Delivering Utility Computing: Business-Driven IT Optimization

372 Pages·2006·7.334 MB·English

by  Guy Bunker, Darren Thomson

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Delivering Utility
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Business-driven IT Optimization
GuyBunkerandDarrenThomson
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Delivering Utility
Computing
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Delivering Utility
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Business-driven IT Optimization
GuyBunkerandDarrenThomson
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Copyright(cid:1)C 2006 VERITASSoftwareCorporation.Allrightsreserved.
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Contents
TimeandITMarchon ix
AbouttheAuthors xi
Foreword xiii
Acknowledgments xvii
WhoShouldReadThisBookandWhy? xix
ListofFigures xxi
ListofTables xxv
PartOne: IntroducingUtilityComputing 1
1 Introduction 3
2 WhatisUtilityComputing? 7
2.1 Overview 7
2.2 TheChangingRoleofIT 7
2.3 UtilityComputing 11
2.4 ReturnonInvestment 17
2.5 WhyNow? 19
2.6 ItisNotAllorNothing 21
2.7 FurtherImplicationsofUtilityComputing 27
2.8 Summary 28
Reference 28
DeliveringUtilityComputing. GuyBunkerandDarrenThomson
(cid:1)C2006VERITASSoftwareCorporation.Allrightsreserved.
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3 HistoricalTrends,or‘IsUtilityComputingReallyNew?’ 29
3.1 Overview 29
3.2 BacktotheBeginning 29
3.3 Connectivity:TheGreatEnabler 32
3.4 TheWebandtheReturntoUtilityComputing 34
3.5 Pay-As-You-GrowDataProcessing 36
3.6 UtilityComputingandtheIndustry 37
3.7 Summary 40
4 TheUtilityModelinDetail 43
4.1 Overview 43
4.2 TheEssentialsofaUtility 44
4.3 TheUtilityModelinDetail(AnAnalogy) 44
4.4 ShouldInformationServicesBeanyDifferent? 61
4.5 Summary 62
5 ServiceLevelAgreements 63
5.1 Overview 63
5.2 AnEverydayEvent 63
5.3 DefiningServicesandtheServiceLevelAgreement 65
5.4 CreatingComplexServices 77
5.5 ManagingServices 79
5.6 SharingRiskwithSuppliers 83
5.7 Summary 85
PartTwo: TransformationalModeling 87
6 ProjectJustificationandFocus 89
6.1 Overview 89
6.2 BusinessDriversandProjectJustification 90
6.3 HowtoFindWheretoStart 91
7 TheUtilityComputingReferenceModel 95
7.1 Overview 95
7.2 TheServiceLayer 97
7.3 TheProcessLayer 114
7.4 TheOrganizationalLayer 134
8 AMaturityModelforUtilityComputing 147
8.1 Overview 147
8.2 TheMaturityLevelsinDetail 149
8.3 CreatingaUtilityComputingScorecard 160
8.4 MovingUptheMaturityModel(GenericTasks) 162
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CONTENTS vii
9 ATransformationalApproach 167
9.1 Overview 167
9.2 ThePreparePhase 173
9.3 TheModelPhase 176
9.4 TheTransformPhase 179
9.5 TheOperate/InnovatePhase 182
10 TechnologyforUtilityComputing 187
10.1 Overview 187
10.2 Virtualization 187
10.3 PerformanceMonitoring 197
10.4 Reporting 199
10.5 Automation 200
10.6 ChargebackAccounting 203
10.7 ServiceLevelManagement 205
10.8 Hardware 208
10.9 Summary 210
Reference 210
PartThree: ImplicationsofUtilityComputing 211
11 CulturalImplications 213
11.1 Overview 213
11.2 WhattoExpect,GettingReadyforTransformation 214
11.3 MovingFromAssetOwnershiptoServiceLevelAgreements 224
11.4 EffectiveCorporateCommunications 226
11.5 Summary 228
12 DevelopingaSuccessfulAdoptionStrategy 229
12.1 Overview 229
12.2 TypesofAdoptionStrategy 230
12.3 ChoosingaPartner 234
12.4 TheComparisontoOutsourcing 238
12.5 Security 238
12.6 GoodTargetsforUtilityComputingAdoption 241
12.7 BrownFieldVersusGreenFieldOpportunities 244
12.8 UsingITConsolidationasaStartingPoint 245
12.9 Summary 251
13 FutureTrends 253
13.1 Overview 253
13.2 Standards 254
13.3 PackagedSolutions 254
13.4 Service-OrientedArchitecture 255
13.5 Virtualization 256
13.6 TheEndofApplicationsasweKnowThem? 257
13.7 GridComputing 258