April 2009
Beginner to intermediate
308 pages
9h 8m
English
Content preview from XMPP: The Definitive GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 1. Introduction
What Can You Do with XMPP?
The Extensible Messaging and Presence Protocol (XMPP) is an open technology for real-time communication, using the Extensible Markup Language (XML) as the base format for exchanging information. In essence, XMPP provides a way to send small pieces of XML from one entity to another in close to real time.
XMPP is used in a wide range of applications, and it may be right for your application, too. To envision the possibilities, it’s helpful to break the XMPP universe down at a high level into services and applications. The services are defined in two primary specifications published by the Internet Engineering Task Force (IETF) at http://ietf.org/ (the “RFC” series), and in dozens of extension specifications published by the XMPP Standards Foundation at http://xmpp.org/ (the “XEP” series); the applications are software programs and deployment scenarios that are of common interest to individuals and organizations, although the core services enable you to build many other application types as well.
RFC Revisions
As of this writing, [RFC 3920] and [RFC 3921] are under active revision to incorporate errata, clarify ambiguities, improve their readability, define additional error codes, etc. These documents, called rfc3920bis and rfc3921bis in the terminology of the IETF, provide the most accurate definition of XMPP and might have been published as replacement RFCs (with new numbers) once you read this book. For the latest versions of the revised ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.