openstack/openstack-manuals
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updated module001-ch004-openstack-architecture.xml

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renamed all Quantum references to Neutron
renamed all quantum-server references to neutron-server
changed a service reference to project reference
fixed capitalization/spacing of Open vSwitch
changed occurrences of it's to its

Change-Id: Id14ba5a152f6f64e946c7c6e85ae6567a5a65ad0
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Chuck Burkett 2014-02-28 13:53:34 -05:00
parent 0394277a2c
commit 55162d0f9b
1 changed files with 16 additions and 16 deletions
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doc/training-guides/module001-ch004-openstack-architecture.xml
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@ -38,7 +38,7 @@
("Glance")</para> ("Glance")</para>
</listitem> </listitem>
<listitem> <listitem>
<para>Network ("Quantum") provides virtual networking for <para>Network ("Neutron") provides virtual networking for
Compute.</para> Compute.</para>
</listitem> </listitem>
<listitem> <listitem>
@ -164,9 +164,9 @@
from the queue and then performs tasks to manipulate the from the queue and then performs tasks to manipulate the
network (such as setting up bridging interfaces or network (such as setting up bridging interfaces or
changing iptables rules). This functionality is being changing iptables rules). This functionality is being
migrated to Quantum, a separate OpenStack service. In the migrated to Neutron, a separate OpenStack project. In the
Folsom release, much of the functionality will be Folsom release, much of the functionality will be
duplicated between nova-network and Quantum.</para> duplicated between nova-network and Neutron.</para>
</listitem> </listitem>
<listitem> <listitem>
<para>The nova-schedule process is conceptually the simplest <para>The nova-schedule process is conceptually the simplest
@ -300,29 +300,29 @@
<para>Most people will use this as a point of customization for <para>Most people will use this as a point of customization for
their current authentication services.</para> their current authentication services.</para>
<para><guilabel>Network</guilabel></para> <para><guilabel>Network</guilabel></para>
<para>Quantum provides "network connectivity as a service" <para>Neutron provides "network connectivity as a service"
between interface devices managed by other OpenStack services between interface devices managed by other OpenStack services
(most likely Nova). The service works by allowing users to (most likely Nova). The service works by allowing users to
create their own networks and then attach interfaces to them. create their own networks and then attach interfaces to them.
Like many of the OpenStack services, Quantum is highly Like many of the OpenStack services, Neutron is highly
configurable due to it's plug-in architecture. These plug-ins configurable due to its plug-in architecture. These plug-ins
accommodate different networking equipment and software. As accommodate different networking equipment and software. As
such, the architecture and deployment can vary dramatically. such, the architecture and deployment can vary dramatically.
In the above architecture, a simple Linux networking plug-in In the above architecture, a simple Linux networking plug-in
is shown.</para> is shown.</para>
<itemizedlist> <itemizedlist>
<listitem> <listitem>
<para>quantum-server accepts API requests and then routes <para>neutron-server accepts API requests and then routes
them to the appropriate quantum plugin for action.</para> them to the appropriate Neutron plugin for action.</para>
</listitem> </listitem>
<listitem> <listitem>
<para>Quantum plugins and agents perform the actual actions <para>Neutron plugins and agents perform the actual actions
such as plugging and unplugging ports, creating networks such as plugging and unplugging ports, creating networks
or subnets and IP addressing. These plugins and agents or subnets and IP addressing. These plugins and agents
differ depending on the vendor and technologies used in differ depending on the vendor and technologies used in
the particular cloud. Quantum ships with plugins and the particular cloud. Neutron ships with plugins and
agents for: Cisco virtual and physical switches, NEC agents for: Cisco virtual and physical switches, NEC
OpenFlow products, Openvswitch, Linux bridging, the Ryu OpenFlow products, Open vSwitch, Linux bridging, the Ryu
Network Operating System, and VMware NSX.</para> Network Operating System, and VMware NSX.</para>
</listitem> </listitem>
<listitem> <listitem>
@ -330,18 +330,18 @@
IP addressing) and the specific plug-in agent.</para> IP addressing) and the specific plug-in agent.</para>
</listitem> </listitem>
<listitem> <listitem>
<para>Most Quantum installations will also make use of a <para>Most Neutron installations will also make use of a
messaging queue to route information between the messaging queue to route information between the
quantum-server and various agents as well as a database to neutron-server and various agents as well as a database to
store networking state for particular plugins.</para> store networking state for particular plugins.</para>
</listitem> </listitem>
</itemizedlist> </itemizedlist>
<para>Quantum will interact mainly with Nova, where it will <para>Neutron will interact mainly with Nova, where it will
provide networks and connectivity for its instances.</para> provide networks and connectivity for its instances.</para>
<para><guilabel>Block Storage</guilabel></para> <para><guilabel>Block Storage</guilabel></para>
<para>Cinder separates out the persistent block storage <para>Cinder separates out the persistent block storage
functionality that was previously part of OpenStack Compute functionality that was previously part of OpenStack Compute
(in the form of nova-volume) into it's own service. The (in the form of nova-volume) into its own service. The
OpenStack Block Storage API allows for manipulation of OpenStack Block Storage API allows for manipulation of
volumes, volume types (similar to compute flavors) and volume volumes, volume types (similar to compute flavors) and volume
snapshots.</para> snapshots.</para>
@ -372,6 +372,6 @@
well as a database to store volume state.</para> well as a database to store volume state.</para>
</listitem> </listitem>
</itemizedlist> </itemizedlist>
<para>Like Quantum, Cinder will mainly interact with Nova, <para>Like Neutron, Cinder will mainly interact with Nova,
providing volumes for its instances.</para> providing volumes for its instances.</para>
</chapter> </chapter>