# ITIL Homework-1 : Analyse the relation in between ITIL, Cobit, Togaf and CMMI.

First of all, I am going to explain all of these standards. These explanations include definitions and features about standards. After that, I am going to analyse the relations.

ITIL

   It refers to Information Technology Infrastructure Library. It’s the most well-known approach to information technology service management in the global world. It describes how IT resources should be organised to deliver business value, documenting the processes, functions and roles of IT Service Management. Actually, ITIL is a best-practice framework. The main aim of ITIL is that increasing earnings/reducing costs. Customers aspect’s is the main thing of ITIL. ITIL contains detailed process descriptions, flows, success factors, metrics and implementation guidance that organizations can adapt to work in their environment.

ITIL has been consisted of 5 lifecycle phases.

1. Service Strategy : Focusing on understanding customer needs, directions, requirements, helping improve IT over time.
2. Service Design : Focusing on turning strategies for services into a detailed Service description, not just the technology.
3. Service Transition : Focusing on building, validating, and delivering new and changed services to customers.
4. Service Operations : Focusing on the day to day care and feeding of services
5. Continual Service Improvement : Focusing on identifying and managing incremental improvements to services.

COBIT

  

    It refers to Control Objectives for Information and Related Technology. It is an IT governance framework and supporting toolset published as an open standard by the IT Governance Institute and ISACA. COBIT is designed to allow managers to bridge the gap between control requirements, technical issues and business risks. It is a control model that guarantees the integrity of the information system. COBIT ensures quality, control and reliability of information systems in organization, which is also the most important aspect of every modern business.

 

 

IT activities were divided into 4 domains by the COBIT framework.

1-) Plan and Organize : Provides direction to solution and service delivery.

2-) Acquire and Implement : Provides the solutions and passes them to be turned into services. 

3-) Deliver and Support : Receives the solutions and makes them usable for end users. 

4-) Monitor and Evaluate : Monitors all processes to ensure that the direction provided is followed.

TOGAF

   
    It refers to The Open Group Architecture Framework. The framework itself is a well-documented body of knowledge comprising a detailed method and a set of supporting tools for developing enterprise architectures.

   

    Developing and sustaining an enterprise architecture is a complex process, involving many stakeholders and decision processes. TOGAF helps by documenting the Enterprise Architecture discipline, process and work products. By using TOGAF, organizations can develop an enterprise architecture that is consistent, reflects the needs of stakeholders, employs best practice, and gives due consideration to current requirements and the perceived future needs of the business.

    There are four architecture domains.(for enterprise architectures supported by TOGAF)

1-) The Business Architecture : Defines the business strategy, governance, organization, and key business processes. 

2-) The Data Architecture : Describes the structure of an organization's logical and physical data assets and data management resources. 

3-) The Application Architecture : Provides a blueprint for the individual applications to be deployed, their interactions, and their relationships to the core business processes of the organization. 

4-) The Technology Architecture : Describes the logical software and hardware capabilities that are required to support the deployment of business, data, and application services. This includes IT infrastructure, networks, processing, standards…

CMMI

    It refers to The Capability Maturity Model Integration. It is a process model that provides a clear definition of what an organization should do to promote behaviors that lead to improved performance.

    The CMMI helps us understand the answer to the question “how do we know?”. For instance, how do we know if our requirements change process is useful? This question is an example what the CMMI try to tell us. We may ask many questions to ourselves starting with “how do we know?”.

    The CMMI also helps us identify and achieve measurable business goals, build better products, keep customers happier, and ensure that we are working as efficiently as possible.

    The model identifies five levels of process maturity for an organization:

1. Initial (adhoc): The starting point for use of a new process.
2. Repeatable (project management, process discipline): The process is used repeatedly.
3. Defined (institutionalized): The process is defined/confirmed as a standard business process.
4. Managed (quantified): Process management and measurement take place.
5. Optimizing (process improvement): Process management includes deliberate process optimization or improvement.
   
                                         ANALYZING RELATIONS

* COBIT is broader than ITIL, CMMI and ISO standards in its scope of coverage.

* ITIL focuses on ITSM and provides much more in-depth guidance in this area, addressing five stages of the service life cycle. Also, COBIT and ITIL are well aligned in their approach to ITSM.

* The distinction between the COBIT and ITIL is sometimes described as COBIT provides the ‘why’ and ITIL provides the ‘how.’ COBIT focuses on what needs to be achieved rather than how to achieve.

* COBIT provides an overall, high level governance framework which is applicable to most organizations but is not specific about certain aspects of the business like IT service management or information security. As ITIL covers particular areas in more detail, it can be mapped to COBIT to enhance the framework and build a hierarchy of processes. This means that COBIT can be used to shape ITIL processes to the business needs and measure the success of ITIL implementation.

You may see three figures relationship between TOGAF and ITIL. Business architecture is addressed by TOGAF but not by ITIL. IT services are addressed by ITIL but not by TOGAF. The other elements are covered in both frameworks. As a consequence, TOGAF gives you all you need to build the perfect IT solution and monitors, but provides no guidance on how to deliver IT services. ITIL gives you all you need to deliver IT services perfectly.

* CMMI is mainly focused on continuous and long-term improvement for business processes, while ITIL targets all areas included in the IT aspect of an organization. CMMI is often used for developing new and efficient software, but it does not address hardware concerns. On the other hand, ITIL addresses hardware issues as they fall under the IT umbrella of an organization.

* The CMMI is not a process, it is a book of “whats” not a book of “hows,” and does not define how your company should behave. 

* CMMI and ITIL are two distinctly different maturity models that can complement each other when used together. The fundamental difference between the two is that CMMI is a method of process improvement for software development, while ITIL focuses mainly on IT issues.

 

This is a general figure about relation between COBIT – TOGAF – ITIL.

    REFERENCES

    Many websites and articles(like OGC’s) from the Internet.