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>Programming Jabber</TH
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>Chapter 1. Preface</TD
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><H1
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><A
NAME="JABTDG-PREFACE-SECT-4"
>What's Inside</A
></H1
><P
>This book is not particularly about IM per se. Nor is it about the bridges
to other IM systems. It's about the essence, the ideas, the potential behind
that concept and reality called <I
CLASS="EMPHASIS"
>Jabber.</I
></P
><P
>You will learn about the Jabber protocol, and how to use Jabber's technology
not only to implement IM based solutions but also solutions that don't involve
inane chat. You'll learn how to install and configure your own Jabber server. You will discover more about the features of Jabber that give it its
propensity for being an ideal messaging glue for many communication solutions;
all of Jabber's technology features—the building blocks and the protocol
itself—are explained; and you'll get to know how Jabber can be implemented
in a variety of situations—some involving IM, others not—through a series
of application and problem scenarios with fully working code examples,
or <I
CLASS="EMPHASIS"
>recipes</I
>, in Perl, Python and Java.</P
><P
>Here's a brief overview of what's in the book.</P
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
>Part I, <I
CLASS="EMPHASIS"
>Getting Started with Jabber</I
></DT
><DD
><P
>The first part of this book provides you with
an introduction to Jabber; you'll learn about its features, why it's more
than an IM system, and how to install and configure a Jabber server of
your own.</P
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
>Chapter 1, <I
CLASS="EMPHASIS"
>A Taste of Things to Come</I
></DT
><DD
><P
>We begin with an
imaginary conversation with human and application participants, which shows
how Jabber provides the supporting messaging "plasma". A short script shows
how simple it is to make use of Jabber's power.</P
></DD
><DT
>Chapter 2, <I
CLASS="EMPHASIS"
>Inside Jabber</I
></DT
><DD
><P
>We take a look at some of
the features—the nature—of Jabber, to understand why Jabber is more than
just an IM system. The features introduced in this Chapter will be revisited
as core building material for our recipes in Part II.</P
></DD
><DT
>Chapter 3, <I
CLASS="EMPHASIS"
>Intalling the Jabber Server</I
></DT
><DD
><P
>Here you'll
learn how to retrieve and install the Jabber server, and perform minimal
configuration, enough to be able to fire it up and use it as a basis for
the recipes in Part II. Some troubleshooting and monitoring tips are
also included.</P
></DD
><DT
>Chapter 4, <I
CLASS="EMPHASIS"
>Server Architecture and Configuration</I
></DT
><DD
><P
>Once we have our Jabber server installed and running, we take a closer
look at how the server has been designed. We focus on the server makeup,
and the different ways it can be deployed. A detailed tour of the
standard configuration is also in this Chapter.</P
></DD
></DL
></DIV
></DD
><DT
>Part II, <I
CLASS="EMPHASIS"
>Putting Jabber's Concepts to Work</I
></DT
><DD
><P
>The second part of this book provides a
series of recipes—practical solutions to everyday problems—deployed in
Jabber. The recipes use various Jabber features as a way of illustration.</P
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
>Chapter 5, <I
CLASS="EMPHASIS"
>Jabber Technology Basics</I
></DT
><DD
><P
>We take a
detailed look at what Jabber looks like under the hood. We examine JIDs,
resource and priority, XML streams, and namespaces, as well as the basic
Jabber building blocks (<TT
CLASS="LITERAL"
><message/></TT
>,
<TT
CLASS="LITERAL"
><iq/></TT
> and
<TT
CLASS="LITERAL"
><presence/></TT
>).</P
></DD
><DT
>Chapter 6, <I
CLASS="EMPHASIS"
>Identification, Authorization and Registration</I
></DT
><DD
><P
>This Chapter
looks at the steps needed to create and authenticate with a user, including
the different types of authentication. We will also build a utility to create
users.</P
></DD
><DT
>Chapter 7, <I
CLASS="EMPHASIS"
>Simple Messaging and Presence Applications</I
></DT
><DD
><P
>This Chapter
looks at some simple examples of Jabber deployment using basic features of
message and presence, including presence subscription.</P
></DD
><DT
>Chapter 8</DT
><DD
><P
>chapter 8</P
></DD
><DT
>Chapter 9</DT
><DD
><P
>chapter 9</P
></DD
></DL
></DIV
></DD
></DL
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