Le 08/03/2013 13:17, Leandro Dardini a écrit :
2013/3/8 nik600 <[email protected] <mailto:[email protected]>>
Dear all
i'm planning a migration to asterisk for a high volume IVR service
(from 1000 to 1500 concurrent call)
The IVR service is based only on DTMF tones so the features
required is
- play feature
- dtmf detection
Asterisk will receive calls via VOIP (SIP with g711 codec)
The IVR service wil be a static service based on Asterisk dialplan
with some prompt (from 0 to 5, play of files in the same codec of the
received call) and some dtmf detections.
How many simultaneous call can i handle per server? each server
will have:
4 core 3.0 Ghz
4 GB of RAM
I need an aproximate sizing:
0-100 calls per server ?
100-200 calls per server ?
200-300 calls per server ?
300-400 calls per server?
400-500 calls per server?
Thanks to all in advance
--
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nik600
http://www.kumbe.it
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The bigger server I have has 150 max channels during peak hours and
has a max load of 0.5 with 24 cores. When I was using a 4 cores server
with the same number of channels, I get a load of 3 ... so the load x
core relation is valid. I think it will be good to have a load not
over 4 for a 4 core server, so you can have at least 200 active
channels on the server. If you accept more load, then you can get more
channels.
Leandro
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Hello,
Although I don't have any figures to show you, I totally agree on the
Leandro load advice.
Basically if you want to keep your system totally real-time (as any VoIP
related server/platform/system), you definitely want to keep your server
load below the total number of core of your physical machine.
Also, this might look obvious but unless you test and check it for real
(Asterisk on a host with a setup as said above, 4c 3GHz), you can't
trust at 100 per cent any recommendation.
Every environment is different (either the host and the service running
-IVRs in your case). I'd say 300+ simultaneous calls per server could be
reached with your setup though.
br,
Florent
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