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Policy Core Information Model -- Version 1 Specification (RFC3060)

IP.com Disclosure Number: IPCOM000005254D
Original Publication Date: 2001-Feb-01
Included in the Prior Art Database: 2001-Aug-20

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

B. Moore: AUTHOR [+4]

Abstract

This document presents the object-oriented information model for representing policy information developed jointly in the IETF Policy Framework WG and as extensions to the Common Information Model (CIM) activity in the Distributed Management Task Force (DMTF). This model defines two hierarchies of object classes: structural classes representing policy information and control of policies, and association classes that indicate how instances of the structural classes are related to each other. Subsequent documents will define mappings of this information model to various concrete implementations, for example, to a directory that uses LDAPv3 as its access protocol.

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Network Working Group B. Moore Request for Comments: 3060 IBM Category: Standards Track E. Ellesson LongBoard, Inc.

J. Strassner A. Westerinen Cisco Systems February 2001

Policy Core Information Model Version 1 Specification

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 (2001). All Rights Reserved.

Abstract

This document presents the object-oriented information model for representing policy information developed jointly in the IETF Policy Framework WG and as extensions to the Common Information Model (CIM) activity in the Distributed Management Task Force (DMTF). This model defines two hierarchies of object classes: structural classes representing policy information and control of policies, and association classes that indicate how instances of the structural classes are related to each other. Subsequent documents will define mappings of this information model to various concrete implementations, for example, to a directory that uses LDAPv3 as its access protocol.

Table of Contents

1. Introduction.................................................... 4 2. Modeling Policies............................................... 5 2.1. Policy Scope............................................... 8

2.2. Declarative versus Procedural Model........................ 8 3. Overview of the Policy Core Information Model.................. 10 4. Inheritance Hierarchies for the Policy Core Information Model.. 13

4.1. Implications of CIM Inheritance........................... 15 5. Details of the Model........................................... 15

Moore, et al. Standards Track [Page 1]

RFC 3060 Policy Core Information Model February 2001

5.1. Reusable versus Rule-Specific Conditions and Actions...... 15 5.2. Roles..................................................... 17 5.2.1. Roles and Role Combinations............................. 17 5.2.2. The PolicyRoles Property................................ 21 5.3. Local Time and UTC Time in PolicyTimePeriodConditions..... 21 5.4. CIM Data Types............................................ 23

5.5. Comparison between CIM and LDAP Class Specifications...... 24 6. Class Definitions.............................................. 25 6.1. The Abstract Class "Policy"............................... 25 6.1.1. The Property "CommonName (CN)".......................... 26 6.1.2. The Multi-valued Property "PolicyKeywords".............. 26 6.1.3. The Property "Caption" (Inherited from ManagedElement).. 27 6.1.4. The Property "Description" (Inherited from