Router and IP-packet-transferring method
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United States of America Patent
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-
Apr 18, 2006
Issued Date -
N/A
app pub date -
Apr 30, 2001
filing date -
Dec 21, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
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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