Importance

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Abstract

A computer based message passing system and method provides reliable, versatile, portable and robust data communication between processes. The message passing system and method is adapted for use with one or more computers for controlling the message passing system and method. The message passing system and method includes a shared memory area in which data regarding the status and location of application processes and computers are stored. Any intelligent subsystem participating in the message passing system and method can query the shared memory for information. One subsystem monitors the location and status of application processes and updates the shared memory area as needed. Another subsystem routes messages from one process to another, and ensures that the messages are delivered properly. A mailbox feature is provided to hold messages in cases in which a destination process is not able to receive the message at the time delivered. The message passing system and method, in its software embodiment, includes five subroutines and four utilities.

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First Claim