Cable modem interface unit for capturing and processing incoming

Details Cable modem interface unit for capturing and processing incoming Cable modem interface unit for capturing and processing incoming

1996-12-13

1998-09-15

Pan, Daniel H.

Multiplex communications

Wide area network

Packet switching

370469, 370420, 379 9331, G06F 1342, G06F 1516

Patent

active

058092528

ABSTRACT:
A cable modem interface unit is positioned between a cable modem and a network driver interface layer. The cable modem receives packets from a packet source. The interface unit includes a control packet filter coupled to the modem. The control packet filter receives a packet from the cable modem and determines whether the packet is a control packet or a data packet. The interface unit further includes a receive unit coupled to the control packet and the network driver interface layer. If the control packet filter determines that the packet is a data packet, the receive unit receives the packet from the control packet filter and sends the packet to the network driver interface layer. The interface unit further includes a protocol handler coupled to the receive unit. If the control packet filter determines that the packet is a control packet, the protocol handler receives the packet from the control packet filter.

REFERENCES:
patent: 4592048 (1986-05-01), Beckner et al.
patent: 5220560 (1993-06-01), Ogasawara
patent: 5666362 (1997-09-01), Chen et al.

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