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Why Web Services?

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In this section of WebServices tutorials series we will understand why Web Services are developed and what are the benefits of using Web Services for the development of Enterprise applications.

Why Web Services?

In this section of WebServices tutorials series we will understand why Web Services are developed and what are the benefits of using Web Services for  the development of  Enterprise applications.

Why Web Services?

Here are the benefits of using Web Services:

Exposing the function on to network: A Web service is a unit of managed code that can be remotely invoked using HTTP,  that is, it can be activated using HTTP requests. So, Web Services allows you to expose the functionality of your existing code over the network. Once it is exposed on the network, other application can use the functionality of your program.

onnecting Different Applications: Web Services allows different applications to talk to each other and share data and services among themselves. Other applications can also use the services of the web services. For example VB or .NET application can talk to java web services and vice versa. So, Web services is used to make the application platform and technology independent.

Standardized Protocol: Web Services uses standardized industry standard protocol for the communication. All the four layers (Service Transport, XML Messaging, Service Description and Service Discovery layers) uses the well defined protocol in the Web Services protocol stack. This standardization of protocol stack gives the business many advantages like wide range of choices, reduction in the cost due to competition and increase in the quality.

Low Cost of communication: Web Services uses SOAP over HTTP protocol for the communication, so you can use your existing low cost internet for implementing Web Services. This solution is much less costly compared to proprietary solutions like EDI/B2B. 

Support for Other communication means: Beside SOAP over HTTP, Web Services can also be implemented on other reliable transport mechanisms. So, it gives flexibility use the communication means of your requirement and choice. For example Web Services can also be implemented using ftp protocol (Web services over FTP).

Loosely Coupled Applications: Web Services are self-describing software modules which encapsulates discrete functionality. Web Services are accessible via standard Internet communication protocols like XML and SOAP. These Web Services can be developed in any technologies (like c++, Java, .NET, PHP, Perl etc.) and any application or Web Services can access these services. So, the Web Services are loosely coupled application and can be used by applications developed in any technologies. For example, I have heard of people developing Web Services using Java technologies and using the Web Services in VB or .NET applications.

Web Services Sharing: These days due to complexness of the business, organizations are using different technologies like EAI, EDI, B2B, Portals etc. for distributing computing. Web Services supports all these technologies, thus helping the business to use existing investments in other technologies.

Web Services are Self Describing: Web Services are self describing applications, which reduces the software development time. This helps the other business partners to quickly develop application and start doing business. This helps business to save time and money by cutting development time.

Automatic Discovery: Web Services automatic discovery mechanism helps the business to easy find the Service Providers. This also helps your customer to find your services easily. With the help of Web Services your business can also increase revenue by exposing their own Web Services available to others.

Business Opportunity: Web Services has opened the door to new business opportunities by making it easy to connect with partners.

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Posted on: January 6, 2006

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Comments
tusarkant sahoo
April 5, 2011
Many many thx

This tut. is very nice, a novice can run an app. thx for this simplified version of the tech.
Jai Prakash
October 12, 2012
Webservice and SOA with example

Could you plz. explain with example code the Webservice and SOA. Thanks. Regards. Jai Prakash
Jai Prakash
October 12, 2012
Webservices and SOA

Hi I am learning about Webservice and SOA. Could you help me with example(Code). Thanks. Regards. Jai Prakash
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