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A Seamless and Transparent MN-Proxy based Mobility Support for (n,n,1) Multihomed NEMO Model


Zohra Slimane, Mohamed Feham, Abdelhafid Abdelmalek


Vol. 10  No. 4  pp. 306-313


Multihomed Network Mobility is a research field being widely explored because of its importance in military and vehicular applications. Multihoming is a promising solution for providing ubiquitous Internet and some other benefits such as Load-Sharing and Policy-based Routing. Unfortunately, extensions of NEMO Basic Support proposed for the purpose of managing multihomed NEMO are still sub-optimal and too immature for standardization. Indeed, the proposed solutions are partial and don’t benefit from all advantages offered by multihoming. Further design, implementation and evaluation are still needed to obtain powerful, secure and flexible solutions. In this paper, we propose a new solution for both mobility and traffic management in the context of (n,n,1) multihomed NEMO networks. The proposed approach relies on beforehand Mobile Routers registration and unidirectional tunnels establishment. A Router-Proxy is also introduced inside the Mobile Network as a central entity to mange mobility and traffic. NS2-Mobiwan simulation results show excellent performance improvement in terms of handoff delay and packet loss rate, proving a really transparency and seamless Internet connectivity.


Network mobility, NEMO, Multihoming, Mobile Router, Handover