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Documenting Software Architectures

Software Architecture Documentation in the Real World
OOPSLA 2007 Tutorial

Copyright is held by the author/owner(s). OOPSLA 2007, October 21–25, 2007, Montréal, Québec, Canada. ACM 07/0010 07/0010.

Markus Völter

voelter@acm.org www.voelter.de www voelter de

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© 2007 M a rk u s Völ t e r

Documenting Software Architectures

About me

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Independent Consultant Based out of Goeppingen, Germany y Focus on • Model-Driven Software Development • Software Architecture • P d t Line Engineering Product Li E i i
ingenieurbüro für sof twaretechnologie w w w.voelter.de

Markus Völter
voelter@acm.org www.voelter.de

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© 2007 M a rk u s Vö l t e r

DocumentingSoftware Architectures

CONTENTS

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What is Software Architecture Documenting Software Architectures • (Structured) Glossaries • Patterns and the Pattern Form • Pattern Languages • Tutorials and FAQs • Diagramming and Modeling g g g • Channels • What about Code? • Specifics for Product Lines & Platforms Layout and Typography Diagramming Guidelines Summary
ingenieurbüro für softwaretechnologie w w w.voelter.de -3© 2007 M a rk u s Vö l t e r

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Documenting Software Architectures

CONTENTS

• •

What is Software Architecture Documenting Software Architectures • (Structured) Glossaries • Patterns and the Pattern Form • Pattern Languages • Tutorials and FAQs • Diagramming and Modeling g g g • Channels • What about Code? • Specifics for Product Lines & PlatformsLayout and Typography Diagramming Guidelines Summary
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Documenting Software Architectures

What is Software Architecture



Wikipedia: The software architecture of a program or computing system is the structure or structures of the system, which system comprise software elements, the externallyvisible properties of those elements, and the relationships between th b t them. Eoin Woods: Software architecture is the set of design decisions which, if made incorrectly, may cause your project to be cancelled. Hayes-Roth: The architecture of a complex software system is its "style style and method of design and construction".





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Documenting Software Architectures

What is Software Architecture II



Boehm, et al., 1995: A software system architecture comprises • A collection of software and system components components, connections, and constraints. • A collection of system stakeholders' need statements. • A rationale which demonstrates that the components, connections,and constraints define a system that, if implemented, implemented would satisfy the collection of system stakeholders' need statements. Other: Architecture is everything that is expensive to change later. Mine: Everything that needs to be consistent throughout a y g g software system
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DocumentingSoftware Architectures

Architecture/System Categories – Focus

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Small, ad-hoc systems typically developed by small teams Large systems, that are developed by larger teams, typically long-lived, strategic Product Lines & Platforms, i.e. base architectures on top of which a family of systems is built often by several teams, strategic We will primarily focus on large systems & p p y g yproduct lines – since for small ad-hoc systems architecture documentation is often not essential

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Documenting Software Architectures

Aspects of Software Architecture



This diagram outlines a number of terms and concepts we will use in the rest of this presentation.

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