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It4IT new Standard
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IT4IT is a new Reference Standard from the Open Group.
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Open Group Standard
The Open Group IT4IT™ Reference Architecture, Version 2.0
ii Open Group Standard (2015)
Copyright © 2015, The Open Group. All rights reserved.
No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means,
electronic, mechanical, photocopying, recording, or otherwise, without the prior permission of the copyright owner.
Open Group Standard
The Open Group IT4IT™ Reference Architecture, Version 2.0
Document Number: TBA
Published by The Open Group, <month> 2015.
Comments relating to the material contained in this document may be submitted to:
The Open Group, Apex Plaza, Forbury Road, Reading, Berkshire, RG1 1AX, United Kingdom
or by electronic mail to:
it4it-comments@opengroup.org
The Open Group IT4IT™ Reference Architecture, Version 2.0 iii
Contents
1
Introduction .................................................................................................................... 1
1.1 Objective .............................................................................................................. 1
1.2 Overview .............................................................................................................. 1
1.3 Conformance ........................................................................................................ 1
1.4 Normative References ........................................................................................... 1
1.5 Terminology ......................................................................................................... 1
1.6 Future Directions .................................................................................................. 2
2
Definitions ...................................................................................................................... 3
2.1 Service Lifecycle Data Object (Data Object) ......................................................... 3
2.2 IT Value Chain ..................................................................................................... 3
2.3 Value Chain .......................................................................................................... 3
2.4 Value Stream ........................................................................................................ 4
2.5 Functional Component .......................................................................................... 4
2.6 Service Model Backbone Data Object ................................................................... 4
2.7 Relationship .......................................................................................................... 4
2.8 System of Record .................................................................................................. 4
3
Overview ........................................................................................................................ 5
3.1 What is the IT Value Chain? ................................................................................. 5
3.2 IT Value Chain and IT4IT Reference Architecture ................................................ 7
3.3 IT Value Streams .................................................................................................. 9
3.3.1 Strategy to Portfolio ............................................................................... 9
3.3.2 Requirement to Deploy ........................................................................ 11
3.3.3 Request to Fulfill ................................................................................. 12
3.3.4 Detect to Correct .................................................................................. 13
3.4 IT4IT Reference Architecture ............................................................................. 14
3.4.1 Service Model ...................................................................................... 15
3.4.2 Information Model ............................................................................... 16
3.4.3 Functional Model ................................................................................. 18
3.4.4 Integration Model................................................................................. 21
4
IT4IT Core ................................................................................................................... 23
4.1 Introduction ........................................................................................................ 23
4.2 IT4IT Abstraction Levels and Class Structure ..................................................... 23
4.2.1 IT4IT Abstractions ............................................................................... 23
4.2.2 Concepts at Level 1: End-to-End Overview .......................................... 24
4.2.3 Level 1 Reference Architecture Model ................................................. 29
4.2.4 Concepts at Level 2: Value Stream Documentation .............................. 30
4.2.5 Level 2 Reference Architecture Diagram (Example) ............................. 36
4.2.6 Concepts at Level 3: Vendor-Independent Architecture ........................ 37
4.2.7 Level 3 Reference Architecture Diagram (Example) ............................. 41
4.2.8 Concepts at Levels 4 and 5 – Vendor Extensions .................................. 42
5
Strategy to Portfolio (S2P) Value Stream ...................................................................... 44
5.1 Objectives ........................................................................................................... 44
iv Open Group Standard (2015)
5.2 Business Value Proposition ................................................................................. 45
5.3 Key Performance Indicators ................................................................................ 45
5.4 Value Stream Definition ..................................................................................... 46
5.4.1 Enterprise Architecture Functional Component .................................... 47
5.4.2 Policy Functional Component .............................................................. 49
5.4.3 Proposal Functional Component ........................................................... 51
5.4.4 Portfolio Demand Functional Component ............................................. 53
