OAIS Contents

The pages in this section reflect the structure of the OAIS REFERENCE MODEL FOR AN OPEN ARCHIVAL INFORMATION SYSTEM (OAIS) (RECOMMENDED PRACTICE CCSDS 650.0-M-2) 2012 Page numbers reflect the original document at http://public.ccsds.org/publications/archive/650x0m2.pdf

Section Page

1 INTRODUCTION.............................................. 1-1

1.1 PURPOSE AND SCOPE ........................................ 1-1

1.2 APPLICABILITY............................................. 1-2

1.3 RATIONALE................................................. 1-3

1.4 CONFORMANCE .............................................. 1-3

1.5 ROAD MAP FOR DEVELOPMENT OF RELATED STANDARDS ............ 1-4

1.6 DOCUMENT STRUCTURE ....................................... 1-5

1.7 DEFINITIONS............................................... 1-7

2 OAIS CONCEPTS ............................................ 2-1

2.1 OAIS ENVIRONMENT ......................................... 2-2

2.2 OAIS INFORMATION ......................................... 2-3 2.3 OAIS HIGH-LEVEL EXTERNAL INTERACTIONS .................... 2-8 3 OAIS RESPONSIBILITIES .................................... 3-1 3.1 MANDATORY RESPONSIBILITIES ............................... 3-1Insert non-formatted text here 3.2 EXAMPLE MECHANISMS FOR DISCHARGING RESPONSIBILITIES....... 3-1 4 DETAILED MODELS .......................................... 4-1 4.1 FUNCTIONAL MODEL.......................................... 4-1 4.2 INFORMATION MODEL ........................................ 4-20 4.3 INFORMATION PACKAGE TRANSFORMATIONS....................... 4-50 5 PRESERVATION PERSPECTIVES................................. 5-1 5.1 DIGITAL MIGRATION ........................................ 5-2 5.2 PRESERVATION OF ACCESS AND USE SERVICES .................. 5-10 6 ARCHIVE INTEROPERABILITY ................................. 6-1 6.1 TECHNICAL LEVELS OF INTERACTION BETWEEN OAIS ARCHIVES..... 6-2 6.2 MANAGEMENT ISSUES WITH FEDERATED ARCHIVES................. 6-8

ANNEX A COMPOSITE FUNCTIONAL VIEW (NORMATIVE) .................................... A-1 ANNEX B RELATIONSHIP WITH OTHER STANDARDS OR EFFORTS (INFORMATIVE) ................ B-1 ANNEX C BRIEF GUIDE TO THE UNIFIED MODELING LANGUAGE (UML) (INFORMATIVE) .......... C-1 ANNEX D INFORMATIVE REFERENCES (INFORMATIVE) ..................................... D-1 ANNEX E A MODEL FOR SOFTWARE USE IN REPRESENTATION INFORMATION (INFORMATIVE)...... E-1 ANNEX F SECURITY CONSIDERATIONS (INFORMATIVE) .......................................F-1

Figure

2-1 Environment Model of an OAIS.......................................... 2-2 2-2 Obtaining Information from Data ...................................... 2-4 2-3 Information Package Concepts and Relationships ....................... 2-6 2-4 OAIS Archive External Data ........................................... 2-8 4-1 OAIS Functional Entities.............................................. 4-1 4-2 Functions of the Ingest Functional Entity............................. 4-5 4-3 Functions of the Archival Storage Functional Entity .................. 4-8 4-4 Functions of the Data Management Functional Entity ................... 4-10 4-5 Functions of the Administration Functional Entity .................... 4-11 4-6 Functions of the Preservation Planning Functional Entity ............. 4-14 4-7 Functions of the Access Functional Entity ............................ 4-16 4-8 OAIS Data Flow Diagram ............................................... 4-18 4-9 Administration Context Diagram ....................................... 4-19 4-10 Information Object....................................................... 4-21 4-11 Representation Information Object........................................ 4-23 4-12 Information Object Taxonomy ............................................. 4-26 4-13 Information Package Contents............................................. 4-34 4-14 Information Package Taxonomy............................................. 4-35 4-15 Archival Information Package (AIP) ...................................... 4-37 4-16 Preservation Description Information..................................... 4-38 4-17 Package Description ..................................................... 4-39 4-18 Archival Information Package (Detailed View) ............................ 4-40 4-19 Archival Specialization of the AIP ...................................... 4-41 4-20 Archival Specialization of the Package .................................. 4-42 4-21 Archival Information Unit (AIU) ......................................... 4-43 4-22 Unit Description......................................................... 4-44 4-23 Archive Information Collections Logical View ............................ 4-46 4-24 Collection Description .................................................. 4-47 4-25 Data Management Information ............................................. 4-50 4-26 High-Level Data Flows in an OAIS ........................................ 4-51 5-1 Conceptual View of Relationships among Names and AIP Components ...... 5-3 6-1 Cooperating Archives with Mutual Exchange Agreement .................. 6-3 6-2 Cooperating Archives with Standard Ingest and Access Methods ......... 6-4 6-3 An OAIS Federation Employing a Common Catalog ........................ 6-5 6-4 Archives with Shared Storage ......................................... 6-8 A-1 Composite of Functional Entities ........................................ A-2 C-1 Key to UML Relationships ............................................... C-1 E-1 Layered Information Model............................................. E-1

Table

4-1 Examples of PDI ...................................................... 4-31