Yes we tried XMPP at first but was way to complex for our needs. We use Orbited for comet. The backend chat server is custom and based on RabbitMQ. See our pro

Yes we tried XMPP at first but was way to complex for our needs. We use Orbited for comet. The backend chat server is custom and based on RabbitMQ. See our protocol on https://talker.tenderapp.com/faqs/api/talker-protocol https://talker.tenderapp.com/faqs/api/talker-protocol