Customized Subscriptions to a Publisher's Event Streams
draft-ietf-netconf-subscribed-notifications-12

Document Type Active Internet-Draft (netconf WG)
Last updated 2018-04-16
Replaces draft-ietf-netconf-rfc5277bis
Stream IETF
Intended RFC status Proposed Standard
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NETCONF                                                          E. Voit
Internet-Draft                                             Cisco Systems
Intended status: Standards Track                                A. Clemm
Expires: October 18, 2018                                         Huawei
                                                      A. Gonzalez Prieto
                                                                  VMWare
                                                       E. Nilsen-Nygaard
                                                             A. Tripathy
                                                           Cisco Systems
                                                          April 16, 2018

        Customized Subscriptions to a Publisher's Event Streams
             draft-ietf-netconf-subscribed-notifications-12

Abstract

   This document defines a YANG data model and associated mechanisms
   enabling subscriber-specific subscriptions to a publisher's event
   streams.  Applying these elements allows a subscriber to request for
   and receive a continuous, custom feed of publisher generated
   information.

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
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at https://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on October 18, 2018.

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

Voit, et al.            Expires October 18, 2018                [Page 1]
Internet-Draft          Subscribed Notifications              April 2018

   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   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.  Motivation  . . . . . . . . . . . . . . . . . . . . . . .   3
     1.2.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
     1.3.  Solution Overview . . . . . . . . . . . . . . . . . . . .   5
     1.4.  Relationship to RFC-5277  . . . . . . . . . . . . . . . .   6
   2.  Solution  . . . . . . . . . . . . . . . . . . . . . . . . . .   7
     2.1.  Event Streams . . . . . . . . . . . . . . . . . . . . . .   7
     2.2.  Event Stream Filters  . . . . . . . . . . . . . . . . . .   7
     2.3.  QoS . . . . . . . . . . . . . . . . . . . . . . . . . . .   8
     2.4.  Dynamic Subscriptions . . . . . . . . . . . . . . . . . .   9
     2.5.  Configured Subscriptions  . . . . . . . . . . . . . . . .  16
     2.6.  Event Record Delivery . . . . . . . . . . . . . . . . . .  22
     2.7.  Subscription State Notifications  . . . . . . . . . . . .  23
     2.8.  Subscription Monitoring . . . . . . . . . . . . . . . . .  28
     2.9.  Advertisement . . . . . . . . . . . . . . . . . . . . . .  29
   3.  YANG Data Model Trees . . . . . . . . . . . . . . . . . . . .  29
     3.1.  Event Streams Container . . . . . . . . . . . . . . . . .  29
     3.2.  Filters Container . . . . . . . . . . . . . . . . . . . .  30
     3.3.  Subscriptions Container . . . . . . . . . . . . . . . . .  30
   4.  Data Model  . . . . . . . . . . . . . . . . . . . . . . . . .  32
   5.  Considerations  . . . . . . . . . . . . . . . . . . . . . . .  57
     5.1.  Implementation Considerations . . . . . . . . . . . . . .  58
     5.2.  IANA Considerations . . . . . . . . . . . . . . . . . . .  58
     5.3.  Security Considerations . . . . . . . . . . . . . . . . .  59
   6.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .  62
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  62
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  62
     7.2.  Informative References  . . . . . . . . . . . . . . . . .  63
   Appendix A.  Changes between revisions  . . . . . . . . . . . . .  64
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  68

1.  Introduction

   This document defines a YANG data model and associated mechanisms
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