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White space fix only. Translators can ignore.

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Sponsored by: iXsystems
This commit is contained in:
Dru Lavigne 2014-02-14 17:29:44 +00:00
parent 548e3ed7fe
commit 019f21a9de
Notes: svn2git 2020-12-08 03:00:23 +00:00 
svn path=/head/; revision=43925
1 changed files with 34 additions and 37 deletions
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59
en_US.ISO8859-1/books/handbook/firewalls/chapter.xml
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@ -351,23 +351,23 @@ device pfsync</programlisting>
<para>On &os;, <application>ALTQ</application> can be used with
<application>PF</application> to provide Quality of Service
(<acronym>QOS</acronym>). Once <application>ALTQ</application> is
enabled, queues can be defined in the ruleset which
determine the processing priority of outbound packets.
</para>
(<acronym>QOS</acronym>). Once
<application>ALTQ</application> is enabled, queues can be
defined in the ruleset which determine the processing priority
of outbound packets.</para>
<para>Before enabling <application>ALTQ</application>, refer to
&man.altq.4;
to determine if the drivers for the network cards installed on the system support
it.</para>
&man.altq.4; to determine if the drivers for the network cards
installed on the system support it.</para>
<para><application>ALTQ</application> is not available as a
loadable kernel module. If the system's interfaces support <application>ALTQ</application>,
create a custom kernel using the instructions in <xref linkend="kernelconfig"/>.
The following kernel options are available. The first is
needed to enable
<application>ALTQ</application>. At least one of the other options
is necessary to specify the queueing scheduler algorithm:</para>
loadable kernel module. If the system's interfaces support
<application>ALTQ</application>, create a custom kernel using
the instructions in <xref linkend="kernelconfig"/>. The
following kernel options are available. The first is needed
to enable <application>ALTQ</application>. At least one of
the other options is necessary to specify the queueing
scheduler algorithm:</para>
<programlisting>options ALTQ
options ALTQ_CBQ # Class Based Queuing (CBQ)
@ -382,9 +382,8 @@ options ALTQ_PRIQ # Priority Queuing (PRIQ)</programlisting>
<varlistentry>
<term>CBQ</term>
<listitem>
<para>Class Based Queuing
(<acronym>CBQ</acronym>)
is used to divide a connection's bandwidth into different
<para>Class Based Queuing (<acronym>CBQ</acronym>) is
used to divide a connection's bandwidth into different
classes or queues to prioritize traffic based on filter
rules.</para>
</listitem>
@ -393,21 +392,21 @@ options ALTQ_PRIQ # Priority Queuing (PRIQ)</programlisting>
<varlistentry>
<term>RED</term>
<listitem>
<para>Random Early Detection
(<acronym>RED</acronym>) is
used to avoid network congestion by measuring the length of
the queue and comparing it to the minimum and maximum
thresholds for the queue. When the queue is over the maximum,
all new packets are randomly dropped.</para>
<para>Random Early Detection (<acronym>RED</acronym>) is
used to avoid network congestion by measuring the length
of the queue and comparing it to the minimum and maximum
thresholds for the queue. When the queue is over the
maximum, all new packets are randomly dropped.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>RIO</term>
<listitem>
<para>In Random Early Detection In and Out (<acronym>RIO</acronym>) mode,
<acronym>RED</acronym> maintains multiple average queue
lengths and multiple threshold values, one for each
<para>In Random Early Detection In and Out
(<acronym>RIO</acronym>) mode, <acronym>RED</acronym>
maintains multiple average queue lengths and multiple
threshold values, one for each
<acronym>QOS</acronym> level.</para>
</listitem>
</varlistentry>
@ -415,9 +414,8 @@ options ALTQ_PRIQ # Priority Queuing (PRIQ)</programlisting>
<varlistentry>
<term>HFSC</term>
<listitem>
<para>Hierarchical Fair Service Curve Packet
Scheduler (<acronym>HFSC</acronym>) is described in
<uri
<para>Hierarchical Fair Service Curve Packet Scheduler
(<acronym>HFSC</acronym>) is described in <uri
xlink:href="http://www-2.cs.cmu.edu/~hzhang/HFSC/main.html">http://www-2.cs.cmu.edu/~hzhang/HFSC/main.html</uri>.</para>
</listitem>
</varlistentry>
@ -425,9 +423,8 @@ options ALTQ_PRIQ # Priority Queuing (PRIQ)</programlisting>
<varlistentry>
<term>PRIQ</term>
<listitem>
<para>Priority Queuing
(<acronym>PRIQ</acronym>)
always passes traffic that is in a higher queue first.</para>
<para>Priority Queuing (<acronym>PRIQ</acronym>) always
passes traffic that is in a higher queue first.</para>
</listitem>
</varlistentry>
</variablelist>