agilityfeat

I enjoyed this post too - if you don't mind I plan to link to it from next week's RealTimeWeekly.com. Thanks for writing it!

Anything that allows two browsers to communicate directly with each other without the user intervening can be called a real-time web framework. Examples include WebSockets, the WebRTC DataChannel, publish/subscribe networks, paid services like PubNub or Kaazing, etc.