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Devices and method for guaranteeing quality of service per service data flow through the bearer layer

  • US 9,872,184 B2
  • Filed: 07/06/2016
  • Issued: 01/16/2018
  • Est. Priority Date: 06/02/2006
  • Status: Active Grant
First Claim
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1. A network gateway with a Policing and Charging Enforcement Function (PCEF) in charge of service data flow (SDF) detection, policing enforcement, charging functionality and detection of events in a bearer layer, the bearer layer bearing several SDFs, each SDF including at least one Internet Protocol (IP) flow, the network gateway with the PCEF comprising:

  • an input unit configured to receive SDF filters, for SDF detection, and events to be notified on an SDF basis, from a Policing and Charging Rules Function (PCRF) device which is in charge of providing network control for SDF detection;

    an input/output unit configured to transport IP flows in the bearer layer through the network gateway with the PCEF;

    a filter configured to inspect the IP flows and, by using the SDF filters, configured to inspect an individual SDF;

    an event detector configured to detect an event occurred in the bearer layer for the individual SDF inspected; and

    an output unit configured to notify the PCRF device of the event detected for the individual SDF.

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