ITIL Foundations: Complete Introduction to ITIL Phases, Lifecycle and Processes

By  //  May 20, 2020

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The Information Technology Infrastructure Library is generally recognized as the ITIL framework for IT service management. ITIL foundations are a collection of essential methods and practices to regulate IT services as per the requirements of the organizations.   

Ever since its emergence, ITIL has now expanded and improved. Several organizations are growing their career due to ITIL foundations. Organizations are willing to employ employees with ITIL 4 Certification. Thus, to boost your own career opportunities, ITIL is a great foundation. 

What is ITIL?  

ITIL is a globally acknowledged framework. It explains the ideas, assignments, and checklists which are not distinct to any particular organization. Its basic role is to exhibit agreement and to measure progression in the performance of IT-related services.  

ITIL is a body of information useful for obtaining the standard. It enables the organization to develop a baseline from which it can design, execute, and include. It is used to describe agreement and to hold development. 

Concepts of ITIL

• ITIL has various key policies which are accomplished through five basic components. A few key concepts of ITIL are:

• Fulfilling the highest value to consumers

• Reforming supplies and abilities

• Presenting services which are beneficial and dependable

• Framing methods with expected particular purposes 

• Assigning role simply for every duty

What ITIL Presents:  

• ITIL presents content to clients with services by implementing a revenue on investment in courses of content.  

• ITIL connects the method for services with the business policy and client requirements.  

• ITIL measures and supervises IT services and service provider administration. Hence, contribute benefit to the business and client.  

• ITIL handles the IT investment and resources, controls risk and knowledge. 

• ITIL executes techniques and supplies for performing services efficiently.  

• ITIL facilitates the selection of a conventional method to service administrators across the enterprise.  

• ITIL transforms the organizational culture to maintain the performance of maintained success. 

Phases and Lifecycle of ITIL Foundations 

ITIL is designed throughout a service lifecycle. It incorporates a service strategy, service design, service transition, service operation, and continual service improvement. A detailed overview of the phases and lifecycle of ITIL foundations is explained below:

• Service Strategy 

Service Strategy aims to execute a strategy for the service lifecycle. The strategy should be synchronized as per the business aspirations. The service of this section is intended to ensure that the service is appropriate for the purpose. 

It outlines the policies underpinning the application of service administration which is beneficial for elaborating service administration procedures, guidelines, and methods beyond the ITIL service. 

• Service Design 

Service design modifies a service strategy into a design. It is the phase in the lifecycle for accomplishing business purposes. Concerning services for implementing genuine value to the business, they necessitate composing the business purposes in mind.   

The design involves the entire IT organization. It is the organization as a combination which produces and maintains the services. ITIL Service Design leads the design and improvement of services and service administration systems. 

It incorporates design policies and practices for transforming important purposes into collections of services and service assets. 

• Service Transition 

ITIL Service Transition leads the development of capabilities for introducing upgraded services for supported environments. It demonstrates how to promote an organization from one state to another. 

Managing risk and preserving organizational intelligence for decision assistance. It assures that the purposes identified in the service strategy and encoded in service design are completely transitioned so that they can be realized in-service operation. 

• Service Operation

ITIL Service Operation represents the most beneficial method to maintain services in sustained environments. It involves supervision on fulfilling competence in the performance. Additionally, maintain the services to assure utility for the consumer, the users, and the cooperation provider. 

Imperative aspirations are conclusively accomplished within the service operation. Thus, presenting it as a significant aptitude. ITIL Service Operation manages how to preserve resistance in a service method. Allotting as variations in perspective, balance, length and service levels.

• Continual Service Improvement

The purpose of this phase is to utilize approaches from endowment management to determine prior achievements and frustrations. It strives to regularly enhance the efficacy of IT methods and assistance in line with the notion of perpetual growth assumed in ISO 2000.

ITIL Processes

In the five vast phases of the ITIL service lifecycle are subcategories. For instance, Financial Management, Demand Management, etc., lies in the wider section of Service Strategy.

All subcategories of the ITIL structure are unless a process or a function. Service Processes is the only section that has functions. Every other ITIL section includes just process. 


Whether you are a beginner, or you have been in the same field for a long time, ITIL is beneficial. This gives you a better idea to understand the basics of ITIL. I hope these core concepts are clear enough to pave your way towards the better.