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Architectural Style
Design Philosophy
Amit Upadhyay
October 12, 2024
Architectural Style:
Definition: An architectural style is a broad, high-level strategy for organizing a software system. It provides a set of principles and guidelines for structuring the system.
Focus: It focuses on the overall architecture approach and provides guidelines on when or when not to use a particular style.
Examples: Layered architecture, microservices architecture, client-server architecture, and event-driven architecture.
Architectural Style | Description | Use Case |
|---|---|---|
Monolithic | A single, self-contained unit where all components are interconnected and interdependent | Suitable for simple applications or early-stage start-ups |
Layered (N-Tier) | Divide the system into layers, each with specific responsibilities (e.g., presentation, business logic, data access) | Ideal for enterprise applications with a clear separation of concerns. |
Microservices | Composes the application as a collection of loosely coupled services, each responsible for a specific business capability. | Suitable for large, complex applications requiring scalability and flexibility. |
Event-Driven | Uses events to trigger and communicate between decoupled services. | Suitable for real-time applications like financial trading systems or IoT platforms. |
Service-Oriented Architecture (SOA) | Similar to microservices it typically involves larger, more complex services that communicate over a network. | Ideal for enterprise systems requiring the integration of various services. |
Client-Server | Separates the client (user interface) from the server (data storage and processing). | Suitable for web applications and networked applications. |
Peer-to-Peer | Each node (peer) in the network can act as both a client and a server. | Ideal for file-sharing systems like BitTorrent. |
Pipe-and-Filter | Data processing is broken down into a series of discrete steps (filters) connected by pipes. | Suitable for data processing applications like compilers. |
Model-View-Controller (MVC) | Separates the application into three interconnected components: Model (data), View (UI), and Controller (business logic). | Suitable for web applications and user interface design. |
Hexagonal Architecture (Ports and Adapters) | Emphasizes a core application logic that is decoupled from external systems through ports and adapters. | deal for applications requiring high maintainability and testability. |
Blackboard | A common knowledge base (blackboard) is iteratively updated by a diverse group of specialized subsystems. | Suitable for complex problem-solving applications like speech recognition. |