ITIL: The Four Dimensions of Service Management

- The four dimensions defined by ITIL to service management are organizations and people, information and technology, partners and suppliers, and value streams and processes.
- The organizations and people dimension focuses on having a well-defined organizational structure, healthy culture, updated skills and competencies, and common objective.

When dealing with the information part of the information and technology dimension, an organization should answer the following questions:
- What information will the services manage?
- What supporting information and knowledge do you require to deliver and manage the services?
- How will you protect, manage, archive, and dispose of the information and knowledge assets?
Service providers should be ready with the answers to the questions that an organization can raise when they choose to use technology for its services or products.

- Organizations work with partners and suppliers to achieve the organizational objective. Therefore, maintaining healthy relationships with partners and suppliers is, therefore, essential for organizations to deliver the required value to the customers.
- One of the methods to address partners and suppliers is SIAM.
- A value stream is a combination of the organization’s value chain activities and helps to have improved performance, better understanding, increased productivity, and continual Improvement.
- A process is a set of interrelated or interacting activities that transform inputs into outputs.

Organizations should consider the following questions when creating, delivering, and improving a service:
- What is the generic delivery model for the service, and how does the service work?
- What are the value streams involved in delivering the agreed outputs of the service?
- Who, or what performs the required service actions?