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Common patterns used in Enterprise application architecture

Posted on March 3, 2023March 22, 2023 By DesiBanjara No Comments on Common patterns used in Enterprise application architecture

Enterprise application architecture refers to the structural design of software applications used by large organisations to support their daily operations. The patterns of enterprise application architecture are a set of proven solutions to recurring software design problems. These patterns help architects and developers design robust, scalable, and maintainable applications that meet the needs of businesses.

In this article, we will explore some of the common patterns used in enterprise application architecture.

Layered Architecture

Layered Architecture is a pattern that involves breaking an application into logical layers, with each layer responsible for specific functions. The layers are arranged hierarchically, with each layer dependent on the layer beneath it. The presentation layer is the top layer, followed by the business logic layer, data access layer, and finally the database layer.

The benefits of using the Layered Architecture pattern include:

  • Separation of concerns: Each layer has a specific purpose, and changes to one layer do not affect the others.
  • Scalability: New layers can be added or existing layers can be modified without affecting the entire application.
  • Maintainability: Each layer can be maintained and tested independently.

Domain Driven Design

Domain Driven Design is a design approach that focuses on the domain model of an application. The domain model represents the concepts, entities, and business rules that govern a business domain. The Domain Driven Design pattern involves identifying the core domain model of an application and designing the application around it.

The benefits of using the Domain Driven Design pattern include:

  • Clear separation of concerns: The domain model encapsulates business logic and behaviors.
  • Improved communication: This pattern emphasizes communication between technical and domain experts to ensure that the application meets the needs of the business.
  • Maintainability: The domain model can be maintained and tested independently of the rest of the application.

Service Oriented Architecture

Service Oriented Architecture (SOA) is a design pattern that involves dividing an application into services. These services are self-contained, modular components that can be independently deployed and maintained.

In an SOA, each service is designed to perform a specific business function and communicate with other services through well-defined interfaces. This pattern allows organizations to build applications that are flexible and can adapt to changing business needs.

The benefits of using the Service Oriented Architecture pattern include:

  • Flexibility: Applications can be easily adapted to changing business needs by adding or modifying services.
  • Reusability: Services can be reused in multiple applications.
  • Scalability: Services can be scaled independently of each other.

Event Driven Architecture

Event Driven Architecture (EDA) is a pattern that emphasises the importance of events in an application. In this pattern, events are used to trigger actions or processes in the application. This approach allows the application to respond to changes in the environment or user interactions in real-time.

The Event Driven Architecture pattern involves creating an event-driven backbone for the application. This backbone includes event producers, consumers, and brokers that handle the routing of events between components. This pattern is useful in applications that require real-time responses and scalability.

The benefits of using the Event Driven Architecture pattern include:

  • Real-time responsiveness: Applications can respond to events as they occur, without delay.
  • Scalability: This pattern allows applications to scale horizontally by adding more producers and consumers.
  • Flexibility: Applications can be designed to handle a variety of events and respond accordingly.

Microservices Architecture

Microservices Architecture is a pattern that involves breaking an application down into smaller, independent services. Each service is responsible for a specific function and communicates with other services through well-defined interfaces. Microservices are designed to be loosely coupled and independently deployable, allowing for flexibility and scalability.

The benefits of using the Microservices Architecture pattern include:

  • Scalability: Services can be scaled independently of each other, allowing for better performance and efficiency.
  • Flexibility: Changes to one service do not affect other services, allowing for greater agility and adaptability.
  • Resilience: Failures in one service do not affect the entire application.

Repository Pattern

Repository Pattern is a pattern that involves abstracting away the details of data access and providing a consistent interface for accessing data. This pattern allows for greater flexibility and maintainability by decoupling the application from the underlying data storage mechanism.

The Repository Pattern involves creating a repository layer that acts as an interface between the application and the data storage mechanism. This layer provides methods for querying and manipulating data, allowing the application to access data without worrying about the underlying details.

The benefits of using the Repository Pattern include:

  • Decoupling: The application is decoupled from the data storage mechanism, allowing for greater flexibility and maintainability.
  • Abstraction: The repository layer abstracts away the details of data access, providing a consistent interface for accessing data.
  • Testability: The repository layer can be easily mocked for testing purposes.

These patterns provide useful guidelines for designing and implementing enterprise applications. By following these patterns, developers can create applications that are flexible, scalable, and maintainable.

Conclusion

Enterprise application architecture patterns are essential in designing scalable, maintainable, and robust software applications. The patterns discussed in this article provide a foundation for designing applications that meet the needs of businesses. By understanding and applying these patterns, architects and developers can build applications that are flexible, scalable, and can adapt to changing business needs.

Enterprise application architecture, Software architecture Tags:Domain Driven Design, Event Driven Architecture, Layered Architecture, Microservices Architecture, Repository Pattern, Service Oriented Architecture

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