YANG Model for QoS
draft-asechoud-rtgwg-qos-model-03

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Network Working Group                                       A. Choudhary
Internet-Draft                                           M. Jethanandani
Intended status: Standards Track                           Cisco Systems
Expires: June 18, 2018                                        N. Strahle
                                                                E. Aries
                                                        Juniper Networks
                                                                 I. Chen
                                                                   Jabil
                                                       December 15, 2017

                           YANG Model for QoS
                   draft-asechoud-rtgwg-qos-model-03

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 June 18, 2018.

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   Copyright (c) 2017 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

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Choudhary, et al.         Expires June 18, 2018                 [Page 1]

Internet-Draft             YANG Model For QoS              December 2017

   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

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 . . . . . . . . . . . . . . . . . . . . . . . . . . .   8
     6.1.  IETF-QOS-CLASSIFIER . . . . . . . . . . . . . . . . . . .   8
     6.2.  IETF-QOS-POLICY . . . . . . . . . . . . . . . . . . . . .  14
     6.3.  IETF-QOS-ACTION . . . . . . . . . . . . . . . . . . . . .  17
     6.4.  IETF-QOS-TARGET . . . . . . . . . . . . . . . . . . . . .  29
     6.5.  IETF-DIFFSERV . . . . . . . . . . . . . . . . . . . . . .  31
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  34
   8.  Acknowledgement . . . . . . . . . . . . . . . . . . . . . . .  34
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  34
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .  34
     9.2.  Informative References  . . . . . . . . . . . . . . . . .  35
   Appendix A.  Company A, Company B and Company C examples  . . . .  35
     A.1.  Example of Company A Diffserv Model . . . . . . . . . . .  35
     A.2.  Example of Company B Diffserv Model . . . . . . . . . . .  45
     A.3.  Example of Company C Diffserv Model . . . . . . . . . . .  58
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  65

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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