The way aheeva handles this is by integrating call recording 
> capabilities in their proprietary softphone. After the call is ended, 
> the softphone uses their proprietary technology to transfer the audio 
> file back to the server. It's a neat solution, but not scalable over 
> WANs since the audio streams congest the WAN during busy periods.
>
> - Daniel
>
> On Apr 22, 2005, at 9:10 PM, Brian Roy wrote:
>
>> On 4/21/05, Matt Roth <mroth at imminc.com> wrote:
>>
>>> Daniel,
>>>
>>> I would be interested to hear if anyone knows of a method to completely
>>> offload the Monitor command from the master server.  It is the missing
>>> piece of the puzzle to optimizing the digital recording process.
>>>
>>
>> You might want to talk to the folks at aheeva. www.aheeva.com They
>> built their platform around * very much like you are. They offloaded
>> quite a bit (including recording calls) to other boxes. Now, they
>> built their solution around a much less stable Asterisk build, but
>> they have some great experiences. I talked to them quite a bit last
>> your at Astricon. I do remember them saying that after about 60
>> concurrent monitor's the * box would get unstable.
>>
>> Looks like you have some good research going you just need a little
>> more proof of concept.
>>
>> -Brian
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