AbstractsBusiness Management & Administration

Web services are the new breed of web applications they are self contained self describing modular applications that can be published located and invoked across the World Wide Web The use of web services on the Web or Internet is expanding rapidly as the need for application to application communication and interoperability grows Web service based applications can vary in complexity from simple operations such as checking a bank account balance online to complex application like customer relationship management or enterprise resource planning systems newlineIn the basic web service models the interactions are between three roles the service provider service registry and service requestor The main operations of web services are to publish find and bind The service provider is the owner of the service and is responsible for the development and deployment of the web services The provider publishes the deployed services in the service registries The service requester is the user of the web services who searches the service registries to find web services that match his desired functionality The service requester uses the service description available in the registry to bind and execute the web service newlineA number of standards have been developed for web services The functionality of the web services is defined using the Web Services Description Language WSDL which follows the syntax and semantics of the Extensible Mark up Language XML newline newline%%%reference p127-138.