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What are Web Services?

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Introduction

Industry essay: What are Web Services? Web services have been hyped over the past year to be the most innovative improvement that has come to the Internet. It has been adopted by many companies, and has reached the forefront of applications development. So what is all the hype about? Web services can be described as an application that can be deployed or called over the Internet that allows applications to communicate with each other- regardless of the language in which they are written or which systems platform and operating system is being used. Each service is a discrete unit of code, and performs a small set of given tasks. Typically, web services make use of standard web protocols to perform its tasks- it usually follows an order: 1) find the web service requested, 2) determine how the web service is called once it is found, and 3) call the program or service requested. For the search portion, UDDI (Universal Discovery, Description, and Integration) is mainly used. It is a service that essentially is a directory of web services, and UDDI helps the user find the web service or program for which he is looking. WSDL (Web Service Definition Language) ...read more.

Middle

* A company wants to measure how much a particular product it has sold, which customers bought how much of the product, when the next shipment of the product will be coming into the warehouse, and how much profit was generated by the sales. A web service can be used to connect the inventory management, customer ordering, warehouse management, and accounting management systems, and all of the information can be obtained in one step. When an order is placed, the order will be not only entered into the customer ordering system, but also into the inventory system, the accounting management system, and the warehouse management system to reflect the customer's purchase. * A woman want to access information about albums by her favorite artists, so that she can make compilation CD's. She uses a CD-playing and MP3-ripping software program to search CDDB, an online database of song-title information for compact discs. The program uses a web service to query CDDB over the Internet, and get results about the selected CD's back. * Dialog, a leading worldwide provider of online-based information services and integrated information solutions, has created a web service that enables Dialog's extensive content collection and renowned search engine to be integrated transparently into Web sites, enterprise portals, corporate intranets and extranets, software applications and other interactive services. ...read more.

Conclusion

It will have a great effect in particular on the software industry, as it will diminish the effect of competition between companies based on language and platform. As Barbara Angius Saxby of Accelent Marketing so eloquently states, "By exposing components of applications as Web Services, and enabling consumers to invoke these components, businesses can strengthen their ability to integrate enterprise applications and interact with current and potential customers and partners." In other words, web services allow the bounds on software integration to be greatly expanded. It is now a great selling point for companies, particularly those that develop software. And at first, those companies that develop web services will benefit, but the success will eventually give way to those businesses that leverage web services in the most useful manner. INDEX Brown, Bob, in an interview with Zimon, Gene (CIO and senior vice-president of Nstar energy company), Utility IT Exec To Explore Power of Web Services, Network World, December 2, 2002 McAllister, Neil, Service Economy: Will Web Services Be the Savior of the Industry? New Artchitect, April 18, 2002 http://www.fatalexception.org/articles/2002/20020418.html Microsoft Corporation, What Are Web Services?, May 15, 2003 http://www.microsoft.com/net/basics/webservices.asp Saxby, Barbara Angius, Web Services: A Floor Wax or Dessert Topping?, March 7, 2002 http://www.goto-silicon-valley.com/articles/barbara-angius-saxby/web_services.pdf Sholler, Daniel, META Report: What Are Web Services, Anyway?, Datamation, January 16, 2002 http://itmanagement.earthweb.com/it_res/article.php/955861 ...read more.

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