Research Of MANET Routing And Cerdit Degree Routing Based On Active Network

Mobile Ad hoc Network (MANET) is a network that can establish a network without any prior base stations. It is a multi-hop, temporary and autonomy system, which consists of a set of mobile terminals with receiver and transmitter. All the mobile nodes in MANET are both a terminal and a router. Since these characters, MANET is suitable for military affairs and emergency. But, because of the change of network topology and the limitation of bandwidth and energy, there is a lot of challenge for the wider application of MANET.This paper focuses on MANET routing protocols and indicates the shortage of current MAENT routing protocols. We introduce the framework, key technology and present research firstly. We analyses the requirement of MANET routing design and introduce some methods of MANET routing protocols' classification. By introducing some typical routing protocols, the problems in current routing protocols are advanced.In order to solve the problems in current routing protocols, we use the idea of applying active network technology to MANET routing. Based on the idea, we introduce active network's principle, character and structure. Then we analyses the feasibility and validity of combining active network with MANET. Based on predecessor's work, we present a MANET routing strategy by combining with active network. According to sender's data quantity or different requirement to route reliability, combining with active network, a more reasonable routing method is presented, which can enhance the performance of MANET routing.In addition, this paper also tries to apply active network to MANET routing reliability. We introduce the security problems MANET meets with, and introduce some security solutions used in MANET and their shortage. We present an active MANET routing based on neighbor nodes' credit degree in order to improve MANET routing reliability.The last part in this paper is simulation. We make some simulation of the routing methods we presented in this paper. By comparing of simulation results, the improvement of network performance by applying active network technology to MANET routing is showed directly. And we also indicate the shortage of our work in this paper and some problemneed to be solved in the future.