This part of the element will contain the message which is intended for the ultimate delivery point. An element can be described inside the body element as a default namespace which indicates about the error message during the process. SOAP element acts just like a code to be processed during the execution of a certain application.
A SOAP message has to travel a very long distance between its client and server but during the process a part of the message may be intended to be deployed to another destination which is made possible by the SOAP elements actor attribute which address the header element to a particular location.
A SOAP message will have the SOAP element as the root element. SOAP element name space should always have the value of : as that defines the Envelope.
Following elements are contained in the SOAP message.
1) An envelope element which identifies and translates the XML document into a SOAP message.
2) A header element is a must as it should contain header message.
3) A body is required which should contain call and response message.
4) Fault element is required which can communicate about the errors occurred during the process
An important difference between Remote call procedure and local call is that remote call can fail often and this occurs without the knowledge of the user. Local calls are easily handled. Another main difficulty lies with the code writing capability because it is written in a low level language.
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