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  1. 1. The Official Introduction to the ITILService Lifecycle London: TSO
  2. 2. Published by TSO (The Stationery Office) and available,Telephone, Fax & E-mailTSOPO Box 29, Norwich NR3 1GNTelephone orders/General enquiries: 0870 600 5522Fax orders: 0870 600 5533E-mail: 0870 240 3701TSO Shops16 Arthur Street, Belfast BT1 4GD028 9023 8451 Fax 028 9023 540171 Lothian Road, Edinburgh EH3 9AZ0870 606 5566 Fax 0870 606 5588TSO@Blackwell and other Accredited AgentsPublished with the permission of the Office of Government Commerce on behalf of the Controller of Her Majesty’s Stationery Office.© Crown Copyright 2007This is a Crown copyright value added product, reuse of which requires a Click-Use Licence for value added material issued by OPSI.Applications to reuse, reproduce or republish material in this publication should be sent to OPSI, Information Policy Team, St Clements House, 2-16 Colegate,Norwich, NR3 1BQ, Tel No (01603) 621000 Fax No (01603) 723000, E-mail: , or complete the application form onthe OPSI website, in consultation with Office of Government Commerce (OGC), may then prepare a Value Added Licence based on standard terms tailored to yourparticular requirements including payment termsThe OGC logo ® is a Registered Trade Mark of the Office of Government Commerce in the United KingdomITIL® is a Registered Trade Mark of the Office of Government Commerce in the United Kingdom and other countriesThe swirl logo ™ is a Trade Mark of the Office of Government CommerceFirst published 2007ISBN 9780113310616Printed in the United Kingdom for The Stationery OfficeN5635491 c60 08/07
  3. 3. | iiiContentsList of figures vi 2.7 ITIL conformance or compliance – practice adaptation 13List of tables viii 2.8 Getting started – Service Lifecycle principles 14OGC’s foreword ix 3 The ITIL Service ManagementChief Architect’s foreword x Lifecycle – core of practice 17 3.1 Functions and Processes across the lifecycle 20Preface xi 4 Service Strategy – governance and1 Introduction 1 decision-making 23 1.1 A historical perspective of IT service management and ITIL 3 4.1 Strategic assessment 25 1.2 ITIL today 3 4.2 Developing strategic capabilities 27 1.3 The ITIL value proposition 4 4.3 Service Provider types – matching need to capability 27 1.4 The ITIL service management practices 4 4.4 Services as assets – value creation 28 1.5 What is a service? 5 4.5 Defining the market space 29 1.6 Navigating the ITIL Service 4.6 Service Portfolios 30 Management Lifecycle 5 4.7 Service outsourcing – practical decision-making 332 Core guidance topics 9 4.8 Return on investment (ROI) 35 2.1 Service Strategy 11 4.9 Financial Management 36 2.2 Service Design 11 4.10 Increasing service potential 38 2.3 Service Transition 12 4.11 Organizational development 39 2.4 Service Operation 12 2.5 Continual Service Improvement 12 2.6 Lifecycle quality control 13
  4. 4. iv | Contents 5 Service Design – building structural 7 Service Operation 91 service integrity 43 7.1 Business value 94 5.1 Business value 46 7.2 Event Management 94 5.2 Five aspects of Service Design 46 7.3 Incident Management 96 5.3 Identifying service requirements 47 7.4 Request Fulfilment 99 5.4 Service Design models 48 7.5 Problem Management 101 5.5 Delivery model options 49 7.6 Access Management 105 5.6 Service Catalogue Management 50 7.7 Service Operation functions 106 5.7 Service Level Management 52 7.8 IT Operations Management 116 5.8 Capacity Management 55 7.9 Application Management 117 5.9 Availability Management 60 7.10 Service Operation and project 5.10 IT Service Continuity Management 64 management 121 5.11 Information Security Management 66 7.11 Assessing and managing risk in Service Operation 122 5.12 Supplier Management 70 7.12 Operational staff in Service Design and Transition 122 6 Service Transition – preparing for change 73 8 Continual Service Improvement 125 6.1 Transition Planning and Support 76 8.1 Purpose of CSI 125 6.2 Change Management 80 8.2 CSI objectives 126 6.3 Asset and Configuration Management 83 8.3 Business drivers 128 6.4 Release and Deployment 8.4 Technology drivers 128 Management 86 8.5 Service measurement 129 6.5 Service Validation and Testing 8.6 Continual Service Improvement Releases 88 processes 129 8.7 Service reporting 140
  5. 5. Contents | v9 Complementary guidance 145 9.1 ITIL and other frameworks, practices and standards 14510 The ITIL Service Management Model 149 10.1 Model element types 149 10.2 Basic elements 151 10.3 Creating a service 155 10.4 Strategy generation 155 10.5 Deciding the course of action to create a new service 158Acronyms 173Glossary 177Index 227
  6. 6. vi | List of figures Figure 2.1 The Deming Quality Cycle Figure 6.1 The Service Transition process Figure 3.1 The ITIL Service Lifecycle Figure 6.2 Normal Change Model Figure 3.2 Process architecture Figure 6.3 Service Asset and Configuration Management – interfaces to the lifecycle Figure 3.3 Continual feedback loop Figure 6.4 Example of a release package Figure 4.1 Service Provider capabilities and resources Figure 6.5 Service testing and validation Figure 4.2 Actionable components of service definitions in terms of utility Figure 7.1 The Event Management process Figure 4.3 Service Portfolio Figure 7.2 The Incident Management process flow Figure 4.4 Elements of a Service Portfolio and Service Figure 7.3 The Problem Management process flow Catalogue Figure 7.4 Single monitor control loop Figure 4.5 Service Portfolio management Figure 7.5 Complex monitor control loop Figure 4.6 Business impact and ROI outcome Figure 7.6 ITSM monitor control loop Figure 5.1 Design dependencies Figure 7.7 Role of Application Management in the Figure 5.2 Service Catalogue elements application lifecycle Figure 5.3 The Service Level Management process Figure 8.1 Continual Service Improvement model Figure 5.4 Component-based Service Level Package Figure 8.2 Seven-step Improvement Process Figure 5.5 Capacity Management elements Figure 8.3 Number of incident tickets opened over time Figure 5.6 The Availability Management process Figure 8.4 Service reporting process Figure 5.7 Relationship between levels of availability Figure 10.1 Service Management Model element types and overall costs Figure 10.2 Service Lifecycle governance and operational Figure 5.8 Service Continuity lifecycle elements Figure 5.9 IT Security Management process Figure 10.3 Typical Type I Service Provider interactions Figure 5.10 Supplier Management – roles and interfaces Figure 10.4 Type II Service Provider interactions Figure 10.5 Type III Service Provider interactions Figure 10.6 Basic Service Management Model process elements
