Information AboutCaldav |
| CATEGORIES ABOUT CALDAV | |
| internet protocols | |
| calendaring standards | |
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The CalDAV specification was first published in 2003 by Lisa Dusseault as an Internet Draft submitted to the Internet Engineering Task Force ( IETF ), and it quickly gained support from several calendaring Software vendors. In January 2005 the first interoperability event was organized by the CalConnect consortium. Since March 2007 , the CalDAV specification is described in the RFC 4791. CalDAV is designed for implementation by any Collaborative Software , client or server, that needs to maintain, access or share collections of events. It is being developed as an Open Standard to foster interoperability between software from different implementors. The architecture of CalDAV is to model events, which may be meetings or appointments or blocked-off-time, as HTTP resources. Each event is expressed in the standard ICalendar format. Thus, any Web browser can download a standard representation of an event. Events are organized into WebDAV collections to allow browsing and synchronization. In addition to HTTP (RFC 2616) and WebDAV (RFC 2518) functionality, a CalDAV server must support WebDAV access control (RFC 3744), must parse iCalendar files (RFC 2445) and support a number of calendaring-specific operations such as doing free-busy time reports and expansion of recurring events. With this functionality, a user may synchronize his or her own calendar to a CalDAV server, and share it among multiple devices or with other users. The protocol also supports non-personal calendars, such as calendars for sites or organizations. Some developers have criticized CalDAV's complexity, claiming that the difficulty of implementing it will lead to implementations that can exhibit small bugs when talking to each other, much as has happened with IMAP for mail. However, several developers who went ahead with implementations have said its not hard to get something working quickly, and many organizations have committed to providing CalDAV products and serious momentum is now building behind having it become a viable standard for calendaring and scheduling across the internet. On .[http://trac.calendarserver.org/projects/calendarserver Calendar Server], Darwin. Up-to-date CalDAV information can be found at the CalDAV home page . REFERENCES SEE ALSO
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