Machine generated contents note: Chapter 1: Introduction to ASA ASA: The State-of-the-Art ASA: Industrial/commercial perspective ASA: Current Challenges and Future Directions Part I: Fundamentals of Agile Architecting Chapter 2: The DCI Paradigm: Beyond Class-Oriented Architecture to Object Orientation Chapter 3: Refactoring software architecture Chapter 4: Architecture Decisions: Who, How and When? Part II: Managing Software Architecture in Agile Projects Chapter 5: Combining agile development and variability handling to achieve adaptable software architectures Chapter 6: Agile software architecture knowledge management Chapter 7: Continuous software architecture analysis Chapter 8: Bridging user stories and software architectures: a guidance support for agile architecting Part III: Agile Architecting in Specific Domains Chapter 9: Architecture-centric testing for security: An agile perspective Chapter 10: Multi-tenancy multi-target architectures: Extending multi-tenancy architectures for agile deployment and development Part IV: Industrial Viewpoints on Agile Architecting Chapter 11: Bursting the Agile Bubble Anti-Pattern Chapter 12: Building a Platform for Innovation: Architecture and Agile as Key Enablers Chapter 13: Opportunities, threats and limitations of emergent architecture Chapter 14: Aviva GI: Architecture as a Key Driver for Agile Success.