YANG Data Model for SR and SR TE Topologies
draft-ietf-teas-yang-sr-te-topo-02
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Network Working Group X. Liu
Internet-Draft Volta Networks
Intended status: Standards Track I. Bryskin
Expires: January 2, 2019 Huawei Technologies
V. Beeram
Juniper Networks
T. Saad
Cisco Systems Inc
H. Shah
Ciena
S. Litkowski
Orange Business Service
July 1, 2018
YANG Data Model for SR and SR TE Topologies
draft-ietf-teas-yang-sr-te-topo-02
Abstract
This document defines a YANG data model for Segment Routing (SR)
topology and Segment Routing (SR) traffic engineering (TE) topology.
Status of This Memo
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provisions of BCP 78 and BCP 79.
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This Internet-Draft will expire on January 2, 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 January 2, 2019 [Page 1]
Internet-Draft YANG SR TE Topology July 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 . . . . . . . . . . . . . . . . . . . . . . . 2
1.2. Tree Diagrams . . . . . . . . . . . . . . . . . . . . . . 3
2. Modeling Considerations . . . . . . . . . . . . . . . . . . . 3
2.1. Segment Routing (SR) Topology . . . . . . . . . . . . . . 3
2.2. Segment Routing (SR) TE Topology . . . . . . . . . . . . 3
2.3. Relations to ietf-segment-routing . . . . . . . . . . . . 4
2.4. Topology Type Modeling . . . . . . . . . . . . . . . . . 5
2.5. Topology Attributes . . . . . . . . . . . . . . . . . . . 5
2.6. Node Attributes . . . . . . . . . . . . . . . . . . . . . 5
2.7. Link Termination Point Attributes . . . . . . . . . . . . 6
2.8. Link in the Topology Model . . . . . . . . . . . . . . . 7
3. Model Structure . . . . . . . . . . . . . . . . . . . . . . . 7
4. YANG Module . . . . . . . . . . . . . . . . . . . . . . . . . 9
5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 15
6. Security Considerations . . . . . . . . . . . . . . . . . . . 15
7. References . . . . . . . . . . . . . . . . . . . . . . . . . 16
7.1. Normative References . . . . . . . . . . . . . . . . . . 16
7.2. Informative References . . . . . . . . . . . . . . . . . 16
Appendix A. Companion YANG Model for Non-NMDA Compliant
Implementations . . . . . . . . . . . . . . . . . . 18
A.1. SR Topology State Module . . . . . . . . . . . . . . . . 18
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 21
1. Introduction
This document defines a YANG [RFC7950] data model for describing the
presentations of Segment Routing (SR) topology and Segment Routing
(SR) traffic engineering (TE) topology. The version of the model
limits the transport type to an MPLS dataplane.
1.1. Terminology
The keywords "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
"OPTIONAL" in this document are to be interpreted as described in BCP
14, [RFC2119].
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