Alistair Cunningham wrote:
Michael Manousos wrote:
Alistair Cunningham wrote:
I have a customer who wants to do large volumes of H.323 to H.323
hairpinning. We haven't tested this scenario for large volumes
before; maybe someone on asterisk-users has.
If they buy a top of the line PC, how many concurrent calls are we
likely to get? Routing logic will be simple, the machine won't be
doing anything else, and let's assume no transcoding for now.
We're not looking for an exact figure at this point, just a rough
estimate for cost / benefit of Asterisk versus a proprietary system.
Currently, without transcoding, you can get maximum 100 simultaneous
H.323 channels per box. With the next release of asterisk-oh323 this
number will be raised to ~180 channels. After that, major optimizations
at the OpenH323 RTP/jitter buffer code are required to push this number
up.
Michael.
That's a shame; my customer probably needs 400 to 500 channels (200 to
250 calls).
I know but the performance bound is set by OpenH323. Also, an additional
note, these numbers are almost the same even when transcoding
(G.729 <-> G.711) is used.
Does anyone have experience of GNU Gatekeeper in proxy mode? Any idea of
what load it can handle?
GNUGK in full proxy mode (all signaling and RTP through it) has a
similar upper limit.
Michael.
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