Chapter 1. Introducing Web Services
The underlying software and hardware that provide the connective tissue for the Internet represent some of the most complex technology of the past few decades. Just a few years ago, the Internet was a simple network that relatively few people used for e-mail. Seemingly overnight, HTTP- and HTML-based Web pages emerged. HTTP (Hypertext Transport Protocol) is an application-level protocol that is relatively easy to implement and debug. Web pages based on HTML (Hypertext Markup Language) are easy to author using a human-readable format that Web browsers have been liberal at interpreting.
Several years after the HTTP/HTML revolution, XML (eXtensible Markup Language) came into play. XML is a simple and easy-to-understand ...
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