Patent ID: 8509258
Filing Date: 2013-08-13
Classification: H04L

Abstract:
1. An integrated circuit device for use in a line card in a network node of a digital networking system, the network node further comprising an uplink card configured for receiving a plurality of data channels from a data server of the digital network system and providing the plurality of data channels to each of a plurality of line cards in the network node, wherein the integrated circuit device in communication with a processor is configured for intercepting one or more control messages from at least one customer premises equipment (CPE) device, the one or more control messages comprising one or more data channel requests that remain in the plurality of line cards without reaching the uplink card, receiving the plurality of data channels from the uplink card in advance of the data channel requests, providing the one or more requested data channels from at least one of the plurality of line cards to the at least one CPE device in response to the one or more control messages, and maintaining a table comprising a currently requested data channel for each of the at least one CPE devices.