Key components of UDDI

Universal Description, Discovery and Integration Web site

* Extensible Markup Language (XML), which tags information so that other

systems know how to interpret it.

* The proposed Simple Object Access Protocol (SOAP), a messaging specification

that defines ways to package and transmit XML data.

* HTTP, which defines how a Web browser or server will respond to

messages they receive.

* The domain name system for specifying Web addresses.