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Oracle Business Transaction Management Online Help
Release 12.1.0.2

E26585-05
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Architectural Overview

At the highest level, Business Transaction Management consists of three types of components:

Business Transaction Management also requires access to an Oracle RDBMS for storing performance measurements, logging messages, and maintaining the environment model and Business Transaction Management configuration.

The diagram below shows a typical distributed application environment, and the relationship of the Business Transaction Management components to that environment.

Figure 1-1 Deployment of Business Transaction Management components in a typical application environment

Description of Figure 1-1 follows
Description of "Figure 1-1 Deployment of Business Transaction Management components in a typical application environment"

Business Transaction Management is designed for use in a distributed application environment in which the various Business Transaction Management components are deployed onto multiple machines and application servers.

Technically, you can install all the central servers into a single application server, but such a deployment scenario is not recommended for production environments. Installation in a single application server can be useful for demonstrations and for learning how to use the product, but this scenario might not scale successfully with a large number of business services or high volume of message traffic, just to name a few factors.

We recommend that you deploy each of the central servers to separate application servers. The Performance and Transaction components, in particular, typically perform a large amount of performance analysis computations. Dividing processes across application servers allows you to control memory and processor resources.

You should also deploy the monitor to an application server separate from the central servers. Depending on your monitoring requirements, you might need to deploy multiple monitors. You can deploy monitors either as singletons or as replicates behind a load balancer. For information about replicating the monitor, refer to the Business Transaction Management Installation Guide.

Observers must always be installed outside the application server hosting the central servers or monitors.