1 Introduction


The Simple Symmetric Transport Protocol (SSTP) is a TCP-based, message-oriented, application-layer binary protocol. It enables two higher-level applications to engage in bi-directional communication and to exchange data over multiple logical sessions on a single network connection.

Sections 1.5, 1.8, 1.9, 2, and 3 of this specification are normative. All other sections and examples in this specification are informative.