Packet forwarding device

Details Packet forwarding device Packet forwarding device

2008-08-04

2011-10-18

Park, Jung (Department: 2465)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S400000, C455S552100

Reexamination Certificate

active

08040889

ABSTRACT:
A power-saving packet forwarding device realizing electric power that accords to the number of lines in which communication is performed and a traffic volume inputted from the lines. A header processing unit with which the packet forwarding device is equipped has a plurality of packet processing circuits for performing a packet processing. A line number decision circuit monitors the number of lines in which communication is performed and a traffic volume inputted from the line, and decides presence or absence of an operation of a packet processing circuit. Based on this decision result, a power supply and a clock of the packet processing circuit that does not need to operate are interrupted, and accordingly power saving of the packet forwarding device is realized.

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