The purpose of TRIM: The Rational IT Model is not to replace ITIL®, but to be a way to get ITI and IT service management adopted within an organization. The model is complete and describes the parts in such a way that you can understand IT, even without prior ITILÒ knowledge. The model consists of the fundamentals, namely the very basics for IT service management. And the aim is that when it is in place and working, your organization will be ready to really adopt and use more advanced frameworks and models such as Lean, DevOps or any agile methods.

The TRIM model is described in a book: TRIM: The Rational IT Model Some of the topics in the book are:
• Functions
• Roles
• Governance model
• Operation
• Transition
• Delivery control
• Relations
• Strategy


Providing a comprehensive, but still easy to understand, approach to IT service management and the needed components, TRIM: The Rational IT Model helps you to get an understanding of the key to a service-oriented organization and provides a reference model for function, role, processes and governance to use in your work towards effective delivery of IT services.


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