A YANG Data Model for Path Computation Element Communications Protocol (PCEP)
draft-ietf-pce-pcep-yang-13

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Last updated 2019-10-31
Replaces draft-pkd-pce-pcep-yang
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PCE Working Group                                          D. Dhody, Ed.
Internet-Draft                                       Huawei Technologies
Intended status: Standards Track                             J. Hardwick
Expires: May 3, 2020                                          Metaswitch
                                                               V. Beeram
                                                        Juniper Networks
                                                             J. Tantsura
                                                        October 31, 2019

 A YANG Data Model for Path Computation Element Communications Protocol
                                 (PCEP)
                      draft-ietf-pce-pcep-yang-13

Abstract

   This document defines a YANG data model for the management of Path
   Computation Element communications Protocol (PCEP) for communications
   between a Path Computation Client (PCC) and a Path Computation
   Element (PCE), or between two PCEs.  The data model includes
   configuration and state data.

Status of This Memo

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   This Internet-Draft will expire on May 3, 2020.

Copyright Notice

   Copyright (c) 2019 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
   publication of this document.  Please review these documents

Dhody, et al.              Expires May 3, 2020                  [Page 1]
Internet-Draft                  PCE-YANG                    October 2019

   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  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Requirements Language . . . . . . . . . . . . . . . . . . . .   3
   3.  Terminology and Notation  . . . . . . . . . . . . . . . . . .   3
     3.1.  Tree Diagrams . . . . . . . . . . . . . . . . . . . . . .   5
     3.2.  Prefixes in Data Node Names . . . . . . . . . . . . . . .   5
     3.3.  Refrences in the Model  . . . . . . . . . . . . . . . . .   5
   4.  Objectives  . . . . . . . . . . . . . . . . . . . . . . . . .   7
   5.  The Design of PCEP Data Model . . . . . . . . . . . . . . . .   8
     5.1.  The Overview of PCEP Data Model . . . . . . . . . . . . .   8
     5.2.  The Entity  . . . . . . . . . . . . . . . . . . . . . . .   9
     5.3.  The Peer Lists  . . . . . . . . . . . . . . . . . . . . .  13
     5.4.  The Session Lists . . . . . . . . . . . . . . . . . . . .  15
     5.5.  Notifications . . . . . . . . . . . . . . . . . . . . . .  17
     5.6.  RPC . . . . . . . . . . . . . . . . . . . . . . . . . . .  17
     5.7.  The Full PCEP Data Model  . . . . . . . . . . . . . . . .  18
   6.  The Design of PCEP Statistics Data Model  . . . . . . . . . .  24
   7.  Advanced PCE Features . . . . . . . . . . . . . . . . . . . .  27
     7.1.  Stateful PCE's LSP-DB . . . . . . . . . . . . . . . . . .  28
   8.  Open Issues and Next Step . . . . . . . . . . . . . . . . . .  28
     8.1.  The PCE-Initiated LSP . . . . . . . . . . . . . . . . . .  28
   9.  Other Considerations  . . . . . . . . . . . . . . . . . . . .  28
     9.1.  PCEP over TLS (PCEPS) . . . . . . . . . . . . . . . . . .  28
   10. PCEP YANG Modules . . . . . . . . . . . . . . . . . . . . . .  29
     10.1.  ietf-pcep module . . . . . . . . . . . . . . . . . . . .  29
     10.2.  ietf-pcep-stats module . . . . . . . . . . . . . . . . .  83
   11. Security Considerations . . . . . . . . . . . . . . . . . . . 101
   12. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 103
   13. Implementation Status . . . . . . . . . . . . . . . . . . . . 103
   14. Acknowledgements  . . . . . . . . . . . . . . . . . . . . . . 104
   15. References  . . . . . . . . . . . . . . . . . . . . . . . . . 104
     15.1.  Normative References . . . . . . . . . . . . . . . . . . 104
     15.2.  Informative References . . . . . . . . . . . . . . . . . 108
   Appendix A.  Example  . . . . . . . . . . . . . . . . . . . . . . 109
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