[Asterisk-Users] Re: load balancing 20 asterisk servers

Matthew Boehm mboehm at cytelcom.com
Wed Feb 2 20:20:16 MST 2005


I'm trying to stay away from a software based load balancer cause what
happens if that server fails?
Its far less likely for a piece of dedicated hardware to fail than an actual
computer.

-Matthew

----- Original Message ----- 
From: "Kyle Loree" <asterisk at loree.ca>
To: "Asterisk Users Mailing List - Non-Commercial Discussion"
<asterisk-users at lists.digium.com>
Sent: Wednesday, February 02, 2005 5:54 PM
Subject: Re: [Asterisk-Users] Re: load balancing 20 asterisk servers


>
> How about a management server that polls the asterisk servers every
> minute with snmp to check cpu and ram cache, maybe even drive space.
> Then you could have a script decide whether the server can handle
> anymore connections.
>
> I am still a beginner so I am not sure how you could have asterisk
> delegate calls to other servers.
> would a redirect transfer remove the management server from the loop?
>
> using loadbalancer?
> http://www.vovida.org/applications/downloads/loadbalancer/
>
> these are just ideas I am tossing out here for you.
>
> Kyle
>
> On Feb 2, 2005, at 4:38 PM, Jens Vagelpohl wrote:
>
> > Operating systems and probably a lot of devices *cache* the results of
> > DNS lookups. That means removing A records won't do any good.
> >
> > Short story: No matter what network service is being balanced, if you
> > want to guard against failure and against customers noticing that
> > failure use a real load balancing solution, DDNS is not suitable.
> >
> > jens
>
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