YANG Schema Item iDentifier (SID)
draft-ietf-core-sid-01

Document Type Active Internet-Draft (core WG)
Last updated 2017-05-02
Replaces draft-somaraju-core-sid
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Internet Engineering Task Force                        M. Veillette, Ed.
Internet-Draft                                   Trilliant Networks Inc.
Intended status: Standards Track                           A. Pelov, Ed.
Expires: November 3, 2017                                         Acklio
                                                               R. Turner
                                                              Landis+Gyr
                                                             A. Minaburo
                                                                  Acklio
                                                             A. Somaraju
                                                   Tridonic GmbH & Co KG
                                                            May 02, 2017

                   YANG Schema Item iDentifier (SID)
                         draft-ietf-core-sid-01

Abstract

   YANG Schema Item iDentifiers (SID) are globally unique 64-bit numeric
   identifiers used to identify all items used in YANG.  This document
   defines the semantics, the registration, and assignment processes of
   SIDs.  To enable the implementation of these processes, this document
   also defines a file format used to persist and publish assigned SIDs.

Status of This Memo

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   This Internet-Draft will expire on November 3, 2017.

Copyright Notice

   Copyright (c) 2017 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

Veillette, et al.       Expires November 3, 2017                [Page 1]
Internet-Draft      YANG Schema Item iDentifier (SID)           May 2017

   (http://trustee.ietf.org/license-info) in effect on the date of
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology and Notation  . . . . . . . . . . . . . . . . . .   4
   3.  ".sid" file lifecycle . . . . . . . . . . . . . . . . . . . .   4
   4.  ".sid" file format  . . . . . . . . . . . . . . . . . . . . .   7
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .  10
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  11
     6.1.  "SID mega-range" registry . . . . . . . . . . . . . . . .  11
       6.1.1.  IANA SID Mega-Range Registry  . . . . . . . . . . . .  11
       6.1.2.  IANA "RFC SID range assignment" sub-registries  . . .  12
     6.2.  "YANG module assignment" registry . . . . . . . . . . . .  13
   7.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .  14
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  14
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .  14
     8.2.  Informative References  . . . . . . . . . . . . . . . . .  14
   Appendix A.  ".sid" file example  . . . . . . . . . . . . . . . .  15
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  23

1.  Introduction

   Some of the items defined in YANG [RFC7950] require the use of a
   unique identifier.  In both NETCONF [RFC6241] and RESTCONF [RFC8040],
   these identifiers are implemented using names.  To allow the
   implementation of data models defined in YANG in constrained devices
   and constrained networks, a more compact method to identify YANG
   items is required.  This compact identifier, called SID, is encoded
   using a 64-bit unsigned integer.  The following items are identified
   using SIDs:

   o  identities

   o  data nodes

   o  RPCs and associated input(s) and output(s)

   o  actions and associated input(s) and output(s)

   o  notifications and associated information

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