ATG Core Architecture and Framework

ATG Core architecture can be explained as below:

ATG Architecture

Major modules like DAS, DAF, DPS, DSS were explained in the bottom link.

components-of-atg-platform

Remaining modules like DCS, BCC, etc were explained in short in the below mentioned table.

The following tables list the module names for the main Oracle ATG Web Commerce applications, demos, and reference applications. This is not an exhaustive list of all Oracle ATG Web Commerce modules.

Module	Description
`Admin.Init`	Adds missing administrative accounts for the ATG Control Center. For more information, see the Managing Access Control chapter.
`Admin.Reset`	Resets the default login accounts for the ATG Control Center. For more information, see the Managing Access Control chapter.
`DAF.Search`	Enables the Oracle ATG Web Commerce platform to use Oracle ATG Web Commerce Search to index and search content from product catalogs and other repositories. See the ATG Search Administration Guide.
`DAS-UI`	Enables an Oracle ATG Web Commerce server to accept connections from the ATG Control Center. Note: This module must be running if you want to use the ATG Control Center.
`DCC`	Runs the ATG Control Center in the same JVM used by the application server that the Nucleus-based application is running on. For more information, see the ATG Installation and Configuration Guide.
`DPS`	Oracle ATG Web Commerce Personalization
`DSS`	Oracle ATG Web Commerce Scenarios
`DSSJ2EEDemo`	Oracle ATG Web Commerce Adaptive Scenario Engine demo (Quincy Funds).
`RL`	Repository Loader. Takes files that are stored in a file system, converts them into repository items, and loads the items into the repository. To learn more, see the ATG Repository Guide.
`SQLJMSAdmin`	Browser-based administration interface for Oracle ATG Web Commerce’s SQL JMS message system. For more information, see Using the SQL-JMS Administration Interface.

Content Administration Modules

Module	Description
`AssetUI`	Supports the building of browser-based user interfaces for an ATG Content Administration (versioned) environment. The module includes the Asset Picker and functionality related to it. Requires the `WebUI` module (see below).
`BizUI`	The Oracle ATG Web Commerce Business Control Center. Includes the Home page functionality.
`PublishingAgent`	Publishing Agent. Runs on production and staging servers and performs content deployment operations by communicating with the ATG Content Administration server.
`PublishingWebAgent`	Publishing web agent. Runs on the production and staging web servers and performs web content deployment operations by communicating with the ATG Content Administration server.
`Publishing.base`	ATG Content Administration. See the ATG Content Administration Programming Guide for more information.
`Publishing.WebAppRef`	The source module for the Web Application Reference Implementation provided with ATG Content Administration.
`Publishing.WebAppRefVer`	The versioning module for the Web Application Reference Implementation provided with ATG Content Administration.
`PubPortlet`	Supplies the portlets that make up the Oracle ATG Web Commerce Business Control Center interface. Including this module also causes the `Publishing.base`, `AssetUI`, and `BizUI` modules to be included. Include this module to perform most basic tasks in ATG Content Administration, such as product evaluation.
`WebUI`	Contains support for browser-based user interfaces. Examples are the tree-based asset browsing feature, a calendar widget, and the View Mapping system.

Portal Modules

Module	Description
`Portal.gears`	Includes the Portal Application Framework and baseline gears.
`Portal.paf`	Portal Application Framework (PAF). At a minimum, you must include this module to use Oracle ATG Web Commerce Portal. To learn more about the PAF, see the ATG Portal Administration Guide.
`Portal.gear-name Portal.portlet-name`	Includes the specified gear or portlet. For example, if you create a gear called `productprices`, include the module `Portal.productprices`.

