About SOAP
SOAP stand for (Simple Object Access Protocol) which is used as message protocol that allows programs that run on disparate operating systems such as Windows and Linux to communicate using Hypertext Transfer Protocol and also using XML. All these protocols are installed and available in all major operating system platforms and HTTP and XML provide an at-hand solution that allows programs running under different operating systems in a network to communicate with each other. SOAP mainly descirbe how to encode an HTTP header and an XML file which is used in one computer to can call a program in another computer and pass along information so that SOAP also used for as communication argument.
Related resources for SOAP