Information Technology Infrastructure Library

ITIL most formerly abbreviated as information technology infrastructure library is the accepted approach designed so as to standardize from selection to planning to delivery and tell maintenance of the IT services within a business. It is a set of IT services Management practices focusing solely on aligning the need of IT services with the business.

  • In 1980 the UK government Central computer and telecommunication agency responding to its growing dependence on IT developed a set of recommendation. It recognizes that that data centers decentralized and adopted diverse architectures geographical. The CCTA recognized the importance of IT as a service I am started applying practices across the life cycle of IT services and in turn developing the Government Information Technology Infrastructure Management (GITIM).
  • In 2001 ITIL v2 provided a better support service and delivery with the more uniform and usable structure.
  • In 2007 ITIL V3, a feedback loop was introduced for improvement of ITIL service life cycle. Now along with operational and continual service built in improvement, it also covered strategy, design, and transitions.
  • In 2011 it added some process and focuses more on the strategy by improving ITIL v3.
  • ITIL 2019 added more approaches as DevOps and produced what IT leadership and its values means in the 21st century.

Using the guideline setup ITIL framework the IT department improve the interaction and develop best practices and manage the IT infrastructure within the business. This allows the end users to get a better level of services and also save the business money. ITIL not only take in consideration the service desk or help desk, but it also encompasses all different kinds of areas from designing the infrastructure of the IT Department to dealing with different problems comes within the business and improving its services.

ITIL Processes

ITIL consists of five processes or the types of work that is carried out by the IT Department.

  • Service Strategy– the strategy through which the customer is served is called the service strategy. It starts from assessing the needs of the customer two aligning it with the IT Department and the need of the Marketplace. It determines the capability that needs to be developed and the services the organization can offer. The goal is to make the optimum strategy that works with the IT organization and the customers.
  • Service design– it consists of planning and designing the services provided by the IT Department that can support the business.
  • Service transition– this assure the translation revised services from the development phase into the operational phase including other elements like change management. It includes building and deploying new IT services. Service transition makes sure the coordinated deployment of Service Management process.
  • Service operations– it consists of managing operations that ensure that the services are delivered within the time agreed upon maintaining the quality of service. It includes various elements also like problem management and access management. Its objective is to make sure that the IT services are delivered efficiently and effectively fulfilling the user’s request and carrying out the operational routine task.
  • Continual service improvement– it is the process of identifying the opportunities to continually improve the services and implementing doors improvement with a vision of providing better services to the business and customers.

ITIL is basically of the framework and is not a fixed rule book but it’s a structure that different organizations adopt in their own circumstances making ITIL very flexible scalable and versatile, is any IT Department can implement its principle.

ITIL produces a map that describes how to fit all the processes together in a business and is managed by process owners.

  • ITIL Function is a group of people who are responsible for carrying out of given task inequality given to them in the ITIL process.
  • ITIL uses KPI or Key Performance Indicators which are responsible for measuring the IT department’s performance, problems, progress, and is also responsible for continually improving the services provided.


With the combination of training classroom and written certification examinations, ITIL produces its certificate programs. There are five main certifications in ITIL:-

  • Foundation level– without knowing the terminologies and elements or without having the key concept no certification course can be preceded. So the foundation of entry-level covers all the key concept elements and terminologies used in ITIL certification services and life cycle. It also covers the contribution to Management Services.
  • Practitioner level– after the introduction to key concepts and elements of ITIL, does levels helps the professionals to adopt ITIL in the real-life business. Organisational Change management, metrics, and Communications are the main models at this level. Taking this level ensures the professional can handle ITIL to their organization.
  • Intermediate level– this model focuses mostly on ITSM and its components but it requires more knowledge done only on the foundation level examinations. This goes more detailed into service lifecycle and special capability models.
  • Expert level– a demonstration of the entire ITIL scheme is done at this level. A well rounded of skills are required to pertain to the best ITIL practitioner. To reach this module admins must complete the previous 17 credit models and the management across the life cycle module.
  • Master level– here the principles and methods along with the area of study needs to be explained including the techniques they have used within their organization. Here they do not have any certifications exam but they need to give oral interviews and produce written assignments.


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