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An Enterprise Service Bus (ESB) facilitates the transfer of data and intructions among services, processes, applications, existing internal systesm, data warehouses, analytical systems, and so on. The term bus is borrowed from computer architecture, since a computer bus similarly transfers data and instructions among components in a computer.

There are no standard features for an ESB. Nevertheless, all can serve as a router and all need to provide the functionality of adapters. This allows a designer to delegate routing, protocol conversion, and message transformation to the ESB.

Enterprise Service Bus (ESB)

An Enterprise Service Bus can also be offered in a Cloud.

Enterprise Service Bus (ESB) in the Cloud

Related Articles

More on the general topic: Messaging Components

Related Online Briefings

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The Savvy Manager's Guide

Douglas K Barry is also the author of a book that explains Web Services, service-oriented architecture, and Cloud Computing in an easy-to-understand, non-technical manner.

Web Services, Service-Oriented Architectures, and Cloud Computing: The Savvy Manager's Guide

Web Services, Service-Oriented Architectures, and Cloud Computing: The Savvy Manager's Guide (Second Edition)

by with David Dick

This is a guide for the savvy manager who wants to capitalize on the wave of change that is occurring with Web Services, service-oriented architecture, and—more recently—Cloud Computing. The changes wrought by these technologies will require both a basic grasp of the technologies and an effective way to deal with how these changes will affect the people who build and use the systems in our organizations. This book covers both issues. Managers at all levels of all organizations must be aware of both the changes that we are now seeing and ways to deal with issues created by those changes.