Hi Andres,
I've been playing with the same idea at one point. I think I concluded that
using mediaproxy, SRV and different domains for the user groups
part1.domain.com,
part2.domain.com etc would be the easiest. However, if you
want to be able to descretely assign a user to a given proxy on some
criteria, that wouldn't work.
Hacking rtpproxy to be able to take a parameter to
force_rtp_proxy("which_proxy"); would probably be quite simple. However, if
you want the cvs head load balancing/failover, you also need the concept of
a group. I've heard rumours that Maxim has stopped development on rtpproxy
(certainly haven't seen him on the lists lately), so maybe rtpproxy needs a
new maintainer ;-)
g-)
----- Original Message -----
From: "Andres" <andres(a)telesip.net>
To: "sip" <sip(a)arcdiv.com>
Cc: <serusers(a)lists.iptel.org>
Sent: Sunday, October 09, 2005 12:19 AM
Subject: Re: [Serusers] Asigning a Subscriber to a Specific rtpproxy
The idea here is not to load balance or distribute
media streams using SRV
records. I do know mediaproxy supports that. But the idea is that if we
have 1000 users at ISP A, we might decide to collocate a server (with
rtpproxy or mediaproxy) with them so we can guarantee latencies of under
10ms.
We are not talking about guess work here. This is about a carefully
designed plan, hand-to-hand with the ISP(s) in question. So what we need
to figure out is how can our 1000 users at ISP #1 use MEDIAPROXY #1, 1000
users at ISP #2, use MEDIAPROXY #2, and so forth.
If it can't be done then certainly splitting up the users into different
SER servers can do the trick, but we wanted to ask around first.
Thanks,
Andres.
sip wrote:
I can't think of a way to do that with
RTPProxy offhand, but Mediaproxy is
designed specifically for that sort of thing using DNS srv records and the
like to distribute proxy loads.
Geographic distribution, however, isn't as impotant as some sort of
least-cost-routing concept... the idea being that even if I have a proxy
server in the room next to me, if it's connected via a network segment
that's
overall slower or has more hops than the server across town, then the one
across town is going to be the better server for my needs.
N.
On Sat, 08 Oct 2005 10:45:34 -0400, Andres wrote
Hi,
Can anybody think of a way to assign a subscriber's call to a specific
rtpproxy? The idea is to have one main SER server but multiple rtpproxy
servers handling the media stream close to where the subs are. The SER
server can be a continent away but the rtpproxy is in the same city as
the users. I was thinking of using ACL (groups) somehow but not sure if
it is at all possible.
Any ideas?
Thanks,
--
Andres
Network Admin
http://www.telesip.net
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