vCard Extensions to
WebDAV
WebDAV (Web Distributed Authoring and Versioning) is a set of extensions to the Hypertext Transfer Protocol (HTTP), which allows user agents to collaboratively author contents ''directly'' in an HTTP web server by providing facilities for conc ...
(CardDAV) is an
address book client/server protocol designed to allow users to access and share contact data on a server.
The CardDAV protocol was developed by the
IETF
The Internet Engineering Task Force (IETF) is a standards organization for the Internet standard, Internet and is responsible for the technical standards that make up the Internet protocol suite (TCP/IP). It has no formal membership roster ...
and was published as in August 2011. CardDAV is based on
WebDAV
WebDAV (Web Distributed Authoring and Versioning) is a set of extensions to the Hypertext Transfer Protocol (HTTP), which allows user agents to collaboratively author contents ''directly'' in an HTTP web server by providing facilities for conc ...
, which is based on
HTTP
HTTP (Hypertext Transfer Protocol) is an application layer protocol in the Internet protocol suite model for distributed, collaborative, hypermedia information systems. HTTP is the foundation of data communication for the World Wide Web, wher ...
, and it uses
vCard
vCard, also known as VCF ("Virtual Contact File"), is a file format standard for electronic business cards. vCards can be attached to e-mail messages, sent via Multimedia Messaging Service (MMS), on the World Wide Web, instant messaging, N ...
for contact data.
History
CardDAV was proposed as an open standard for contact management in August 2011. It became known as a synchronization protocol in iOS 7, among other things, and is now also supported by
Gmail
Gmail is the email service provided by Google. it had 1.5 billion active user (computing), users worldwide, making it the largest email service in the world. It also provides a webmail interface, accessible through a web browser, and is also ...
, where it replaces the no longer supported (by Google)
ActiveSync standard.
In October 2013, the standard received an update that made it possible to capture higher-resolution contact images and achieve lower data consumption.
Specification
The specification has been proposed as a standard by
IETF
The Internet Engineering Task Force (IETF) is a standards organization for the Internet standard, Internet and is responsible for the technical standards that make up the Internet protocol suite (TCP/IP). It has no formal membership roster ...
as th
RFC 6352in August 2011 by C. Daboo from
Apple Inc.
Apple Inc. is an American multinational corporation and technology company headquartered in Cupertino, California, in Silicon Valley. It is best known for its consumer electronics, software, and services. Founded in 1976 as Apple Comput ...
See also
*
Comparison of CalDAV and CardDAV implementations
*
CalDAV
*
Exchange ActiveSync
*
SyncML
*
vCard
vCard, also known as VCF ("Virtual Contact File"), is a file format standard for electronic business cards. vCards can be attached to e-mail messages, sent via Multimedia Messaging Service (MMS), on the World Wide Web, instant messaging, N ...
*
WebDAV
WebDAV (Web Distributed Authoring and Versioning) is a set of extensions to the Hypertext Transfer Protocol (HTTP), which allows user agents to collaboratively author contents ''directly'' in an HTTP web server by providing facilities for conc ...
References
External links
The Internet Engineering Task Force (IETF)CardDAV Resources
{{DEFAULTSORT:Carddav
Hypertext Transfer Protocol
Servers (computing)