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More articles by S.Srivatsa Sivan

Author Bio
S. Srivatsa Sivan currently works as a Software Engineer for Hewlett-Packard. He did Post-Graduate work at IIIT-B. He has about 4 years of industry experience. His areas of interest include Web services, EAI, and Security.
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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