Design and Analysis of Security Policy System in GSM/UMTS Hybrid Network

In this paper we propose a security policy system in GSM/UMTS hybrid system. Security policy requirement and framework is introduced. Design of security policy framework, description of security policy, usage of security policy and storage of security is discussed in detail. The security policy system provides a unified policy management and configuration mechanism which can manage network device, promote security feature of system, optimize system performance. The disadvantage of the system is also analyzed.