1.4 Relationship to Other Protocols
The SOAP over WebSocket Protocol Binding uses the WebSocket protocol, as described in [RFC6455], as the transport. The SOAP over WebSocket Protocol Binding uses WebSocket framing as defined in section 5 of [RFC6455] to send SOAP 1.2 messages [SOAP1.2-2/2007].
The following figure shows the protocol stack.

Figure 1: Protocol stack