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An event that occurs when a device on a network using the LAT protocol continues to broadcast its availability even though its availability status is known by the network.


An open standard for instant messaging (IM). There are tens of thousands of Jabber servers on the Internet, most of which are privately run within a company or college campus. There are also hundreds of public Jabber servers that any user can register with, Google Talk being the largest at one time.

The Jabber protocol is XMPP (Extensible Messaging and Presence Protocol), and any client program that supports XMPP can communicate with any other user with an XMPP client, providing the sender is in the recipient's contact list (buddy list). Multi-protocol IM clients support XMPP along with proprietary IM services such as AOL/AIM, ICQ, MSN and Yahoo; however, an IM account must be opened with each service.

There are numerous open source implementations of Jabber clients and servers, including the original Jabber at www.jabber.org.

Instant Email
Jabber is like email with users communicating from domain to domain. For example, a Jabber server at computerlanguage.com can connect with the Jabber server at gmail.com (Google's IM domain). Jabber also supports access to non-XMPP systems by connecting a "transport" to the Jabber server that provides a gateway to that IM protocol. However, if a public Jabber server with thousands of users employs a gateway, chances are the proprietary IM service will eventually block its IP address, since a huge amount of traffic coming from one IP address is generally not tolerated.

Enterprise Jabber
There are several commercial implementations of Jabber, the most notable of which are from Jabber, Inc., Denver, CO (www.jabber.com). Founded in 2000, soon after Jabber was developed, Jabber, Inc. offers client, server and appliance versions of Jabber. In 2008, the company was acquired by Cisco. See instant messaging and XMPP.
References in periodicals archive ?
The court heard the family spotted Mr Rashid on CCTV and that the Jabber brothers, along with others, went down and gave the victim a beating.
Also known as XMPP (Extensible Messaging and Presence Protocol), Jabber is the only protocol for real-time messaging and presence approved by the Internet Engineering Task Force, a group dedicated to the evolution and operation of the Internet architecture.
The new reporting functionality of the Message Archiving Plug-in enables keyword-, user-, and text conferencing room-specific searches of the message archive," said Joe Hildebrand, chief technology officer for Jabber, Inc.
In order to properly support the Jabber protocol, Prospero developed and integrated an innovative server system with its robust collaboration platform that maintains key context elements essential to the dynamics of online communities, such as user privileges, access restrictions, moderation tools, favorite lists and profiles.