Router and IP-packet-transferring method

Details Router and IP-packet-transferring method Router and IP-packet-transferring method

2006-04-18

2006-04-18

Lee, Andrew C. (Department: 2663)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S400000

Reexamination Certificate

active

07031310

ABSTRACT:
In a router provided on a boundary between the Internet and an intranet and used for receiving an incoming first packet and then passing on the first packet to a destination router indicated by a destination address of the first packet, the router includes a decapsulation unit for carrying out a process of decapsulating the first packet into a second packet in the case of a predetermined address specified in the first packet as the destination address, and a first judgment unit for forming a judgment as to whether or not a user transmitting the first packet is an authorized user.

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