System Design

System Architecture

1. Structures

• Description: Corresponds to the Domain Layer or Data Layer in Domain-Driven Design (DDD).
• Responsibility: Holds the state and entities of the application.
• Examples: Models, Data Transfer Objects (DTOs), and Domain Objects.

2. Services

• Description: Represents the Application Layer or Service Layer.
• Responsibility: Contains the business logic and workflows.
• Examples: Business services, use case handlers.

3. Interfaces

• Description: Matches the Contract Layer in an API-driven architecture or the Abstraction Layer.
• Responsibility: Defines abstract contracts to promote loose coupling.
• Examples: Repositories, Service Interfaces, Dependency Injection points.

Submission Grading

Development Cycle