Istituto di Informatica e Telematica     
Ancillotti E., Bruno R., Conti M., Gregori E., Pinizzotto A. A Layer-2 Architecture for Interconnecting Multi-hop Hybrid Ad Hoc Networks to the Internet. In: IFIP TC6 Conference on Wireless On-demand Network Systems and Services (WONS 2006) (Les Menuires, France, 2006). Proceedings, pp. 87 - 96. INRIA, 2006.
Recently, the research on mobile ad hoc networks is departing from the view of stand-alone networks, to focus on hybrid self-organized network environments interconnected to the Internet. This type of networks is built on a mix of fixed and mobile nodes using both wired and multi-hop wireless technologies, and may be easily integrated into classical wired/wireless networking infrastructures. In this paper we design a lightweight and efficient architecture to build such a multi-hop hybrid ad hoc network, which will be used as a flexible and low-cost extension of traditional wired LANs. Our proposed architecture provides transparent global Internet connectivity and self-configuration to mobile nodes, without requiring configuration changes in the preexisting wired LAN. Differently from most of the implemented solutions, which are based on complex IP-based mechanisms, such as Mobile IP, IP-in-IP encapsulation and IP tunneling, our proposed system operates below the IP level, and employs only layer-2 mechanisms. We have prototyped the core functionalities of our architecture, and we present several experimental results to verify the network performance constraints, and how different OLSR parameter settings impact on them.
Subject stand-alone networks
Multi-hop Hybrid
mobile ad hoc networks

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