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What is a Web Services

There is no one agreed definition of the term "Web Services," as it is defined somewhat differently by the various software vendors who are providing this technology or using it in some form. The official definition of the term, as specified by the W3C, the World Wide Web Consortium—a global organization that designs, develops, promotes, and encourages standardization of Web-related technologies—is as follows:
"A Web service is a software system identified by a URI, whose public interfaces and bindings are defined and described using XML. Its definition can be discovered by other software systems. These systems may then interact with the Web service in a manner prescribed by its definition, using XML based messages conveyed by Internet protocols."
This is a fairly technical definition, so let's dissect it a little to understand what it means. To start with, let's look at some of the terminology that is used. (A good resource for all Web-related terminology can be found at Webopedia).
URI (Uniform Resource Identifier) is the generic term for all types of names and addresses that refer to objects on the Web. A URI designates a specific resource on the Internet and also designates a method to access the resource. The familiar URL (Uniform Resource Locator) we use to reference a particular web page is one kind of URI.
XML (extensible markup language) is a specification similar to HTML, but which goes beyond simple document presentation to capturing data in a meaningful and structured format so that it can be exchanged between applications that need that data. XML uses user-defined tags to describe data types, and also includes mechanisms to address and associate sets of data, referred to as resources. The XML specification comes from the same source, W3C, described earlier.
The Internet protocol in the Web Services definition refers primarily to SOAP (which was formerly an acronym for "Simple Object Access Protocol," but is now seen as just a name after growing into something that is no longer simple or object-access specific). SOAP is a lightweight XML-based messaging protocol, independent of any operating system, which encodes XML data as well as request and response messages before sending them over a network. Thus, while XML is used to tag the data to make it semantically meaningful, the actual process of transferring that data across a network is done using SOAP. In essence, SOAP is the glue that binds Web Services together. Other core protocols include WSDL, a specification for describing a Web Service (the service methods, message types, etc.), and UDDI, a mechanism to publish and discover Web Services.
Putting it all together and in less technical terms, Web Services is a technology that integrates different Web-based applications from different sources by allowing them to directly communicate data, semantics, and processes with each other, independent of any specific operating system or programming language, and automatically, without human intervention. The future trend in computing appears to be a move away from traditional desktop and client-server based applications towards applications that are fully developed and deployed over the Internet, that can also communicate with other Web-based applications dynamically in real-time to provide more integrated solutions to specific user tasks. Web Services is a crucial enabling technology for such applications, so we are likely to keep hearing a lot more about it in technology circles. Many of the leading high-tech companies are offering development platforms and environments that support Web Services, including Microsoft with .NET, IBM with Web Sphere, BEA Systems with Web Logic, and Sun Microsystems with the Sun Java Enterprise System. (Note that the IBM, BEA, and Sun products are all based on the Java platform.)

Web services with Net Beans 5.5



TIBCO

IBCO Software Inc. is a global company that develops integration software for companies including those in the energy, manufacturing, retail, healthcare, and financial services industries. Its headquarters is in Palo Alto, California, with offices in North America, Europe, Asia, the Middle East, Africa and South America. The company's major commercial competitors are IBM Oracle Corporation, and SAP AG.
In addition, TIBCO offers the message-oriented middleware products Rendezvous and Smart Sockets (from Talarian acquisition). In 2009, TIBCO enters the grid computing and cloud computing markets by acquiring Data Synapse.
TIBCO is an indirect successor to Teknekron Software Systems, Inc. Teknekron was formed in 1983 and produced a software product it called The Information Bus (TIB), which included as a substantial application the processing of stock quotes. In 1994, Teknekron was acquired by Reuters, but was spun out as a separate company in 1994, named Tibco, after the TIB product. In January 1997 Tibco Software Inc. was established as a separate entity to create and market software for integration of business applications outside the financial services sector. Reuters retained Tibco Finance to create and market software solutions for the financial services sector. In July 1999, Tibco went public on the Nasdaq Stock Market under the ticker symbol TIBX.

Greg the Architect
Starting in 2007, Tibco promoted video and print ads starring an action figure called "Greg the Architect. Since launching, the videos have been mentioned in numerous industry blogs, including the Wall Street Journal.
The campaign won an IAC Award (Internet Advertising Competition) in March 2007. They were then honored with the B to B Best Award for Best Online Campaign from B to B Magazine. "Greg" also won a Stevie Award for Best Corporate Film or Video in the Public Relations category at the 2007 American Business Awards.
Greg the Architect has been used in print as a comic strip in many industry magazines covering SOA and BPM. The campaign was also written about in a book from Harvard Business Press entitled Groundswell concerning marketing using social technology. In a blog written by the authors of Groundswell, Greg parodies himself.

By - Ramesh
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