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Computing Service Chain-Aware Paths

  • US 20150319078A1
  • Filed: 05/01/2015
  • Published: 11/05/2015
  • Est. Priority Date: 05/02/2014
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving, by a path computation element (PCE), a path computation request to compute a network path for a source-destination pair in a service chain (SC) network, wherein the path computation request comprises at least one network routing constraint and a service function (SF) input associated with a plurality of SFs;

    computing, by the PCE, a plurality of network paths through the network for the source-destination pair according to the network routing constraint;

    selecting, by the PCE, at least a first of the network paths according to the SF input; and

    sending, by the PCE, a path computation response indicating at least the first network path in response to the received path computation request.

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