Web services

Web Services

WEB SERVICES

Web services can be broadly classified as applications that run on networks and enable communication between inter-connected systems . Web services are based primarily on HTTP (Hypertext Transfer Protocol ) and XML (eXtensible Markup Language , and are used extensively on networks especially on the Internet for a wider range of applications and functions

The extensive list of web services can be widely categorized by their style of use . Most of the preliminary web services were based on RPC (Remote Procedure Calls ) that use WSDL (Web Services Language ) operations

- an XML based language . Most of the software giants have developed their own web applications with RPC more notably Java 's Remote Method Invocation (RMI ) used in UNIX systems and Microsoft 's .Net Remoting that base on Windows platform . For this reason , RPC web services are used in a broader spectrum in many industries including e-Commerce (ex . online banking , purchasing etc tourism (ex . information and booking services ) and enterprise governance (ex . web-based ERP . In addition to RPC , web services are also developed and used as message-oriented services coupled with Service Oriented Architecture (SOA . With the ability of reusing the existing assets like the IT infrastructure and its built-in rigidity , SOA based web services have become more popular in modern web-based applications for instance Google has opted to use SOA extensively in their web services development like Google Docs . Also many Enterprise Applications Software (EAS , for example SAP , are based on SOA . As opposed to the aforementioned , Representational State Transfer...