Sometimes casually referred to as “plumbing”, middleware is a type of software that sits between an operating system (OS) and its applications, providing services and capabilities to the application beyond what the operating system can offer.
Middleware comes in a wide range of varieties. Common examples include database middleware, application-server middleware, web middleware, message-based middleware and transaction-processing middleware.
Middleware aids in the more effective creation of apps by developers. It serves as the underlying framework that links users, data, and applications. Middleware can help businesses with multi-cloud and containerized systems create and execute applications at scale economically.
When connecting to application components, data sources, computing resources or devices, middleware eliminates the need for developers to establish new connections each time. To accomplish this, middleware offers services that allow various programmes and services to communicate with one another using well-known messaging frameworks like JSON, REST, XML or SOAP. Commonly, middleware offers services that allow components written in several languages (such as Java, C++, PHP and Python) to communicate with one another.