Method for allocating protection bandwidth in a telecommunications mesh network
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United States of America Patent
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Dec 11, 2007
Grant Date -
N/A
app pub date -
May 16, 2002
filing date -
May 16, 2001
priority date (Note) -
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Abstract
A telecommunications mesh network includes a plurality of nodes each interconnected by an edge. A traffic demand is received having a working path with a link of edges interconnecting a source node with a destination node. The telecommunications mesh network has one or more pre-cross-connected trails associated therewith that are subdivided into one or more subtrails. Subtrails that do not meet pre-determined conditions are discarded. A logical graph representation of the telecommunications mesh network is created from subtrails that have not been discarded. Unused, shortcut, and rival edges are inserted into the logical graph. A shortest admissible protection path from the source node to the destination node is identified from the logical graph.
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