What is ITIL?
ITIL (Information Technology Infrastructure Library) is a set of detailed practices for ITSM (IT service management) that focuses on aligning IT services with the needs of the business.
ITIL describes processes, procedures, tasks, and checklists that are not organisation-specific but can be applied by an organisation to establish integration with the organisation’s strategy, deliver value, and maintain a minimum level of competency.
ITIL 4 vs ITIL v3 (2011)
ITIL 4 builds on previous versions of the framework by introducing a new end-to-end digital operating model, which has been designed to help IT teams create, deliver and operate technical products and services that fit their organisation’s wider business strategy. This model is called the ‘service value system’, or ‘SVS’.
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The ITIL 4 service value system has five core components:
1. The ITIL service value chain
At the heart of the SVS lies the service value chain, which comprises six activities:
- Plan
- Improve
- Engage
- Design and transition
- Obtain/build
- Deliver and support
These activities can be combined in many different sequences, which ITIL 4 calls ‘value streams’.
One such value stream is the ITIL v3 service lifecycle:
- Service strategy involves understanding customers and how to develop and successfully execute IT services to meet their needs.
- Service design ensures that the service is designed efficiently and cost-effectively.
- Service transition sees the design built and tested.
- Service operation delivers and manages the service.
- Continual service improvement provides a mechanism for improving the service, and the technology and processes used in its management.
2. The 7 ITIL guiding principles
The SVS is supported by seven guiding principles, which have evolved from ITIL v3’s nine guiding principles for practitioners and reflect those found in Agile, DevOps and Lean methodologies:
- Focus on value
- Start where you are
- Progress iteratively with feedback
- Collaborate and promote visibility
- Think and work holistically
- Keep it simple and practical
- Optimize and automate
They aim to support decisions and actions and ensure stakeholders’ needs are met efficiently.
3. The 34 ITIL practices
ITIL 4 uses 34 management practices, which follow a more holistic approach than the 26 ITIL v3 processes and are split into 3 areas: general management practices, service management practices and technical management practices.
General management practices
- Architecture management
- Continual improvement
- Information security management
- Knowledge management
- Measurement and reporting
- Organizational change management
- Portfolio management
- Project management
- Relationship management
- Risk management
- Service financial management
- Strategy management
- Supplier management
- Workforce and talent management
Technical management practices
- Deployment management
- Infrastructure and platform management
- Software development and management
Service management practices
- Availability management
- Business analysis
- Capacity and performance management
- Change control
- Incident management
- IT asset management
- Monitoring and event management
- Problem management
- Release management
- Service catalogue management
- Service configuration management
- Service continuity management
- Service design
- Service desk
- Service level management
- Service request management
- Service validation and testing
4. Governance
The SVS incorporates the concept of governance so that organisations can maintain a holistic approach to service value chains, encouraging organisational agility and ensuring management activities are aligned with corporate objectives.
5. Continual improvement
Like ITIL v3’s continual service improvement model, the ITIL 4 continual improvement model can be applied to all improvement initiatives, enabling momentum to be maintained. Its six steps are:
- Business vision, mission, goals and objectives
- Perform baseline assessments
- Define measurable tags
- Define the improvement plan
- Execute improvement actions
- Evaluate metrics and KPIs
Four dimensions
ITIL 4 also incorporates four dimensions, like ITIL v3’s four Ps (people, products, partners and processes):
- Organisation and people
- Information and technology
- Partners and suppliers
- Value streams and processes
ITIL 4 certification scheme
There are changes to ITIL’s professional certification scheme, too. Whereas previous versions of ITIL had five certification levels (Foundation, Practitioner, Intermediate (Service Lifecycle and Service Capability), Expert and Master), ITIL 4 has four:
- Foundation
- MP (Managing Professional)
- SL (Strategic Leader)
- Master
Book your place on the new ITIL 4 Foundation training course today
ITIL, ITSM and ISO 20000
Although they have much in common, ITIL and ISO/IEC 20000 serve different purposes.
ISO 20000 is the standard for service management processes. Organisations can attain independently audited certification to the Standard to demonstrate that they are following ITSM best practice.
ITIL provides advice on ITSM best practice. It includes options that may be adopted and adapted by organisations according to business needs, local circumstances and the maturity of the service provider.
Find out more about ISO 20000
ITIL benefits
ITIL is acknowledged as best practice for ITSM in organisations of all sizes and types.
It has been adopted by thousands of organisations, including Shell, Hewlett Packard, IBM, NASA, British Airways, Disney, Microsoft, the NHS and the MOD.
The main benefits of adopting ITIL are:
Alignment of IT with business needs
Consistent, repeatable processes
Efficient service delivery
Improved services and processes
Transparent costs and improved ROI
Discover our range of ITIL solutions to support your ITSM project
ITIL toolkits
Adopting ITSM best practice can be difficult but you can save time and money with an IT Governance documentation toolkit.
- ITSM, ITIL 4 & ISO 20000 Toolkit – deploy ITSM best practice quickly and cost-effectively with expert guidance and document templates created by ITIL and ISO 20000 service management mentors Shirley Lacy and Jenny Dugmore. The documentation templates in this AXELOS®-accredited toolkit feature automated customisation for ease of implementation and are available for immediate download with 12 months’ support.
- ISO 20000 Toolkit – developed by ISO 20000 lead auditor and ITSM consultant Michael Kunas, this toolkit helps organisations of all types and sizes implement an ISO 20000-compliant IT service management system.
ITIL books
IT Governance Publishing publishes and distributes the world’s best selection of ITIL and ITSM books, and is an official distributor for TSO, the official publisher of ITIL books.
Our ITIL library includes all the official titles, course books and study guides, as well as the latest practical advice from experienced ITSM practitioners.
Discover our range of bestselling ITIL books
ITIL training
The ITIL certification scheme allows service management professionals to gain recognition of their level of ITIL and service management competency.
IT Governance has a range of ITIL training courses and study guides to support your ITIL certification studies.
Book your place on the ITIL 4 Foundation Training Course today
ITIL consultancy
At IT Governance, we recognise the importance of delivering IT services that are business-led, rather than shaped by IT. Our expert consultants can transfer the knowledge that you need to achieve your ITSM, ITIL and ISO 20000 goals.
Whether you are looking to adopt certain aspects of ITIL or gain ISO 20000 certification as proof of your organisation’s level of commitment, our team can tailor a package of consultancy, training, and project resources to meet all your requirements.
Find out more about our ITIL, ITSM and ISO 20000 consultancy services