E-businesses have the need to communicate with their business partners and customers over multiple channels - call center applications, Internet, and other applications. These business communications are the critical business asset and demand highest degree of reliability and security. In today’s age of twenty four hour business, IT infrastructure needs to provide 24x7 availability. These communications need to be recorded for future references and legal reasons.

Advanced Queuing is the database integrated message queuing feature designed to meet these requirements. It offers multiple APIs for e-businesses to design different applications. Oracle9i offers new XML-based API to Advanced Queuing which can be used for businesses to communicate securely over the Internet with its business customers and partners. Its automatic and guaranteed message propagation feature enables automatic business message communication between applications of business partners.

Advanced Queuing offers two models for communications with businesses and customers over the Internet.

• Internet client communication
• Automatic message propagation over the Internet

Internet Client Communication
An internet client application can communicate over HTTP(s) and Email with a queue in Oracle database via XML-based protocol. We call this protocol Internet Data Access Protocol (IDAP). IDAP is the SOAP specification for AQ operations. It also offers transactional access, security, and characterset id conversions. This is useful for communicating with customers and business partners via thin applications on the client side. These applications can be simple javascript that generate IDAP message and sent to AQ Servlet via HTTP(s) POST.

Automatic Message Propagation Over the Internet
Alternative way to communicate with business partners and customers is using automatic message propagation over the Internet. This feature offers guaranteed, automatic, and tunable propagation from a queue in an Oracle database to the queues in other Oracle databases over the Internet. This is useful for automatic communication with the business processes of the partners and customers.

	Advanced Queuing
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