This is the advantage of the use of web services –
A web service is a controlled code unit that may be called by HTTP remotely. This means that HTTP requests can be triggered. You may display the functionality of your existing network code through web services. Other programs can use the feature of your program once exposed over the network.
Web services enable different apps to communicate with one other and share data and services. Other applications may also use web services. A program such as VB or .NET can speak with web services from Java and vice versa. The applications platform and technology are made autonomous via Web services.
Web services employ the standard protocol for communication for industry-defined services. All four layers of the web services stack use well-defined protocols, including Service Transport, XML Messaging, Service Description, and the Services Discovery layers. This standardization of the protocol stack offers numerous firm advantages, including an extensive range of options, reducing competitive costs, and improving quality.
Web services employ the SOAP over HTTP protocol to implement web services using your existing low-cost Internet. This option is substantially cheaper than proprietary solutions like EDI/B2B. In addition to SOAP via HTTP, other reliable transport protocols like FTP may potentially provide web services.
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