XMPP is a robust protocol used for a wide range of applications, including instant messaging, multi-user chat, voice and video conferencing, collaborative spaces, real-time gaming, data synchronization, and search. This book teaches you how to harness the power of XMPP in your own apps and presents you with all the tools you need to build the next generation of apps using XMPP or add new features to your current apps. Featuring the JavaScript language throughout and making use of the jQuery library, the book contains several XMPP apps of increasing complexity that serve as ideal learning tools.

• Learn about XMPP's instant messaging features, such as rosters, presence and subscriptions, and private chats

• Covers XMPP stanzas, stanza errors, and client protocol syntax and semantics

• Discusses service discovery, data forms, and publish-subscribe

• Addresses XMPP programming-related topics such as application design, event handling, and combining existing protocols

• Details the best ways to deploy XMPP-based applications

• Explains how to use Strophe's plugin system and how to create your own plugins

Wrox Professional guides are planned and written by working programmers to meet the real-world needs of programmers, developers, and IT professionals. Focused and relevant, they address the issues technology professionals face every day. They provide examples, practical solutions, and expert education in new technologies, all designed to help programmers do a better job.

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