Diameter Framework Document
Cisco Systems
Nortel Networks
Sun Microsystems
Bell Labs
Current Internet Service Providers (ISPs) scale their networks by using the RADIUS protocol, which provides user Authentication, Authorization and Accounting (AAA) of Dial-up PPP clients. The recent work done in the Roaming Operations (ROAMOPS) Working Group was to investigate whether RADIUS could be used in a roaming network, and concluded that RADIUS was ill-suited for inter-domain purposes.