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Middleware
built 437 days ago
Middleware is the glue that holds the open system of the Internet and associated networks together. It connects separate applications and passes data between them, while facilitating seamless sharing of data, applications and other resources across different platforms and networks. Without middleware, each application would have to be custom programmed to communicate with other key business applications within an enterprise. Custom home-grown middleware applications are extremely costly to develop and maintain. They run the risk of being dependent upon a few individuals for their operation. Moving to a commercialized middleware infrastructure reduces costs significantly and eliminates all associated risks.
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Middleware is a general term for any programming that serves to "glue together" or mediate between two separate and usually already existing programs. A common application of middleware is to allow programs written for access to a particular database (such as DB2) to access other databases (such as VSAM, IMS, Oracle, or Adabas) without the need for custom coding
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Messaging Middleware Messaging middleware provides a common interface and transport between applications. If the target machine is down or overloaded, it stores the data in a message queue until it becomes available. The messaging system may contain business logic that routes messages to the appropriate destinations and reformats the data as well. Messaging middleware is similar to an e-mail messaging system, except that it is used to send data between applications. (see messaging middleware).
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Middleware ... is useful for delivering Web site content to people who use wireless Internet devices like personal digital assistants (PDAs). Because such devices don't always use the same wireless language, a company that delivers content in one language and not another could limit the number of people who are able to access its site. Middleware enables Web sites to adjust content so it can be read by both regular desktop computers and many different kinds of wireless devices.
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Middleware is defined as the “middle layer” of software between the hardware and operating system infrastructure and the business applications. It is a critical element in enabling organizations to leverage technology to serve the business. Middleware includes database software and other data management software, content management software, web enablement software, web design tools, storage and systems management software, systems monitoring software, policy automation software, and much more.
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Middleware can be created on a custom basis for a company's unique needs or purchased pre-packaged from software companies like IBM. Even if a company buys an off-the-shelf form of middleware, adjustments, analysis, and fine-tuning are almost always needed before it will work correctly. In the early 2000s, software companies were taking steps to make it easier for end-users without backgrounds in computer programming to purchase pre-packaged programs and tailor them to their company's needs.
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