346 Introduction to the New Mainframe: z/VSE Basics
5. The HTTP client sends the SOAP envelope (in textual XML format) to a SOAP
server.
The reply is then sent from the SOAP server back to the CICS User Transaction
(the SOAP client), using the reverse of the above steps (that is, steps 6 to 10).
The SOAP server sends the reply back to the HTTP client, which forwards it to
the SOAP client-processor. The SOAP client-processor calls the XML parser to
parse the textual XML format into a tree representation. The tree is passed to the
SOAP converter, which de-serializes the parameters into a binary representation,
and forwards them to the CICS User Transaction. The CICS User Transaction
then processes the reply.
13.5.4 XML parser
Part of the VSE SOAP ...