A YANG Data model for ECA Policy Management
draft-wwx-netmod-event-yang-09

Document Type Active Internet-Draft (individual)
Authors Andy Bierman  , Qin Wu  , Igor Bryskin  , Henk Birkholz  , Xufeng Liu  , Benoît Claise 
Last updated 2020-07-13
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NETMOD Working Group                                          A. Bierman
Internet-Draft                                                 YumaWorks
Intended status: Standards Track                                   Q. Wu
Expires: January 14, 2021                                         Huawei
                                                              I. Bryskin
                                                              Individual
                                                             H. Birkholz
                                                          Fraunhofer SIT
                                                                  X. Liu
                                                          Volta Networks
                                                               B. Claise
                                                                   Cisco
                                                           July 13, 2020

              A YANG Data model for ECA Policy Management
                     draft-wwx-netmod-event-yang-09

Abstract

   This document defines a YANG data model for the Event Condition
   Action (ECA) policy management.  The ECA policy YANG provides the
   ability to delegate the network management function to the server and
   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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   provisions of BCP 78 and BCP 79.

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   This Internet-Draft will expire on January 14, 2021.

Bierman, et al.         Expires January 14, 2021                [Page 1]
Internet-Draft                  ECA YANG                       July 2020

Copyright Notice

   Copyright (c) 2020 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  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Conventions used in this document . . . . . . . . . . . . . .   4
     2.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   4
     2.2.  Tree Diagrams . . . . . . . . . . . . . . . . . . . . . .   5
   3.  Overview of ECA YANG Data Model . . . . . . . . . . . . . . .   5
     3.1.  ECA Policy Variable and Value . . . . . . . . . . . . . .   6
     3.2.  ECA Event . . . . . . . . . . . . . . . . . . . . . . . .   7
     3.3.  ECA Condition . . . . . . . . . . . . . . . . . . . . . .   9
       3.3.1.  Mapping Policy Variables to XPath Variables . . . . .  10
       3.3.2.  ECA XPath Context . . . . . . . . . . . . . . . . . .  11
       3.3.3.  ECA Evaluation Exceptions . . . . . . . . . . . . . .  12
     3.4.  ECA Action  . . . . . . . . . . . . . . . . . . . . . . .  12
     3.5.  ECA . . . . . . . . . . . . . . . . . . . . . . . . . . .  14
       3.5.1.  ECA XPath Function Library (ECALIB) . . . . . . . . .  14
   4.  ECA YANG Model (Tree Structure) . . . . . . . . . . . . . . .  16
   5.  ECA YANG Module . . . . . . . . . . . . . . . . . . . . . . .  18
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  33
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  34
   8.  Acknowledges  . . . . . . . . . . . . . . . . . . . . . . . .  34
   9.  Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  35
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .  35
     10.1.  Normative References . . . . . . . . . . . . . . . . . .  36
     10.2.  Informative References . . . . . . . . . . . . . . . . .  36
   Appendix A.  ECA Condition Expression Examples  . . . . . . . . .  37
   Appendix B.  ECA Model Self Monitoring Usage Example  . . . . . .  37
   Appendix C.  Changes between Revisions  . . . . . . . . . . . . .  41
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  43
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