Method for provisioning circuits on multiple parallel links with a single setup message
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United States of America Patent
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May 13, 2014
Grant Date -
Nov 29, 2012
app pub date -
Aug 10, 2012
filing date -
Aug 31, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and system for provisioning circuits on multiple parallel links with a single setup message is disclosed. A setup message specifying links in a circuit path is transmitted to switches along the circuit path. If a switch determines that a link specified in the setup message has insufficient bandwidth for the circuit, the switch substitutes a parallel link having sufficient bandwidth for the specified link in the circuit path. The setup message can indicate whether substitution for a link is permitted. This can be used to prevent substitution for links when provisioning service routes for new circuits in order to maintain diversity requirements, while allowing substitution for links when provisioning restoration routes for failed circuits in order to reduce restoration time.
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