[asterisk-ha-clustering] Queue clustering

Leandro Caetano Gonçalves Lustosa lcaetano at gmail.com
Thu Mar 6 14:18:41 CST 2008


Thank you!

On Thu, Mar 6, 2008 at 4:27 PM, Gaetan Duchaussois <
gduchaussois at datapartner.cl> wrote:

> The short answer is following MySQL doc here:
> http://dev.mysql.com/doc/refman/5.0/en/ha-overview.html
> This doc give explanations  over the concepts of HA, The easier config
> is using Heartbeat and drbd if you use Linux or whatever OS ehich
> supports it.
>
> Gaëtan
>
> Leandro Caetano Gonçalves Lustosa wrote:
> > But in this case, how to have a HA mysql DB?
> >
> > Leandro
> >
> > On Thu, Mar 6, 2008 at 4:06 PM, Gaetan Duchaussois
>  > <gduchaussois at datapartner.cl <mailto:gduchaussois at datapartner.cl>>
> wrote:
> >
> >     We gave up with the idea of the load balancing since it seems too
> >     hard.
> >     We plane to use Active/Passive High Availability. Which will occur
> >     when
> >     the primary server is that all waiting call will be cut as the E1
> will
> >     go down.
> >     So we will just have to relogin the agents. Sharing the queue
> >     implicate
> >     that all datas for the queue as the agents, the order in queue are
> >     in a
> >     shared structure as a database or a net mount and I don't know
> >     sufficiently asterisk internals to catch if it could be done.
> >
> >     Gaëtan
> >
> >
> >     Leandro Caetano Gonçalves Lustosa wrote:
> >     > I found many names: heartbeat, csync2, DRBD, Ultramonkey, etc....
> >     > But I haven't found I way so far....
> >     >
> >     > First of all, I thing we should state the requirements of a HA and
> >     > scalable Asterisk infrastructure:
> >     >
> >     > 1) Active call center:
> >     >
> >     > - Many Asterisk servers with E1 cards. Or many Asterisk servers
> >     > connected to media gateways able to complete calls to PSTN;
> >     > - Many operators logged on theses servers making calls;
> >     > - A simple DNS configuration to load balance;
> >     > - If a server crashes, the softphone should re-log the operator in
> >     > another server;
> >     > - If a Media gateways crashes, the asterisk should use another
> media
> >     > gateway to complete calls;
> >     > - I think that realtime configuration is needed. But what is
> >     needed to
> >     > have a HA mysql DB?????
> >     >
> >     > 2) Receptive call center:
> >     >
> >     > Many Asterisk servers with E1 cards. Or many Asterisk servers
> >     > connected to media gateways able to receive calls from PSTN;
> >     > - Many operators logged on theses servers receiving calls;
> >     > - If a server crashes, the softphone should re-log the operator in
> >     > another server and the media gateway starts to send calls to
> another
> >     > server;
> >     > -> How could we have a unique queue?????
> >     >
> >     > Leandro
> >     >
> >     > On Thu, Mar 6, 2008 at 2:29 PM, Gaetan Duchaussois
> >     > <gduchaussois at datapartner.cl
> >     <mailto:gduchaussois at datapartner.cl>
> >     <mailto:gduchaussois at datapartner.cl
>  >     <mailto:gduchaussois at datapartner.cl>>> wrote:
> >     >
> >     >     Hello,
> >     >     i looked a vicidial but it looks fine for agent who call for
> >     campains
> >     >     but where are in the case of a hotline.
> >     >     We found yesterday a solution buying a redfone and as we
> >     control the
> >     >     softphone on stations to re-login the agents in a case of a
> >     failure
> >     >     which can be detected by a cut of the communication which
> >     remains all
> >     >     the login time between the softphone and the Asterisk.
> >     >     It's for now only conceptual as we don't have yet the
> >     redfone box.
> >     >
> >     >     I will post more details when we set up this solution
> >     >
> >     >     Gaëtan
> >     >
> >     >     Matt Florell wrote:
> >     >     > Hello,
> >     >     >
> >     >     > I have set up several systems using VICIDIAL to do
> >     multi-server
> >     >     > Queues(inbound/outbound/blended). It is not "Asterisk
> Queues",
> >     >     but it
> >     >     > is using VICIDIAL's queueing system and it is still Open
> >     Source
> >     >     and it
> >     >     > is very scalable. One of the larger setups has 8 servers
> >     and 30 T1
> >     >     > lines and the calls balance across the agents on all of
> >     the servers.
> >     >     >
> >     >     > MATT---
> >     >     >
> >     >     > On 3/6/08, Leandro Caetano Gonçalves Lustosa
> >     <lcaetano at gmail.com <mailto:lcaetano at gmail.com>
> >     >     <mailto:lcaetano at gmail.com <mailto:lcaetano at gmail.com>>>
> wrote:
> >     >     >
> >     >     >> I'm trying to do the same. Let's exchange experience!
> >     >     >> I'm starting now and I hope to put many doubts and
> successful
> >     >     cases in this
> >     >     >> list!
> >     >     >> Regards,
> >     >     >>
> >     >     >> Leandro
> >     >     >>
> >     >     >> On Wed, Mar 5, 2008 at 10:26 AM, Gaetan Duchaussois
> >     >     >> <gduchaussois at datapartner.cl
> >     <mailto:gduchaussois at datapartner.cl>
> >     >     <mailto:gduchaussois at datapartner.cl
>  >     <mailto:gduchaussois at datapartner.cl>>> wrote:
> >     >     >>
> >     >     >>
> >     >     >>> Hi,
> >     >     >>> We want to create an ha cluster for a call center with
> load
> >     >     balancing.
> >     >     >>> We have four E1 lines which are today connected to one
> >     server.
> >     >     In order
> >     >     >>> to prevent failure we want to connect 2E1 to one server
> and
> >     >     the others 2
> >     >     >>> to the other and to have the queues and agents shared
> >     between
> >     >     the two
> >     >     >>> servers.
> >     >     >>> I googled all the day without results. I don't manage to
> see
> >     >     if i can
> >     >     >>> deal with agents like sip extensions.
> >     >     >>> Did anyone do a thing similar before?
> >     >     >>>
> >     >     >>> Regards
> >     >     >>>
> >     >     >>> Gaëtan Duchaussois, sorry if this mail is duplicated
> >     >     >>>
> >     >     >>>
> >     >     >>> _______________________________________________
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> >     >     >>
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> >     >     >>
> >     >     >>
> >     >     >> --
> >     >     >> Leandro
> >     >     >> _______________________________________________
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> >     >
> >     > --
> >     > Leandro
> >     >
> >
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> > --
>  > Leandro
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-- 
Leandro
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