—Network identity management system, in theory, is conceived as the solution to many identity-related issues burgeoning day-to-day. These issues, which need to be addressed, range from managing the outburst of user identities to protecting user interests as well as business interests. This paper proposes a framework for network identity management on the Internet that addresses these issues from a user-centric point of view. After discussing the challenges and opportunities of a user-centric identity management system, we describe the architecture of our framework called UNIQuE in detail. The architecture comprises components such as a security infrastructure, a trust subsystem, an inter-provider communication system, and a repository system. In essence, the goal of this framework is to specify a comprehensive, user-centric solution to all identity-related issues, which also vouches for effortless maintenance. The fundamental difference to existing systems is its integrating approach...