RFC 2977 (rfc2977) - Page 1 of 27

Mobile IP Authentication, Authorization, and Accounting Requirements

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Network Working Group                                           S. Glass
Request for Comments: 2977                              Sun Microsystems
Category: Informational                                        T. Hiller
                                                     Lucent Technologies
                                                               S. Jacobs
                                                        GTE Laboratories
                                                              C. Perkins
                                                   Nokia Research Center
                                                            October 2000


  Mobile IP Authentication, Authorization, and Accounting Requirements

Status of this Memo

   This memo provides information for the Internet community.  It does
   not specify an Internet standard of any kind.  Distribution of this
   memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2000).  All Rights Reserved.

Abstract

   The Mobile IP and Authentication, Authorization, Accounting (AAA)
   working groups are currently looking at defining the requirements for
   Authentication, Authorization, and Accounting.  This document
   contains the requirements which would have to be supported by a AAA
   service to aid in providing Mobile IP services.

1. Introduction

   Clients obtain Internet services by negotiating a point of attachment
   to a "home domain", generally from an ISP, or other organization from
   which service requests are made, and fulfilled.  With the increasing
   popularity of mobile devices, a need has been generated to allow
   users to attach to any domain convenient to their current location.
   In this way, a client needs access to resources being provided by an
   administrative domain different than their home domain (called a
   "foreign domain").  The need for service from a foreign domain
   requires, in many models, Authorization, which leads directly to
   Authentication, and of course Accounting (whence, "AAA").  There is
   some argument which of these leads to, or is derived from the others,
   but there is common agreement that the three AAA functions are
   closely interdependent.





Glass, et al.                Informational
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