This book addresses the way organizations should balance the demand and the supply of information technology, optimizing the cost and maximizing the business value of IT. Foreword, Acknowledgements, Introduction and Framework, What is IT Performance Management About?, IT Service and IT Service Provisioning, Managing the Cost of IT, Measuring the Added Value of IT, Managing the IT Portfolio, The Market Place for IT Services, Sourcing IT and Managing a Mixed IT Portfolio, The Market Place for IT Services, Sourcing IT and Managing a Mixed IT Portfolio, Organizing the Demand and Supply of IT, Illustrating the IT Value Perception Model, Back to Business, Appendices, Index.