ATG Commerce Modules

Module	Description
`B2BCommerce`	ATG Business Commerce Note: To run ATG Commerce, you must use one and only one of the following modules: `B2BCommerce,` `B2BCommerce.Versioned, B2CCommerce`, or `B2CCommerce.Versioned`.
`B2BCommerce.Search`	Enables Business Commerce extensions to the ATG Commerce Search. See the ATG Search Administration Guide for more information.
`B2BCommerce.Versioned`	Use instead of `B2BCommerce` module if running ATG Merchandising. (Also requires modules `DCS-UI.Versioned` and `PubPortlet`.) Note: To run ATG Commerce, you must use one and only one of the following modules: `B2BCommerce,` `B2BCommerce.Versioned, B2CCommerce`, or `B2CCommerce.Versioned`. Including this module also includes `B2BCommerce`, `DCS.DynamicCustomCatalogs.Versioned`, and their modules.
`B2CCommerce`	ATG Consumer Commerce Note: To run ATG Commerce, you must use one and only one of the following modules: `B2BCommerce,` `B2BCommerce.Versioned, B2CCommerce`, or `B2CCommerce.Versioned`. Including this module also includes `DCS` and its modules.
`B2CCommerce.Versioned`	Use instead of `B2CCommerce` module if running ATG Merchandising. (Requires the `DCS-UI.management` and `PubPortlet` modules also.) Note: To run ATG Commerce, you must use one and only one of the following modules: `B2BCommerce,` `B2BCommerce.Versioned, B2CCommerce`, or `B2CCommerce.Versioned`. Including this module also includes `B2Commerce`, `DCS.Versioned`, and their modules.
`CommerceGears.orderapproval`	Order Approval Portal Gear (Requires ATG Portal also.) Including this module also includes `Portal.paf`, `Portal.authentication`, `Portal.templates`, `Portal.communities`, `B2BCommerce`, and their modules.
`CommerceGears.orderstatus`	Order Status Portal Gear (Requires ATG Portal also.) Including this module also includes `Portal.paf`, `Portal.authentication`, `Portal.templates`, `Portal.communities`, `DCS`, and their modules.
`Cybersource`	Third-party commerce module (from CyberSource Corp.) for authorizing credit cards, crediting and settling accounts, calculating taxes, and verifying addresses. Including this module also includes `DCS` and its modules.
`DCS`	Base ATG Commerce module Including this module also includes `DSS`, `DPS`, and their modules.
`DCS.AbandonedOrderServices`	Provides tools for dealing with abandoned orders and shopping carts. Including this module also includes `DCS` and its modules.
`DCS.CustomCatalogs`	Runs custom catalogs in an ATG Commerce production environment, required to support pre-ATG 10.1 Commerce applications; otherwise unused.
`DCS.DynamicCustomCatalogs`	Runs custom catalogs in an ATG Commerce development environment. Including this module also includes `DCS.CustomCatalogs` and its modules.
`DCS.DynamicCustomCatalogs. Versioned`	Runs custom catalogs in an environment running ATG Commerce and ATG Merchandising. (Requires the `DCS-UI.management` and `PubPortlet` modules also.) Including this module also includes `DCS.DynamicCustomCatalogs`, `DCS.CustomCatalogs.Versioned`, and their modules.
`DCS.PublishingAgent`	Use instead of the `PublishingAgent` module on the target server if ATG Commerce repository items are deployed to that server. Including this module also includes `PublishingAgent`, `DCS`, and their modules.
`DCS.Search`	Enables ATG Commerce to use ATG Search to index and search content from product catalogs and other repositories. See the ATG Search Administration Guide.
`DCS.Versioned`	Use instead of `DCS` module if running ATG Commerce with ATG Merchandising. Including this module also includes `Publishing.base`, `DCS`, and their modules.
`DCSSampleCatalog`	ATG Commerce Sample Catalog Including this module also includes `DCS` and its modules.
`Fulfillment`	ATG Commerce order fulfillment Including this module also includes `DCS` and its modules.
`MotorpriseJSP`	ATG Business Commerce reference application (Motorprise) Including this module also includes `B2BCommerce`, `DCS.AbandonedOrderServices`, and their modules.
`PayFlowPro`	Third-party commerce module (from VeriSign) for handling credit card authorization, settlement, and crediting. Including this module also includes `DCS` and its modules.
`Taxware`	Third-party commerce module (from ADP Taxware) for calculating taxes, verifying addresses and determining tax jurisdictions. Including this module also includes `DCS` and its modules.