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Overview

• System and Component Cohesion
• System/component Dependencies
• Software Architecture
• Technical Architecture
• Enterprise Architecture
• SOA and Micro services architecture
• Relationships between above concepts
• Logic redudancy vs dependency
• Data reduancy  vs dependency

Software Architecture

Fundamentals

• clarification of terms: architecture, design, modeling
• orthogonality
• conways Law

Common Architectures

• modular decomposition
• hierarchical architecture
• centralised (Mediator Pattern)
• event-based architecture
• interrupt-based
• OSI
• client/server
• layer model

Principles of OO Design

• DRY, SRP
• encapsulation
• program against an interface
• Liskovs principle
• Law of Demeter

Design Patterns

• what are Design Patterns
• Creational Patterns
• Structural Patterns
• Behavioural Patterns
• Model-Controller-View (MCV)

Design Tools

• Domain specific language
• Lexical Analysis
• CRC cards
• scenarios
• Use Case descriptions

UML Graphical Representations

• Class Diagram
• Sequence Diagram
• aggregation diagram
• UML tools

Non-UML Graphical Representations

• ER-modeling
• State Machine
• data flow
• architectural model

Design and Maintenance

• Lehmanns Laws
• Architectural Antipatterns
• Refactoring Strategies

SOA and Integration Patterns

• Integration technologies and methods
• Synchronous/Asynchronous
• More details direct communication patterns
• Direct and brokered communication
• Message Queuing
• ESB

Deployment Patterns

• Code Deployment
• Immutable deployment
• Availability, Scaleability, High Performance, Fault tolerance patterns
• Data and messages replication and clustering (CAP theorem)