Oracle Application Server Infrastructure
Shadow processes such as OPMN, DCM, and DMS, and configuration management tools such as Oracle Enterprise Manager, depend on a repository of configuration data. This repository is part of what is known as the Oracle Application Server Infrastructure. The OracleAS Infrastructure may consist of a simple file-based repository, or may be as complex as a database repository with an LDAP server.
OracleAS Infrastructure Components
The OracleAS Infrastructure is divided into two parts:
- OracleAS Metadata Repository
Holds Oracle Application Server configuration information and other component information in a collection of schemas
- Oracle Identity Management
Contains several subcomponents that work together to provide a seamless Single Sign-on facility
In addition, the Application Server Control tool and a group of shadow processes can be considered a part of the overall OracleAS Infrastructure.
OracleAS Metadata Repository
The OracleAS Metadata Repository is either operating system file-based or an Oracle database. The Java Edition of Oracle Application Server uses a file-based repository for DCM. The Portal/Wireless Edition and the BI/Forms Edition always use an OracleAS Metadata Repository in an Oracle database.
If Oracle Application Server is clustered (a topic described later in this chapter) and a file-based repository is being used, one of the clustered Oracle Application Server instances is designated as a central repository . This designation isn’t ...
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