__
What
is a Web Service?
• Gartner
– Web Services are loosely coupled software components delivered over Internet Standard Technologies
• Simply
-Web Services are the application logic available in World Wide Web and are accessible using standard Internet
protocols.
-Web Services are based on the concept of Service Oriented Architecture (SOA).
– Web Services are loosely coupled software components delivered over Internet Standard Technologies
• Simply
-Web Services are the application logic available in World Wide Web and are accessible using standard Internet
protocols.
-Web Services are based on the concept of Service Oriented Architecture (SOA).
Why Web Services?
•
Change in Business needs
• Change in Technology
• Platform independent
• Language independent
• Easy to adopt
• Uses familiar technologies (XML)
• Reduced time to market and cost.
• Change in Technology
• Platform independent
• Language independent
• Easy to adopt
• Uses familiar technologies (XML)
• Reduced time to market and cost.
Technologies – Web Services Core Standards
- XML (eXtensible Markup Language)
- UDDI (Universal Description, Discovery and Integration)
- WSDL ( Web Services Description Language)
- SOAP ( Simple Object Access Protocol)
