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Why QAD QXtend?
QAD QXtend is the core of QAD Enterprise Application interoperability suite. It is a prebuilt integration architecture with predefined integration points, and which leverages business event models.
In addition using QAD QXtend can provide the following advantages:
Abstracts the interface from the service implementation helping to hide the business logic complexities from the user. QAD QXtend can change the way the service is implemented (rewrite the backend) if the user is concerned with how the backend has been implemented.
Protects customer investment by providing a simpler migration path to the latest releases of QAD EA. This is achieved by removing custom code and relying on standard interfaces.
Allows the introduction of new technology such as the service interface API with minimal impact on the customer.
Allows customer to integrate at the service level (SOA).
QAD QXtend represents the future development effort and long-term direction for QAD.
QAD QXtend Interoperability
Using QAD QXtend as part of an EAI strategy enables you to:
Link QAD systems to other systems (legacy or vendor systems) as well as link internal processes.
Replace manual data entry points that can lead to data integrity issues.
Increase operational efficiency.
Reduce organizational costs.
Streamline business processes.
Data Synchronization
Data synchronization is the on-going process of establishing consistency among data on remote sources on disparate applications. QXtend can handle data synchronization between different version of QAD EA; for example, from a QAD EE instance to an instance of eB2, or vice versa, as shown above.
The diagram above illustrates how data synchronization operates:
1
Changes are made to data in the master domain.
2
Changes are imported as an XML document into QAD QXtend.
3
The XML documents describing the changes are propagated to domains in external applications, such as other instances of QAD EA, regardless of the version.
Exercise: Interoperability Overview
The following list shows a number of key terms and concepts used in interoperability and the QAD interoperability platform. In each statement below, fill in the correct term from the list.
 
data consistency
information
interoperability
EDI eCommerce
services
Data synchronization
services management
seamless data flow
integration
islands of automation
1
Enterprise Application Integration is the process of linking disparate applications to achieve __________ across disparate systems.
2
Another objective of EAI is to eliminate _________________, also known as __________ silos.
3
Interoperability is a business strategy that aims to deliver _____________ between heterogeneous and distributed software applications throughout (and beyond) the enterprise.
4
Service Oriented Architecture separates functions into distinct units, or _________, which can be accessed over a network so that the services can be combined and reused.
5
In addition to orchestrating message routing, delivery, and transformation, the enterprise service bus also orchestrates ___________.
6
QAD QXtend is the core of the QAD Enterprise Applications _____________ suite. It is a prebuilt integration architecture with predefined __________ points, and which leverages business event models.
7
Interoperability software like QAD QXtend and ___________ deliver seamless data flow between heterogenous and distributed software applications throughout (and beyond) the enterprise.
8
___________is the on-going process of establishing consistency among data on remote sources on disparate applications.