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Scheme for improving transmission performance of realtime traffic using priority queues in HMIPv6

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Abstract

Hierarchical Mobile IPv6 (HMIPv6) has been proposed by the Internet Engineering Task Force (IETF) to reduce handoff latency and signaling overhead. In the new protocol, Mobility Anchor Point (MAP) receives all packets in place of Mobile Node (MN) and MAP services are transferred to Care of Address (CoA) of MN. However, a MAP may be a single point of performance bottleneck because the MAP should not only handle signaling traffic but also process data tunneling traffic for all MNs registered in a MAP domain. So, MAPs need MAP management scheme for the multimedia services or real time services. We propose a MAP selection scheme that can select different MAPs according to the traffic characteristics of MNs and a multilevel queue processing method that can process binding updates based on the priorities of queues in a MAP when MNs send BU. Quantitative results of the performance analysis show that our proposal can reduce the location update cost by 31% and the total cost by 14%. With the multilevel queues, we could reduce the total cost by 12% and 17% for D=4 and D=8 respectively.

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Correspondence to Wongil Park.

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This work was supported by the Soongsil University Research Fund.

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Park, W., Choi, J. & Kim, B. Scheme for improving transmission performance of realtime traffic using priority queues in HMIPv6. Telecommun Syst 36, 3–11 (2007). https://doi.org/10.1007/s11235-007-9056-y

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