I have used opensips for load balancing and some border proxy+ NAT+rtpproxy in past and am quite happy with it. Recently I decided to add DB operations (Auth and accounting, routing and dialog into it so that heavy lifting of VOIP network can be given to opensips. I wanted to send call to PBX only when it is really needed (Like voicemail and conference etc)
But in a long time I saw this article http://www.opensips.org/Documentation/TroubleShooting-FindPerfPb As per this tutorial I think if any DB operation is slow, it will hit overall performance (I mean the transactions which do not require DB can also be stuck). I know good engineers at openisps have already figured it out and working on 2.X version but looks like it will take a while so that I can give it a try (As dialog is not in current release). With 1.X series + DB auth/acc + dialog should I reconsider my approach or there are systems running successfully and I am just being paranoid? John
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