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[Author] Kang-Won LEE(1hit)

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  • An Efficient Route Optimization Scheme for Multiple LMAs in PMIPv6 Domain

    Won-Kyeong SEO  Kang-Won LEE  Jae-In CHOI  You-Ze CHO  

     
    PAPER-Network

      Vol:
    E95-B No:10
      Page(s):
    3149-3157

    PMIPv6 is the IETF standard for a network-based localized mobility management protocol. In PMIPv6, MNs are topologically anchored at an LMA, which forwards all data for registered MNs. However, since all data packets destined for MNs always traverse the MNs' LMA, the end-to-end packet delay is increased. Therefore, this paper proposes an RO scheme in single and multiple LMA environments. For efficient RO possibility detection, an IPv6 RO extension header and initial RO procedure are proposed. Plus, an effective post-handover RO procedure is presented, along with a packet forwarding scheme to avoid the race condition problem during an RO operation. A Performance evaluation confirms that the proposed scheme can significantly reduce the end-to-end delay, signaling overhead, and RO latency when compared with existing RO schemes.