  7. 7. List of figures | viiFigure 10.7 ITIL Service Lifecycle main practice elementsFigure 10.8 Forming and formulating a Service StrategyFigure 10.9 The Service PortfolioFigure 10.10 Stage 1 – Service Strategy elementsFigure 10.11 Stage 2 – Design service solutionFigure 10.12 Stage 3 – Transition the serviceFigure 10.13 Change Management elementsFigure 10.14 Normal Change Management processFigure 10.15 Information flows at the Service Transition stageFigure 10.16 Stage 4 – Operate the serviceFigure 10.17 The Event Management processFigure 10.18 The Incident Management process flowFigure 10.19 Information flow in the Service Operation stageFigure 10.20 Stage 5 – Continual Service ImprovementFigure 10.21 Information flow within Continual Service ImprovementFigure 10.22 Integrated lifecycle elements flowFigure 10.23 Layered view of the main elements in the Service Lifecycle
  8. 8. viii | List of tables Table 2.1 Roles and core guides Table 4.1 Factors in strategic assessment Table 4.2 Types of sourcing structures Table 4.3 Example of increased Service Potential Table 4.4 Basic organizational structures for types of service strategies Table 5.1 Delivery model options Table 8.1 Service metric examples
  9. 9. | ixOGC’s forewordAs co-founder of the ITIL concept and leader of its earlydevelopment, I’m delighted by the positive impact it hasmade on companies and organizations around the world.What began as a UK government initiative to set out anefficient, successful and reliable approach to servicemanagement is now a global endeavour, withpublications, training and support tools available in variouslanguages. Of course, successful growth doesn’t happenby chance and ITIL has proven itself many times overthrough the benefits it brings to the businesses thatembed its practices.Since its creation in the late 1980s, ITIL has beendeveloped to keep up to date with a constantly changingservice management environment. Here in the latestversion, I am pleased to see a top-quality product.Consultation with experts on a global scale brings youleading practices, identified through experience andbrought together with the skills and expertise of ourpublishing partner, The Stationery Office (TSO).I believe ITIL will continue to play an important role withingovernment as an effective standard framework fordelivery. However, the real value in ITIL is that its benefitsare available to every organization, large or small, with agenuine desire to deliver a high-performing serviceprovision. May your organization be one of those!John StewartOffice of Government Commerce
  10. 10. x | Chief Architect’s foreword This book is dedicated to the people who practise IT service management. Through their knowledge and experiences we have shaped the present and can see further toward the future along our journey to service excellence. Over the past two decades the world of IT has changed dramatically. The IT Infrastructure Library framework has grown along with it and has shaped a community of practice that has spawned an entire industry. What hasn’t changed in all that time is the need for us as practitioners of service management to learn how best practices evolve and how they support and influence the customer’s successes or failures. In a world of growing complexity, choice and globalization, ITIL has remained at the heart of the industry, growing and evolving to meet the needs of service providers. The current version of ITIL is a product of this evolution. Within the pages of this book, we will introduce ITIL to the novice, further educate the practitioner and transform our understanding of IT service management best practices. This book captures the basic concepts of the ITIL Service Lifecycle and its benefits. It serves as a reference to ITIL service management practices, but should not be considered a substitute for the ITIL core practice set. It is from here we begin the journey into the ITIL service management practices. Sharon Taylor Chief Architect, ITIL Service Management Practices
  11. 11. | xiPrefaceLife-cycle (noun) – The various stages through which a Adulthood – where we hone our skills and perform withinliving thing passes (Kernerman English Multilingual expected societal parameters. We strive to improve ourDictionary) capabilities continually and define our value. By this time, we have built a complex network of relationships andThe very term ‘lifecycle’ is used to describe the evolution dependencies to others. The world we live in has becomeof many living things in this world from their creation to far more complex than in childhood and managing ourexpiration. The time between creation and expiration is lives more challenging.the ‘journey’. If you replace the human metaphor above with theWe need only look at our own life journeys to see a living lifecycle of service management, you will see manyexample. similarities. This is because the ITIL Service LifecycleCreation – the first part of our journey. As an embryo represents the same evolution – from creation todevelops, its life blueprint is being established through the expiration – and the stages in the ITIL Service Lifecycle arearchitecture of its DNA. The embryo’s genetic structure will what fall in between.dictate its capability, propensity for immunity or We often forget that services are living things. Theyvulnerability to disease, and certain personality require sustenance to survive, they must continually adaptcharacteristics it will carry throughout life. and evolve with changing needs of the business, and theyChildhood – the formative stage. We are influenced by our will pass through various stages over their lifetime.exposure to the world around us and can influence our Services are constrained by their genetic blueprint – risks,life blueprint in how we manifest and integrate ourselves financial investment, culture and economics – but shouldwith the world around us. Our understanding of our evolve to influence their value through interaction,needs, both for growth and creativity, are our evolution, dependencies and relationships, and to exploit‘requirements’ that allow us to create value for ourselves these for positive outcomes.and those who come into contact with us. This book will take you through these Service Lifecycle stages and show how to apply the knowledge contained in the ITIL core lifecycle publications.
