YANG Data Model for Layer 3 TE Topologies
draft-ietf-teas-yang-l3-te-topo-03
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Network Working Group X. Liu
Internet-Draft Volta Networks
Intended status: Standards Track I. Bryskin
Expires: April 25, 2019 Huawei Technologies
V. Beeram
Juniper Networks
T. Saad
Cisco Systems Inc
H. Shah
Ciena
O. Gonzalez de Dios
Telefonica
October 22, 2018
YANG Data Model for Layer 3 TE Topologies
draft-ietf-teas-yang-l3-te-topo-03
Abstract
This document defines a YANG data model for layer 3 traffic
engineering topologies.
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 April 25, 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
Liu, et al. Expires April 25, 2019 [Page 1]
Internet-Draft YANG L3 TE Topology October 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. Terminology . . . . . . . . . . . . . . . . . . . . . . . 3
1.2. Tree Diagrams . . . . . . . . . . . . . . . . . . . . . . 3
2. Modeling Considerations for L3 TE Topologies . . . . . . . . 3
2.1. Relationship Between Layer 3 Topology and TE topology . . 3
2.2. Relationship Modeling . . . . . . . . . . . . . . . . . . 4
2.2.1. Topology Referencing . . . . . . . . . . . . . . . . 4
2.2.2. Node Referencing . . . . . . . . . . . . . . . . . . 4
2.2.3. Link Termination Point Referencing . . . . . . . . . 4
2.2.4. Link Referencing . . . . . . . . . . . . . . . . . . 5
2.3. Topology Type Modeling . . . . . . . . . . . . . . . . . 5
3. Packet Switching Technology Extensions . . . . . . . . . . . 5
3.1. Technology Specific Link Attributes . . . . . . . . . . . 5
3.2. Performance Metric . . . . . . . . . . . . . . . . . . . 6
4. Model Structure . . . . . . . . . . . . . . . . . . . . . . . 6
4.1. Layer 3 TE Topology Module . . . . . . . . . . . . . . . 6
4.2. Packet Switching TE Topology Module . . . . . . . . . . . 7
5. YANG Modules . . . . . . . . . . . . . . . . . . . . . . . . 21
5.1. Layer 3 TE Topology Module . . . . . . . . . . . . . . . 21
5.2. Packet Switching TE Topology Module . . . . . . . . . . . 26
6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 31
7. Security Considerations . . . . . . . . . . . . . . . . . . . 33
8. References . . . . . . . . . . . . . . . . . . . . . . . . . 35
8.1. Normative References . . . . . . . . . . . . . . . . . . 35
8.2. Informative References . . . . . . . . . . . . . . . . . 37
Appendix A. Companion YANG Model for Non-NMDA Compliant
Implementations . . . . . . . . . . . . . . . . . . 38
A.1. Layer 3 TE Topology State Module . . . . . . . . . . . . 38
A.2. Packet Switching TE Topology State Module . . . . . . . . 41
Appendix B. Data Tree Example . . . . . . . . . . . . . . . . . 46
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 55
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