[asterisk-ss7] Loadsharing with libss7

[Matthew Fredrickson]

Kristian Nielsen wrote:
> Tobias Wolf <tobias.wolf at evision.de> writes:
> 
> I believe you can do this with chan_ss7, setting up two boxes as a
> cluster, though I think you would set up both boxes with the same point
> code. This is important not only to get load sharing but also to be able to do
> system maintenance without downtime, and is a standard in the MPT3 part of
> SS7.
> 
> I do not think libss7 supports the same configuration (yet?), but maybe it is

That is correct.  At this time, we don't have the ability to share a 
single point code between multiple machines.

> possible to do it using two different point codes as you describe with some
> help from the switch at the other end?

That's the way I would advise doing it for the time being...

Matthew Fredrickson
Digium, Inc.

> 
>  - Kristian.
> 
>> is the following setup possible ?
>>
>> Two Asterisk Boxes, every Box has its own Point Code, both are connected 
>> to the same SS7 Switch. Now i want incoming call from the SS7 Switch 
>> load shared over my two Asterisk Machines. So first call goes to Server 
>> A and the second Call goes to Server B.
>>
>> Is i understand SS7 correctly it should be possible to have one 
>> Signalling Channel configured on Server A, which handles Calls for both 
>> Servers. A backup Signalling Channel would reside at Server B, so if 
>> Server A goes down, Signalling should switch to Server B and all Call 
>> will go through Server B, if Server A goes up again, Signalling could 
>> switch back to Server A, but another option would be that, from now on 
>> Server A will be the backup.
>>
>> If libss7 does not support this, is there a way to get this implemented 
>> ? How long would it take and how much would it cost ?
>>
>> The other option i can think of, that the SS7 switch can give me this 
>> functionality. Do you have any information on this ?
>>
>> Thanks for you help ;)
>>
>> Kind Regards,
>>
>> Tobias Wolf
>>
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