1.4 Relationship to Other Protocols
This protocol uses the SOAP messaging protocol for formatting requests and responses as specified either in [SOAP1.1] or in [SOAP1.2/1] and [SOAP1.2/2]. It transmits these messages using the HTTPS protocol as specified in [RFC2818].
The following diagram shows the underlying messaging and transport stack used by the protocol:
Figure 1: This protocol in relation to other protocols