Jabber/XMPP - открытый и свободный (от лицензирования) протокол. Он развивался с 1999 года. Основной протокол был принят IETF под именем eXtensible Messaging and Presence Protocol (XMPP - расширяемый протокол обмена сообщениями и информацией о присутствии, различные расширения к этому протоколу продолжают определяться в специальных документах - XEP, выпускаемых под контролем XMPP Standards Foundation.
Основные XML протоколы, разработанные Jabber-сообществом в 1999 были внесены Jabber Software Foundation в Internet Standards Process в 2002 году. Эти протоколы были приняты IETF в Октябре 2004 как RFC 3920 и RFC 3921:
- RFC 3920: Extensible Messaging and Presence Protocol (XMPP): Core -- ядро XML потоковой технологии, с помощью которой работают Jabber-приложения, включая расширенную безопасность и поддержку многоязычности.
- RFC 3921: Extensible Messaging and Presence Protocol (XMPP): Instant Messaging and Presence -- Базовая система IM и расширения информации о присутствии, включая контакт-листы, систему подписок, и черные/белые списки.
В дополнение были разработаны следущие RFC:
- RFC 3922: Mapping the Extensible Messaging and Presence Protocol (XMPP) to Common Presence and Instant Messaging (CPIM) -- Сопоставление XMPP к абстрактному синтаксису IETF для IM и информации о присутствии.
- RFC 3923: End-to-End Signing and Object Encryption for the Extensible Messaging and Presence Protocol (XMPP) -- расширение для межсерверной, межклиентной безопасности.
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