[Freeswitch-users] Questions on Building an application for FreeSWITCH

[Steven Ayre]

But if that ESL server fails, your entire system goes down. Having N ESL
servers means one can fail and the other ESL server allows the cluster to
continue running until the failed server is replaced/repaired.

-Steve


On 13 May 2010 21:16, Phillip Jones <pjintheusa at gmail.com> wrote:

> What would the advantage of an N to N architecture be though? An ESL server
> controlling several FS instances has a view of everything that is going on.
> All calls/conferences etc. A real advantage. That is lost when two ESL
> servers are run in parallel. State information could be in a DB cluster -
> but why not have the in-process app access this directly, cutting out the
> middle man?
>
> How does using ESL make it more scalable and more available with fewer
> components? I am sure you are correct - I just don't see it.
>
>
> On Thu, May 13, 2010 at 3:15 PM, Kristian Kielhofner <kris at kriskinc.com>wrote:
>
>> ESL connecting to a socket actually proves to be more scalable and
>> more available with fewer components.  Why not have N servers running
>> your socket app with N servers running FreeSWITCH?
>>
>> OpenSIPS introduces its own issues with failover and I've yet to see
>> DNS SRV be the reliability/scalability solution it's made out to be.
>>
>> On Thu, May 13, 2010 at 3:01 PM, Phillip Jones <pjintheusa at gmail.com>
>> wrote:
>> > And just a general thought of using ESL vs an in process solution like
>> > mod_managed, or LUA.
>> >
>> > My understanding is, that using a separate server/process does
>> potentially
>> > give you another point of failure and, if you use a single ESL server
>> > application to control several FS boxes, potentially a single point of
>> > failure. It is fairly easy to build a scalable and reliable FS cluster
>> and
>> > using DNS SRV and OpenSIPS in order to avoid any single points of
>> failure.
>> > Having independent FS boxes that pull data, but can fail with little
>> impact
>> > seems attractive to me,
>>
>> --
>> Kristian Kielhofner
>> http://www.astlinux.org
>> http://blog.krisk.org
>> http://www.star2star.com
>> http://www.submityoursip.com
>> http://www.voalte.com
>>
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>
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