It needs to be stressed that channel binding as described in [RFC5056] (also called "GSS-API channel binding" when GSS-API is involved) is not the same thing as EAP channel binding. GSS-API channel binding is used for detecting man-in-the-middle attacks. EAP channel binding is used for mutual authentication and acceptor naming checks. See [RFC7055] for details. A more detailed description of the differences between the facilities can be found in [RFC5056].