1. An Overview
Vishwas S Sutar
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2. Software Architectures
Agenda
 Need of Software architecture
 Definition
 Why is Software Architecture Important?
 Questions
 References
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3. Software Architectures
Need of Architecture
 Modern software development characteristics
 Complex
 Large
 Recurring Changes
 Role of business and organization in design of system
 Organizations requirements and/or assumed
requirements
 Extremely Safety Requirements
 Standardization across organizations
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4. Software Architectures
Definition
 The software architecture of a program or computing
system is structure or structures of the system, which
comprises of software elements, the externally visible
properties of these elements, and the relationships
among them.
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5. Software Architectures
Why is Software Architecture Important?
 Architecture is vehicle for stakeholder communication
 Architecture manifests early design decision
 The Architecture Defines Constraints on Implementation
 An Architecture dictates Organizational Structure
 The Architecture Inhibits or Enables System’s Quality
Attributes
 Predicting System Qualities By Studying The Architecture
 The Architecture Makes It Easier to Reason about and
Manage Change
 The architecture Enables More Accurate Cost and Schedule
Estimates
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6. Software Architectures
Why is Software Architecture Important?
 Architecture as a transferable, re-usable model
 Software Product Lines Share a Common Architecture
 Systems Can Be Built Using Large, externally Developed
Elements
 Less is more: It Pays to restrict The Vocabulary of Design
Alternatives
 An Architecture Permits Template-Based Development
 An architecture Can Be the Basis For Training
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7. Activities
 Select business case
 Understand the requirements
 Select or create architecture
 Document and communicate the architecture
 Evaluate the architecture
 Implementing the architecture
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8. Software Architectures
Questions
 Any Questions?
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9. Software Architectures
References
 Software Architecture In Practice
Len Bass
Paul Clements
Rick Kazman
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10. Software Architectures
•THANK YOU
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