Region-Based Multicast Routing Protocol with Dynamic Address Allocation Scheme in Mobile Ad-Hoc Networks

Mobile Ad hoc Network (MANET) is a network that mobile nodes can freely and dynamically communicate with each others without the support of any infrastructure. Due to the node’s movement, the network topology can be changed randomly and unpredictably. Previously, address as identifier is used for establishing a delivery route. But it is not easy that each mobile node has a unique address due to the lack of centralized address protocol like DHCP. In this paper, we propose region-based dynamic address allocation scheme that can simplify the route establishment and maintenance. Routing is done by a short distance vector algorithm based on the proactive and the flat topology routing protocol. Basic idea of our address allocation scheme is to separate node identity and node address. Node address indicates node’s current location and is allotted by its parent node with a cascading address scheme. In evaluation, we examined our proposed scheme in a point of the view of the number of control packets to establish delivery trees and the connecting probability. From simulation results, we confirm that the proposed scheme offers substantially better performance.