[asterisk-users] load balance with 2 wan connections

[Dave George]

Server will have two fix public ips.



Dave 

> -------- Original Message --------
> Subject: Re: [asterisk-users] load balance with 2 wan connections
> From: Alejandro Imass <ait at p2ee.org>
> Date: Sat, December 25, 2010 1:58 pm
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> <asterisk-users at lists.digium.com>
> 
> On Sat, Dec 25, 2010 at 1:18 PM, dave george <dgeorge at teletoneinc.com> wrote:
> > Need some advise or paid help on running asterisk on two WAN connection.  I
> > need load balancing and failover support.
> >
> > WAN: 1 DSL + 1 Cable ISP.
> >
> 
> There are _many_ issues. First outgoing and incoming traffic is
> completely different for what you want to do.
> 
> Second SIP is hard enough to NAT and route with a single IP let alone
> 2 or more and probably dynamic!
> 
> Third, load balancing/fail-over is not a simple matter even doing by
> hand with Linux or BSD, there will still be issues with static routing
> and such. There are some cheap hw that may claim it does, but most
> probably it will not be meant for VoIP, SIP or IAX.
> 
> Depending on your budget and needs, if you need reliability and high
> bandwidth, probably a better solution is to host your main pbx in a
> reliable server on a fixed and public IP and then route the calls to a
> local Asterisk using IAX and even SIP.  If local bandwidth is limited
> IAX is a better bet. By having a public box routing calls to local
> box(es) on your private LAN, you could load balance with multiple
> local Asterisk servers (easy balance by dialplan, for example). To
> save on hardware, you could use virtualization or FreeBSD Jails for
> example. Dunno how the telephony hw works with virtualization or jails
> (yet, thoug I do have a single Asterisk running on a FBSD jail).
> 
> Good luck,
> Alejandro Imass
> 
> >
> > Dave
> >
> >
> > --
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>                http://www.asterisk.org/hello
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