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177 lines
7.7 KiB
HTML
177 lines
7.7 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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This file is autogenerated from archnetwork.html.in
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<title>libvirt: Network management architecture</title>
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<meta name="description" content="libvirt, virtualization, virtualization API" />
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<body>
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<div id="header">
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<div id="headerLogo"></div>
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<form action="search.php" enctype="application/x-www-form-urlencoded" method="get"><div>
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<div id="body">
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<ul class="l0"><li>
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<div>
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<a title="Front page of the libvirt website" class="inactive" href="index.html">Home</a>
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<a title="Details of new features and bugs fixed in each release" class="inactive" href="news.html">News</a>
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</div>
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</li><li>
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<div>
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<a title="Get the latest source releases, binary builds and get access to the source repository" class="inactive" href="downloads.html">Downloads</a>
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</li><li>
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<ul class="l1"><li>
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<div>
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<a title="Information about deploying and using libvirt" class="inactive" href="deployment.html">Deployment</a>
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</li><li>
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<div>
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<a title="Overview of the logical subsystems in the libvirt API" class="active" href="intro.html">Architecture</a>
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<ul class="l2"><li>
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<div>
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<a title="Managing virtual machines" class="inactive" href="archdomain.html">Domains</a>
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</li><li>
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<span class="active">Network</span>
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</div>
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<div>
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<a title="Managing storage pools and volumes" class="inactive" href="archstorage.html">Storage</a>
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</div>
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</li><li>
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<div>
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<a title="Enumerating host node devices" class="inactive" href="archnode.html">Node Devices</a>
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</div>
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</li></ul>
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</div>
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</li><li>
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<div>
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<a title="Description of the XML formats used in libvirt" class="inactive" href="format.html">XML format</a>
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</div>
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</li><li>
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<div>
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<a title="Hypervisor specific driver information" class="inactive" href="drivers.html">Drivers</a>
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</li><li>
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<div>
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<a title="Reference manual for the C public API" class="inactive" href="html/index.html">API reference</a>
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</div>
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</li><li>
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<div>
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<a title="Bindings of the libvirt API for other languages" class="inactive" href="bindings.html">Language bindings</a>
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</div>
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</li></ul>
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</div>
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</li><li>
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<a title="User contributed content" class="inactive" href="http://wiki.libvirt.org">Wiki</a>
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</li><li>
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<a title="Frequently asked questions" class="inactive" href="FAQ.html">FAQ</a>
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<a title="How and where to report bugs and request features" class="inactive" href="bugs.html">Bug reports</a>
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<div>
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<a title="How to contact the developers via email and IRC" class="inactive" href="contact.html">Contact</a>
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</div>
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</li><li>
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<div>
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<a title="Miscellaneous links of interest related to libvirt" class="inactive" href="relatedlinks.html">Related Links</a>
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</li><li>
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<div>
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<a title="Overview of all content on the website" class="inactive" href="sitemap.html">Sitemap</a>
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</div>
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</li></ul>
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</div>
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<div id="content">
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<h1>Network management architecture</h1>
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<h2>Architecture illustration</h2>
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<p>
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The diagrams below illustrate some of the network configurations
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enabled by the libvirt networking APIs
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</p>
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<ul><li><strong>VLAN 1</strong>. This virtual network has connectivity
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to <code>LAN 2</code> with traffic forwarded and NATed.
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</li><li><strong>VLAN 2</strong>. This virtual network is completely
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isolated from any physical LAN.
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</li><li><strong>Guest A</strong>. The first network interface is bridged
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to the physical <code>LAN 1</code>. The second interface is connected
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to a virtual network <code>VLAN 1</code>.
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</li><li><strong>Guest B</strong>. The first network interface is connected
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to a virtual network <code>VLAN 1</code>, giving it limited NAT
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based connectivity to LAN2. It has a second network interface
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connected to <code>VLAN 2</code>. It acts a router allowing limited
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traffic between the two VLANs, thus giving <code>Guest C</code>
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connectivity to the physical <code>LAN 2</code>.
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</li><li><strong>Guest C</strong>. The only network interface is connected
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to a virtual network <code>VLAN 2</code>. It has no direct connectivity
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to a physical LAN, relying on <code>Guest B</code> to route traffic
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on its behalf.
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</li></ul>
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<h3>Logical diagram</h3>
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<p class="image">
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<img src="libvirt-net-logical.png" alt="Logical network architecture" /></p>
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<h3>Physical diagram</h3>
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<p class="image">
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<img src="libvirt-net-physical.png" alt="Physical network architecture" /></p>
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</div>
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</div>
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<div id="footer">
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<div id="projects">
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<dl id="p1"><dt>
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<a href="http://augeas.net/">Augeas</a>
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</dt><dd>
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<span>A configuration editing tool and API</span>
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</dd><dt>
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<a href="http://libvirt.org/">libvirt</a>
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</dt><dd>
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<span>The open source virtualization API</span>
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</dd></dl>
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<dl id="p2"><dt>
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<a href="http://cobbler.et.redhat.com/">Cobbler</a>
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</dt><dd>
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<span>OS provisioning and profile management</span>
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</dd><dt>
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<a href="http://ovirt.org/">oVirt</a>
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</dt><dd>
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<span>Virtualization management across the data center</span>
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</dd></dl>
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<dl id="p3"><dt>
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<a href="http://freeipa.org/">FreeIPA</a>
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</dt><dd>
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<span>Identity, policy and audit management</span>
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</dd><dt>
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<a href="http://virt-manager.org/">Virtual Machine Manager</a>
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</dt><dd>
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<span>Virtualization management from the desktop</span>
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</dd></dl>
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</div>
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</div>
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</body>
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</html>
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