The &XSF; defines protocol suites for the purpose of compliance testing and software certification. This document specifies the XMPP Basic Server 2009 certification level.

The XMPP Basic Server 2009 certification level is defined below. Support for these specifications is REQUIRED for compliance purposes.

• &rfc3920; *
• &rfc3921; *
• &xep0030;

* Note: RFC 3920 and RFC 3921 are currently being revised to correct errors, clarify matters that were underspecified, and incorporate feedback based on implementation and deployment experience gained since RFC 3920 and RFC 3921 were published in 2004. Although the compliance level specified herein refers to RFC 3920 and RFC 3921, developers are also advised to consult &rfc3920bis; and &rfc3921bis;, which provide the most up-to-date and accurate description the core XMPP protocols.

The XMPP Intermediate IM Server 2009 certification level is defined as follows:

• XMPP Basic Server 2009 (see above)
• &xep0016; and &xep0191;
• &xep0045; (support may be enabled via an external component or an internal server module/plugin)
• &xep0054;
• &xep0077;
• &xep0124; and &xep0206; (support may be enabled via an external component or an internal server module/plugin)

Some of the protocol specifications referenced herein have their own dependencies; developers must refer to the relevant specifications for further information.

Developers are advised to refer to &xep0178; regarding proper implementation of the SASL EXTERNAL mechanism in XMPP.

This document introduces no additional security considerations above and beyond those defined in the documents on which it depends.

This document requires no interaction with &IANA;.

This document requires no interaction with the ®ISTRAR;.