Adds paragraph to ML2 overview

Adds a paragraph describing the circumstances that made ML2 a necessary
feature.

Change-Id: I9b698033ae9dc5acb603d02369914e8f3ca97294
Partial-Bug: #1230276
This commit is contained in:
Martin Lopes 2014-03-09 00:26:23 +10:00
parent 33a1777860
commit 939e4b0616
1 changed files with 6 additions and 0 deletions

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@ -599,6 +599,12 @@ physical_interface_mappings = physnet2:eth1</programlisting></para>
simultaneously. This section describes different
<emphasis>ML2</emphasis> plug-in and agent configurations with
different type drivers and mechanism drivers.</para>
<para>Previously, Networking deployments were only able to use the
plug-in that had been selected at implementation time. For example,
a deployment running the Open vSwitch plug-in was only able to use
Open vSwitch exclusively; it wasn't possible to simultaneously run
another plug-in such as Linux Bridge. This was found to be a
limitation in environments with heterogeneous requirements.</para>
<section xml:id="ml2_l2pop_scenarios">
<title>ML2 with L2 population mechanism driver</title>
<para>Current <emphasis>Open vSwitch</emphasis> and