The Service Lifecycle.
ITIL is used by organizations worldwide to establish and improve capabilities in service management. ISO/IEC 20000 provides a formal and universal standard for organizations seeking to have their service management capabilities audited and certified. While ISO/IEC 20000 is a standard to be achieved and maintained, ITIL offers a body of knowledge useful for achieving the standard.

The ITIL Library has the following components:

    The ITIL Core: Best Practice guidance applicable to all types of organizations who will provide services to a business

    The ITIL Complementary Guidance: A complementary set of publications with guidance specific to industry sectors, organization types, operating models, and technology architectures

    The ITIL Web: A unified package of web-based support offerings for ITIL users. Examples of web material include value added products, Process Maps, templates and case studies.

Now we'll get into the juicy parts of ITIL v3, The key differences between ITIL v2 and ITIL v3, and  what and how Service Statergies are and work. If you haven't filled in our free registration so far, do it now to dive deeper into the ITIL v3 world. 

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ITIL V2 – V3 – Key Differences

ITIL V2 was a process based approach focused on delivering services and meeting service level targets negotiated with business customers and users. It consisted of eight books, but only two of these, Service Delivery and Service Support were seen as core books. ITIL V3 is a lifecycle based approach with five stages aimed at delivering a set of services to achieve defined business outcomes.

ITIL V3 consists of five books and incorporates the major contents of all eight books of version 2.

Service Strategy shows how to identify key business outcomes and then to define services that will enable the business to achieve them. Resources and the investment needed to build and deliver these services are carefully analyzed before they are designed and built.

Service Design specifies what will be needed to deliver and support the service and how each service component will be related to each other. Service Design also defines operational performance requirements and how these will be met.

Service Transition tests each service and deploys them into operations after careful planning. Each change is managed so that only authorized and tested services are released. Service Transition also manages any data, information and knowledge needed to manage IT Services.

Service Operations co-ordinates and executes day-to-day activities and processes to deliver and manage services at agreed upon levels. Disruptions to services are resolved so that the business can continue t work, and steps are taken to ensure that the disruption does not occur again.

Continual Service Improvement continually aligns IT services to changing business needs by identifying improvements to efficiency and effectiveness.

ITIL Version 3 recognizes that there are many standards, approaches and methodologies in the IT industry. ITIL can be used together with these to achieve better alignment with the business, higher quality services as well as compliance where necessary.