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<?xml version="1.0"?>
<!--
Licensed to the Apache Software Foundation (ASF) under one
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<chapter id="Java-Broker-Concepts">
<title>Concepts</title>
<section id="Java-Broker-Concepts-Broker">
<title>Broker</title>
<para>
The Qpid Broker has one or more <emphasis>Virtual Hosts</emphasis> (independent containers of <emphasis>Queues</emphasis>,
<emphasis>Exchanges</emphasis>, etc) sharing a connection, authentication, and access control model via the configured
<emphasis>Ports</emphasis>, <emphasis>Authentication Providers</emphasis>, <emphasis>Group providers</emphasis> and
<emphasis>Access Control Providers</emphasis>. <emphasis>Keystores</emphasis> and <emphasis>Truststores</emphasis> can
be defined on the broker level and linked to <emphasis>Ports</emphasis> configured with an SSL transport. The Broker
also provides management plugins to allow configuring and monitoring it.
</para>
<para>
The following diagram depicts the Broker model:
<figure>
<title>Broker Model</title>
<mediaobject>
<imageobject>
<imagedata fileref="images/Broker-Model.png" format="PNG" scalefit="1"/>
</imageobject>
<textobject>
<phrase>Broker Model</phrase>
</textobject>
</mediaobject>
</figure>
These concepts will be expanded upon in the forthcoming pages.
</para>
</section>
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="Java-Broker-Concepts-Virtual-Hosts.xml"/>
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="Java-Broker-Concepts-Exchanges.xml"/>
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="Java-Broker-Concepts-Queues.xml"/>
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="Java-Broker-Concepts-Ports.xml"/>
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="Java-Broker-Concepts-Authentication-Providers.xml"/>
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="Java-Broker-Concepts-Other-Services.xml"/>
</chapter>
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