[OpenSIPS-Users] Load Balancer module for REGISTER as well as INVITE?

Bogdan-Andrei Iancu bogdan at opensips.org
Wed Mar 20 13:50:36 CET 2013


Your script has a bit of a brutal approach on the routing :) , also it 
seems to contain really old syntax or functions - in current versions 
things can be done in a much simpler way ;).

See my previous email.

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com


On 03/19/2013 08:15 PM, Tuomas Kaikkonen wrote:
>
> This is a cleaned up opensips.m4 script for all my OpenSIPs servers. 
> The following are m4 macros defined in a create opensips cfg script:
>
[....] STRIPPED
>
> Tuomas Kaikkonen
>
> Software Developer | Twisted Pair Solutions
>
> 3131 Elliott Ave, Suite 200, Seattle, WA 98121
>
> Tel: (206) 812-0732
>
> *From:*Tuomas Kaikkonen
> *Sent:* Tuesday, March 19, 2013 10:43 AM
> *To:* 'Bogdan-Andrei Iancu'; OpenSIPS users mailling list
> *Subject:* RE: [OpenSIPS-Users] Load Balancer module for REGISTER as 
> well as INVITE?
>
> Bogdan,
>
> What I am trying to do is this:  Have two or more OpenSIPs servers 
> with each having their own rtpproxy server. The database is shared 
> over ssh tunnel so it looks to each server as they are using a local 
> database. The goal is to make the service scalable so that we can add 
> more OpenSIPs hosts as the need comes. Also we want to have the system 
> detect if a server has failed and not direct calls/registers to that 
> server. All the servers are in a cloud system (which does not provide 
> Multicast, only Unicast), and they will have both public IP and 
> internal IP associated with them. The problem with the shared database 
> is that the location table has the socket column storing the Internal 
> IP of the OpenSIPs server who did the REGISTER of the SIP client with. 
> I need to relay all INVITE/BYE/CANCEL requests via that server. I have 
> no UDP load balancer to balance the SIP requests, and having the RTP 
> Proxy proxy all audio packets is an extra burden to the design.  Our 
> clients register with only one SIP server, there is no configuration 
> to register with a primary and secondary SIP proxy.
>
> What we worry about is putting one OpenSIPs server acting as a load 
> balancer or dispatcher, is that we'd be then again dependent on one 
> OpenSIPs server. That dispatching / load balancing OpenSIPs server 
> should be also backed up by a fail over server. I've looked into some, 
> mostly academic, papers on how they did their load balancing and fail 
> over.
>
> Tuomas Kaikkonen
>
> Software Developer | Twisted Pair Solutions
>
> 3131 Elliott Ave, Suite 200, Seattle, WA 98121
>
> Tel: (206) 812-0732
>
> *From:*Bogdan-Andrei Iancu [mailto:bogdan at opensips.org] 
> <mailto:[mailto:bogdan at opensips.org]>
> *Sent:* Tuesday, March 19, 2013 8:01 AM
> *To:* OpenSIPS users mailling list
> *Cc:* Tuomas Kaikkonen
> *Subject:* Re: [OpenSIPS-Users] Load Balancer module for REGISTER as 
> well as INVITE?
>
> Hi Tuomas,
>
> The LB modules is only for CALLs - it understands by +1 load only a 
> call. You cannot use it for REGISTERs....Anyhow REGISTERs and INVITEs 
> are as apples and onions :)...so you cannot put them in the same basket.
>
> if you could provide more details on what you are trying to achieve, 
> maybe I can advice you on the best balancing option (like maybe using 
> dispatcher module)
>
> Regards,
>
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developer
> http://www.opensips-solutions.com
>
>
> On 03/18/2013 07:56 PM, Tuomas Kaikkonen wrote:
>
> Can the Load Balancer module be configured to balance REGISTERs as 
> well as the INVITES so that the above mentioned setup would work? OR 
> is the Load Balancer module just useful for balancing RTP Proxy / 
> media server resources for INVITEs?
>
> I'm new to the Load Balancer module of OpenSIPs. I am running OpenSIPs 
> stable branch 1.7 -- just by looking examples from the documentation 
> it looks like INVITE load balancing is supported.
>
> Tuomas Kaikkonen
>
>   
>   
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