  12. 12. Introduction 1
  13. 13. | 31 Introduction1.1 A HISTORICAL PERSPECTIVE OF IT the itSMF has members worldwide as ITIL’s popularity SERVICE MANAGEMENT AND ITIL continues to grow.IT service management (ITSM) evolved naturally as services A formal standard for ITSM, The British Standard 15000,became underpinned in time by the developing largely based on ITIL practices, was established andtechnology. In its early years, IT was mainly focused on followed by various national standards in numerousapplication development – all the new possibilities countries. Since then the ISO 20000:2005 Standard wasseeming to be ends in themselves. Harnessing the introduced and gained rapid recognition globally.apparent benefits of these new technologies meant ITIL’s next revision began in the mid 1990s, until 2004.concentrating on delivering the created applications as a Version 2 of ITIL, as it is commonly referred to, was a morepart of a larger service offering, supporting the business targeted product – with nine books – explicitly bridgingitself. the gap between technology and business, and withDuring the 1980s, as the practice of service management guidance focused strongly on the processes required togrew, so too did the dependency of the business. Meeting deliver effective services to the business customer.the business need called for a more radical refocus for anIT service approach and the ‘IT help desk’ emerged to deal 1.2 ITIL TODAYwith the frequency of issues suffered by those trying touse IT services in delivery of their business. In 2004, the OGC began the second major refresh initiative of ITIL, in recognition of the massive advancements inAt the same time, the UK government, fuelled by a need technology and emerging challenges for IT servicefor finding efficiencies, set out to document how the best providers. New technology architectures, virtualization andand most successful organizations approached service outsourcing became a mainstay of IT and the process-management. By the late 1980s and early 1990s, they had based approach of ITIL needed to be revamped to addressproduced a series of books documenting an approach to service management challenges.the IT service management needed to support businessusers. This library of practice was entitled the IT After twenty years ITIL remains the most recognizedInfrastructure Library – ITIL to its friends. framework for ITSM in the world. While it has evolved and changed its breadth and depth, it preserves theThe original Library grew to over 40 books, and started a fundamental concepts of leading practice.chain reaction of interest in the UK IT service community.The term ‘IT service management’ had not been coined at 1.2.1 Why is ITIL so successful?this point, but became a common term around the mid ITIL is intentionally composed of a common sense1990s as the popularity of ITIL grew. In 1991, a user forum, approach to service management – do what works. Andthe IT Information Management Forum (ITIMF), was what works is adapting a common framework of practicescreated to bring ITIL users together to exchange ideas and that unite all areas of IT service provision toward a singlelearn from each other, and would eventually change its aim – delivering value to the business. The following listname to the IT Service Management Forum (itSMF). Today,
  14. 14. 4 | Introduction defines the key characteristics of ITIL that contribute to its customer needs, but from predicting them through global success: preparation, analysis and examining customer usage patterns. Non-proprietary – ITIL service management practices are applicable in any IT organization because they are The next significant characteristic is the systematic use of not based on any particular technology platform, or service management practices that are responsive, industry type. ITIL is owned by the UK government and consistent and measurable, and define the provider’s not tied to any commercial proprietary practice or quality in the eyes of their customers. These practices solution provide stability and predictability, and permeate the Non-prescriptive – ITIL offers robust, mature and service provider’s culture. time-tested practices that have applicability to all types The final characteristic is the provider’s ability to of service organizations. It continues to be useful and continuously analyse and fine tune service provision to relevant in public and private sectors, internal and maintain stable, reliable yet adaptive and responsive external service providers, small, medium and large services that allow the customer to focus on their business enterprise, and within any technical environment without concern for IT service reliability. Best practice – ITIL service management practices represent the learning experiences and thought In these situations you see a trusted partnership between leadership of the world’s best in class service providers the customer and the service provider. They share risk and reward and evolve together. Each knows they play a role Good practice – Not every practice in ITIL can be in the success of the other. considered ‘best practice’, and for good reason. For many, a blend of common, good and best practices As a service provider, this is what you want to achieve. As are what give meaning and achievability to ITSM. In a customer, this is what you want in a service provider. some respects, best practices are the flavour of the Take a moment look around at the industry high- day. All best practices become common practices over performing service providers. You’ll see that most use ITIL time, being replaced by new best practices. Service Management practices. This isn’t coincidence at all. 1.3 THE ITIL VALUE PROPOSITION 1.4 THE ITIL SERVICE MANAGEMENT All high-performing service providers share similar PRACTICES characteristics. This is not coincidence. There are specific When we turn on a water tap, we expect to see water flow capabilities inherent in their success that they demonstrate from it. When we press down a light switch, we expect to consistently. A core capability is their strategy. If you were see light fill the room. Not so many years ago these very to ask a high-achieving service provider what makes them basic things were not as reliable as they are today. We distinctive from their competitors, they would tell you that know instinctively that the advances in technology have it is their intrinsic understanding of how they provide made them reliable enough to be considered a utility. But value to their customers. They understand the customer’s it isn’t just the technology that makes the services reliable. business objectives and the role they play in enabling It is how they are managed. This is service management! those objectives to be met. A closer look would reveal that their ability to do this does not come from reacting to
  15. 15. Introduction | 5The use of IT today has become the utility of business. community of individuals and organizations in the publicSimply having the best technology will not ensure it and private sectors fosters its growth and maturity. Formalprovides utility-like reliability. Professional, responsive, schemes exist for the education, training and certificationvalue-driven service management is what brings this of practising organizations, and individuals influence itsquality of service to the business. quality. Industry best practices, academic research and formal standards contribute to its intellectual capital andThe objective of the ITIL Service Management practice draw from it.framework is to provide services to business customersthat are fit for purpose, stable and that are so reliable, the The origins of service management are in traditionalbusiness views them as a trusted utility. service businesses such as airlines, banks, hotels and phone companies. Its practice has grown with theITIL offers best practice guidance applicable to all types of adoption by IT organizations of a service-orientedorganizations who provide services to a business. Each approach to managing IT applications, infrastructure andpublication addresses capabilities having direct impact on processes. Solutions to business problems and support fora service provider’s performance. The structure of the core business models, strategies and operations are increasinglypractice takes form in a Service Lifecycle. It is iterative and in the form of services. The popularity of shared servicesmultidimensional. It ensures organizations are set up to and outsourcing has contributed to the increase in theleverage capabilities in one area for learning and number of organizations who are service providers,improvements in others. The core is expected to provide including internal organizational units. This in turn hasstructure, stability and strength to service management strengthened the practice of service management and atcapabilities with durable principles, methods and tools. the same time imposed greater challenges upon it.This serves to protect investments and provide thenecessary basis for measurement, learning and Definition of a serviceimprovement. A ‘service’ is a means of delivering value to customers by facilitating outcomes customers want to achieveThe guidance in ITIL can be adapted for use in various without the ownership of specific costs and environments and organizational strategies. Thecomplementary guidance provides flexibility to implement There are a variety of contexts in which the definition ofthe core in a diverse range of environments. Practitioners a service can be expanded upon, but as a basiccan select complementary guidance as needed to provide concept, service is the means of delivering value, andtraction for the core in a given business context, much like no matter how your organization chooses to define atyres are selected based on the type of automobile, service, this must be at the heart of what defines apurpose and road conditions. This is to increase the service.durability and portability of knowledge assets and toprotect investments in service management capabilities. 