NMDA Base Notification for Applied Intended Configuration
draft-wu-netmod-base-notification-nmda-00

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NETMOD Working Group                                               Q. Wu
Internet-Draft                                                 R. Ranade
Intended status: Standards Track                                  Huawei
Expires: March 18, 2019                               September 14, 2018

       NMDA Base Notification for Applied Intended Configuration
               draft-wu-netmod-base-notification-nmda-00

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.

   Internet-Drafts are working documents of the Internet Engineering
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   This Internet-Draft will expire on March 18, 2019.

Copyright Notice

   Copyright (c) 2018 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
   (https://trustee.ietf.org/license-info) in effect on the date of

Wu & Ranade              Expires March 18, 2019                 [Page 1]
Internet-Draft           Base Notifications NMDA          September 2018

   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
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   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   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 . . . . . . . . . . . . . . . . . . .  13
   4.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  13
   5.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  14
   6.  Normative References  . . . . . . . . . . . . . . . . . . . .  14
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  15

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
   these additional datastores of the management system, e.g., there are
   many background activities (e.g.,NMDA datastore consistency checking
   [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> data-store 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
   pertaining to the Network Management Datastore Architecture (NMDA)
   defined in [RFC8342].  These notifications are designed to support
   the monitoring of the base system events within the server and not
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