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Mobility in Internet

Mobility in Internet. Presented by: A.K.M. Mahtab Hossain Nationality: Bangladeshi Asian Institute of Technology, Thailand. IP Mobility in Internet: what is it & why needed?. Host Mobility Mobile user in Internet should be addressable by a unique IP address

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Mobility in Internet

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  1. Mobility in Internet Presented by: A.K.M. Mahtab Hossain Nationality: Bangladeshi Asian Institute of Technology, Thailand

  2. IP Mobility in Internet: what is it & why needed? • Host Mobility • Mobile user in Internet should be addressable by a unique IP address • Needed for seamless connectivity to Internet 1994-2004 Asia Pacific Networking Group All Copy Right Reserved

  3. Main Idea • Home Address (identifiable IP address of the mobile user) • Analogies to a practical example – Home Address :: Permanent Address, Care-of Address :: Current Address, Home Agent :: some agent who keeps record of the mobile person’s whereabouts 1994-2004 Asia Pacific Networking Group All Copy Right Reserved

  4. Effects of IPv4 & IPv6 in case of Mobility • Mobile IPv4 is an after-thought whereas Mobility is considered while designing IPv6 • Use of Extension Headers • Route Optimization • Security • Other factors including FA consideration, ingress filtering router etc. 1994-2004 Asia Pacific Networking Group All Copy Right Reserved

  5. Issues in Mobile IPv6 • Handoff problem • Fast Mobile IPv6 (FMIPv6) • Hierarchical Mobile IPv6 (HMIPv6) • Their Combination (FMIPv6+HMIPv6) • Flow-based solutions • Load Balancing & Multicast solutions 1994-2004 Asia Pacific Networking Group All Copy Right Reserved

  6. Conclusion • In case of supporting IP Mobility, IPv6 is more robust and has supportive structure than its counterpart IPv4. And the extensions to Mobile IPv6 enables it to achieve almost seamless handoff • Any questions??? 1994-2004 Asia Pacific Networking Group All Copy Right Reserved

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