JPPF is a computational grid framework for Java focused on performance and ease of use. It provides a set of tools and APIs to enable the parallelization of CPU intensive applications, and distribute their execution over a network of heterogenous nodes. It features platform independence thanks to Java 1.5, does not require you to deploy your application classes to a server, scales up to millions of nodes, has a built-in fail-over mechanism on all the framework's components, and has a monitoring and administration GUI tool to enable remote monitoring of the server health and server shutdown/restart operations. License: The Apache License 2.0 Changes: A powerful new feature allows users to specify on which nodes a set of tasks can be executed, by applying an execution policy against the nodes. JPPF can now use alternate serialization schemes, allowing the use of non-serializable classes and 3rd-party libraries. An new integration sample demonstrates how to integrate the JPPF J2SE client into a Servlet/JSP container such as Apache Tomcat 5.5 or 6.0. Clear initialization messages were added to the JPPF server and node components. A major upgrade of the communication framework brings increased performance and a smaller memory footprint.

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