[asterisk-users] Make asterisk cluster appear and operate as a single server?

[Steve Totaro]

Going with the flow on top posting.

You just need an SBC
http://www.voip-info.org/wiki/view/Session+Border+Controller setup
correctly.

Thanks,
Steve T

On Sun, Oct 2, 2011 at 3:14 AM, Sam Govind <govoiper at gmail.com> wrote:
> Hey,
> Why do you think using OpenSIPs is not going to work for you ? You can
> always add SIP trunks on openSips and based upon which trunks getting the
> call you can LB or/and FO to as many asterisk servers as you want !
> Regards,
> -Sammy
>
> On Sun, Oct 2, 2011 at 7:12 AM, Michelle Dupuis <mdupuis at ocg.ca> wrote:
>>
>> If one server is supposed to carry the full load of the other during
>> failure, then you have to size each server to handle  100% load - so load
>> balancing is pointless.
>>
>> Checkout haast at www.generationd.com and read  the docs on how it does
>> failover...certainly good for ideas.
>>
>> ________________________________
>> From: asterisk-users-bounces at lists.digium.com
>> [asterisk-users-bounces at lists.digium.com] On Behalf Of Tobias Steen
>> [tobias.steen at s2.se]
>> Sent: Saturday, October 01, 2011 6:30 PM
>> To: Asterisk Users List
>> Subject: [asterisk-users] Make asterisk cluster appear and operate as a
>> single server?
>>
>> Hi,
>>
>>
>>
>> I'm trying to plan a system of clustered asterisk machines where a number
>> of SIP trunks will be hosted on the platform. Each trunk will be hosted for
>> a specific customer who owns it and therefore payment is handled directly
>> between the customers and their trunk-providers, each trunk will have about
>> 50-200 simultaneous calls.
>>
>>
>>
>> No SIP phones will be directly connected to the platform, my thought is
>> that the asterisk machines should only receive incoming and make outgoing
>> calls through the trunks, and then connect the calls with each other.
>>
>>
>>
>> To make this scalable and have the option of running an infinite number of
>> sip-trunks, I need a good way to load-balance my asterisk servers and
>> implement failover support and also be able to add / replace the machines in
>> the cluster in a safe and reliable way.
>>
>>
>>
>> I'm have some experience building single asterisk solutions but I have
>> never worked with load balancing of multiple asterisk machines.
>>
>>
>>
>> Is it possible to configure all trunks on a single asterisk setup which is
>> then reflected over a cluster of asterisk machines? If I have a cluster of
>> machines, I guess I need some kind of front-end application / system? I will
>> then also need to be able to connect calls between the machines, the calls
>> to be connected with each other will always be incoming and outgoing on the
>> same trunk.
>>
>>
>>
>> In other words, I want to create a large cluster of asterisk machines to
>> appear and operate as a single asterisk server.
>>
>>
>>
>> I've looked at projects like OpenSIP but it feels like this is not really
>> what I need?
>>
>>
>>
>> I really appreciate if someone can help me get on the correct path here, I
>> need all the feedback I can get.
>>
>>
>>
>>
>>
>> Thanks in advance!
>>
>>
>>
>>
>>
>> Best regards
>>
>> Tobias

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