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More articles by Raghunathan Venkatavaradan

Author Bio
R. Venkatavaradan has been working as a Technical Consultant for Hewlett-Packard. He has a Masters Degree from the School of Automation, Indian Institute of Science, Bangalore, and thirteen years of industry experience. He's worked in fields ranging from signal processing to Web services, J2EE, and Enterprise Application Integration. He has worked extensively on Web service technologies such as WSDL, SOAP, and UDDI, and provided technical consultancy to various projects in the field of mobile, telecom, and EAI that use Web service concepts and architecture.
For Enterprise Zone | April 19, 2005
Giving external—or internal—clients direct access to existing applications isn't always practical, secure, or flexible. Instead, it's often better to provide Web service wrapper around existing applications. Such wrappers let you safely expose existing systems to both internal and external customers and can work with a variety of communication methods via configurable protocols.
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