Stands for “Simple Object Access Protocol,” and may do more than simply get your palms clear. SOAP is a technique of transferring messages, or small quantities of data, over the Internet. SOAP messages are formatted in XML and are sometimes despatched using HTTP (hypertext switch protocol). Both are extensively supported information transmission requirements. HTTP, which is the protocol that Web pages are despatched over, has the extra benefit of avoiding most network firewalls. Since firewalls normally don’t block port 80 (HTTP) visitors, most SOAP messages can move via with none issues.

Each SOAP message is contained in an “envelope” that features a header and a physique. The header might embody the message ID and date the message was despatched, whereas the physique incorporates the precise message. Because SOAP messages all use the identical format, they’re appropriate with many alternative working techniques and protocols. For instance, a consumer can ship a SOAP message from a Windows XP machine to a Unix-based Web server with out worrying in regards to the message being altered. The Unix machine can then redirect the message to the suitable location or open the file using a program on the system. While most SOAP messages are despatched over the Web through HTTP, they may also be despatched through e-mail, using SMTP.

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