[asterisk-users] Call load balancing

[David Ruggles]

That's cool, but I doubt my systems could handle that same load ;)

Thanks,

David Ruggles
CCNA MCSE (NT) CNA A+
Network Engineer	Safe Data, Inc.
(910) 285-7200	david at safedatausa.com



-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Steve Edwards
Sent: Friday, March 09, 2007 9:58 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: RE: [asterisk-users] Call load balancing


"telco servers" are Supermicro 2.8GHz P4, 1GB, Digium te410p with 2 PRI 
plugged in.

"application server" is HP DL380 3.06GHz Xeon x2 (4 cores), 3GB, Digium 
te410p (timing only, all calls over IAX)

"database server" is HP DL380 3.06GHz Xeon x2 (4 cores), 3GB

No failures in over 2 years.

On Fri, 9 Mar 2007, David Ruggles wrote:

> What kind of hardware are you using in your setup?
>
> I'm using dell GX150 PIII 1G 512M, because I can get them in quantity and
> the parts are easily interchangeable
>
> Thanks,
>
> David Ruggles
> CCNA MCSE (NT) CNA A+
> Network Engineer	Safe Data, Inc.
> (910) 285-7200	david at safedatausa.com
>
>
>
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Steve
Edwards
> Sent: Thursday, March 08, 2007 6:21 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [asterisk-users] Call load balancing
>
>
> On Thu, 8 Mar 2007, David Ruggles wrote:
>
>> I've got a system I'm putting together to handle IVR calls with *
>>
>> I have one head system that terminates two PRIs. It routes the calls from
>> the PRIs to * boxes using IAX I'm planning on having four or five *
boxes.
>> The * boxes run AGI scripts to process the IVR calls. Can I load balance
> the
>> routing if I have five calls each of the IVR * boxes gets two call and
the
>> next call would go to the system that currently has the lowest number of
>> calls?
>
> Quick answer, yes.
>
> How is more interesting :)
>
> First, unless your AGI's are massive or incredibly inefficient, 2 PRI's
> won't swamp your IVR boxes.
>
> I have 3 1u servers each with 2 PRI's forwarding all 138 calls to a single
> "application server." All of the PRI's could be handled by 1 1u but
> management wanted flexibility and redundancy.
>
> The application server does IVR, conferencing, records messages, plays
> canned stories, credit card processing, etc, etc, etc. All implemented
> with a bunch of AGI's written in C. Each call executes a minimum of 9
> AGI's and yes, some AGI consolidation is planned.
>
> All database work is handled by a separate box.
>
> Anyway, back to your question, how about your head system running an AGI
> that connects to the manager interface on the IVR boxes to find out how
> many calls each is currently processing? You could set a channel variable
> with the least busy host name and use that in your dial statement.
>
> If you passed the IVR host name list to the AGI, you could take a box out
> of service by editing and reloading your dialplan.
>
> Thanks in advance,
> ------------------------------------------------------------------------
> Steve Edwards      sedwards at sedwards.com      Voice: +1-760-468-3867 PST
> Newline                                             Fax: +1-760-731-3000
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Thanks in advance,
------------------------------------------------------------------------
Steve Edwards      sedwards at sedwards.com      Voice: +1-760-468-3867 PST
Newline                                             Fax: +1-760-731-3000
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