Learn why composable architecture is the best approach for building modular, flexible, and scalable systems. Discover its key characteristics and how it differs from monolithic and microservices architectures.
Table of Contents
Question
Which architectural approach is focused on building small, modular, and interconnected components that are built to change? (Select one best answer)
A. Monolithic architecture
B. Built-to-last architecture
C. Composable architecture
D. Microservices architecture
Answer
C. Composable architecture
Explanation
Composable architecture is a design approach that emphasizes creating systems from small, modular, and interchangeable components. These components are self-contained, reusable, and designed to work together seamlessly through well-defined interfaces. This architectural style is built to adapt to change, making it ideal for dynamic environments where scalability, flexibility, and rapid updates are essential.
Key Characteristics of Composable Architecture
- Modularity: Each component operates independently, allowing teams to develop, test, and deploy them separately. This reduces complexity and accelerates development cycles.
- Flexibility: Components can be replaced or upgraded without affecting the entire system. This adaptability ensures that systems can evolve with changing business needs.
- Interoperability: Components communicate through APIs or other integration layers, ensuring seamless interaction between them.
- Scalability: Individual components can be scaled based on demand without overhauling the entire system.
Why Not Other Options?
A. Monolithic architecture: This approach involves building an entire application as a single unit, making it rigid and difficult to adapt to changes.
B. Built-to-last architecture: This term is not commonly used in the context of modern software design frameworks and does not describe a modular or adaptable system.
D. Microservices architecture: While microservices share similarities with composable architecture (e.g., modularity), they focus specifically on breaking down applications into independent services rather than general-purpose components.
Thus, composable architecture stands out as the most suitable approach for building systems that are “built to change.”
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