Study Of Routing Technology In Deep Space Backbone Network

Mission of moon exploration, the first step of deep space exploration in China, has successfully advanced the development of deep space exploration for the future. As the preparation for the future deep space exploration plan, we must involve in the research in networks performance. The deep space backbone network has the distinctive characteristics such as very long propagation delay, link asymmetry and intermittent connectivity, hence routing through the backbone network present many challenges that are not presented in traditional networks. In this paper, infrastructures and protocol stack of deep space network are firstly introduced with the applicability of traditional protocols analyzed subsequently. A simulation platform specially designed for routing algorithms on the simulator OPNET Modeler is completed according to the deep space network characteristics and available technologies. ALPDB algorithm is then proposed based on the LPDB algorithm. Through the simulation result, we know that the performances of ALPDB outperform the LPDB to achieve a better tradeoff between reliability and network cost. Moreover, energy efficient routing LAEOR is proposed and results show that it can greatly reduce and balance the energy consumption.