Parallel processing system virtual connection method and apparatus with protection and flow control
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United States of America Patent
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Aug 29, 1995
Grant Date -
N/A
app pub date -
May 25, 1993
filing date -
May 25, 1993
priority date (Note) -
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Abstract
A parallel processing system virtual connection method and apparatus with protection and flow control is described. In accordance with the present invention, virtual connections between processor nodes are maintained through the use of connection tables. Each connection table is comprised of a plurality of connection table entries with each entry defining one end of a virtual connection between two processor nodes. Each connection table entry, in turn, comprises a data structure which stores data used to define the virtual connection. The passage of messages or data is accomplished through the use of the data structures within each connection entry in conjunction with message passing hardware in the node. User processes in the processor nodes interact directly with the message passing hardware, without the need to call the operating systems.
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