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Registered TUNNNEL MANAGEMENT METHOD AND APPARATUS FOR REDUCING PACKET LOSSES OF MOBILE TERMINAL IN MOBILE IP ENVIRONMENT

모바일 IP를 지원하는 이동 단말의 패킷 손실 최소화를 위한 터널관리 방법
이미지 확대
Inventors
Cheon Kyung-Yul, Yang Mi Jeong, Ae-Soon Park
Application No.
12808428 (2008.12.17)
Publication No.
20100265916 (2010.10.21)
Registration No.
8391243 (2013.03.05)
Country
UNITED STATES
Project Code
07MM1200, Research & development on Mobile Terminal Technology based on 3G Evolution, Kim Yeongjin
Abstract
A method is provided for managing a tunnel when a mobile node moves from an existing visiting network to a visiting network which supports a mobile IP. A mobile node may detect a movement of the mobile node, configure a care-of address (CoA) and thereafter transmit a location registration (Binding Update) message to a home agent. The mobile node may create a second tunnel in the visiting network and set the second tunnel as a receiving-only tunnel while maintaining a first tunnel which is already used in the existing visiting network. The mobile node may receive a location registration completion (Binding Acknowledgement) message from the home agent, change the second tunnel to the tunnel capable of transmitting/receiving by modifying a routing table, and cancel the first tunnel.
KSP Keywords
Binding Update, Care-of address(CoA), Home agent(HA), Location registration, Mobile IP(MIP), Mobile node(MN), Routing table, mobile terminal, packet loss
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Status Patent Country KIPRIS
Registered 모바일 IP를 지원하는 이동 단말의 패킷 손실을 줄이기 위한 터널 관리 방법 및 장치 KOREA KIPRIS