5.4.5 Service Portfolio Functional Component .............................................. 55
5.4.6 IT Investment Portfolio Auxiliary Functional Component .................... 57
6
Requirement to Deploy (R2D) Value Stream ................................................................ 60
6.1 Objectives ........................................................................................................... 60
6.2 Business Value Proposition ................................................................................. 62
6.3 Key Performance Indicators ................................................................................ 63
6.4 Value Stream Definition ..................................................................................... 64
6.4.1 Project Functional Component ............................................................. 68
6.4.2 Requirement Functional Component .................................................... 70
6.4.3 Service Design Functional Component ................................................. 73
6.4.4 Source Control Functional Component ................................................. 76
6.4.5 Build Functional Component ................................................................ 78
6.4.6 Build Package Functional Component .................................................. 80
6.4.7 Release Composition Functional Component ........................................ 81
6.4.8 Test Functional Component .................................................................. 85
6.4.9 Defect Functional Component .............................................................. 87
7
Request to Fulfill (R2F) Value Stream .......................................................................... 91
7.1 Objectives ........................................................................................................... 91
7.2 Business Value Proposition ................................................................................. 92
7.3 Key Performance Indicators ................................................................................ 93
7.4 Value Stream Definition ..................................................................................... 94
7.4.1 Engagement Experience Portal (Secondary Functional
Component) ......................................................................................... 96
7.4.2 Offer Consumption Functional Component .......................................... 99
7.4.3 Offer Management Functional Component ......................................... 101
7.4.4 Catalog Composition Functional Component...................................... 103
7.4.5 Request Rationalization Functional Component.................................. 105
7.4.6 Fulfillment Execution Functional Component..................................... 108
7.4.7 Usage Functional Component ............................................................. 111
7.4.8 Chargeback/Showback Functional Component ................................... 113
7.4.9 Knowledge & Collaboration Supporting Function .............................. 115
8
Detect to Correct (D2C) Value Stream ........................................................................ 118
8.1 Objectives ......................................................................................................... 118
8.2 Business Value Proposition ............................................................................... 119
8.3 Key Performance Indicators .............................................................................. 120
8.4 Value Stream Definition ................................................................................... 121
8.4.1 Service Monitoring Functional Component ........................................ 123
8.4.2 Event Functional Component ............................................................. 126
8.4.3 Incident Functional Component .......................................................... 128
The Open Group IT4IT™ Reference Architecture, Version 2.0 v
8.4.4 Problem Functional Component ......................................................... 131
8.4.5 Change Control Functional Component .............................................. 133
8.4.6 Configuration Management Functional Component ............................ 136
8.4.7 Diagnostics & Remediation Functional Component ............................ 139
8.4.8 Service Level Functional Component ................................................. 141
8.4.9 Other IT Operations Areas ................................................................. 144
A
Rationale (Informative) ............................................................................................... 145
A.1 Introduction ...................................................................................................... 145
A.2 Definitions ........................................................................................................ 145
A.3 Overview .......................................................................................................... 145
A.3.1 Business Drivers for an Improved IT Operating Model ....................... 146
A.3.2 The IT Value Chain............................................................................ 147
A.4 IT4IT Core ....................................................................................................... 148
A.4.1 Value Streams .................................................................................... 148
A.4.2 Functional Components ...................................................................... 149
A.5 Strategy to Portfolio Value Stream .................................................................... 149
A.5.1 Related Standards, Frameworks, and Guidance .................................. 149
A.6 Requirement to Deploy Value Stream ............................................................... 150
A.6.1 Related Standards, Frameworks, and Guidance .................................. 150
A.7 Request to Fulfill Value Stream ........................................................................ 151
A.7.1 Related Standards, Frameworks, and Guidance .................................. 151
A.8 Detect to Correct Value Stream ......................................................................... 152
A.8.1 Related Standards, Frameworks, and Guidance .................................. 152
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