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User Guide
The information contained in this section applies to IBM WebSphere Commerce Version 7.0.0.9 and Feautre Pack 8. The documentation also applies to all subsequent releases and modifications until otherwise indicated in new editions.
Developing
The topics in the Developing section describe tasks performed by an application developer.
Controller layer
The Controller layer is the conductor of operations for a request. It controls the transaction scope and manages the session related information for the request. The controller first dispatches to a command and then calls the appropriate view processing logic to render the response.
Integrating with back-end systems and external applications
External systems integration is a key feature of the WebSphere Commerce solution. In WebSphere Commerce business logic is enabled for integration and built-in adapters and interfaces are provided for common integration points. Additionally, the WebSphere Commerce integration solution leverages integration standards by using various IBM connectivity solutions.
Distributed Order Management (DOM) integration
DOM integration enhances the shopping flow in the Aurora starter store, while enhancing backend system integration with WebSphere Commerce. This integration provides comprehensive coverage of the order lifecycle across channels, from capture to fulfillment.
Components used by Distributed Order Management (DOM) integration
The Inventory, ExternalInventory, Order, and ExternalOrder components are used by DOM integration.

Components used by Distributed Order Management (DOM) integration

The Inventory, ExternalInventory, Order, and ExternalOrder components are used by DOM integration.

Components used by DOM integration
Component	Component ID	Description
Inventory	com.ibm.commerce.inventory	Used by the client user interface, for example, the Madisons starter store, and the order component, to check inventory availability and process inventory requirements.
ExternalInventory	com.ibm.commerce.inventory.external	Used by the inventory component to send inventory outbound services requests to DOM.
Order	com.ibm.commerce.order	Used by DOM to update the fulfillment statuses of orders.
ExternalOrder	com.ibm.commerce.order.external	Used by the order component to send order outbound service requests to DOM.