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Offload of data transfer statistics from a mobile access gateway

  • US 9,813,345 B1
  • Filed: 02/01/2016
  • Issued: 11/07/2017
  • Est. Priority Date: 01/05/2012
  • Status: Expired due to Fees
First Claim
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1. A method for offloading a data transfer statistic from a packet forwarding engine (PFE) forming part of a forwarding unit in a mobile access gateway, the method comprising:

  • receiving, at the forwarding unit of the mobile access gateway, packets associated with a subscriber session for a subscriber;

    updating, by the PFE, the data transfer statistic based on quantities of data in the received packets, the data transfer statistic stored in a memory within the PFE;

    generating, by the mobile access gateway, synthetic packets, the synthetic packets having a packet type different than packet types of any packets received by the forwarding unit from a content access network or a packet data network; and

    responsive to determining a packet is a synthetic packet, performing, by the PFE, a callout operation to push the data transfer statistic from the memory of the PFE to a memory of the forwarding unit, the memory of the forwarding unit being separate from the memory within the PFE.

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