Digital computer for determining a combined tag value from tag values selectively incremented and decremented reflecting the number of messages transmitted and not received

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United States of America Patent

PATENT NO 5680550
SERIAL NO

08388031

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Abstract

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A digital computer includes a plurality of processing elements, a command processor, a diagnostic processor and a communications network. The processing elements each performs data processing and data communications operations in connection with commands. The processing elements also performing diagnostic operations in response to diagnostic operation requests and providing diagnostic results in response thereto. The command processor generates commands for the processing elements, and also performs diagnostic operations in response to diagnostic operation requests and providing diagnostic results in response thereto. The diagnostic processor generates diagnostic requests. The communication network includes three elements, including a data router, a control network and a diagnostic network. The data router is connected to the processing elements for facilitating the transfer of data among them during a data communications operation. The control network is connected to the processing elements and the command processor for transferring commands from the command processor to the processing elements. The diagnostic network connected to the processing elements, the command processor and the diagnostic processor for transferring diagnostic requests from the diagnostic processor to the processing elements and the command processor and for transferring diagnostic results from the processing elements and the command processor to the diagnostic processor.

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Patent Owner(s)

Patent OwnerAddress
THINKING MACHINES CORPORATION14 CROSBY DRIVE BEDFORD MA 01730

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Douglas, David C Concord, MA 36 1475
Feynman, Carl R Acton, MA 4 221
Hillis, W Daniel Cambridge, MA 503 14393
Kuszmaul, Bradley C Waltham, MA 21 988
Leiserson, Charles E Winchester, MA 22 1754
Yang, Shaw-Wen Concord, MA 9 547

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