YANG Schema Item iDentifier (SID)
draft-ietf-core-sid-12
Document Type Active Internet-Draft (core WG)
Last updated 2020-03-27
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: September 28, 2020                               I. Petrov, Ed.
                                                                  Acklio
                                                          March 27, 2020

                   YANG Schema Item iDentifier (SID)
                         draft-ietf-core-sid-12

Abstract

   YANG Schema Item iDentifiers (SID) are globally unique 63-bit
   unsigned integers used to identify YANG items.  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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   provisions of BCP 78 and BCP 79.

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   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on September 28, 2020.

Copyright Notice

   Copyright (c) 2020 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
   carefully, as they describe your rights and restrictions with respect
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   include Simplified BSD License text as described in Section 4.e of

Veillette, et al.      Expires September 28, 2020               [Page 1]
Internet-Draft      YANG Schema Item iDentifier (SID)         March 2020

   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology and Notation  . . . . . . . . . . . . . . . . . .   3
   3.  ".sid" file lifecycle . . . . . . . . . . . . . . . . . . . .   4
   4.  ".sid" file format  . . . . . . . . . . . . . . . . . . . . .   5
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .  12
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  12
     6.1.  Register SID File Format Module . . . . . . . . . . . . .  12
     6.2.  Create new IANA Registry: "SID Mega-Range" registry . . .  12
       6.2.1.  Structure . . . . . . . . . . . . . . . . . . . . . .  12
       6.2.2.  Allocation policy . . . . . . . . . . . . . . . . . .  13
         6.2.2.1.  First allocation  . . . . . . . . . . . . . . . .  13
         6.2.2.2.  Consecutive allocations . . . . . . . . . . . . .  13
       6.2.3.  Initial contents of the Registry  . . . . . . . . . .  14
     6.3.  Create a new IANA Registry: IETF SID Range Registry
           (managed by IANA) . . . . . . . . . . . . . . . . . . . .  14
       6.3.1.  Structure . . . . . . . . . . . . . . . . . . . . . .  14
       6.3.2.  Allocation policy . . . . . . . . . . . . . . . . . .  14
       6.3.3.  Initial contents of the registry  . . . . . . . . . .  15
     6.4.  Create new IANA Registry: "IETF SID Registry" . . . . . .  16
       6.4.1.  Structure . . . . . . . . . . . . . . . . . . . . . .  17
       6.4.2.  Allocation policy . . . . . . . . . . . . . . . . . .  17
       6.4.3.  Recursive Allocation of SID Range at Document
               Adoption  . . . . . . . . . . . . . . . . . . . . . .  17
       6.4.4.  Initial contents of the registry  . . . . . . . . . .  19
   7.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .  19
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  19
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .  19
     8.2.  Informative References  . . . . . . . . . . . . . . . . .  20
   Appendix A.  ".sid" file example  . . . . . . . . . . . . . . . .  21
   Appendix B.  SID auto generation  . . . . . . . . . . . . . . . .  30
   Appendix C.  ".sid" file lifecycle  . . . . . . . . . . . . . . .  31
     C.1.  SID File Creation . . . . . . . . . . . . . . . . . . . .  32
     C.2.  SID File Update . . . . . . . . . . . . . . . . . . . . .  33
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  34

1.  Introduction

   Some of the items defined in YANG [RFC7950] require the use of a
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