Monolithic Architecture
Definition
A Monolithic architecture is a traditional model where all components of an application are interconnected and interdependent. This means that the user interface, business logic, and data access layer are all part of a single codebase.
Advantages
- Simplicity: Easier to develop, test, and deploy as a single unit.
- Performance: Typically has lower latency due to fewer network calls between components.
- Easier Debugging: With everything in one place, tracking down issues can be more straightforward.
Challenges
- Scalability: Scaling requires replicating the entire application, which can be inefficient.
- Flexibility: Any change in one part of the application can require a complete redeployment.
- Technology Lock-in: Difficult to adopt new technologies since everything is tightly coupled.
Microservices Architecture
Definition
Microservices architecture breaks down an application into smaller, independent services that communicate over a network. Each service focuses on a specific business capability and can be developed, deployed, and scaled independently.
Advantages
- Scalability: Individual services can be scaled independently based on demand.
- Technology Diversity: Different services can use different technologies and programming languages.
- Resilience: Failure in one service does not necessarily bring down the entire application.
Challenges
- Complexity: Managing multiple services introduces complexity in deployment and monitoring.
- Network Latency: Increased communication between services can lead to higher latency.
- Data Management: Ensuring data consistency across services can be challenging.
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