In June, we discussed two examples that illustrate how Web services can be used within an enterprise and also between enterprises. There are many software vendors developing products and tools to support Web services. A brief list, with links to relevant Web sites, follows. A search of each vendor's Web site using the key words Web services, SOAP, WSDL and UDDI will also yield valuable information.
IBM Corporation: IBM with its other founding developers of Web services, Microsoft and Ariba jointly submitted initial Web services specifications to the W3C for consideration in September 2000. IBM is developing support for Web services using WebSphere. Visit http://www.ibm.com/xml/. Also, visit http://www-106.ibm.com/developerworks/xml/library/ws-wscd.html, where IBM has many articles concerning Web services and XML technologies. A CD containing additional information and software can also be requested from this location.
Microsoft Corporation: Microsoft is using its .NET ("dot Net") initiative to transform the company moving its software product functionality to the Internet. Web services are integral to .NET for real-time integration. For example, "Hailstorm" now called "My Services" and released with Windows XP offers some initial Web services. Visit http://www.microsoft.com/business/articles/net/netvision.asp for an article discussing Microsoft's vision, or visit http://www.microsoft.com/net/ directly. Many articles are available, including online training and Webcasts on all aspects of .NET. Microsoft also offers a DVD containing an evaluation version of VisualStudio.NET with 2GB of .NET code samples.
Software AG: The Software AG EntireX Web Services Development Environment supports integration using many RPC technologies, including Web Services, Java, CORBA and COM. Search for "EntireX" from http://www.softwareag.com/ or visit http://www.softwareagusa.com/. The Software AG Tamino XML database also provides extensive XML development capabilities. Tamino is supplied within the Software AG XML Starter Kit, available for download or on CD.
Hewlett-Packard: HP is extending its e-Speak initiative to support Web services and related languages. Search http://www.hp.com/ using the key words Web services, SOAP, WSDL and UDDI.
SUN: The Sun Open Net Environment (Sun.ONE) is being developed by Sun to support Web services as an answer to Microsoft .NET. Search http://www.sun.com/ using the aforementioned key words.
Clear Case: The CapeConnect Web Services Platform and CapeStudio Rapid Development Platform provide support for development and delivery of Web services. Visit http://www.j2ee-xml-ejb.com/.
Business Objects: The Business-Objects Web Services SDK is a good example of how software vendors are using Web services. This uses Web services to expose the InfoView and drill- down capabilities of the Business Objects business intelligence suite. Visit http://www.businessobjects.com/.
The field of Web services is one of the most rapidly evolving areas relating to XML. Some dedicated Web sites have been developed to provide information on Web services, WSDL, UDDI and SOAP. I have provided a brief introduction to some of the available resources. Because of the benefits achieved from Web services, this field is rapidly growing. Content of the following Web sites changes daily, so visit often.
WebServices.org: This Web site is a central starting point for Web services. It includes news, software, events and papers. Visit http://www.webservices.org/.
UDDI.org: This is the Web site for the UDDI registry and repository. It provides full details of UDDI with additional information on WSDL and SOAP. Visit http://www.uddi.org/.
W3C.org: The World Wide Web Consortium site publishes working drafts, recommendations and papers relating to all XML specifications. SOAP, UDDI and WSDL specifications and primer papers will be published here as they move through the W3C specification process. For example, the "SOAP V1.2 Part 1: Messaging Framework" specification is at http://www.w3.org/TR/2001/WD-soap12-part1- 20011002/.
soaprpc.com: This site provides papers, news, software and resources for Web services, SOAP, WSDL and UDDI. Visit http://www.soaprpc.com/.
XML Cover Pages: Robin Cover maintains a section of his XML Cover Pages Web site dedicated to Web services. He includes links to the topic detail and related information. Visit http://www.oasis- open.org/cover/wsdl.html.
Microsoft on UDDI: Microsoft has a UDDI Web site that provides links to Microsoft UDDI resources, plus related resource links for UDDI, WSDL and SOAP. Visit http://www.uddi.com/ and http://uddi.microsoft.com/developer/default.aspx.
IBM on WSDL: IBM offers many articles, resources, software and links from their developerWorks Web site. Visit http://www- 106.ibm.com/developerworks/webservices/? loc=dwmain.
To ensure you are aware of any new resources that become available, I recommend that you regularly search the Internet using these key words: Web services, SOAP, WSDL and UDDI.
Also, I have written an extensive executive report on Web services for Cutter Consortium. This is available at http://www.cutter.com/consortium/.
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