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Exchanging Application Metadata for Application Context Aware Service Insertion in Service Function Chain

  • US 20160352629A1
  • Filed: 05/29/2015
  • Published: 12/01/2016
  • Est. Priority Date: 05/29/2015
  • Status: Active Grant
First Claim
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1. A method implemented by a network element (NE), comprising:

  • receiving a classification message comprising;

    a classification rule for identifying a service function chain (SFC) in a network, wherein the SFC comprises an ordered set of service functions (SFs) that provides services to an application; and

    a dynamic application-specific contextual data associated with an operation of the application;

    receiving a first of a plurality of application data packets;

    determining that the first of the application data packets matches the classification rule;

    generating, when the first of the application data packets matches the classification rule, a first SFC packet by adding the dynamic application-specific contextual data to the first of the application data packets according to the classification rule to enable communication of the dynamic application-specific contextual data to at least one of the SFs in the SFC; and

    sending the first SFC packet towards a next NE according to an SF path in the network associated with the SFC.

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