Recovery path designing circuit, method and program thereof
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United States of America Patent
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Oct 19, 2004
Grant Date -
May 22, 2003
app pub date -
Nov 15, 2002
filing date -
Nov 16, 2001
priority date (Note) -
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Abstract
A recovery path designing circuit, a method and a program thereof capable of reducing necessary resources as much as possible when designing a recovery path in a pre-establishing-type failure-detected end switching system. The recovery path designing circuit comprises an optimization standard making means to set an objective function for minimizing a link cost, a recovery path forming condition generating means, a link capacity calculating condition generating means, an accommodating condition generating means, and an optimizing means to solve integer programming problems expressed by the objective function and constraint expressions generated by those means, thus obtaining an optimum recovery path.
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