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A CRN Discovery and Local Repair Mechanism using QoS-NSLP signaling in HMIPv6 Networks

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2 Author(s)
Haesun Byun ; Ewha Womans Univ., Seoul ; Meejeong Lee

In order to minimize signaling delay for a resource reservation on the new routing path after the handover of Mobile Node (MN), it is important to discover the crossover node (CRN) where the old and new routing paths meet. The CRN is generally discovered using the end-to-end session ID (SID) between MN and correspondent node (CN). However, in the Hierarchical Mobile IPv6 (HMIPv6) network, if a mobile anchor point (MAP) reserves the resources by aggregate with the Home Agent (HA), the CRN discovery cannot be performed in the general way since the aggregate SID of the session between previous MAP and HA is different from that of current MAP and HA after MN's handover. In this paper, we propose the CRN discovery and local repair mechanism for HMIPv6 network with aggregate resource reservation assuming that the NSIS (next steps in signaling) is deployed for the resource reservation. The simulation results show that the proposed scheme reduces the signaling delay and delay variation for the reservation and outperforms the existing scheme with respect to throughput during handover.

Published in:

Information Networking, 2008. ICOIN 2008. International Conference on

Date of Conference:

23-25 Jan. 2008