Principles of software architecture

Principles of Software Architecture

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.

Perspectives

Solution Architecture

Business/

Trends

IT Needs

Requirements

Solution Architecture Strategy

Understand

Requirements

Suggest Technology Stack

Create Application Architectur

Create Developm

ent Guidelines

Develop &

Stabilize

Architectural Attributes

Maintainability

Performance

Scalability

Reliability

Security

Flexibility

Maintainability

ModularizationSingle Responsibility PrincipleOpen-Closed PrincipleDependency Inversion Principle

“The aptitude of a system to undergo repair and evolution.”

Performance

Caching – W3Asynchronous BehaviorCoarse Grained InterfacesData PartitioningData Structure and Algorithm DesignMinimize ReflectionEfficient Resource Management

“The responsiveness of the system”

Scalability

LayeringLoose CouplingStateless DesignData PartitioningOut of Process Caching/Replicated Cache

“The ability to maintain performance while system demand increases”

Reliability

ClusteringRobustnessServer MonitoringGeographical Monitoring

“The ability of the system to keep operating over time”

Security

Secure CommunicationsAuthenticationAuthorizationInput ValidationAuditingThreat Modeling

STRIDEDREAD

“The system’s ability to resist unauthorized attempts at usage”

Flexibility

LayeringLoose CouplingSingle Responsibility PrincipleOpen-Closed PrincipleCode To InterfaceInterface Segregation Principle

“The ease with which a system can be modified for use in applications or environments other than those for which it was specifically designed”

Trade-Offs

Thank you!

Presented By

Tarun Kohli

http://www.quovantis.comhttp://blogs.quovantis.com

Principles of software architecture

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