Multiprocessor multisystem communications network
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United States of America Patent
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-
May 5, 1987
Issued Date -
N/A
app pub date -
Oct 14, 1983
filing date -
Oct 28, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A plurality of multiprocessor systems is arranged in a high speed network to allow any processor in one system to communicate with any processor in another system. The network may be configured as a multi-node dual bidirectional ring having a multiprocessor system at each node. Packets of information may be passed around the ring in either of two directions and are temporarily stored in buffer memory locations dedicated to a selected destination processor in a selected direction between each successive transfer between neighboring nodes. The buffer locations are managed so that a node can request an adjacent node to stop transmitting packets if the buffer is becoming full from that direction and request resumption of transmission of packets as the buffer empties.
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