Comet and Reverse Ajax The Next-Generation Ajax 2.0 /

• Main Authors: Crane, Dave (Author), McCarthy, Phil (Author)
• Corporate Author: SpringerLink (Online service)
• Format: Electronic eBook
• Language: English
• Published: Berkeley, CA : Apress, 2009.
• Subjects: Computer science.; Computer Science.; Computer Science, general.

One of the most basic laws of a web application is that the client, not the server, must initiate any communication between the two. There are a number of common–use cases where, ideally, the server would like to talk to the client—dashboards and monitoring apps, chat rooms and other collaborations,...

Table of Contents:

• What is Comet?
• The trouble with HTTP
• Some Common Use Cases
• How to Achieve Push.-Polling
• Piggy-backing
• Comet
• Raw Sockets
• Comparison & Evaluation
• Worked Example : Magnetic Poetry.-Issues & Techniques
• The two-request limit
• Pub-sub and server architectures
• Continuations versus naive Comet
• Implementations of Comet
• Cometd & Bayeux
• Reverse Ajax in DWR
• DWR worked example.