NMDA Base Notification for Applied Intended Configuration
draft-wu-netmod-base-notification-nmda-02

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NETMOD Working Group                                               Q. Wu
Internet-Draft                                                   C. Feng
Intended status: Standards Track                               R. Ranade
Expires: September 1, 2019                                        Huawei
                                                       February 28, 2019

       NMDA Base Notification for Applied Intended Configuration
               draft-wu-netmod-base-notification-nmda-02

Abstract

   The Network Configuration Protocol (NETCONF)and RESTCONF provides
   mechanisms to manipulate configuration datastores.  NMDA introduces
   additional datastores for systems that support more advanced
   processing chains converting configuration to operational state.
   However, client applications are not able to be aware of common
   events in these additional datstores of the management system, such
   as a applied configuration state change in NETCONF server or RESTCONF
   server, that may impact management applications.  This document
   define a YANG module that allows a client to receive additional
   notifications for some common system events pertaining to the Network
   Management Datastore Architecture (NMDA) defined in [RFC8342].

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

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   This Internet-Draft will expire on September 1, 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
   Provisions Relating to IETF Documents

Wu, et al.              Expires September 1, 2019               [Page 1]
Internet-Draft           Base Notifications NMDA           February 2019

   (https://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  NMDA Base Notifications for applied intended configuration  .   3
     2.1.  Overview  . . . . . . . . . . . . . . . . . . . . . . . .   3
     2.2.  Data Model Design . . . . . . . . . . . . . . . . . . . .   5
     2.3.  Relation with NMDA Datastore Compare  . . . . . . . . . .   7
     2.4.  Definitions . . . . . . . . . . . . . . . . . . . . . . .   8
   3.  Security Considerations . . . . . . . . . . . . . . . . . . .  14
   4.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  14
   5.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  15
   6.  Normative References  . . . . . . . . . . . . . . . . . . . .  15
   Appendix A.  Changes between revisions  . . . . . . . . . . . . .  16
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  16

1.  Introduction

   The Network Configuration Protocol (NETCONF) [RFC6241] and RESTCONF
   [RFC8040] provides mechanisms to manipulate configuration datastores.
   NMDA introduces additional datastores (e.g., <intended>,
   <operational>) for systems that support more advanced processing
   chains converting configuration to operational state.  However,
   client applications are not able to be aware of common events in
   those additional datastores of the management system, e.g., there are
   many background system activities (e.g.,the system moving the config
   from running->intended->operational,NMDA datastore consistency
   checking [I-D.ietf-netmod-nmda-diff]) that happen during the time
   that configuration is committed to <running> to the time that the
   configuration is actually applied to <operational>.  It is possible
   that some configuration could not be applied to <operational> due to
   either validation issues, or missing resource, etc.  There is a need
   for user to know the applying result of <intended> datastore and the
   reason why the configuration were not applied.

   This document define a YANG module that allows a NMS client to
   receive additional notifications for some common system events
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