Minggu, 24 Maret 2013

[H114.Ebook] Download PDF Software Architecture: Perspectives on an Emerging Discipline, by Mary Shaw, David Garlan

Download PDF Software Architecture: Perspectives on an Emerging Discipline, by Mary Shaw, David Garlan

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Software Architecture: Perspectives on an Emerging Discipline, by Mary Shaw, David Garlan

Software Architecture: Perspectives on an Emerging Discipline, by Mary Shaw, David Garlan



Software Architecture: Perspectives on an Emerging Discipline, by Mary Shaw, David Garlan

Download PDF Software Architecture: Perspectives on an Emerging Discipline, by Mary Shaw, David Garlan

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Software Architecture: Perspectives on an Emerging Discipline, by Mary Shaw, David Garlan

Good software developers often adopt one or several architectural patterns as strategies for system organization. But, although they use these patterns purposefully, they often use them informally and nearly unconsciously. This book organizes this substantial emerging "folklore" of system design -- with its rich language of system description -- and closes the gap between the useful abstractions (constructs and patterns) of system design and the current models, notations and tools. It identifies useful patterns clearly, gives examples, compares them, and evaluates their utility in various settings -- allowing readers to develop a repertoire of useful techniques that goes beyond the single-minded current fads. Examines the ways in which architectural issues can impact software design; shows how to design new systems in principled ways using well-understood architectural paradigms; emphasizes informal descriptions, touching lightly on formal notations and specifications, and the tools that support them; explains how to understand and evaluate the design of existing software systems from an architectural perspective; and presents concrete examples of actual system architectures that can serve as models for new designs. For professional software developers looking for new ideas about system organization.

  • Sales Rank: #1150117 in Books
  • Published on: 1996-04-12
  • Original language: English
  • Number of items: 1
  • Dimensions: 9.22" h x .63" w x 6.99" l, .90 pounds
  • Binding: Paperback
  • 242 pages

From the Publisher
Shaw and Garland examine the useful abstractions and paradigms of system design as well as key notations and tools. They present an introduction to software architecture that illustrates the current state of the discipline and examines ways in which architectural issues can impact software design.

From the Back Cover
Software developers have often adopted specific architectural patterns for system organization - but, for the most part, informally. In this book, authors Mary Shaw and David Garlan discuss the formalization of what, until now, has been "a substantial folklore of system design, with little consistency or precision". With their unique perspective on the current state of software architecture and its impact on design, the authors provide useful information for several types of readers: Professional software developers will find new ideas in the discussion and evaluation of familiar patterns. Students will find useful techniques for approaching system organization from an architectural point of view, rather than following current fads or outmoded methodology. Educators will find the book helpful as a text for a software architecture course or as a supplemental text for courses in software engineering or software design. This book also includes hints for choosing a suitable architecture, the use of well-understood paradigms for designing new systems, how formal notation and models can characterize system design, and the study of actual system architectures as models for new designs.

Most helpful customer reviews

3 of 3 people found the following review helpful.
Founding text of SW architecture studies
By wiredweird
This text is arguably the grandfather of many books that now address software architecture. And, as so sadly happens in the grandfather's generation, it shows some signs of senility.

The primary authors wrote and invited studies in a number of useful formats. After an introduction, the second chapter lays out a few basic styles of software architecture. The next two chapter examine case studies and common examples.

The next chapter (number 5) includes distinctive material: the notion of a design space with clear, orthogonal axes, and with a utility function that applies to each point in that space. They don't make the mistake of taking their quantitation too seriously. The numbers used in the analyses are openly acknowledged to have no physical meaning. Instead, the authors lay out the factors of a subjective analysis in a clear way, creating a rational framework for holding admittedly irrational discussions of "better" and "worse." I applaud this effort. Too many analyses apply no formal reasoning at all and too many mistake numbers for knowledge - this middle way is worth study and adaptation.

Discussion becomes increasingly concrete in the next chapters, not always with good effect. Formal reasoning about programs has been around since the 1970s, in my experience. It's never caught on for about the same reason that quantum mechanics never caught on in designing skyscrapers. Yes, it addresses all the basic phenomena. Even so, very few can wield it competently, and never at the scale of significant industrial constructions.

My most serious objections relate entirely to the book's age. It predates wide acceptance of the UML notations for reasoning about systems, so its many different box-and-arrow diagrams need to be learned from the ground up, separately for each diagram. Ch.7, "Linguistic Issues," has been overtaken by commercial languages like C# and Java, and was behind the cutting edge even when it was written. Static configuration and heterogeneity (p.158) are no longer the dealbreakers they were in the link-and-load world (though I admit that world still exists). Interface abstractions have moved way past dot-h files and into the development environment - ideas floating around the Ada world and elsewhere since the 1980s. Even their way-out-there discussion of "implicit invocation" (p.172) could credibly be subsumed under today's aspect oriented programming. And, because they skip the idioms of the Patterns community, the authors lack good ways to unify and contrast their studies of architectural basics.

I do not fault a book for being a product of its time, and this one is a remarkable product of a time gone by. I do evaluate a book according to its relevance to practitioners of the moment, and this book's moment has largely passed. It offers good service to people exploring basic issues in developing large systems, but says little to to poor slob meeting the next deadline, or the deadline after.

//wiredweird

11 of 16 people found the following review helpful.
Architectural paradigms and research topics
By Daniel Mall
This book is often cited as one of the seminal references on software architecture. The first chapter explains how software architecture fits into the developing field of software engineering. The second chapter illustrates common architectural styles such as pipes and filters, object-oriented organization, event-based invocation, layered systems, repositories, interpreters, process control, distributed process, main program/subroutine, blackboard, and state transition. Case studies are used to compare and contrast the selection of different architectural solutions. The case studies are key word in context, instrumentation software, mobile robotics, cruise control, three vignettes using mixed styles, and shared information systems. The final half of the book is focused on academic research such as quantified design space, formal models, formal specifications, Z notation, connector models, automated case tools, Wright Model of architectural description, and education of software architects.

12 of 14 people found the following review helpful.
solidating your understanding of the software architecture
By A Customer
This is a book for these who begin to wonder what is the software architecture while they begin to design software, after going through the existing architecture styles, you will understand the bad thing and good thing about one particular style, and you will have the ability to frame your problem in term of these existing styles, if there is a solution existing, you will have a proved solution for your problem, provided you did a careful analysis on your problem. Again, software architecture is a engineering issue, you realy need practice to grasp it.

See all 9 customer reviews...

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