Reverse Ajax) provides a mechanism to allow this. Comet is quite complex to implement. But this, practical hands? In the book makes you go. In Part 1 of this book, we begin by examining the case of use, and look at simple alternatives to Comet and how far they can meet your needs. With this book, to be part of the next generation, Ajax 2.0. What are you? 'll Learn Find out what Comet is and the trouble with HTTP. Explore some common use cases and examples that work on magnetic poetry?.? implementation of the use of Comet, including Cometd / Bayeaux, Reverse Ajax in DWR, and more. This title firstPress for Ajax developers who are interested in Comet / Reverse Ajax, the key to the next generation Ajax 2.0.