Portfolio management for the discovery, project, and asset portfolios categorizes investments in each of three phases of the IT life cycle, enabling decision makers to objectively inventory, evaluate, balance, analyze, align, and optimize investments according to defined criteria and scoring. For each portfolio there are processes for inventorying, analyzing, planning, tracking, and reviewing investments. There is no one-size-fits-all approach to IT portfolio management—the definitions of business and strategic objectives, value, risk, benefit, core dependencies, and priorities differ by company and by industry.

Chapter 5 discusses the overall process for doing IT portfolio management. Readers may want to refer back to Chapter 4 for descriptors of the IT life cycle processes and detailed information regarding the content and context of subportfolios.

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