OAP is a standard protocol defined by the W3C Standard for sending and receiving web service requests and responses. SOAP uses the XML format to send and receive the request and hence the data is platform independent data. SOAP messages are exchanged between the provider applications and receiving application within the SOAP envelops. As SOAP uses the simple http transport protocol, its messages are not got blocked by the firewalls. REST means REpresentational State Transfer; it is an architecture that generally runs over HTTP. The REST style emphasizes the interactions between clients and services, which are enhanced by having a limited
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