Research on the Extended Application of 802.1x Standard and RADIUS Protocol

This paper first introduces basic concepts and principles of 802.1x standard and RADIUS protocol, and then analyzes the application of 802.1x and RADIUS technology on broadband and wireless networks. Concerning the requirement of real application, this paper points out the shortages and limitation of 802.1x and RADIUS when applied, analyzes the reasons for the difficulty to spread and puts forward the design and realization of extended application to meet the real requirement for authentication and accounting on broad-band.