Coursera also has a computer networks class - https://www.coursera.org/course/comnetworks https://www.coursera.org/course/comnetworks. It might be what you are

Coursera also has a computer networks class - https://www.coursera.org/course/comnetworks https://www.coursera.org/course/comnetworks. It might be what you are looking for. I checked it out briefly before. I think it's pretty good. For real time web apps, this stackoverflow post might help - http://stackoverflow.com/questions/11077857/what-are-long-polling-websockets-server-sent-events-sse-and-comet http://stackoverflow.com/questions/11077857/what-are-long-po....