A Special Interest Group (SIG) is a working group approved by the XMPP Council to address specific areas of growth or concern within the Jabber/XMPP developer community, usually by means of developing and publishing XMPP Extension Protocols (XEPs).
The main function of most SIGs is to produce acceptable XMPP extensions (delivered in the form of XMPP Extension Protocols or XEPs ) within a reasonably limited period of time. However, at the discretion of the XMPP Council, a handful of standing SIGs may be approved (e.g., to address security or standards compliance).
Anyone (not limited to members of the XMPP Standards Foundation) may propose the formation of a SIG by completing a XMPP Extension Protocol outlining the need for the SIG and its proposed focus. However, SIG leaders must be members of the XMPP Standards Foundation. The number of leaders for a SIG is flexible, and shall be determined by each SIG, in consultation with the XMPP Council if necessary. The concept of "membership" with regard to SIGs is loose, and is essentially co-extensive with membership in the appropriate mailing list (each SIG has its own mailing list, which is archived for public review). SIG members do not need to be members of the XMPP Standards Foundation, and any member of the general public may subscribe to SIG mailing lists.
It is expected that all SIGs (other than certain standing SIGs) will remain active for as long as necessary in order to produce one or more standards-track specifications for review by the XMPP Council in the SIG's area of focus. However, if a SIG does not show signs of activity for an extended period of time (usually six months of inactivity on the SIG's mailing list), the SIG may be disbanded at the discretion of the XMPP Council with appropriate warning to the SIG members (usually in the form of an email sent to the SIG's mailing list).
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This XMPP Extension Protocol is copyright © 1999 – 2020 by the XMPP Standards Foundation (XSF).
Permission is hereby granted, free of charge, to any person obtaining a copy of this specification (the "Specification"), to make use of the Specification without restriction, including without limitation the rights to implement the Specification in a software program, deploy the Specification in a network service, and copy, modify, merge, publish, translate, distribute, sublicense, or sell copies of the Specification, and to permit persons to whom the Specification is furnished to do so, subject to the condition that the foregoing copyright notice and this permission notice shall be included in all copies or substantial portions of the Specification. Unless separate permission is granted, modified works that are redistributed shall not contain misleading information regarding the authors, title, number, or publisher of the Specification, and shall not claim endorsement of the modified works by the authors, any organization or project to which the authors belong, or the XMPP Standards Foundation.
## NOTE WELL: This Specification is provided on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. ##
In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall the XMPP Standards Foundation or any author of this Specification be liable for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising from, out of, or in connection with the Specification or the implementation, deployment, or other use of the Specification (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if the XMPP Standards Foundation or such author has been advised of the possibility of such damages.
This XMPP Extension Protocol has been contributed in full conformance with the XSF's Intellectual Property Rights Policy (a copy of which can be found at <https://xmpp.org/about/xsf/ipr-policy> or obtained by writing to XMPP Standards Foundation, P.O. Box 787, Parker, CO 80134 USA).
The Extensible Messaging and Presence Protocol (XMPP) is defined in the XMPP Core (RFC 6120) and XMPP IM (RFC 6121) specifications contributed by the XMPP Standards Foundation to the Internet Standards Process, which is managed by the Internet Engineering Task Force in accordance with RFC 2026. Any protocol defined in this document has been developed outside the Internet Standards Process and is to be understood as an extension to XMPP rather than as an evolution, development, or modification of XMPP itself.
The primary venue for discussion of XMPP Extension Protocols is the <email@example.com> discussion list.
Discussion by the membership of the XSF might also be appropriate (see <http://mail.jabber.org/mailman/listinfo/members> for details).
Errata can be sent to <firstname.lastname@example.org>.
The following requirements keywords as used in this document are to be interpreted as described in RFC 2119: "MUST", "SHALL", "REQUIRED"; "MUST NOT", "SHALL NOT"; "SHOULD", "RECOMMENDED"; "SHOULD NOT", "NOT RECOMMENDED"; "MAY", "OPTIONAL".
Note: Older versions of this specification might be available at http://xmpp.org/extensions/attic/