Quality of Software Architectures

Much of a software architect’s life is spent designing software systems to meet a set of quality requirements. General software quality attributes include scalability, security, performance or reliability. Quality attribute requirements are part of an application’s non-functional requirements, which capture the many facets of how the functional - quirements of an application are achieved. Understanding, modeling and continually evaluating quality attributes throughout a project lifecycle are all complex engineering tasks whichcontinuetochallengethe softwareengineeringscienti ccommunity. While we search for improved approaches, methods, formalisms and tools that are usable in practice and can scale to large systems, the complexity of the applications that the so- ware industry is challenged to build is ever increasing.

This book constitutes the thoroughly refereed proceedings of the 5th International Conference on the Quality of Software Architectures, QoSA 2009, held in East Stroudsbury, PA, USA in June 2009, in conjunction with the 12th International Symposium on Component Based Software Engineering (CBSE 2009). The 13 revised full papers were carefully reviewed and selected from 33 submissions. The papers are organized in topical sections on model-driven quality analysis, architectural performance prediction, architectural knowledge, as well as case studies and experience reports.

Learn how to model, design, evaluate and document software architectures

Learn how to create successful architectural designs and improve your current design practices!Designing Software Architectures, 2nd Edition, provides a practical, step-by-step methodology for architecture design that any professional software engineer can use, with structured methods supported by reusable chunks of design knowledge and rich case studies that demonstrate how to use the methods.

This book covers all you need to know to model and design software applications from use cases to software architectures in UML and shows how to apply the COMET UML-based modeling and design method to real-world problems. The author describes architectural patterns for various architectures, such as broker, discovery, and transaction patterns for service-oriented architectures, and addresses software quality attributes including maintainability, modifiability, testability, traceability, scalability, reusability, performance, availability, and security.

This book introduces the concept of software architecture as one of the cornerstones of software in modern cars. Following a historical overview of the evolution of software in modern cars and a discussion of the main challenges driving that evolution, Chapter 2 describes the main architectural styles of automotive software and their use in cars’ software.