Project tornado by facebook is really a a gr8 contribution

Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado can scale to tens of thousands of open connections, making it ideal for long pollingWebSockets, and other applications that require a long-lived connection to each user.Image

whenever u need to pass on to hundreds of clients at once no need to get request this follows a push mechanism,and as it is built on python is pretty fast too.Check it out on developers.facebook. com /opensource