Hour 20. Web Services

What You’ll Learn in This Hour:

• Web services

• XML

• SOAP

• WSDL

• Web transactions

The technologies of the Web have led to a new revolution in software development. The web service architecture lets the programmer leverage the tools of the Web for complex tasks never envisioned by the creators of HTML. This hour examines the web services infrastructure. You’ll also get a quick look at how e-commerce websites process web transactions.

At the completion of this hour, you will be able to

• Discuss the web service architecture

• Understand the role of XML, SOAP, and WSDL in the web service paradigm

• Describe how e-commerce websites process monetary transactions