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Policy Quality of Service (QoS) Information Model (RFC3644)

IP.com Disclosure Number: IPCOM000020372D
Original Publication Date: 2003-Nov-01
Included in the Prior Art Database: 2003-Nov-18

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

Y. Snir: AUTHOR [+5]

Abstract

This document presents an object-oriented information model for representing Quality of Service (QoS) network management policies. This document is based on the IETF Policy Core Information Model and its extensions. It defines an information model for QoS enforcement for differentiated and integrated services using policy. It is important to note that this document defines an information model, which by definition is independent of any particular data storage mechanism and access protocol.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 3% of the total text.

Network Working Group Y. Snir

Request for Comments: 3644 Y. Ramberg

Category: Standards Track Cisco Systems

J. Strassner

Intelliden

R. Cohen

Ntear LLC

B. Moore

IBM

November 2003

Policy Quality of Service (QoS) Information Model

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 presents an object-oriented information model for

representing Quality of Service (QoS) network management policies.

This document is based on the IETF Policy Core Information Model and

its extensions. It defines an information model for QoS enforcement

for differentiated and integrated services using policy. It is

important to note that this document defines an information model,

which by definition is independent of any particular data storage

mechanism and access protocol.

Snir, et al. Standards Track [Page 1]

RFC 3644 Policy QoS Information Model November 2003

Table of Contents

1. Introduction. . . . . . . . . . . . . . . . . . . . . . . . . 5

1.1. The Process of QoS Policy Definition. . . . . . . . . . 5

1.2. Design Goals and Their Ramifications. . . . . . . . . . 8

1.2.1. Policy-Definition Oriented. . . . . . . . . . . 8

1.2.1.1. Rule-based Modeling . . . . . . . . . 9

1.2.1.2. Organize Information Hierarchically . 9

1.2.1.3. Goal-Oriented Policy Definition . . . 10

1.2.2. Policy Domain Model. . . . . . . . . . . . . . . 11

1.2.2.1. Model QoS Policy in a Device- and

Vendor-Independent Manner . . . . . . 11

1.2.2.2. Use Roles for Mapping Policy to

Network Devices . . . . . . . . . . . 11

1.2.2.3. Reusability . . . . . . . . . . . . . 12

1.2.3. Enforceable Policy. . . . . . . . . . . . . . . 12

1.2.4. QPIM Covers Both Signaled And Provisioned QoS . 14

1.2.5. Interoperability for PDPs and Management

Applications. . . . . . . . . . . . . . . . . . 14

1.3. Modeling Abstract QoS Policies. . . . . . . . . . . . . 15

1.4. Rule Hierarchy. . . . . . . . . . . . . . . . . . . . . 17

1.4.1. Use of Hierarchy Within Bandwidth Allocation

Policies. . . . . . . . . . . . . . . . . . . . 17

1.4.2. Use of Rule Hierarchy to Describe Drop

Threshold Policies. . . . . . . . . . . . . . . 21

1.4.3. Restrictions of the Use of Hierarchy Within

QPIM. . . . . . . . . . . . . . . . . . . . . . 22

1.5. Intended Audiences. . . . . . . . . . . . . . . . . . . 23

2. Class Hierarchies . . . . . . . . . . . . . . . . . . . . . . 23

2.1. Inheritance Hierarchy . . . . . . . . . . . . . . . . . 23

2.2. Relationship Hierarchy. . . . . . . . . . . . . . . . . 26

3. QoS Actions . . . . . . . . . . . . . . . . . . . . . . . . . 26

3.1. Overview. . . . . . . . . . . . . . . . . . . . . . . . 26

3.2. RSVP...