Network routing systems and methods for validation of paths subsequent to validation failure
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United States of America Patent
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Jan 12, 2016
Grant Date -
Nov 19, 2015
app pub date -
Jun 27, 2014
filing date -
May 16, 2014
priority date (Note) -
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Abstract
A method, a network, and a node include computing a path by a source node; sending a message to nodes in the path with associated validation criteria; locally checking the validation criteria at each of the nodes in the path; if the validation criteria is satisfied at the node, forwarding the message to the next node in the path; else there is a validation criteria failure at the node, appending feedback data to the message, converting the message to a validation message, and forwarding the validation message to the next node in the path; and at a destination node, if there are no validation criteria failures, then establishing the connection; else issuing a release message to the source node with all the feedback such that the source node can compute a new path exclusive of nodes where the validation criteria fails.
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