Before we start a discussion about Service Design, we have to define the meaning of the main terms. What are Services? What is a Service Design?
Every complex structure needs a reference frame to be measured and controlled. Information Technologies also require a common coordinate system that on the one hand has to be simple and clear for easy usage and on the other hand comprehensive enough to describe complex projects and approaches. The best candidate is the frame of reference based on three dimensions: People, Processes and Technologies (PPT).