Due to the XML platform and technology independence, it is often used to deliver messages between different systems, and common technologies and specifications based on XML-based characteristics include: SOAP, Web Services, UDDI, and WSDL.
SOAP's full name is Simple Object Access Protocol, which defines how a class XML is created, packaged, and transmitted, can be synchronized or asynchronously via HTTP mode; Web Services is largely dependent on SOAP; UDDI is equivalent to online storage And shared Web Services location information for users to query when you need to call a Web Service; WSDL is an abbreviation for Web Services Dercription Language, which is used to describe Web services on UDDI.
