Web Service is a business logic component which supports HTTP.
Uses:SOAP to expose business functionality
SOAP: Standardized way to transfer message in the form of XML.
Independent of platform
UDDI: Universal Description Discovery and Intergration.
It is a directory which helps to publish and discover webservice.
DISCO: Microsoft technology for publishing and discovering webservice.
WSDL: Web Service Description Language
defines XML grammar for describing web service (W3C)
SOA: Service Oriented Architecture
The policies, practices, frameworks that enable application functionality to be provided and consumed as sets of services published at a granularity relevant to the service consumer. Services can be invoked, published and discovered, and are abstracted away from the implementation using a single, standards-based form of interface
WS-* Specification:
In order to standardized SOA big companies comes and defined some rules
Messaging(WS-Addressing):Free from underlying protocol.
Security(Secuity,Trust,Secure Conversation):
Reliability:
Transactions:
MetaData:
Latest Programming 