A YANG Data Model for MPLS Static LSPs
draft-ietf-mpls-static-yang-12
Document Type Active Internet-Draft (mpls WG)
Authors Tarek Saad  , Rakesh Gandhi  , Xufeng Liu  , Vishnu Beeram  , Igor Bryskin 
Last updated 2020-11-01
Replaces draft-saad-mpls-static-yang
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MPLS Working Group                                               T. Saad
Internet-Draft                                          Juniper Networks
Intended status: Standards Track                               R. Gandhi
Expires: May 5, 2021                                 Cisco Systems, Inc.
                                                                  X. Liu
                                                          Volta Networks
                                                               V. Beeram
                                                        Juniper Networks
                                                              I. Bryskin
                                                     Huawei Technologies
                                                       November 01, 2020

                 A YANG Data Model for MPLS Static LSPs
                     draft-ietf-mpls-static-yang-12

Abstract

   This document contains the specification for the MPLS Static Label
   Switched Paths (LSPs) YANG model.  The model allows for the
   provisioning of static LSP(s) on Label Edge Router(s) LER(s) and
   Label Switched Router(s) LSR(s) devices along a LSP path without the
   dependency on any signaling protocol.  The MPLS Static LSP model
   augments the MPLS base YANG model with specific data to configure and
   manage MPLS Static LSP(s).

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
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   Drafts is at https://datatracker.ietf.org/drafts/current/.

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   This Internet-Draft will expire on May 5, 2021.

Copyright Notice

   Copyright (c) 2020 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Saad, et al.               Expires May 5, 2021                  [Page 1]
Internet-Draft      MPLS Static LSPs YANG Data Model       November 2020

   This document is subject to BCP 78 and the IETF Trust's Legal
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   (https://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
     1.2.  Acronyms and Abbreviations  . . . . . . . . . . . . . . .   3
   2.  MPLS Static LSP Model . . . . . . . . . . . . . . . . . . . .   3
     2.1.  Model Organization  . . . . . . . . . . . . . . . . . . .   4
     2.2.  Model Tree Diagram  . . . . . . . . . . . . . . . . . . .   4
     2.3.  Model Overview  . . . . . . . . . . . . . . . . . . . . .   6
     2.4.  Model YANG Module(s)  . . . . . . . . . . . . . . . . . .   7
   3.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  14
   4.  Security Considerations . . . . . . . . . . . . . . . . . . .  15
   5.  Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  15
   6.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  16
     6.1.  Normative References  . . . . . . . . . . . . . . . . . .  16
     6.2.  Informative References  . . . . . . . . . . . . . . . . .  17
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  18

1.  Introduction

   This document describes a YANG [RFC7950] data model for configuring
   and managing the Multiprotocol Label Switching (MPLS) [RFC3031]
   Static LSPs.  The model allows the configuration of LER and LSR
   devices with the necessary MPLS cross-connects or bindings to realize
   an end-to-end LSP service.

   A static LSP is established by manually specifying incoming and
   outgoing MPLS label(s) and necessary forwarding information on each
   of the traversed LER and LSR devices (ingress, transit, or egress
   nodes) of the forwarding path.

   For example, on an ingress LER device, the model is used to associate
   a specific Forwarding Equivalence Class (FEC) of packets- e.g.
   matching a specific IP prefix in a Virtual Routing or Forwarding
   (VRF) instance- to an MPLS outgoing label imposition, next-hop(s) and
   respective outgoing interface(s) to forward the packet.  On an LSR
   device, the model is used to create a binding that swaps the incoming
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