RFC 3460 (rfc3460) - Page 1 of 93


Policy Core Information Model (PCIM) Extensions



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Network Working Group                                      B. Moore, Ed.
Request for Comments: 3460                                           IBM
Updates: 3060                                               January 2003
Category: Standards Track


            Policy Core Information Model (PCIM) Extensions

Status of this Memo

   This document specifies an Internet standards track protocol for the
   Internet community, and requests discussion and suggestions for
   improvements.  Please refer to the current edition of the "Internet
   Official Protocol Standards" (STD 1) for the standardization state
   and status of this protocol.  Distribution of this memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2003).  All Rights Reserved.

Abstract

   This document specifies a number of changes to the Policy Core
   Information Model (PCIM, RFC 3060).  Two types of changes are
   included.  First, several completely new elements are introduced, for
   example, classes for header filtering, that extend PCIM into areas
   that it did not previously cover.  Second, there are cases where
   elements of PCIM (for example, policy rule priorities) are
   deprecated, and replacement elements are defined (in this case,
   priorities tied to associations that refer to policy rules).  Both
   types of changes are done in such a way that, to the extent possible,
   interoperability with implementations of the original PCIM model is
   preserved.  This document updates RFC 3060.

Table of Contents

   1. Introduction....................................................5
   2. Changes since RFC 3060..........................................5
   3. Overview of the Changes.........................................6
      3.1. How to Change an Information Model.........................6
      3.2. List of Changes to the Model...............................6
           3.2.1. Changes to PolicyRepository.........................6
           3.2.2. Additional Associations and Additional Reusable
                  Elements............................................7
           3.2.3. Priorities and Decision Strategies..................7
           3.2.4. Policy Roles........................................8
           3.2.5. CompoundPolicyConditions and
                  CompoundPolicyActions...............................8



Moore                       Standards Track


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