ATM cross-connect node utilizing two passes through the connection network with shaping between passes for optimal resource allocation in a bursty environment
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United States of America Patent
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Sep 17, 1996
Grant Date -
N/A
app pub date -
Jul 19, 1995
filing date -
Jul 26, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A flow of ATM cells to be cross-connected performs two consecutive passes through the connection network (PX) of a node. In the first pass the virtual channels of the input virtual paths (A, B, C) are distributed among intermediate virtual channel bundles (A' . . . C'') each with an overall peak bandwidth equal to that of the virtual path of origin of its contributing channels; between the first and the second pass, the virtual channels are cross-connected and the related cells are temporarily memorized, and at the same time the cell flow to be associated to an output virtual path is shaped; and in the second pass the virtual paths are cross-connected, Temporary memorization and shaping are accomplished in a device (SMS) connected between the outputs and the inputs of the connection network (PX) of the node.
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