DMAP-FR: Dynamic Mobility Anchor Points for Mobility, Service and Failure Recovery Management in Mobile IPv6 Systems

Authors:
Weiping He;Ing-Ray Chen;Ding-Chau Wang
Affiliations:
Department of Computer Science, Virginia Tech, Falls Church, USA 22043;Department of Computer Science, Virginia Tech, Falls Church, USA 22043;Department of Information Management, Southern Taiwan University, Tainan, Taiwan
Venue:
Wireless Personal Communications: An International Journal
Year:
2012

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Abstract

In this paper, we propose and analyze DMAP-FR, a mobility and service management scheme with failure recovery (FR) control in Mobile IPv6 systems. The basic idea behind DMAP-FR is to leverage access routers (ARs) running as regional mobility anchor points (MAPs) as in Hierarchical Mobile IPv6 (HMIPv6) for mobility and service management for mobile nodes (MNs). However, unlike HMIPv6, DMAP-FR allows the MAP of each MN to be determined dynamically based on the mobility and service characteristics of the MN and the failure behavior of ARs with the goal to minimize the network traffic. DMAP-FR incorporates fault tolerance mechanisms to allow the system to quickly recover from AR and MAP failures. We identify the best dynamic regional area size for the selection of MAP for each MN such that the overall network traffic due to servicing mobility, service and fault tolerance related operations is minimized. We demonstrate that DMAP-FR outperforms HMIPv6 for the same AR failure rate.