Virtual Hierarchical Architecture Integrating Mobile IPv6 and MANETs for Internet Connectivity

Lecture Notes in Computer Science, vol. 4096, pp. 1098-1107, Aug. 2006

Hyemee Park, Tae-Jin Lee, and Hyunseung Choo

Abstract

As the demands for Internet connectivity of ad hoc networks are consistently increasing, the interconnection of Mobile Ad hoc Networks (MANETs) to fixed IP networks is emerging as an issue with considerable attention in the literature [2,3,4]. Here, we focus on connecting MANETs to the Internet by integrating Mobile IPv6. Many previous studies are suffered from some limitations that the dynamic addressing and routing protocol are not suitable in high mobility MANETs. The proposed scheme is based on the prefix delegation method in order to reduce tunneling overhead by ingress filtering and avoid unnecessary address changes. By using this method, MANETs organize a virtual hierarchical architecture for efficient gateway discovery and the optimal routing in high mobility. Comprehensive computer simulation presents that the newly proposed scheme shows up to about 50% better performance in terms of delay and signaling overhead in comparison with existing protocols.

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