Circuit switching system for interconnecting logical links between packet switching networks
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United States of America Patent
Stats
-
May 7, 1991
Issued Date -
N/A
app pub date -
Jun 26, 1990
filing date -
Dec 28, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A circuit switching system for interconnecting end point systems, such as packet switches, compressed voice concentrators, or data multiplexers, by allowing multiple logical links on each logical channel. The circuit switching system is connected to the end point system by a number of communication facilities with each facility having a plurality of logical channels. For packet switches, the circuit switching system is responsive to a first request to establish a first logical link on a logical channel to a packet switch and is responsive to a second request for another logical link to that packet switch to establish a second logical link on the same logical channel. The circuit switching system is responsive to a third request for establishing a logical link to another packet switch on the same logical channel for denying this request and for negotiating another logical channel.
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