DIAMETER Framework Document

Document Type Expired Internet-Draft (individual)
Authors Glen Zorn  , Ping Pan  , Pat Calhoun  , Haseeb Akhtar 
Last updated 2001-02-05
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


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. The IETF has formed a new NAS Requirements Working Group, and part of their charter is to document the next generation NAS' AAA requirements. Recently, the Mobile-IP Working Group also documented their own AAA requirements that would help Mobile IP scale for Inter-Domain mobility. The DIAMETER protocol is a follow-on to the RADIUS protocol. DIAMETER addresses the known RADIUS deficiencies, and is intended for use with the NASREQ and Mobile IP application space.


Glen Zorn (glenzorn@hotmail.com)
Ping Pan (pan@watson.ibm.com)
Pat Calhoun (pcalhoun@cisco.com)
Haseeb Akhtar (haseebak@nortelnetworks.com)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)