© Quovantis Technologies Pvt. Ltd. Principles of Software Architecture
Principles of software architecture
Jun 24, 2015
This presentation describes all the attributes one needs to consider before architecting and designing a solution. It goes over all the perspectives an architect has to take like Reliability, Flexibility, Maintainability etc. of a solution before putting the functional architecture in place.
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© Quovantis Technologies Pvt. Ltd.
Principles of Software Architecture
© Quovantis Technologies Pvt. Ltd.
What is Architecture? The software
architecture of a program or computing system is the structure or structures of the system, which comprise software elements, the externally visible properties of those elements, and the relationships among them.
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Perspectives
Solution Architecture
Business/
Trends
IT Needs
Requirements
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Solution Architecture Strategy
Understand
Requirements
Suggest Technology Stack
Create Application Architectur
e
Create Developm
ent Guidelines
Develop &
Stabilize
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Architectural Attributes
Maintainability
Performance
Scalability
Reliability
Security
Flexibility
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Maintainability
ModularizationSingle Responsibility PrincipleOpen-Closed PrincipleDependency Inversion Principle
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“The aptitude of a system to undergo repair and evolution.”
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Performance
Caching – W3Asynchronous BehaviorCoarse Grained InterfacesData PartitioningData Structure and Algorithm DesignMinimize ReflectionEfficient Resource Management
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“The responsiveness of the system”
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Scalability
LayeringLoose CouplingStateless DesignData PartitioningOut of Process Caching/Replicated Cache
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“The ability to maintain performance while system demand increases”
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Reliability
ClusteringRobustnessServer MonitoringGeographical Monitoring
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“The ability of the system to keep operating over time”
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Security
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Secure CommunicationsAuthenticationAuthorizationInput ValidationAuditingThreat Modeling
STRIDEDREAD
“The system’s ability to resist unauthorized attempts at usage”
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Flexibility
LayeringLoose CouplingSingle Responsibility PrincipleOpen-Closed PrincipleCode To InterfaceInterface Segregation Principle
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“The ease with which a system can be modified for use in applications or environments other than those for which it was specifically designed”
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Trade-Offs
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Thank you!
Presented By
Tarun Kohli
http://www.quovantis.comhttp://blogs.quovantis.com
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