1.6 NAVIGATING THE ITIL SERVICE MANAGEMENT LIFECYCLE1.5 WHAT IS A SERVICE? Before discussing the principles of ITIL serviceService management is more than just a set of capabilities. management practices, it is helpful to understand theIt is also a professional practice supported by an extensive overall content structure and how topics areas arebody of knowledge, experience and skills. A global
  16. 16. 6 | Introduction organized within each of the books that together Lifecycle processes and activities comprise the practices. The Service Lifecycle stages rely on processes to execute The ITIL service management practices are comprised of each element of the practice in a consistent, measurable, three main sets of products and services: repeatable way. Each core publication identifies the processes it makes use of, how they integrate with the ITIL service management practices – core guidance other stages of the lifecycle, and the activities needed to ITIL service management practices – complementary carry them out. guidance ITIL web support services. Supporting organization structures and roles Each publication identifies the organizational roles and 1.6.1 ITIL service management practices – responsibilities that should be considered to manage the core guidance Service Lifecycle. These roles are provided as a guideline The core set consists of six publications: and can be combined to fit into a variety of organization structures. Suggestions for optimal organization structures Introduction to ITIL Service Management Practices are also provided. (this publication) Service Strategy Technology considerations Service Design ITIL service management practices gain momentum when Service Transition the right type of technical automation is applied. Each Service Operation lifecycle publication makes recommendations on the areas Continual Service Improvement. to focus technology automation on, and the basic A common structure across all the core guidance requirements a service provider will want to consider publications helps to easily find references between when choosing service management tools. volumes and where to look for similar guidance topics within each stage of the lifecycle: Practice implementation For organizations new to ITIL, or those wishing to improve Practice fundamentals their practice maturity and service capability, each This section of each core publication sets out the business publication outlines the best ways to implement the ITIL case argument of the need for viewing service Service Lifecycle stage. management in a lifecycle context and an overview of the practices in that stage of the lifecycle that contributes to Challenges, risks and critical success factors it. It briefly outlines the context for the practices that These are always present in any organization. Each follow and how they contribute to business value. publication highlights the common challenges, risks and success factors that most organizations experience and Practice principles how to overcome them. Practice principles are the policies and governance aspects of that lifecycle stage that anchor the tactical processes and activities to achieving their objectives.
  17. 17. Introduction | 7Complementary guidanceThere are many external methods, practices andframeworks that align well to ITIL practices. Eachpublication provides a list of these and how theyintegrate into the ITIL Service Lifecycle, when they areuseful and how.Examples and templatesEach publication provides working templates andexamples of how the practices can be applied. They areprovided to help you capitalize on the industry experienceand expertise already in use. Each can be adapted withinyour particular organizational context.1.6.2 ITIL service management practices – complementary guidanceThis is a living library of publications with guidancespecific to industry sectors, organization types, operatingmodels and technology architectures. Each publicationsupports and enhances the guidance in the ITIL core.Publications in this category will be continually added tothe complementary library of practice and will containcontributions from the expert and user ITSM community.In this way, ITIL practices are illustrated in real-lifesituations and in a variety of contexts that add value andknowledge to your own ITIL practice.1.6.3 ITIL web support servicesThese products are online, interactive services including aGlossary of Terms and Definitions, Interactive ServiceManagement Model, online subscriber services, casestudies, templates and ITIL Live® (,an interactive expert knowledge centre where users canaccess time with ITSM experts to discuss questions andissues, and seek advice.
  18. 18. Core guidance topics 2
  19. 19. | 112 Core guidance topics serving customers and market spaces, and to identify, entary Publica select and prioritize opportunities. Service Strategy is m plem tion about ensuring that organizations are in position to Co s Continual Service Improvement handle the costs and risks associated with their service portfolios, and are set up not just for operational Service Design effectiveness but for distinctive performance. Service Strategy Organizations already practicing ITIL use Service Strategy to guide a strategic review of their ITIL-based service ITIL management capabilities and to improve the alignment Service Operation Service between those capabilities and their business strategies. me ce Transition Co mpro ve ervi This ITIL volume encourages readers to stop and think nti nt I pro l S nu vem Im inua al about why something is to be done before thinking of Se nt nt rvi Co e ce how. We es b Su vic pport Ser 2.2 SERVICE DESIGN ‘If you build it, they will come’ is a saying from a famous2.1 SERVICE STRATEGY 1989 Hollywood movie, Field of Dreams. But if you build it and it doesn’t provide value, they will soon leave!At the core of the Service Lifecycle is Service Strategy. For services to provide true value to the business, theyService Strategy provides guidance on how to view service must be designed with the business objectives in not only as an organizational capability but Service Design is the stage in the lifecycle that turnsas a strategic asset. Guidance is provided on the principles Service Strategy into the blueprint for delivering theunderpinning the practice of service management which business objectives.are useful for developing service management policies,guidelines and processes across the ITIL Service Lifecycle. Service Design provides guidance for the design and development of services and service managementTopics covered in Service Strategy include the practices. It covers design principles and methods fordevelopment of service markets, characteristics of internal converting strategic objectives into portfolios of servicesand external provider types, service assets, the service and service assets. The scope of Service Design is notportfolio and implementation of strategy through the limited to new services. It includes the changes andService Lifecycle. Financial Management, Demand improvements necessary to increase or maintain value toManagement, Organizational Development and Strategic customers over the lifecycle of services, the continuity ofRisks are among other major topics. services, achievement of service levels, and conformanceOrganizations should use Service Strategy guidance to set to standards and regulations. It guides organizations onobjectives and expectations of performance towards
