Protocol parallel processing apparatus having a plurality of CPUs allocated to process hierarchical protocols
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United States of America Patent
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Dec 31, 1996
Issued Date -
N/A
app pub date -
Mar 6, 1995
filing date -
Jul 25, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A protocol processing apparatus is presented having a plurality of CPUs for processing communication protocol data in parallel so as to achieve a high measure of efficiency. The apparatus provides a common memory including a CPU state table that is accessible by the plurality of CPUs. The CPU state table associates an idle flag, a remote node identifier, and a process start time with each of the plurality of CPUs. At least one line interface selects a CPU from the plurality of CPUs according to the contents of the CPU state table, selecting an idle CPU if one is available, selecting a CPU with the oldest process start time if no idle CPU is available, or selecting a busy CPU if the communication data to be processed is related to communication data already running on the busy CPU.
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