Notification System

[eluser]Unknown[/eluser]
Hi everyone,

I’m working on an ERP web system using codeigniter and I have been stuck for a while thinking about the notification system. What I basically want to do is to get a (close to real time) notification alert if I am connected user in the system and another user posts a message in a forum which I’m related to.

There is the option of having some code that checks with the database continuously if a new message has been added since the last time the my user checked for messages but I think this option is not scalable to systems with many users connected concurrently.

I have been reading a lot about comet, ape and node.js but I haven’t been able to integrate these technologies to my CI application. Could anybody give me suggestions about how can I achieve my goal, suggest any tutorial or name technologies I could use to carry this out?

Thanks in advance.

Regards

[eluser]toopay[/eluser]
I used ExtJS (Javascript Framework) for any fancy stuff. Take a look at Direct Generic Remoting at their demo, you may learn something from that.