  20. 20. 12 | Core guidance topics how to develop design capabilities for service 2.4 SERVICE OPERATION management. Service Operation embodies practices in the management Among the key topics in Service Design are Service of the day-to-day operation of services. It includes Catalogue, Availability, Capacity, Continuity and Service guidance on achieving effectiveness and efficiency in the Level Management. delivery and support of services to ensure value for the customer and the service provider. Strategic objectives are 2.3 SERVICE TRANSITION ultimately realized through Service Operation, therefore making it a critical capability. Guidance is provided on Transition [tran-zish-uhn] – Movement, passage, or how to maintain stability in service operations, allowing change from one position, state, stage, subject, concept, for changes in design, scale, scope and service levels. etc., to another; change: the transition from adolescence Organizations are provided with detailed process to adulthood. guidelines, methods and tools for use in two major control Service Transition provides guidance for the development perspectives: reactive and proactive. Managers and and improvement of capabilities for transitioning new and practitioners are provided with knowledge allowing them changed services into live service operation. This to make better decisions in areas such as managing the publication provides guidance on how the requirements of availability of services, controlling demand, optimizing Service Strategy encoded in Service Design are effectively capacity utilization, scheduling of operations and fixing realized in Service Operation while controlling the risks of problems. Guidance is provided on supporting operations failure and disruption. through new models and architectures such as shared services, utility computing, web services and mobile The publication combines practices in Change, commerce. Configuration, Asset, Release and Deployment, Programme and Risk Management and places them in the practical Among the topics in this book are Event, Incident, context of service management. It provides guidance on Problem, Request, Application and Technical Management managing the complexity related to changes to services practices. This book discusses some of the newer industry and service management processes; preventing undesired practices to manage virtual and service-oriented consequences while allowing for innovation. Guidance is architectures. provided on transferring the control of services between customers and service providers. 2.5 CONTINUAL SERVICE IMPROVEMENT Service Transition introduces the Service Knowledge Continual Service Improvement provides instrumental Management System, which builds upon the current data guidance in creating and maintaining value for customers and information within Configuration, Capacity, Known through better design, transition and operation of services. Error, Definitive Media and Assets systems and broadens It combines principles, practices and methods from quality the use of service information into knowledge capability management, change management and capability for decision and management of services. improvement. Organizations learn to realize incremental and large-scale improvements in service quality, operational efficiency and business continuity. Guidance is provided for linking improvement efforts and outcomes
  21. 21. Core guidance topics | 13with service strategy, design and transition. A closed-loop The ITIL framework incorporates the Deming Quality Cyclefeedback system, based on the Plan-Do-Check-Act (PDCA) by applying it to the Service Lifecycle stages. This helpsmodel (see section 2.6), is established and capable of align the practices of ITIL to the structure of externalreceiving inputs for improvements from any planning practices such as COBIT and ISO/IEC 20000.perspective.Guidance on Service Measurement, demonstrating value 2.7 ITIL CONFORMANCE OR COMPLIANCE –with metrics, developing baselines and maturity PRACTICE ADAPTATIONassessments are among the key topics. An important aspect of ITIL is the ‘open-source’ nature of its practices. It is intended and strongly recommended2.6 LIFECYCLE QUALITY CONTROL that organizations adapt ITIL practices within their ownConsistent with the structures adopted by high-performing context, and entrench their own best practices within anbusinesses today and standards bodies around the world, overall Service Management framework.the ITIL Service Lifecycle approach embraces and enhances For example, within Service Transition, ITIL provides athe interpretation of the Deming Quality Cycle (Figure 2.1) selection of Change Management models for standard,of Plan-Do-Check-Act. You will see this quality cycle used normal and emergency Changes. In many cases, thesein the structure of the practices in each of the core guides. models as described in Service Transition may be all you need and they cover the range of possible change types inFigure 2.1 The Deming Quality Cycle Continuous quality control and consolidation Plan Project Plan Do Project Check Audit Act New Actions Maturity Level ACT PLAN Business IT Alignment CHECK DO Effective Quality Improvement Consolidation of the level reached i.e. Baseline Time Scale
  22. 22. 14 | Core guidance topics an organization. Within each model, a specific flow of practices of ITIL and fit well into any organization’s service process and procedure is provided. If in your organization, practices. more steps for an emergency change make sense to meet your requirements and objectives, then you should adapt 2.8 GETTING STARTED – SERVICE LIFECYCLE these into the generic ITIL Change process flow. Doing so does not mean you no longer conform to ITIL. As long as PRINCIPLES the main ITIL process steps, inputs and outputs are In the following chapters you will learn about the key included and the objectives met, that is your best practice concepts within the ITIL Service Lifecycle. You begin by and is fit for purpose in your organizational context. working your way from the core of the lifecycle, Service ITIL is a framework an organization conforms to, not Strategy, then around the revolving lifecycle practices of complies with. There is a major difference between these Service Design, Transition and Operation, finishing with two things and one that is often misunderstood. Continual Service Improvement. Afterward, you should have a clear understanding of the basic concepts of the Conformity allows flexibility in the adaptation of practices ITIL Service Lifecycle and how the core practice within an organizational context while maintaining the publications can be useful to you. This will help readers to overall structure of the framework. Compliance is highly further examine particular areas within any of the core specific, often audited to a formal standard and the guidance books that offer detailed practice information in organization’s practices must mimic externally defined areas that support your day-to-day service management practices. There is a need for both within certain contexts, role. but a key to agile service management practices is knowing which, in what blend and in what context The following table gives a general view of some of the conformance or compliance should apply. more common roles in organizations and the ITIL service management practice core guides that host the day-to-day Many organizations use ITIL as a means to achieve practices, processes and activities most related to those compliance with a formal, audited standard such as roles. ISO/IEC 20000:2005. The design of ITIL is particularly useful for this purpose since the framework is architected to ensure that an organization’s service capabilities are designed and operated using the practices that align to these standards. This standard set outs the key areas of compliance and requires that organizations can demonstrate that they use the management systems and practices in these areas in order to be compliant to the standard. Experts agree that adopting ITIL produces a framework best suited to achieving ISO/IEC 20000 certification. Later in this book a list of common external frameworks, method and standards are provided that have a solid alignment to the
  23. 23. Core guidance topics | 15Table 2.1 Roles and core guidesRole Core guideService Desk Manager/staff Service OperationIncident Manager/Technical Support staff Service Transition and Service OperationOperations Management Service Transition and Service OperationChange Manager/Change Requestor Service TransitionSolution Development Service DesignTesting/Production Assurance Service Transition and Service OperationService Level Manager All core publicationsApplication/Infrastructure Architect All core publicationsSupplier Relationship Management Service DesignIT Steering/Governance Service Strategy, Service DesignCIO/IT Director All core publicationsIT Service Manager All core publicationsPortfolio Manager All core publicationsNOTE: It is extremely important to reiterate that no one core book exists in isolation, just as no one part of service management practice does.Organizations interested in adopting ITIL or further maturing their current ITIL practice must consider the lifecycle in its entirety and the benefitall five of the core books provide. Just as this Introduction book is not a substitute for the core library, one core guide alone is not sufficient toadopt and use the practices to their full potential.
