Hi Ashley,<br><br>A very simple HA solution can be achieved by using SRV. But according to your email, the solution that comes to my mind is the following:<br><br>PSTN Gw --> OpenSIPs stateless w/ dispatcher module --> many FS boxes<br>
<br>And if you want a balanced distribution of the calls, you can write a piece of code to keep statistics of your active sessions in a db. Each time a call arrives to a FS box, you trigger your piece of code to store a session record in a db and when the call ends you update the statistics in the db.<br>
This way, OpenSIPs can ask this db before making the decision where to route an incoming call.<br>Fail over? If OpenSIPs gets a time out, just try with the next FS box.<br>I hope it helps you.<br><br>Pablo<br><br><div class="gmail_quote">
2009/4/2 Ashley van Gerven <span dir="ltr"><<a href="mailto:ashley.ohq@gmail.com">ashley.ohq@gmail.com</a>></span><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Hi,<br><br>I can't find much info on setting up a redundant or heavy load FreeSwitch implementation. Are there any <br>links apart from: <a href="http://wiki.freeswitch.org/wiki/Enterprise_deployment" target="_blank">http://wiki.freeswitch.org/wiki/Enterprise_deployment</a> ?<br>
<br>I imagine the entry level solution is to have two FS boxes configured identitcally, with <br>redundant SBC software (recommendations?) in front, passing the calls to the primary FS box,<br>or the backup FS box if the primary is not responding. Is that the easiest solution?<br>
<br>What about a situation of having a level of concurrent calls beyond what one FS box can handle? I realise<br>that would be a very large number of concurrent calls, but we would need a good plan on how to scale the <br>
systems.<br><br>Are there recommendations for load balancing solutions? Either soft or hardware?<br><br>My guess would be having 3 + 1 spare FS servers would work, where calls are distributed accross 3 FS boxes<br>by a load balancer with one spare in event of failure.<br>
<br>Also how would a FS box at max capacity behave? Does FS monitor available resources and reject the <br>excess calls that it can't handle? Or would the load balancer have to be configured with the maximum number<br>
of calls per box?<br><br>Would love to hear some experiences of deploying FS with failover & high load.<br><br><br>Thanks<br>Ash<br><br>
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