Trill shortest path first implementation
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United States of America Patent
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May 19, 2015
Grant Date -
Apr 10, 2014
app pub date -
Nov 4, 2013
filing date -
Oct 8, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A shortest path first (SPF) computation in a distributed network may be performed efficiently by performing the SPF computation in stages. Rather than perform a new SPF computation every time a change occurs affecting a link state within the distributed network, a routing protocol may identify the change and determine if the impact to the link state necessarily needs the new SPF computation. For example, a predetermined list of events may identify changes that may not necessarily impact the SPF value(s) currently associated with the distributed network. Embodiments disclosed may avoid computation of the new SPF for changes to the link state thus managing network system resources more efficiently.
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