SOA Realization (Two ways)
- XML - SOAP Based Web Services
- Extensible Markup Language (XML) is a markup language designed as a standard way to encode documents and data
- SOAP is an acronym for Simple Object Access Protocol. It is an XML-based messaging protocol for exchanging information among computers
- RESTful Web services
Web service is the terminology used everywhere
Service-Oriented Architecture model implemented by XML Web Services
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| SOA Model |
WSDL – Web Services Description Languages
- Provides a machine-readable description of how the service can be called, what parameters it expects, and what data structures it returns.
- Used in combination with SOAP and an XML Schema to provide Web services over the Internet.
UDDI – Universal Description, Discovery and Integration
- White Pages — address, contact, and known identifiers;
- Yellow Pages — industrial categorizations based on standard taxonomies;
- Green Pages — technical information about services exposed by the business.
