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Secure Media Independent Handover Message Transport in Heterogeneous Networks

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Author(s): Won Jeong-Jae | Vadapalli Murahari | Cho Choong-Ho | Leung VictorCM

Journal: EURASIP Journal on Wireless Communications and Networking
ISSN 1687-1472

Volume: 2009;
Issue: 1;
Start page: 716480;
Date: 2009;
Original page

ABSTRACT
The IEEE 802.21 framework for Media Independent Handover (MIH) provides seamless vertical handover support for multimode mobile terminals. MIH messages are exchanged over various wireless media between mobile terminals and access networks to facilitate seamless handover. This calls for the need to secure MIH messages against network security threats in the wireless medium. In this paper, we first analyze IPSec/IKEv2 and DTLS security solution for secure MIH message transport. We show that handover latency can be an impediment to the use of IPSec and DTLS solutions. To overcome the handover overhead and hence minimize authentication time, a new secure MIH message transport solution, referred as MIHSec in this paper, is proposed. Experimental results are obtained for MIH between WLAN and Ethernet networks and the impacts of MIH message security on the handover latency are evaluated for IPSec, DTLS, and MIHSec security solutions. The effectiveness of MIHSec is demonstrated.
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