A YANG Data model for ECA Policy Management
draft-wwx-netmod-event-yang-07
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NETMOD Working Group                                         H. Birkholz
Internet-Draft                                            Fraunhofer SIT
Intended status: Standards Track                                   Q. Wu
Expires: November 13, 2020                                        Huawei
                                                              I. Bryskin
                                                              Individual
                                                                  X. Liu
                                                          Volta Networks
                                                               B. Claise
                                                                   Cisco
                                                            May 12, 2020

              A YANG Data model for ECA Policy Management
                     draft-wwx-netmod-event-yang-07

Abstract

   This document defines a YANG data model for the Event Condition
   Action (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 November 13, 2020.

Copyright Notice

   Copyright (c) 2020 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Birkholz, et al.        Expires November 13, 2020               [Page 1]
Internet-Draft                  ECA YANG                        May 2020

   This document is subject to BCP 78 and the IETF Trust's Legal
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   (https://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Conventions used in this document . . . . . . . . . . . . . .   3
     2.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
     2.2.  Tree Diagrams . . . . . . . . . . . . . . . . . . . . . .   4
   3.  Overview of ECA YANG Data Model . . . . . . . . . . . . . . .   4
     3.1.  ECA Policy Variable and Value . . . . . . . . . . . . . .   5
     3.2.  ECA Event . . . . . . . . . . . . . . . . . . . . . . . .   6
     3.3.  ECA Condition . . . . . . . . . . . . . . . . . . . . . .   8
     3.4.  ECA Action  . . . . . . . . . . . . . . . . . . . . . . .   8
     3.5.  ECA . . . . . . . . . . . . . . . . . . . . . . . . . . .  11
   4.  Where ECA scripts are executed? . . . . . . . . . . . . . . .  11
   5.  ECA YANG Model (Tree Structure) . . . . . . . . . . . . . . .  11
   6.  ECA YANG Module . . . . . . . . . . . . . . . . . . . . . . .  15
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  32
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  33
   9.  Acknowledges  . . . . . . . . . . . . . . . . . . . . . . . .  34
   10. Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  34
   11. Normative References  . . . . . . . . . . . . . . . . . . . .  35
   Appendix A.  ECA Condition Expression Examples  . . . . . . . . .  37
   Appendix B.  ECA Model Usage Example  . . . . . . . . . . . . . .  37
   Appendix C.  Changes between Revisions  . . . . . . . . . . . . .  39
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  40

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
   executed correctly.

   Event-driven policy management can be used to monitor state changes
   of managed objects or resource across a wide range of devices and
   automatic trigger of rules in response to events so as to better
   service assurance for customers and provide rapid autonomic response
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