A new Request for Comments is now available in online RFC libraries.


        RFC 2881

        Title:      Network Access Server Requirements Next Generation
                    (NASREQNG) NAS Model
        Author(s):  D. Mitton, M. Beadles
        Status:     Informational
        Date:       July 2000
        Mailbox:    dmitton@nortelnetworks.com,
                    mbeadles@smartpipes.com 
        Pages:      20
        Characters: 45024
        Updates/Obsoletes/SeeAlso:  None

        I-D Tag:    draft-ietf-nasreq-nasmodel-02.txt

        URL:        ftp://ftp.isi.edu/in-notes/rfc2881.txt


This document describes the terminology and gives a model of typical
Network Access Server (NAS).  The purpose of this effort is to set the
reference space for describing and evaluating NAS service protocols,
such as RADIUS (RFCs 2865, 2866) [1], [2] and follow-on efforts like
AAA Working Group, and the Diameter protocol [3].  These are protocols
for carrying user service information for authentication,
authorization, accounting, and auditing, between a Network Access
Server which desires to authenticate its incoming calls and a shared
authentication server. 

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