Subscribing to YANG datastore push updates
draft-ietf-netconf-yang-push-01
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2016-02-23
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draft-clemm-netconf-yang-push
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Network Working Group A. Clemm
Internet-Draft A. Gonzalez Prieto
Intended status: Standards Track E. Voit
Expires: August 26, 2016 A. Tripathy
E. Nilsen-Nygaard
Cisco Systems
February 23, 2016
Subscribing to YANG datastore push updates
draft-ietf-netconf-yang-push-01.txt
Abstract
This document defines a subscription and push mechanism for YANG
datastores. This mechanism allows client applications to request
updates from a YANG datastore, which are then pushed by the server to
a receiver per a subscription policy, without requiring additional
client requests.
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 August 26, 2016.
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Clemm, et al. Expires August 26, 2016 [Page 1]
Internet-Draft Datastore-Push February 2016
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Definitions and Acronyms . . . . . . . . . . . . . . . . . . 5
3. Solution Overview . . . . . . . . . . . . . . . . . . . . . . 7
3.1. Subscription Model . . . . . . . . . . . . . . . . . . . 8
3.2. Negotiation of Subscription Policies . . . . . . . . . . 10
3.3. On-Change Considerations . . . . . . . . . . . . . . . . 11
3.4. Data Encodings . . . . . . . . . . . . . . . . . . . . . 12
3.4.1. Periodic Subscriptions . . . . . . . . . . . . . . . 12
3.4.2. On-Change Subscriptions . . . . . . . . . . . . . . . 12
3.5. Subscription Filters . . . . . . . . . . . . . . . . . . 13
3.6. Push Data Stream and Transport Mapping . . . . . . . . . 13
3.7. Subscription management . . . . . . . . . . . . . . . . . 18
3.7.1. Subscription management by RPC . . . . . . . . . . . 18
3.7.2. Subscription management by configuration . . . . . . 20
3.8. Other considerations . . . . . . . . . . . . . . . . . . 20
3.8.1. Authorization . . . . . . . . . . . . . . . . . . . . 20
3.8.2. Additional subscription primitives . . . . . . . . . 21
3.8.3. Robustness and reliability considerations . . . . . . 21
3.8.4. Update size and fragmentation considerations . . . . 22
3.8.5. Push data streams . . . . . . . . . . . . . . . . . . 22
3.8.6. Implementation considerations . . . . . . . . . . . . 23
4. A YANG data model for management of datastore push
subscriptions . . . . . . . . . . . . . . . . . . . . . . . . 23
4.1. Overview . . . . . . . . . . . . . . . . . . . . . . . . 23
4.2. Update streams . . . . . . . . . . . . . . . . . . . . . 25
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