Definition of Web Services


Web Services are thought as reusable web based applications that could be accessed through different hardware platforms and systems. XML and HTTP is the basic platform of web services.



This is a standardized way of integrating web applications using web service standards and protocols for accessing and developing web services like XML, SOAP, WSDL and UDDI. XML can be used to format the data retrieved by the protocol, SOAP is used to transfer the information, WSDL describes the availability of web service and UDDI supplies the list of available services.

Web Service Design Patterns

Basic elements of Web service design pattern are:

1.    understanding web services

2.    Web services management and their interoperability

3.    Understand the lower level transport model

4.    Provide appropriate Security

5.    Provide Specific functionality and User-friendly GUI

6.    Plan for deployment issues

Usage of Web Services

Web Services usually do not provide the user with any interface to demonstrate data in well defined web pages. Instead, web services just share data tagged with XML over the network. Developers process this data by connecting web services to a GUI such as Websites and provide it user-friendly interface to offer useful functionality for the user.

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Advantages of using Web Services

Create reusable internet based applications as Web Services. Sometimes different applications need same code frequently. Web Services has overcome this concern of developing same applications again and again. For example currency conversion, weather report and country locations services. Web Services decrease the time consuming custom coding by offering reusable functions to build up applications with specific functionality. Web Services are platform independent because all communication in XML. JAVA can talk to Perl; LINUX applications can talk to Windows applications easily.

Web Services Applications

You will find number of example of using web services applications like selling products of your business affiliate partner by creating e commerce web site accessing these products catalog through Web Services. This assists in revenue sharing by tracking visitors of your site. Other illustration of web service: Environment web service provides temperature of various locations; its net based widgets can be used to be placed on your web site to show the live environment.

Future of Web Services

Web Solutions a simple, inter operable, messaging framework. Today it's got proved itself being a quick and efficient strategy for increasing business revenue in case your business is capable of creating web services accessible to other people. Web Services SOAP is becoming more advanced and trying to beat the issue of security and routing.