A YANG Data model for ECA Policy Management
draft-wwx-netmod-event-yang-06

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NETMOD Working Group                                             M. Wang
Internet-Draft                                                     Q. Wu
Intended status: Standards Track                                  Huawei
Expires: June 12, 2020                                        I. Bryskin
                                                              Individual
                                                                  X. Liu
                                                          Volta Networks
                                                               B. Claise
                                                                   Cisco
                                                       December 10, 2019

              A YANG Data model for ECA Policy Management
                     draft-wwx-netmod-event-yang-06

Abstract

   RFC8328 defines a policy-based management framework that allows
   definition of a data model to be used to represent high-level,
   possibly network-wide policies.  Policy discussed in RFC8328 are
   classified into imperative policy and declarative policy, Event
   Condition Action (ECA) policy is an typical example of imperative
   policy.  This document defines a YANG data model for the ECA policy
   management.  The ECA policy YANG provides the ability for the network
   management function (within a network element) to control the
   configuration and monitor state change and take simple and instant
   action on the server when a trigger condition on the system state is
   met.

Status of This Memo

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   This Internet-Draft will expire on June 12, 2020.

Wang, et al.              Expires June 12, 2020                 [Page 1]
Internet-Draft                  ECA YANG                   December 2019

Copyright Notice

   Copyright (c) 2019 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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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Conventions used in this document . . . . . . . . . . . . . .   4
     2.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   4
     2.2.  Tree Diagrams . . . . . . . . . . . . . . . . . . . . . .   5
   3.  Relationship to YANG Push . . . . . . . . . . . . . . . . . .   5
   4.  Overview of ECA YANG Data Model . . . . . . . . . . . . . . .   6
     4.1.  ECA Policy Variable and Value . . . . . . . . . . . . . .   6
     4.2.  ECA Event . . . . . . . . . . . . . . . . . . . . . . . .   7
     4.3.  ECA Condition . . . . . . . . . . . . . . . . . . . . . .   9
     4.4.  ECA Action  . . . . . . . . . . . . . . . . . . . . . . .  11
   5.  ECA YANG Model (Tree Structure) . . . . . . . . . . . . . . .  13
   6.  ECA YANG Module . . . . . . . . . . . . . . . . . . . . . . .  18
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  37
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  38
   9.  Acknowledges  . . . . . . . . . . . . . . . . . . . . . . . .  38
   10. Objectives for existing and possible future extension . . . .  38
   11. Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  39
   12. Normative References  . . . . . . . . . . . . . . . . . . . .  40
   Appendix A.  ECA Model Usage Example  . . . . . . . . . . . . . .  42
   Appendix B.  Usage Example of Reusing Trigger-Grouping in smarter
                filter . . . . . . . . . . . . . . . . . . . . . . .  44
   Appendix C.  Changes between Revisions  . . . . . . . . . . . . .  47
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  48

1.  Introduction

   Network management consists of using one or multiple device-,
   technology-, service specific policies to influence management
   behavior within the system and make sure policies are enforced or
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