As browsers and web servers have become de facto standards, the need for instantaneous data exchange has grown. AJAX was one of the responses for a web client to efficiently communicate asynchronously in the background with a remote web server. Tomcat 6.0 has gone beyond AJAX and implemented a new feature called Comet, allowing for both asynchronous uni- and bi-directional communication between client and server while still leveraging the HTTP protocol and Java Servlets. The Comet technique has also been nicknamed "Zero Latency HTTP" as it circumvents the overhead by the traditional request/response methodology that the protocol implies.
Categories: Java,New Technologies,Web Services