Hello Jummy,
On 06/21/05 22:21, jimmy way wrote:
Hi Daniel-Constantin,
So, that means if I want to make SIP/SIMPLE working(providing presence/IM/file transfer service), I need only pa module on server.
there are two ways: - end-to-end - the clients handle the presence requests - the messages are sent from a client to another, the server just routes them. In this case you don't need the PA module. PA module is usefully for clients that do not have presence support implemented (like phones or adapters). MS Messenger has presence support implemented and you can see buddy's status. - client-server - here you need the PA, the clients subscribe to server and this informs the clients about user's status.
For file transfer it has to be end-to-end and you don't need PA at all.
And, can you tell me when will you release stable version of pa module in your sechedule?
The main developer of PA module is now Jamey Hicks. Perhaps when many users will use and test PA and they consider it stable, it will be released. we have no real application of PA at this moment and I cannot say a timeline.
Regards, Daniel
Regards, Jimway
--- Daniel-Constantin Mierla daniel@voice-system.ro wrote:
Hello,
On 06/21/05 13:34, jimmy way wrote:
Hi all, 1st question is does openser support Failover
and
load balance of openser server. That means we can
use
two or more openser server to handle the SIP request/response
there is a module named "dispatcher" that can be used to distribute the traffic. It does static distribution, does not count the load of a server.
and use hot backup. How to do that
There is no exlicit support for hot backup in openser/ser. You have to use third-party products to be able to switch between the active and backup servers. The two servers can be kept synchronized using t_replicate().
2nd question is that I find openser support both Jabber and SIMPLE.
No, it does not support Jabber/XMPP, just SIP and SIMPLE. It includes a Jabber-to-SIMPLE gateway which is able to translate from a protocol to another. The presence does not work, because presence support in openser/ser (pa module) in under heavy development and not released as stable. Also, the jabber module (the Jabber-to-SIMPLE gateway) was not tested with latest Jabber servers.
I have started long time ago to write a pure SIMPLE-to-XMPP gateway which will allow on-the-fly gatewaying, without authentication as it is now (the authentication is required so users can provide ICQ/MSN/AIM accounts to get from SIMPLE to that IM network via Jaber). If someone wants to take over, I can give some help at the beginning.
It look like Jabber is stable and support and many people from open source world,
many
plus GOOGLE.
Jabber is also a bit older than SIMPLE and it was designed for instant messaging and presence.
But SIMPLE is still unstable.
SIMPLE is just an extension for SIP to enable instant messaging and presence, so it carries the design of VoIP.
I want to use Jabber for providing presence/IM service, plus file transfer service.(I want to using reSIProcate stack from sipfoundry as client's stack) Does
openser
support that all?
OpenSER can interwork with any SIP-compliant entity
And which is better, Jabber or SIMPLE?
With VoIP gaining more and more supporters, SIMPLE may be a winning card, but I think will take some time to have mature implementations at least for presence. As I see things evolving at IETF, the format to carry presence information is going to be unified (if not yet) and SIP/SIMPLE or XMPP will be carrier protocols. Also, XMPP started to develop extensions for VoIP :) ...
Regards, Daniel
Regards, Jimway
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