Requirements Modelling and Specification for Service Oriented Architecture
Many software developers often confuse requirements engineering with software specification and, as a result, build unusable systems, despite meeting specifications. Bringing together all the techniques needed by the modern software developer, here is a practical handbook to requirements engineering and systems specification for developers building systems within a service oriented architecture. It introduces the concepts of SOA and relevant standards and technology, such as Web services and...
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This practical guide to requirements engineering and systems specification is for developers building systems within service oriented architecture (SOA). A software system is successful if it meets the purpose it was built for. Requirements engineering (RE) is the process of discovering that purpose, by identifying stakeholders and their needs. Many requirements engineering techniques carry over to service oriented architecture (SOA) which is an architectural style of software engineering where functionality is grouped around business processes and packaged as interoperable services. Starting with an introduction to the concepts of SOA, relevant standards and technologies, such as Web Services and Enterprise Service Bus (ESBs), Ian Graham presents a range of modern requirements engineering techniques - from those directed at modelling business processes and objectives to advanced techniques for specifying business use cases. He then illustrates how these techniques integrate seamlessly with methods for specifying systems iteratively in terms of use cases, services, types, components and business rules. Building on his 20 years experience, the author addresses several less formal or 'soft' techniques for eliciting knowledge and specifying both requirements and systems. Making a clear distinction between requirements and systems. Making a clear distinction between requirements and specification, this book challenges some of the informal specification techniques that are in wide use today and can jeopardize SOA projects. Key Features include:A clear exposition of the principles of SOA, how to model it - and how to get it wrongAn introduction to business process modelling approaches and notationsA comprehensive range of requirements modelling techniques from the detail to large scale enterprise modelsCoverage of Web Services, Business Process Management (BPM) and other key standardsAn appendix of patterns to help you apply the techniques to actual projects quickly Requirements Modelling and Specification for Service Oriented Architecture shows you how to apply existing requirements and specification techniques to a SOA programme. It provides an invaluable companion to Managing SOA Projects with Agile Processes, which sets out an effective agile process for the development of SOA projects. A
Foreword Mark McGregor McGregor, MarkForeword Neil Maiden Maiden, Neil1 Principles of SOA 12 Architecture - Objects, Components, Services 313 Approaches to Requirements Engineering 714 Business Process Modelling 1115 Catalysis Conversation Analysis 1396 Models of Large Enterprises 1657 Specification Modelling 1818 Standards 221App. A Requirements Engineering and Specification Patterns 229App. B The Fundamental Concepts of Service Oriented Architecture 271References and Bibliography 281Index 289
