SOAP - MessagesĪ SOAP message is an ordinary XML document containing the following elements −Įnvelope − Defines the start and the end of the message. Other frameworks such as CORBA, DCOM, and Java RMI provide similar functionality to SOAP, but SOAP messages are written entirely in XML and are therefore uniquely platform- and language-independent. It enables client applications to easily connect to remote services and invoke remote methods.Īlthough SOAP can be used in a variety of messaging systems and can be delivered via a variety of transport protocols, the initial focus of SOAP is remote procedure calls transported via HTTP. It is the XML way of defining what information is sent and how. It is both platform and language independent. It can be used for broadcasting a message. It can exchange complete documents or call a remote procedure. It provides data transport for Web services. It is a communication protocol designed to communicate via Internet. SOAP - Important Featuresįollowing are some important features of SOAP. It is an XML based protocol that consists of three parts: an envelope that defines a framework for describing what is in a message and how to process it a set of encoding rules for expressing instances of application-defined data types and a convention for representing remote procedure calls and responses. SOAP is a lightweight protocol for the exchange of information in a decentralized, distributed environment.

It is defined by World Wide Web Consortium (W3C) at as follows − SOAP is the acronym for Simple Object Access Protocol.

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