Patent ID: 9251535
Filing Date: 2016-02-02
CPC Classification: G06Q,H04L,H04W

Claim Text:
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; storing the received packets in a packet buffer within the PFE; 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 on a recurring basis, 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; storing, by the PFE, the synthetic packets in the packet buffer; and responsive to determining a packet that was stored in the packet buffer 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.