<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:12pt"><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;">It's nice to see Asterisk redundancy being discussed. A year and half ago, when I posed the question of Asterisk redundancy, I was looked at like I was from outer space.<br><br><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;">----- Original Message ----<br>From: Jared Smith <jsmith@digium.com><br>To: Asterisk Users Mailing List - Non-Commercial Discussion <asterisk-users@lists.digium.com><br>Sent: Tuesday, September 25, 2007 7:27:37 AM<br>Subject: Re: [asterisk-users] Asterisk Redundancy<br><br><div>On Tue, 2007-09-25 at 15:59 +0200, Per Jessen wrote:<br>> I haven't looked into it in any detail, but how about the standard Linux<br>> HA solution with a heartbeat
monitor, a shared file-system and IP<br>> take-over? <br><br>It's been my experience that this usually works fairly well for<br>stateless protocols like HTTP, but doesn't do so well on stateful<br>protocols like SIP and IAX, and in general is a much more difficult<br>problem to solve.<br><br>Most people tend to use some combination of SIP proxies (such as SER and<br>OpenSER), DUNDi, shared storage, redundant databases with replication,<br>T1/E1 failover boxes, and horizontal scaling to make Asterisk more<br>highly-available. Of course, I haven't really gone into much detail<br>here, but hopefully it helps answer your question. (It's also my<br>personal experience that people who know how to build such solutions are<br>making enough money off of selling their solution that they aren't real<br>eager to give away all their secrets.)<br><br>In reality though, you say the word "cluster" and it means five<br>different things to five
different people. To really be able to answer<br>the original poster's question, we'd really have to know a lot more<br>about his architecture and his potential points of failure.<br><br>-- <br>Jared Smith<br>Community Relations Manager<br>Digium, Inc.<br><br><br>_______________________________________________<br><br>Sign up now for AstriCon 2007! September 25-28th. <a target="_blank" href="http://www.astricon.net/">http://www.astricon.net/</a> <br><br>--Bandwidth and Colocation Provided by <a target="_blank" href="http://www.api-digital.com">http://www.api-digital.com</a>--<br><br>asterisk-users mailing list<br>To UNSUBSCRIBE or update options visit:<br> <a target="_blank" href="http://lists.digium.com/mailman/listinfo/asterisk-users">http://lists.digium.com/mailman/listinfo/asterisk-users</a><br></div></div><br></div></div><br>
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