Essential Software Architecture

Essential Software Architecture

Ian Gorton

Language: English

Pages: 304

ISBN: 3540287132

Format: PDF / Kindle (mobi) / ePub

Job titles like "Technical Architect" and "Chief Architect" nowadays abound in the software industry, yet many people suspect that "architecture" is one of the most overused and least understood terms in professional software development.

Gorton's book helps resolve this predicament. It concisely describes the essential elements of knowledge and key skills required to be a software architect. The explanations encompass the essentials of architecture thinking, practices, and supporting technologies. They range from a general understanding of software structure and quality attributes, through technical issues like middleware components and documentation techniques, to emerging technologies like model-driven architecture, software product lines, aspect-oriented design, service-oriented architectures, and the Semantic Web, all of which will influence future software system architectures.

All approaches are illustrated by an ongoing real-world example. So if you work as an architect or senior designer (or want to someday), or if you are a student in software engineering, here is a valuable and yet approachable source of knowledge.

"Ian's book helps us to head in the right direction through the various techniques and approaches... An essential guide to computer science students as well as developers and IT professionals who aspire to become an IT architect". (Anna Liu, Architect Advisor, Microsoft Australia)

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and piping to name just a few. And as each of these elements of a building is designed in detail, suitable materials and components for constructing each are selected. These materials and components are the basic construction blocks for buildings. They’ve been created so that they can fulfill the same essential needs in many types of buildings, whether they are office towers, railway stations or humble family homes. Although perhaps it’s not the most glamorous analogy, I like to think of

keep communicating. Second, the request load from the clients can be spread across the individual servers. Each server only sees a fraction (ideally 1/[number of servers] in the cluster) of the overall traffic. This helps distribute the messaging load across multiple machines, and can provide much higher application performance. Two-Way Messaging Although MOM technology is inherently asynchronous and decouples senders and receivers, it can also be used for synchronous communications

high quality open source implementation, JBoss. There’s a good tutorial for JEE v5.0 at: There’s also lots of good design knowledge about EJB applications in: F. Marinescu. EJB Design Patterns: Advanced Patterns, Processes, and Idioms. Wiley, 2002 D. Alur, D. Malks, J. Crupi. Core JEE Patterns: Best Practices and Design Strategies. Second Edition, Prentice Hall, 2003 Two excellent books on transactions in Java, and in general, are: Mark

Financial Transaction and that the information should be shared with any tools that are interested in data about financial transactions. Ontologies could provide much more than just thesaurus services for ICDE tools. An OWL ontology can encode complex rules about the relationships between individuals of particular conceptual type, which would allow reasoning engines to make deductions about individual data elements. Consider the ontology fragment shown in Fig. 12.5. It shows that the ontology

implementation of the concern from its invoking client components. Although the interface reduces the coupling between the clients and the implementation of the concern, the clients still need to embed code to call the interface methods from within its business logic. This pollutes the business logic. With aspect-oriented design and programming, each crosscutting concern is implemented separately in a component known as an aspect. In Fig. 13.1, the difference between implementing a logging

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