Table of Contents

1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviations
5 Notation
6 UUID structure and representation
7 Use of a UUID as the primary integer value and
   Unicode label of a Joint UUID arc
8 Use of a UUID to form a URN
9 Rules for comparison and ordering of UUIDs
10 Validation
11 Variant bits
12 Use of UUID fields and transmission byte order
13 Setting the fields of a time-based UUID
14 Setting the fields of a name-based UUID
15 Setting the fields of a random-number-based UUID
Annex A - Algorithms for the efficient generation of
          time-based UUIDs
Annex B - Properties of name-based UUIDs
Annex C - Generation of random numbers in a system
Annex D - Sample implementation
Bibliography

Abstract

Describes the format and generation rules that enable users to produce 128-bit identifiers that are either guaranteed to be globally unique, or are globally unique with a high probability.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	JTC 1