Introduction
Service :
• It is well defined, self-contained function that represents unit of functionality.
• It can exchange information for another service.
SOA (Service Oriented Architecture) :
• SOA is design pattern.
• It is designed to provide service to other application through protocol.
Web Services can be defined as :
• Web Service is a client server application or application component for communication.
• A method of communication between two devices over the network.
• Web Service is a software system for interoperable machine to machine communication.
• It is a collection of standards or protocols for exchanging information between two devices or applications.
If two technologies used to interact then there should be some intermediater as Web Services :
