I have an iOS chat app like Whatsapp. The chat is running well with XMPP protocol. The app has other functionalities, and has an APNS service running well with them. For the client I'm working with...

Does anyone have an experience running clustered Tigase XMPP servers on Amazon's EC2, primarily I wish to know about anything that might trip me up that is non-obvious. (For example apparently runn...

I've been looking at these too, both seem to provide fully functional XMPP servers in Java. I know Tigase is designed in a very modular way, not looked at Openfire in as much detail yet. My intend...