YANG Model for QoS
draft-asechoud-rtgwg-qos-model-05
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Network Working Group A. Choudhary
Internet-Draft M. Jethanandani
Intended status: Standards Track Cisco Systems
Expires: September 18, 2018 N. Strahle
E. Aries
Juniper Networks
I. Chen
Jabil
March 17, 2018
YANG Model for QoS
draft-asechoud-rtgwg-qos-model-05
Abstract
This document describes a YANG model for Quality of Service (QoS)
configuration and operational parameters.
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This Internet-Draft will expire on September 18, 2018.
Copyright Notice
Copyright (c) 2018 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
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Choudhary, et al. Expires September 18, 2018 [Page 1]
Internet-Draft YANG Model For QoS March 2018
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. QoS Model Design . . . . . . . . . . . . . . . . . . . . . . 3
4. DiffServ Model Design . . . . . . . . . . . . . . . . . . . . 3
5. Modules Tree Structure . . . . . . . . . . . . . . . . . . . 4
6. Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6.1. IETF-QOS-CLASSIFIER . . . . . . . . . . . . . . . . . . . 10
6.2. IETF-QOS-POLICY . . . . . . . . . . . . . . . . . . . . . 14
6.3. IETF-QOS-ACTION . . . . . . . . . . . . . . . . . . . . . 17
6.4. IETF-QOS-TARGET . . . . . . . . . . . . . . . . . . . . . 34
6.5. IETF-DIFFSERV . . . . . . . . . . . . . . . . . . . . . . 36
7. Security Considerations . . . . . . . . . . . . . . . . . . . 45
8. Acknowledgement . . . . . . . . . . . . . . . . . . . . . . . 45
9. References . . . . . . . . . . . . . . . . . . . . . . . . . 45
9.1. Normative References . . . . . . . . . . . . . . . . . . 45
9.2. Informative References . . . . . . . . . . . . . . . . . 46
Appendix A. Company A, Company B and Company C examples . . . . 46
A.1. Example of Company A Diffserv Model . . . . . . . . . . . 46
A.2. Example of Company B Diffserv Model . . . . . . . . . . . 55
A.3. Example of Company C Diffserv Model . . . . . . . . . . . 69
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 76
1. Introduction
This document defines a base YANG [RFC6020] data module for Quality
of Service (QoS) configuration parameters. Differentiated Services
(DiffServ) module is an augmentation of the base QoS model. Remote
Procedure Calls (RPC) or notification definition is currently not
part of this document and will be added later if necessary. QoS base
modules define a basic building blocks to define a classifier,
policy, action and target. The base modules have been augmented to
include packet match fields and action parameters to define the
DiffServ module. It is left up to individual vendors to stitch some
of the actions like queues, random-detect (RED) and vendor specific
parameters of the DiffServ policy definitions. Designing the module
in this manner allows for a very flexible and extensible module that
should fit in with most of the vendor requirements. The DiffServ
model is based on DiffServ architecture, and various references have
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