Using Tomcat-Native with Comet/Asynch call in Servlet 3.0

Browsers and web servers are standards and the need for instantaneous data exchange has grown. AJAX for example allows web clients to communicate "asynchronously" with remote web servers.

Comet is a Tomcat feature that goes beyond AJAX and allow real asynchronous unidirectional and bi-directional connections between client and server using the HTTPprotocol and Servlets.

Servlet 3.0 SPEC's are also providing asynchronous calls see what is possible do with them.

Tomcat-Native is a Tomcat sub-project that provides a non-blocking and very efficient SSL connections.
Tomcat-Native relies on the APR (Apache Portable Runtime) for Socket input/output and use OpenSSL to make the cryptographic layers.
Comparison of the performance of Tomcat, Tomcat + APR and httpd.