Communication process and switching element for carrying out this process
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United States of America Patent
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May 11, 1993
Grant Date -
N/A
app pub date -
Oct 31, 1990
filing date -
May 28, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Communication system and switching element used therein. To detect and remove partly established paths, a path release explorer packet is periodically transmitted from an outside node on established paths and each time it arrives in a node a check is made whether this node is a dead end for all directions. In the affirmative a path release packet is transmitted to a preceding node to possibly release the path to the dead end node. The switching element used in each node includes a first switching bus (TB, TM) to interconnect input ports (RX1/8) to output ports (TX1/8). One of these output ports (TX9) is connected to a second switching bus (SB) which has access to all input ports.
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