Connectivity Gateway Discovery in MANETs

Authors:
Antonio J. Yuste;Alicia Triviño;Fco. David Trujillo;Eduardo Casilari;Antonio Díaz-Estrella
Affiliations:
Department of Telecommunication Engineering, University of Jaén, Linares, Spain 23700;Department of Lenguajes y Ciencias de la Computación, University of Málaga, Málaga, Spain 29071;Department of Electronic Technology, University of Málaga, Málaga, Spain 29071;Department of Electronic Technology, University of Málaga, Málaga, Spain 29071;Department of Electronic Technology, University of Málaga, Málaga, Spain 29071
Venue:
Wireless Systems and Mobility in Next Generation Internet
Year:
2008

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Abstract

The integration of mobile ad hoc networks into IP-based access networks demands the presence of a gateway which is responsible for propagating some configuration parameters by means of Modified Router Advertisement (MRA) messages. This function may be accomplished on demand by the mobile nodes (reactively), periodically activated by the gateway (proactively) or by combining the two approaches. In the proactive mechanisms, the interval of emission of the MRA messages (T ) may significantly affect the network performance. The optimum value for T depends on the network conditions such as the position of the sources, the mobility of nodes, etc. Therefore, an autonomous and adaptive technique to dynamically configure T is strongly recommended. In this sense, a new adaptive gateway discovery mechanism is proposed in this paper. The adaptation is achieved by a control system which has been conveniently configured by means of an analytical model. Simulation results show that the proposed adaptive mechanism improves the conventional proactive schemes.