Smart stub or enterprise javaTM bean in a distributed processing system
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United States of America Patent
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Jun 17, 2003
Grant Date -
N/A
app pub date -
Sep 23, 1999
filing date -
Nov 5, 1998
priority date (Note) -
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Abstract
A clustered enterprise Java.TM. distributed processing system is provided. The distributed processing system includes a first and a second computer coupled to a communication medium. The first computer includes a Java.TM. virtual machine (JVM) and kernel software layer for transferring messages, including a remote Java.TM. virtual machine (RJVM). The second computer includes a JVM and a kernel software layer having a RJVM. Messages are passed from a RJVM to the JVM in one computer to the JVM and RJVM in the second computer. Messages may be forwarded through an intermediate server or rerouted after a network reconfiguration. Each computer includes a Smart stub having a replica handler, including a load balancing software component and a failover software component. Each computer includes a duplicated service naming tree for storing a pool of Smart stubs at a node. The computers may be programmed in a stateless, stateless factory, or a stateful programming model. The clustered enterprise Java.TM. distributed processing system allows for enhanced scalability and fault tolerance.
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