Enhanced efficiency Batcher-Banyan packet switch
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United States of America Patent
Stats
-
Aug 2, 1988
Grant Date -
N/A
app pub date -
Dec 22, 1986
filing date -
Dec 22, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mechanism is disclosed for resolving conflicts between input ports of a Batcher-Banyan Packet switching network that wish to transmit data packets to the same output port during a particular packet switch cycle. The input ports of the Batcher-Banyon network are connected in a serial ring. Bit positions on the ring represent output ports. Each input port having a data packet to transmit to a particular output port may reserve that output port before the start of the next Batcher-Banyan packet switch cycle by writing a '1' in the ring bit position corresponding to the output port to which the data packet is addressed. If the particular output port has already been reserved by another input port, the data packet is buffered.
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