The core
components of the XML web services platform are SOAP, UDDI, WSDL, XLANG
/ XAML, and XKMS.
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SOAP
is the Simple Object Access Protocol that is used for communicating
with the server to invoke remote objects in the server. The data sent
to the server with this protocol is in the form of and XML document
that has the necessary elements which define which object is to be invoked
in the server.
The UDDI
is a directory that is used to list down the web services that are available
for use. Businesses can publish the web services that they provide and
client can find the service that they want to use in their programming.
The WSDL
is the Web Services Definition Language that gives the format of the
service requests that can be sent to the service providers. With this
you can find out how to invoke a service, what it will do for you and
where it is found.
XLANG/XAML
gives the support for the transactions in the web for different webservices.
Authentication is provided by the XKMS (XML Key Management Specification).