  24. 24. The ITIL ServiceManagement Lifecycle – core of practice 3
  25. 25. | 193 The ITIL Service Management Lifecycle – core of practiceThe Service Lifecycle contains five elements as shown in ensures that as business demand changes with businessFigure 3.1, each of which rely on service principles, need, the services can adapt and respond effectively toprocesses, roles and performance measures. The Service them.Lifecycle uses a hub and spoke design, with Service At the heart of the Service Lifecycle is the key principle –Strategy at the hub, Service Design, Transition and all services must provide measurable value to businessOperation as the revolving lifecycle stages, and anchored objectives and outcomes. ITIL Service Management focusesby Continual Service Improvement. Each part of the on business value as its prime objective. Each practicelifecycle exerts influence on the other and relies on the revolves around ensuring that everything a serviceother for inputs and feedback. In this way, a constant set provider does to manage IT services for the businessof checks and balances throughout the Service LifecycleFigure 3.1 The ITIL Service Lifecycle Service Transition Service Strategy Service Service Design Operation Continual Service Improvement
  26. 26. 20 | The ITIL Service Management Lifecycle – core of practice customer can be measured and quantified in terms of Functions typically define roles and the associated authority business value. This has become extremely important and responsibility for a specific performance and outcomes. today as IT organizations must operate themselves as Coordination between functions through shared processes businesses in order to demonstrate a clear return on is a common pattern in organization design. Functions tend investment and equate service performance with business to optimize their work methods locally to focus on assigned value to the customer. outcomes. Poor coordination between functions combined with an inward focus leads to functional silos that hinder alignment and feedback critical to the success of the 3.1 FUNCTIONS AND PROCESSES ACROSS organization as a whole. Process models help avoid this THE LIFECYCLE problem with functional hierarchies by improving cross- functional coordination and control. Well-defined processes 3.1.1 Functions can improve productivity within and across functions. Functions are units of organizations specialized to perform certain types of work and responsible for specific 3.1.2 Processes outcomes. They are self-contained with capabilities and Processes are examples of closed-loop systems because resources necessary to their performance and outcomes. they provide change and transformation towards a goal, Capabilities include work methods internal to the and use feedback for self-reinforcing and self-corrective functions. Functions have their own body of knowledge, action (Figure 3.2). It is important to consider the entire which accumulates from experience. They provide process or how one process fits into another. structure and stability to organizations. Figure 3.2 Process architecture Data, information Process and knowledge Suppliers Activity 1 Desired Activity 2 outcome Customer Activity 3 Service control and quality Trigger
  27. 27. The ITIL Service Management Lifecycle – core of practice | 21Process definitions describe actions, dependencies and The combination of multiple perspectives allows greatersequence. Processes have the following characteristics: flexibility and control across environments and situations. The lifecycle approach mimics the reality of most They are measurable and are performance driven. organizations where effective management requires the Managers want to measure cost, quality and other use of multiple control perspectives. Those responsible for variables while practitioners are concerned with the design, development and improvement of processes duration and productivity. for service management can adopt a process-based They have specific results. The reason a process exists control perspective. For those responsible for managing is to deliver a specific result. This result must be agreements, contracts and services may be better served individually identifiable and countable. by a lifecycle-based control perspective with distinct They deliver to customers. Every process delivers its phases. Both these control perspectives benefit from primary results to a customer or stakeholder. They may systems thinking. Each control perspective can reveal be internal or external to the organization but the patterns that may not be apparent from the other. process must meet their expectations. They respond to a specific event. While a process may 3.1.4 Feedback throughout the Service be ongoing or iterative, it should be traceable to a Lifecycle specific trigger. The strength of the ITIL Service Lifecycle rests upon continual feedback throughout each stage of the lifecycle.3.1.3 Specialization and coordination across This feedback ensures that service optimization is the lifecycle managed from a business perspective and is measured inSpecialization and coordination are necessary in the terms of the value business derives from services at anylifecycle approach. Feedback and control between the point in time through the Service Lifecycle. The ITILfunctions and processes within and across the elements of Service Lifecycle is non-linear in design. At every point inthe lifecycle make this possible. The dominant pattern in the Service Lifecycle, monitoring, assessment and feedbackthe lifecycle is the sequential progress starting from flows between each stage of the lifecycle which driveService Strategy (SS) through Service Delivery (SD) – decisions about the need for minor course corrections orService Transition (ST) – Service Operation (SO) and back major service improvement initiatives. The following figureto SS through Continual Service Improvement (CSI). That, illustrates some examples of the continual feedbackhowever, is not the only pattern of action. Every element system built into the ITIL Service Lifecycle.of the lifecycle provides points for feedback and control.
