Method for discovery and load balancing of path computation elements based on transport plane link metrics
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United States of America Patent
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Jun 30, 2015
Grant Date -
Apr 25, 2013
app pub date -
Oct 24, 2011
filing date -
Oct 24, 2011
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Abstract
A method and system for path computation in a communications network having multiple domains are disclosed. According to one aspect, a method of path computation across multiple domains includes identifying a plurality of border nodes at borders of a plurality of domains, each domain having at least one border node. The method includes providing a path computation element at each of the plurality of border nodes of the domains of the network. The locations of the path computation elements are known to be at the border nodes prior to determining a path in response to a path computation request.
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