This book consists of five parts. The implementation of these tasks must meet the functional requirements and performance more easily met when an organization has a transparent IT architecture. The second part outlines traditional IT management. In this section, methods such as BISML, ASL, ITIL, MOF, MSF, TMN and eTOM are discussed. The third agreement with controlling IT. Control is different when striving for efficiency and meet the 'requirements, compared with controls when IT is a means to meet the customer's accountant and / or chain partners? Effect of fighting for "utility computing" and better control of IT by way of "IT portfolio management" are described. This book is supported by www.ict-management.com website where each chapter can be found in the form of presentation. Lecturers use this book to have access to the suggestions with solutions to all 17 smaller and 8 larger cases included in the book.