
Elsevier UK Jobcode:QMS Chapter:Ch12-H6839 31-7-2007 9:16a.m. Page:188 Trimsize:165
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188 MDDL and the Quest for a Market Data Standard
HTTP transportation layer
Hyper Text Transfer Protocol (HTTP) is a communications protocol that enables
web-based applications to communicate. It is possible to bind the SOAP message
either to the web service defined within the WSDL document, or to HTTP directly.
The relationship between SOAP, WSDL and HTTP is normally shown in the
form of building blocks, and is known as the web services protocol stack; however, ...