This document contains comprehensive notes from Lecture 16 of the CO2401 course on Software Development. The lecture introduces Software Architecture Patterns, which provide abstract, reusable solutions to common design challenges in software architecture, helping to define the structure and behavi...
CO2401: Software Development
Lecture 16
Introduction to Software Architecture Patterns
1. Definition:
o Software Architecture Patterns: These are abstract, reusable
solutions to common problems encountered in software
architecture. They describe a system organization that has been
successful in previous systems.
o Purpose: Helps define the basic characteristics and behavior of an
application, guiding decisions in the development process.
Why Use Software Architecture Patterns?
1. Benefits:
o Code Recognizability: Makes code recognizable and
understandable to other developers.
o Decision Support: Assists in making informed design decisions.
o Standardization: Promotes the use of best practices in system
design, ensuring consistency across different systems.
Design Patterns vs. Architectural Patterns
1. Design Patterns:
o Focus on solving specific design problems within a component or
module.
o Concerned with the implementation details of classes and objects.
2. Architectural Patterns:
o Address higher-level design decisions affecting the overall system
structure.
o Deal with large-scale components, subsystems, and their
interactions.
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