<div class="content" name="Introduction" uuid="b48cb8c3-974c-4ff3-9658-4e749e80bb0d"><p>The SPNEGO Extended Negotiation (NEGOEX) Security Mechanism
enhances the capabilities of SPNEGO by providing a security mechanism that can
be negotiated by the SPNEGO protocol. When the NEGOEX security mechanism is
selected by SPNEGO, NEGOEX provides a method that allows the selection of a
common authentication protocol based on metadata such as trust configurations.</p><p>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.</p></div>