ATM switch flow control
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Feb 1, 2000
Grant Date -
N/A
app pub date -
Aug 28, 1997
filing date -
Aug 30, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A network of ATM routing switches transmits digital signal cells of a first type requiring integrity of transmission and a second type accepting some loss in transmission, each switch has buffer circuitry. a plurality of output ports each having a plurality of queues of cells awaiting output, each output port having control circuitry to provide in an output frame control bits indicating the type of cell, a path identifier and the existence of flow congestion at the routing switch which it outputting the frame, thereby inhibiting transmission of further frames to that location until a frame is received from that location indicating that the congestion is cleared.
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