Method and system for path protection in a communications network
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United States of America Patent
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N/A
Issued Date -
Nov 25, 2004
app pub date -
Jun 28, 2004
filing date -
May 15, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Restoration of a failed link on a network is achieved by reserving a portion of the transmission bandwidth for at least some of the links connecting nodes of the network. The reserved portion of the transmission bandwidth is used for the transmission of traffic diverted from a failed link to provide a restoration path for that diverted traffic thereby enabling a protection path to be determined dynamically. The reserved portion is preferably configured in a block so that contiguous concatenated payloads can be transmitted across the protection bandwidth.
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