Extensible Messaging and Presence Protocol (XMPP): Instant Messaging and Presence
RFC 6121
Document | Type |
RFC - Proposed Standard
(March 2011; Errata)
Obsoletes RFC 3921
|
|
---|---|---|---|
Author | Peter Saint-Andre | ||
Last updated | 2015-10-14 | ||
Stream | IETF | ||
Formats | plain text html pdf htmlized bibtex | ||
Reviews | |||
Stream | WG state | (None) | |
Document shepherd | No shepherd assigned | ||
IESG | IESG state | RFC 6121 (Proposed Standard) | |
Consensus Boilerplate | Unknown | ||
Telechat date | |||
Responsible AD | Gonzalo Camarillo | ||
Send notices to | (None) |
Internet Engineering Task Force (IETF) P. Saint-Andre Request for Comments: 6121 Cisco Obsoletes: 3921 March 2011 Category: Standards Track ISSN: 2070-1721 Extensible Messaging and Presence Protocol (XMPP): Instant Messaging and Presence Abstract This document defines extensions to core features of the Extensible Messaging and Presence Protocol (XMPP) that provide basic instant messaging (IM) and presence functionality in conformance with the requirements in RFC 2779. This document obsoletes RFC 3921. Status of this Memo This is an Internet Standards Track document. This document is a product of the Internet Engineering Task Force (IETF). It represents the consensus of the IETF community. It has received public review and has been approved for publication by the Internet Engineering Steering Group (IESG). Further information on Internet Standards is available in Section 2 of RFC 5741. Information about the current status of this document, any errata, and how to provide feedback on it may be obtained at http://www.rfc-editor.org/info/rfc6121. Copyright Notice Copyright (c) 2011 IETF Trust and the persons identified as the document authors. All rights reserved. This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the Simplified BSD License. Saint-Andre Standards Track [Page 1] RFC 6121 XMPP IM March 2011 Table of Contents 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1. Overview . . . . . . . . . . . . . . . . . . . . . . . . 5 1.2. History . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.3. Requirements . . . . . . . . . . . . . . . . . . . . . . 5 1.4. Functional Summary . . . . . . . . . . . . . . . . . . . 7 1.5. Terminology . . . . . . . . . . . . . . . . . . . . . . . 8 2. Managing the Roster . . . . . . . . . . . . . . . . . . . . . 9 2.1. Syntax and Semantics . . . . . . . . . . . . . . . . . . 9 2.1.1. Ver Attribute . . . . . . . . . . . . . . . . . . . . 10 2.1.2. Roster Items . . . . . . . . . . . . . . . . . . . . 10 2.1.2.1. Approved Attribute . . . . . . . . . . . . . . . 10 2.1.2.2. Ask Attribute . . . . . . . . . . . . . . . . . . 10 2.1.2.3. JID Attribute . . . . . . . . . . . . . . . . . . 11 2.1.2.4. Name Attribute . . . . . . . . . . . . . . . . . 11 2.1.2.5. Subscription Attribute . . . . . . . . . . . . . 11 2.1.2.6. Group Element . . . . . . . . . . . . . . . . . . 12 2.1.3. Roster Get . . . . . . . . . . . . . . . . . . . . . 12 2.1.4. Roster Result . . . . . . . . . . . . . . . . . . . . 13 2.1.5. Roster Set . . . . . . . . . . . . . . . . . . . . . 14 2.1.6. Roster Push . . . . . . . . . . . . . . . . . . . . . 14 2.2. Retrieving the Roster on Login . . . . . . . . . . . . . 16 2.3. Adding a Roster Item . . . . . . . . . . . . . . . . . . 17 2.3.1. Request . . . . . . . . . . . . . . . . . . . . . . . 17 2.3.2. Success Case . . . . . . . . . . . . . . . . . . . . 17 2.3.3. Error Cases . . . . . . . . . . . . . . . . . . . . . 18 2.4. Updating a Roster Item . . . . . . . . . . . . . . . . . 22 2.4.1. Request . . . . . . . . . . . . . . . . . . . . . . . 22 2.4.2. Success Case . . . . . . . . . . . . . . . . . . . . 24 2.4.3. Error Cases . . . . . . . . . . . . . . . . . . . . . 24 2.5. Deleting a Roster Item . . . . . . . . . . . . . . . . . 24 2.5.1. Request . . . . . . . . . . . . . . . . . . . . . . . 24 2.5.2. Success Case . . . . . . . . . . . . . . . . . . . . 25 2.5.3. Error Cases . . . . . . . . . . . . . . . . . . . . . 26 2.6. Roster Versioning . . . . . . . . . . . . . . . . . . . . 26 2.6.1. Stream Feature . . . . . . . . . . . . . . . . . . . 26 2.6.2. Request . . . . . . . . . . . . . . . . . . . . . . . 26 2.6.3. Success Case . . . . . . . . . . . . . . . . . . . . 27 3. Managing Presence Subscriptions . . . . . . . . . . . . . . . 30 3.1. Requesting a Subscription . . . . . . . . . . . . . . . . 30 3.1.1. Client Generation of Outbound Subscription Request . 31Show full document text