  28. 28. 22 | The ITIL Service Management Lifecycle – core of practice Figure 3.3 Continual feedback loop Service Strategies Strategies, Policies, Standards Feedback Lessons Learned Feedback for Improvement Lessons Learned for Improvement Service Design Output Plans to create and modify services and service Feedback management processes Feedback Lessons Learned for Improvement Lessons Learned for Improvement Service Transition Manage the transition of a Output new or changed service and/or service management Feedback process into production Lessons Learned for Improvement Service Operation Day-to-day operations of Output services and service management processes Continual Service Improvement Activities are embedded in the service lifecycle
  29. 29. Service Strategy – governance and decision-making 4
  30. 30. | 254 Service Strategy – governance and decision-making Requirements The business/customers Service Objectives from Strategy Resource and Requirements Constraints Policies StrategiesAs the core of the ITIL Service Lifecycle, Service Strategy Defining the service marketsets the stage for developing a service provider’s core Developing service offeringscapabilities. This chapter will discuss a selection of the key Financial Managementconcepts from the Service Strategy book to help aid the Service Portfoliosunderstanding of the role of Service Strategy in the ITIL Demand ManagementService Lifecycle. Service assessmentImagine you have been given responsibility for an IT Return on investment.organization. This organization could be internal orexternal, commercial or not-for-profit. How would you goabout deciding on a strategy to serve customers? What if 4.1 STRATEGIC ASSESSMENTyou have a variety of customers, all with specific needs In crafting a service strategy, a provider should first take aand demands? How do you define your service strategy to careful look at what it does already. It is likely theremeet all of them? already exists a core of differentiation. An establishedService Strategy provides guidance to help answer that service provider frequently lacks an understanding of itskey question. It is comprised of the following key own unique differentiators. The following questions canconcepts. help expose a service provider’s distinctive capabilities: Value creation Which of our services or service varieties are the most Service assets distinctive? Service Provider types Are there services that the business or customer cannot Service capabilities and resources easily substitute? The differentiation can come in the form Service structures of barriers to entry, such as the organization’s know-how
  31. 31. 26 | Service Strategy – governance and decision-making of the customer’s business or the broadness of service Which of our customers and stakeholders are the offerings. Or it may be in the form of raised switching most satisfied? costs, due to lower cost structures generated through specialization or service sourcing. It may be a particular Which customers, channels or purchase occasions are attribute not readily found elsewhere, such as product the most profitable? knowledge, regulatory compliance, provisioning speeds, Again, the form of value can be monetary, social or other. technical capabilities or global support structures. Which of our activities in our value chain or value Which of our services or service varieties are the most network are the most different and effective? profitable? The answers to these questions will likely reveal patterns The form of value may be monetary, as in higher profits or that lend insight to future strategic decisions. These lower expenses, or social, as in saving lives or collecting decisions, and related objectives, form the basis of a taxes. For non-profit organizations, are there services that strategic assessment. allow the organization to perform its mission better? Service Providers can be present in more than one market Substitute ‘profit’ with ‘benefits realized’. space. As part of strategic planning, Service Providers should analyse their presence across various market spaces. Strategic reviews include the analysis of strengths, weaknesses, opportunities and threats in each market space. Service Providers also analyse their business Table 4.1 Factors in strategic assessment Factor Description Strengths and weaknesses The attributes of the organization. For example, resources and capabilities, service quality, operating leverage, experience, skills, cost structures, customer service, global reach, product knowledge, customer relationships and so on. Distinctive competencies As discussed throughout the chapter, ‘What makes the service provider special to its business or customers?’ Business strategy The perspective, position, plans and patterns received from a business strategy. For example, a Type I and II may be directed, as part of a new business model, to expose services to external partners or over the internet. This is also where the discussion on customer outcomes begins and is carried forward into objectives setting. Critical success factors How will the Service Provider know when it is successful? When must those factors be achieved? Threats and opportunities Includes competitive thinking. For example, ‘Is the service provider vulnerable to substitution?’ Or, ‘Is there a means to outperform competing alternatives?’
  32. 32. Service Strategy – governance and decision-making | 27potential based on un-served or underserved market A multi-disciplinary approach is required to answer suchspaces. This is an important aspect of leadership and questions. Technical knowledge of IT is necessary but notdirection provided by the senior management of Service sufficient. The guidance is pollinated with knowledge fromProviders. The long-term vitality of the Service Provider the disciplines such as operations management,rests on supporting customer needs as they change or marketing, finance, information systems, organizationalgrow as well exploiting new opportunities that emerge. development, systems dynamics and industrialThis analysis identifies opportunities with current and engineering. The result is a body of knowledge robustprospective customers. It also prioritizes investments in enough to be effective across a wide range of businessservice assets based on their potential to serve market environments. Some organizations are putting in place thespaces of interest. For example, if a Service Provider has foundational elements of service management. Others arestrong capabilities and resources in service recovery, it further up the adoption curve, ready to tackle challengesexplores all those market spaces where such assets can and opportunities with higher levels of complexity anddeliver value for customers. uncertainty.4.2 DEVELOPING STRATEGIC CAPABILITIES 4.3 SERVICE PROVIDER TYPES – MATCHINGTo operate and grow successfully in the long term, service NEED TO CAPABILITYproviders must have the ability to think and act in a The aim of service management is to make availablestrategic manner. The purpose of Service Strategy is to capabilities and resources useful to the customer in thehelp organizations develop such abilities. The achievement highly usable form of services at acceptable levels ofof strategic goals or objectives requires the use of strategic quality, cost and risks. Service Providers help relax theassets. The guidance shows how to transform service constraints on customers of ownership and control ofmanagement into a strategic asset. Readers benefit from specific resources. In addition to the value from utilizingseeing the relationships between various services, systems such resources now offered as services, customers areor processes they manage and the business models, freed to focus on what they consider to be their corestrategies or objectives they support. The guidance competence. The relationship between customers andanswers questions of the following kind: Service Providers varies by specialization in ownership and What services should we offer and to whom? control of resources and the coordination of dependencies between different pools of resources. How do we differentiate ourselves from competing alternatives? Service Strategy defines three broad types of Service How do we truly create value for our customers? Providers with whom a customer is likely to engage in How can we make a case for strategic investments? accessing services. How should we define service quality? Type I – Internal Service Provider How do we efficiently allocate resources across a Type I providers are typically business functions portfolio of services? embedded within the business units they serve. The How do we resolve conflicting demands for shared business units themselves may be part of a larger resources? enterprise or parent organization. Business functions such as finance, administration, logistics, human
  33. 33. 28 | Service Strategy – governance and decision-making resources and IT provide services required by various often require customers to have flexible and lean parts of the business. They are funded by overheads structures. In such cases it is better to buy services and are required to operate strictly within the rather than own and operate the assets necessary to mandates of the business. Type I providers have the execute certain business functions and processes. For benefit of tight coupling with their owner-customers, such customers, Type III is the best choice for a given avoiding certain costs and risks associated with set of services. conducting business with external parties. Today, it is common to see all three types combining Type II – Shared Service Provider capabilities to manage services for a customer. The power of Business functions such as finance, IT, human resources this approach lies in selecting the right blend and balance. and logistics are not always at the core of an The Service Strategy publication provides detailed organization’s competitive advantage. Hence, they guidance on provider types and how to decide on the need not be maintained at the corporate level where right blend. they demand the attention of the chief executive’s team. Instead, the services of such shared functions are consolidated into an autonomous special unit called a 4.4 SERVICES AS ASSETS – VALUE shared services unit (SSU). This model allows a more CREATION devolved governing structure under which an SSU can A good business model describes the means of fulfilling an focus on serving business units as direct customers. organization’s objectives. However, without a strategy that SSUs can create, grow and sustain an internal market in some way makes a Service Provider uniquely valuable to for their services and model themselves along the lines the customer, there is little to prevent alternatives from of service providers in the open market. Like corporate displacing the organization, degrading its mission or business functions, they can leverage opportunities entering its market space. A service strategy therefore across the enterprise and spread their costs and risks defines a unique approach for delivering better value. The across a wider base. need for having a service strategy is not limited to Service Type III – External Service Provider Providers who are commercial enterprises. Internal Service Type III providers can offer competitive prices and drive Providers need just as much to have a clear perspective, down unit costs by consolidating demand. Certain positioning and plans to ensure they remain relevant to the business strategies are not adequately served by business strategies of their enterprises. internal Service Providers such as Type I and Type II. Service assets have two main characteristics: Customers may pursue sourcing strategies requiring services from external providers. The motivation may Utility is perceived by the customer from the be access to knowledge, experience, scale, scope, attributes of the service that have a positive effect on capabilities and resources that are either beyond the the performance of tasks associated with desired reach of the organization or outside the scope of a business outcomes. This is fit for purpose. carefully considered investment portfolio. Business Warranty is derived from the positive effect being strategies often require reductions in the asset base, available when needed, in sufficient capacity or fixed costs, operational risks or the redeployment of magnitude, and dependably in terms of continuity and financial assets. Competitive business environments security. This is fit for use.
