Determination and use of link performance measures
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United States of America Patent
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Apr 28, 2020
Grant Date -
Jul 28, 2016
app pub date -
Aug 29, 2014
filing date -
Aug 30, 2013
priority date (Note) -
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Abstract
Methods and apparatus for determining and using link performance measures (DL, CL) in respect of communication links (125) in a cata communication network (100) are disclosed, where the network comprises a plurality of data-forwarding nodes (120) each capable of forwarding data along a plurality of communication links (125). Link performance measures (DL, CL) are determined in dependence on end-to-end path performance measures (Es,u) received in respect of a plurality of end-to-end paths having at least one link in common, and on the basis of route information (Rs,u) identifying the links of which those end-to-end paths are comprised. Methods are disclosed for using link performance measures in relation to decisions regarding the routing and/or re-routing of data in a network, and in relation to determining measures indicative of expected quality of experience in respect of data traversing end-to-end paths across a network.
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