Download Software systems architecture : working with stakeholders by Nick Rozanski PDF

By Nick Rozanski

Software platforms structure, moment Edition is a very popular, practitioner-oriented consultant to designing and enforcing potent architectures for info structures. it really is either a with ease available creation to software program structure and a useful guide of well-established top practices.

 

With this e-book you are going to learn the way to

  • Design and converse an structure that displays and balances different wishes of its stakeholders
  • specialize in architecturally major facets of layout, together with usually neglected components comparable to functionality, resilience, and location
  • Use eventualities and styles to force the production and validation of your architecture
  • record your structure as a collection of comparable views

 

Reflecting new criteria and advancements within the box, this new version extends and updates a lot of the content material, and

  • Adds a “system context perspective” that files the system’s interactions with its environment
  • Expands the dialogue of architectural ideas, exhibiting how they are often used to supply traceability and motive for architectural decisions
  • Explains how agile improvement and structure can paintings together
  • Positions standards and structure actions within the venture context
  • offers a brand new light-weight approach for architectural validation

 

Whether you're an aspiring or training software program architect, you can find your self referring many times to the sensible suggestion during this publication in the course of the lifecycle of your tasks. A assisting site containing extra info are available at www.viewpoints-and-perspectives.info.

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Extra info for Software systems architecture : working with stakeholders using viewpoints and perspectives

Example text

Fortunately, you don’t quite have to do that. In his introductory paper, Kruchten defined four standard views, namely, Logical, Process, Physical, and Development. The IEEE standard makes this idea generic (and does not specify one set of views or another) by proposing the concept of a viewpoint. The objective of the viewpoint concept is an ambitious one—no less than making available a library of templates and patterns that can be used off the shelf to guide the creation of an architectural view that can be inserted into an AD.

Information Describes the way that the architecture stores, manipulates, manages, and distributes information. The ultimate purpose of virtually any computer system is to manipulate information in some form, and this viewpoint develops a complete but high-level view of static data structure and information flow. The objective of this analysis is to answer the big questions around content, structure, ownership, latency, references, and data migration. Concurrency Describes the concurrency structure of the system and maps functional elements to concurrency units to clearly identify the parts of the system that can execute concurrently and how this is coordinated and controlled.

Not every perspective is relevant to every system and view, and there may be instances where you don’t need to consider some of the perspectives at all. STRATEGY Apply only the most relevant perspectives to your views. Base your selection on the needs of the stakeholders, the relevant importance of the different quality properties to them, and your own experience and judgment. S UMMARY Viewpoints and views are an excellent way to partition your architecture into a set of interrelated models. However, these are often assessed for completeness and correctness against only functional requirements, rather than against other system qualities such as performance and scalability.

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