  34. 34. Service Strategy – governance and decision-making | 29Utility is what the customer gets, and warranty is how it is responds by delivering the performance expected of adelivered. strategic asset. The performance is rewarded with contract renewals, new services and customers, which togetherResources and capabilities are types of assets that, when represent a larger value of business. To handle this increasecombined in various ways, produce service utility and in value, service management must invest further in assetswarranty. Organizations use them to create value in the such as process, knowledge, people, applications andform of goods and services. Resources are direct inputs for infrastructure. Successful learning and growth enablesproduction. Management, organization, people and commitments of higher service levels as serviceknowledge are used to transform resources. Capabilities management gets conditioned to handle bigger challenges.represent an organization’s ability to coordinate, controland deploy resources to produce value. They are typicallyexperience-driven, knowledge-intensive, information-based 4.5 DEFINING THE MARKET SPACEand firmly embedded within an organization’s people, A market space is defined by a set of business outcomes,systems, processes and technologies. which can be facilitated by a service. The opportunity toCustomers perceive benefits in a continued relationship, facilitate those outcomes defines a market space. Theand entrust the provider with the business of increasing following are examples of business outcomes that can bevalue and also adding new customers and market spaces the bases of one or more market spaces:to the realm of possibilities. This justifies further Sales teams are productive with sales managementinvestments in service management in terms of system on wireless computerscapabilities and resources, which have a tendency to E-commerce website is linked to the warehousereinforce each other. management systemCustomers may initially trust the provider with low-value Key business applications are monitored and securecontracts or non-critical services. Service managementFigure 4.1 Service Provider capabilities and resources Capabilities Resources A1 Management Financial capital A9 A2 Organization Infrastructure A8 A3 Processes Applications A7 A4 Knowledge Information A6 People A5 People
  35. 35. 30 | Service Strategy – governance and decision-making Loan officers have faster access to information required services create value for customers. Services are often on loan applicants defined in terms of resources made available for use by Online bill payment service offers more options for customers. Service definitions lack clarity in the context in shoppers to pay which such resources are useful, and the business Business continuity is assured. outcomes that justify their cost from a customer’s perspective. This problem leads to poor designs, Each of the conditions is related to one or more categories ineffective operation and lacklustre performance in service of customer assets, such as people, infrastructure, contracts. Service improvements are difficult when it is not information, accounts receivables and purchase orders, clear where improvements are truly required. Customers and can then be linked to the services that make them can understand and appreciate improvements only within possible. the context of their own business assets, performances Customers will prefer the one that means lower costs and and outcomes. It is therefore important the Service risks. Service Providers create these conditions through Providers identify their market spaces by ensuring they the services they deliver and thereby provide support for define service by business outcomes such as those customers to achieve specific business outcomes. described above and in Figure 4.2. A market space therefore represents a set of opportunities for Service Providers to deliver value to a customer’s 4.6 SERVICE PORTFOLIOS business through one or more services. This approach has The Service Portfolio (Figure 4.3) represents the definite value for Service Providers in building strong commitments and investments made by a Service Provider relationships with customers. Often it is not clear how across all customers and market spaces. It represents Figure 4.2 Actionable components of service definitions in terms of utility Lines of Service Utility Part A Utility Part B Mobile workspace field staff securely access enterprise being constrained by services location or time applications Credit reporting provide value to loans officers determine credit- slowing down the services the customer without loan process when rating of applicants Business disruption or loss business processes from failures or continuity services continue to operate disastrous events (Catalogue) (Outcomes supported) (Constraints removed)
  36. 36. Service Strategy – governance and decision-making | 31present contractual commitments, new service governance aspect of Service Portfolio Management (SPM).development, and ongoing service improvement Entry, progress and exit are approved only with approvedprogrammes initiated by Continual Service Improvement. funding and a financial plan for recovering costs orThe portfolio also includes third-party services, which are showing profit as necessary. The Portfolio should have thean integral part of service offerings to customers. Some right mix of services in development for the market spacesthird-party services are visible to the customers while and the Service Catalogue (Figure 4.4) to secure theothers are not. financial viability of the Service Provider. The Service Catalogue is the only part of the Portfolio that recoversThe Service Portfolio represents all the resources presently costs or earns profits.engaged or being released in various phases of the ServiceLifecycle. Each phase requires resources for completion ofprojects, initiatives and contracts. This is a very importantFigure 4.3 Service Portfolio Service Improvement Plan Customer Market 3 Space 1 Linked by services Customer Service Market 2 Portfolio Space 2 Market potential for services Customer Market 1 Space 3 Third-party Services