Oracle E Business Suite Three-tier architecture

A tier is a logical grouping of services, potentially spread across more than one physical machine. The three-tier architecture that comprises an Oracle E-Business Suite installation is made up of the database tier, which supports and manages the Oracle database; the application tier, which supports and manages the various Oracle E-Business Suite components, and is sometimes known as the middle tier; and the desktop tier, which provides the user interface via an add-on component to a standard web browser.

A machine may be referred to as a node, particularly in the context of a group of computers that work closely together in a cluster. Each tier may consist of one or more nodes, and each node can potentially accommodate more than one tier. For example, the database can reside on the same node as one or more application tier components. Note, however, that a node is also a software concept, referring to a logical grouping of servers.

Centralizing the Oracle E-Business Suite software on the application tier eliminates the need to install and maintain application software on each desktop client PC, and also enables Oracle E-Business Suite to scale well with an increasing load. Extending this concept further, one of the key benefits of using the Shared Application Tier File System model (originally Shared APPL_TOP) is the need to maintain only a single copy of the relevant Oracle E-Business Suite code, instead of a copy for every application tier machine.


On the database tier, there is increasing use of Oracle Real Application Clusters (Oracle RAC) , where multiple nodes support a single database instance to give greater availability and scalability.

Oracle E-Business Suite Architecture

The Oracle E-Business Suite Architecture is a framework for multi-tiered, distributed computing that supports Oracle E-Business Suite products. In this model, various servers or services are distributed among three levels, or tiers.


A server (or services) is a process or group of processes that runs on a single machine and provides a particular functionality. For example, Web services process HTTP requests, and Forms services process requests for activities related to Oracle Forms. The Concurrent Processing server supports data-intensive programs that run in the background.

Enterprise resource planning Overview and History

Enterprise resource planning (ERP) is business management software—usually a suite of integrated applications—that a company can use to store and manage data from every stage of business

Organizations consider the ERP system a vital organizational tool because it integrates varied organizational systems and facilitates error-free transactions and production

Origin of ERP

In 1990, Gartner Group first used the acronym ERP as an extension of material requirements planning (MRP), later manufacturing resource planning and computer-integrated manufacturing. Without supplanting these terms, ERP came to represent a larger whole that reflects the evolution of application integration beyond manufacturing.

Not all ERP packages developed from a manufacturing core. Vendors variously began with accounting, maintenance, and human resources. By the mid–1990s ERP systems addressed all core enterprise functions. Governments and non–profit organizations also began to use ERP systems.

Expansion

ERP systems experienced rapid growth in the 1990s, because the year 2000 problem and introduction of the euro disrupted legacy systems. Many companies took the opportunity to replace their old systems with ERP.

Oracle E-Business Suite Overview

Oracle E-Business Suite (also known as Applications/Apps or EB-Suite/EBS) consist of a collection of enterprise resource planning (ERP) either developed or acquired by Oracle

Oracle E-Business Suite is the most comprehensive suite of integrated, global business applications that enable organizations to make better decisions, reduce costs, and increase performance

Oracle Apps Admin Training Courses

Oracle Apps DBA Training

Oracle Hyperion Admin Training

Oracle BI Training

Oracle SOA Training

Oracle DBA Training

Linux Admin Training