Router apparatus using ATM switch

Details Router apparatus using ATM switch Router apparatus using ATM switch

Filed on

2005-12-27

Date issued

2005-12-27

Examiner

Vanderpuye, Kenneth (Department: 2661)

Patent Class

Multiplex communications

SubClass

Pathfinding or routing

SubSubClass

Switching a message which includes an address header

Other Related Categories

C370S401000, C370S466000

Type

Reexamination Certificate

Status

active

Patent number

06980553

Description

ABSTRACT:
A router apparatus5is provided with an ATM switch, an IP controller for performing routing control as a controller for layer3, plural kinds of interfaces which are individually provided to plural transmission paths in which various communications are performed, and a cell multiplexing/demultiplexing unit, and manages the cell communications between respective parts on the basis of identification information. The input packet is subjected to IP processing in an interface to be converted to a cell in a common format, and the cell is serially multiplexed with a cell from another interface on a cell basis, and transmitted to the ATM switch at the cell multiplexing/demultiplexing unit. Each interface and each cell multiplexing/demultiplexing unit sets and switches the identification information for the header portion of the packet and the cell to be communicated by using a table in which the corresponding relationship of the identification information is registered.

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