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>Chapter 5. Jabber Technology Basics</A
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>Table of Contents</B
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>Resources and Priority</A
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>XML Streams</A
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>The Jabber Building Blocks</A
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><P
>One of Jabber's strengths is its simplicity. Neither the technology
employed to build Jabber networks nor the protocol used to facilitate
conversations within those networks is complicated. </P
><P
>The aim of this Chapter is to give you a good grounding in the technology
and the protocol. In <A
HREF="c7.htm"
>Chapter 1</A
> we likened Jabber to
chess: a small set of rules but boundless possibilities. And indeed it is
the case. In this Chapter we cover identification within Jabber—how
entities are addressed. Related to identity is the concept of
<I
CLASS="EMPHASIS"
>resources</I
>; we look at how that relates to addressing,
as well as it's relationship to <I
CLASS="EMPHASIS"
>presence</I
> and
<I
CLASS="EMPHASIS"
>priority</I
>.</P
><P
>The Jabber protocol is constructed in XML, which is streamed between
endpoints. We look at the details of these XML streams, and see how
they're constructed. </P
><P
>And then there's the protocol itself. Comprising of surprisingly few
fundamental elements, the Jabber protocol is small but perfectly formed.
We'll review each element in detail. </P
><P
>With this Chapter under your belt, there's nothing else that's fundamental
to Jabber that you must learn. Everything else is strategy, planning, and
end-games.</P
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