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<TITLE>Apache Web Server Performance Tuning: Keeps Alive</TITLE>
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<H2><A NAME="s2">2. Keeps Alive</A></H2>
<P>To reduce the bandwidth used by Web traffic, HTTP was extended to allow
more than one request within a single connection. This is called a
<EM>persistent connection</EM> or you can say that the connection is
<EM>kept alive</EM>.
<P>
<H2><A NAME="ss2.1">2.1 Keep Alive</A>
</H2>
<P>If enabled, browsers can establish persistent connections. If disabled,
the Web server will accept only one access per connection.
<P>
<H2><A NAME="ss2.2">2.2 Keep Alive Timeout</A>
</H2>
<P>This specifies the number of seconds to wait for the next request
in a persistent connection. If it is exceeded, the connection is
closed.
<P>
<H2><A NAME="ss2.3">2.3 Max Keep Alive Requests</A>
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<P>The maximum number of requests allowed during a persistent connection.
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