This book (second volume) is a continuation and addition to the first volume, which consists entirely of practical examples (graphical models, diagrams, tables, business cases) for all components of an organization's IT architecture and related areas. The second volume includes detailed descriptions of methods and technologies for design, analysis, optimization and transformation of IT architecture. Examples of documents, project experience, and useful materials for the work of system analysts, business analysts and IT specialists are provided. Particular attention is paid to the process and architectural approach as the foundation for the development of the organization. The book is intended for a wide range of managers and specialists: business analysts, systems analysts, IT specialists, IT architects, methodologists, project managers, organizational development and risk management specialists, auditors, consultants. The information will be useful for organizations in all industries, especially high-tech ones.