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Middleware and Application Server Differences
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Tech Insight

Middleware and Application Server Differences


Middleware and application servers are related but not identical concepts in computer systems. While middleware refers to the software layer that sits between an operating system and the applications, providing common and shared services to facilitate communication and integration, an application server is a specific type of middleware that hosts and manages web applications and services.

We look here at three key aspects of these technologies to describe the differences between middleware and application servers.

Scope

Middleware is a broad term encompassing various types of software that help different components of a computer system communicate and work together.

On the other hand, application servers are a specific type of middleware designed to manage and run web-based applications and services.

Functionality

Middleware provides general services, such as messaging, data management, and transaction processing, which a wide range of applications can utilize.

Application servers, however, focus on hosting and managing web applications, providing services like request handling, session management, security, and load balancing.

Use Cases

Middleware is helpful in various contexts, from integrating applications within a single system to facilitating communication between distributed systems.

Application servers, in contrast, are primarily used in web-based applications, typically following a client-server model.

Conclusion

While middleware is a more general concept that covers a wide range of software to facilitate communication and integration among applications, an application server is a specific type of middleware focused on hosting and managing web applications and services.