1.4 Relationship to Other Protocols
This protocol uses the Simple Object Access Protocol (SOAP) message protocol for formatting request and response messages, as described in [SOAP1.1], [SOAP1.2-1/2007] and [SOAP1.2-2/2007]. It transmits those messages by using Hypertext Transfer Protocol (HTTP), as described in [RFC2616].
The File Synchronization via SOAP over HTTP Protocol uses SOAP over HTTP, as described in [RFC2616], as shown in the following layering diagram.
Figure 1: This protocol in relation to other protocols