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What Is a Multiple-machine (Distributed) Configuration?
A distributed-domain (or multiple-machine) configuration consists of one or more business applications running on multiple machines. Although it includes multiple machines, this type of configuration is considered a single domain because it is administered centrally as a single entity. In other words, all the elements (services, servers, machines, and so on) of all the applications on all the machines in this configuration are defined in, and controlled from, one BEA Tuxedo configuration file.
As a business grows, application developers may need to organize different segments of the business by sets of functionality that require administrative autonomy but allow sharing of services and data. Each functionality set defines an application that may span one or more machines, and that is administered independently from other applications. Such a functionally distinct application is referred to as a domain.
The names of domains frequently reflect the functionality provided. When domains have names such as "marketing" and "research and development," it is easy for customers to find the applications they need.
The basic parts of a configuration distributed across multiple machines are illustrated in the following diagram.
Distributed Application
A configuration that runs on more than one machine requires platform interoperability and server transparency.
The DBBL and Bridge servers support these requirements of a distributed-domain configuration.
See Also
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