Generalized Network Control Automation YANG Model
draft-bryskin-netconf-automation-yang-02
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draft-bryskin-netconf-automation-yang-02.txt:
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ietf-gnca@2018-06-22.yang:
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yanglint 0.14.80: yanglint --verbose -p {rfclib} -p {draftlib} -p {tmplib} {model} -i:
err : The leafref leaf is config but refers to a non-config leaf. (/ietf-subscribed-notifications:subscriptions/subscription/target/stream/stream)
err : The leafref leaf is config but refers to a non-config leaf. (/ietf-subscribed-notifications:subscriptions/subscription/target/stream/stream)
err : Invalid value "subscription-policy" of "uses". (/ietf-subscribed-notifications:subscriptions/subscription/subscription-policy)
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err : Module "ietf-subscribed-notifications" parsing failed.
err : Importing "ietf-subscribed-notifications" module into "ietf-gnca" failed.
err : Module "ietf-gnca" parsing failed.
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Network Working Group I. Bryskin
Internet-Draft Huawei Technologies
Intended status: Informational X. Liu
Expires: December 30, 2018 Volta Networks
A. Clemm
Huawei
H. Birkholz
Fraunhofer SIT
T. Zhou
Huawei
June 28, 2018
Generalized Network Control Automation YANG Model
draft-bryskin-netconf-automation-yang-02
Abstract
This document describes a YANG data model for the Generalized Network
Control Automation (GNCA), aimed to define an abstract and uniform
semantics for NETCONF/YANG scripts in the form of Event-Condition-
Action (ECA) containers.
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 December 30, 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
Bryskin, et al. Expires December 30, 2018 [Page 1]
Internet-Draft Network Control Automation June 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
2. Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. GNCA concepts and constructs . . . . . . . . . . . . . . . . 4
3.1. Policy Variable (PV) . . . . . . . . . . . . . . . . . . 4
3.2. ECA Event . . . . . . . . . . . . . . . . . . . . . . . . 6
3.3. ECA Condition . . . . . . . . . . . . . . . . . . . . . . 7
3.4. ECA Action . . . . . . . . . . . . . . . . . . . . . . . 9
3.5. ECA . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4. Where ECA scripts are executed? . . . . . . . . . . . . . . . 12
5. ECA script example . . . . . . . . . . . . . . . . . . . . . 13
6. Complete Model Tree Structure . . . . . . . . . . . . . . . . 15
7. YANG Module . . . . . . . . . . . . . . . . . . . . . . . . . 21
8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 40
9. Security Considerations . . . . . . . . . . . . . . . . . . . 40
10. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 40
11. References . . . . . . . . . . . . . . . . . . . . . . . . . 41
11.1. Normative References . . . . . . . . . . . . . . . . . . 41
11.2. Informative References . . . . . . . . . . . . . . . . . 41
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 41
1. Introduction
NETCONF/YANG has proved to be very successful in facilitating
interactive network control paradigm, in which a network control
application (controller) requests the network server to perform
certain (re-)configurations, then, retrieves network states of
interest, then asks for more (re-)configurations and so forth. This
said, there are multiple use cases that require stringing network
configuration requests together with conditioning their order of
execution based on certain events detected in the network, as well as
current, historical or predicted network states, and pushing such
request batches/scripts to the network server in order to control the
network close loop automation processes. The Generalized Network
Control Automation (GNCA) YANG model introduced by this document
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