Comet and Reverse Ajax: The Next-Generation Ajax 2.0

by Dave Crane and Phil McCarthy

This is a small book about a big subject.

As a technology, Ajax was small enough to be described in a few sentences, but it catalyzed huge changes in how we use web technologies (and communities, and business models). The full ramifications of those changes are still unfolding.

And in the middle of this change and upheaval, along comes Comet. Comet, simply put, allows you to send information from the server to the browser without the browser having to ask for it first. That's it—simple and itself very catalytic! Comet is still in its early days, but we believe that it's going to have a big impact on the way the Web unfolds over the next few years.

We're lucky enough ...