HOME AGENT DUPLICATION METHOD AND APPARATUS THEREOF

HOME AGENT DUPLICATION METHOD AND APPARATUS THEREOF

PROBLEM TO BE SOLVED: To provide a home agent duplication method without the need for adding expensive hardware and expensive software and without cost increase and to provide an apparatus thereof. SOLUTION: In the home agent duplication method wherein a home agent including an address correspondenc...

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Hauptverfasser: SETO KOJIRO, TAKEZAKI JUNJI, NAGAKI MAKOTO, SAKURAI YAMATO, AKITA KENICHI, NAKAMORI FUTOSHI
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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creator SETO KOJIRO
TAKEZAKI JUNJI
NAGAKI MAKOTO
SAKURAI YAMATO
AKITA KENICHI
NAKAMORI FUTOSHI
description PROBLEM TO BE SOLVED: To provide a home agent duplication method without the need for adding expensive hardware and expensive software and without cost increase and to provide an apparatus thereof. SOLUTION: In the home agent duplication method wherein a home agent including an address correspondence storage means for storing correspondence between a care-of-address and a home address of a mobile terminal and a transfer means for capsulating an IP packet transferred while being addressed to the home address of the mobile terminal into the care-of-address and transferring the IP packet is duplicated in an active system and a standby system, the standby system stores the same home agent address as that of the active system home agent and the standby system home agent receives a position registration request from the mobile terminal to the active system home agent. COPYRIGHT: (C)2005,JPO&NCIPI
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
title HOME AGENT DUPLICATION METHOD AND APPARATUS THEREOF
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