[Asterisk-Users] High Availability on Asterisk

[Matt]

this http://www.xgforce.com/loadbalancer.html might help too at cheaper
price.

Matt


----- Original Message ----- 
From: "Andres" <andres at telesip.net>
To: "Asterisk Users Mailing List - Non-Commercial Discussion"
<asterisk-users at lists.digium.com>
Sent: Sunday, March 27, 2005 10:37 PM
Subject: Re: [Asterisk-Users] High Availability on Asterisk


>
>
> Matthew Boehm wrote:
>
> >>Hi,
> >>
> >>I would like to know if Asterisk (installed on Linux or Free BSD) have
any
> >>possibility of high availability (such as, if one box down, the other
one
> >>get all configuration)?
> >>
> >>
> >
> >    F5 networks currently makes a layer-7 SIP aware load balancer. I was
on
> >a call with them on Friday and their lowest end model was $21,000 for a
> >500Mbit throughput switch.
> >
> >    Or, you can get a 3rd box and put SER on it to load balance/failover
any
> >number of asterisk boxes. Cheap and easy. Problem is, what happens when
that
> >SER box gets overloaded? If it does, then you are pushing 10,000 calls
per
> >second. And if you are pushing 10,000 calls per second then you can
afford
> >the $21K switch above.
> >
> >-Matthew
> >
> >
> >
> To put things in perspective, a top of the line multiprocessing DMS
> Switch from Nortel Networks,  costs millions of dollars.  Call
> Processing Capacities of TDM switches are rated in BHCAs (busy hour call
> attempts).  A TDM switch like this can do 7 million BHCAs, which
> translated into seconds is less that 2,000 calls per second.   10,000
> calls per second is one hell of a lot of calls.  I am sure that not even
> Vonage with its half a million subs is doing 10,000 calls per second on
> their entire network.  If they did then they would be processing 36
> million calls an hour.
>
> -- 
> Andres
>
>
>
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