The World Wide Web is changing. While once conceived of and implemented as a collection of static pages for browsing, it now promises to become a web of services--a dynamic aggregate of interactive, automated, and intelligent services that interoperate via the Internet. Multiple web services will interoperate to perform tasks, provide information, transact business, and generally take action for users, dynamically and on demand. Such prospects are especially important for the e-business community, providing opportunities for conducting business faster, more efficiently, and with greater ease than ever before. For instance, the opportunity to manage supply chains dynamically, to achieve market advantage, is expected to increase productivity and add value to products. On the other hand, automatic management of supply chains presents new challenges.
Tutorial: Define a Windows Communication Foundation service contract
Intelligent Software Agents
This topic describes what service contracts are, how they are defined, what operations are available and the implications for the underlying message exchanges , what data types are used, and other issues that help you design operations that satisfy the requirements of your scenario. Services expose a number of operations. Then, to create a service contract, group together your operations, either by declaring them within an interface marked with the ServiceContractAttribute attribute, or by defining them in a class marked with the same attribute. For a basic example, see How to: Define a Service Contract. Any methods that do not have a OperationContractAttribute attribute are not service operations and are not exposed by WCF services.
List of web service specifications
Code download available at: XMLFiles What is it, and how is it different from other security standards? These elements allow you to frame messages in a standard way that facilitates extensibility and negotiation. The SOAP framework also provides standard error representation for informing clients about exceptions. In addition to this simple messaging framework, the SOAP specification also defines a set of encoding rules for common data structures used in programming languages mostly a stopgap measure since XML Schema wasn't around at the time , and a standard binding to HTTP and remote procedure calls RPC.
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