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<div id="preamble"><h1>Apache Module mod_dialup</h1>
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<p><span>Available Languages: </span><a href="../en/mod/mod_dialup.html" title="English"> en </a> |
<a href="../fr/mod/mod_dialup.html" hreflang="fr" rel="alternate" title="Français"> fr </a></p>
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<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Send static content at a bandwidth rate limit, defined by the various old modem standards</td></tr>
<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
<tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>dialup_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_dialup.c</td></tr></table>
<h3>Summary</h3>
<p>It is a module that sends static content at a bandwidth rate limit, defined
by the various old modem standards. So, you can browse your site with a 56k
V.92 modem, by adding something like this:</p>
<pre class="prettyprint lang-config"><Location "/mysite">
ModemStandard "V.92"
</Location></pre>
<p>Previously to do bandwidth rate limiting modules would have to block an entire
thread, for each client, and insert sleeps to slow the bandwidth down.
Using the new suspend feature, a handler can get callback N milliseconds in
the future, and it will be invoked by the Event MPM on a different thread,
once the timer hits. From there the handler can continue to send data to the client.</p>
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<li><img alt="" src="../images/down.gif" /> <a href="#modemstandard">ModemStandard</a></li>
</ul>
<h3>Bugfix checklist</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">httpd changelog</a></li><li><a href="https://bz.apache.org/bugzilla/buglist.cgi?bug_status=__open__&list_id=144532&product=Apache%20httpd-2&query_format=specific&order=changeddate%20DESC%2Cpriority%2Cbug_severity&component=mod_dialup">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&component=mod_dialup">Report a bug</a></li></ul><h3>See also</h3>
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<li><a href="#comments_section">Comments</a></li></ul></div>
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<div class="directive-section"><h2><a name="ModemStandard" id="ModemStandard">ModemStandard</a> <a name="modemstandard" id="modemstandard">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Modem standard to simulate</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>ModemStandard V.21|V.26bis|V.32|V.34|V.92</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_dialup</td></tr>
</table>
<p>Specify what modem standard you wish to simulate.</p>
<pre class="prettyprint lang-config"><Location "/mysite">
ModemStandard "V.26bis"
</Location></pre>
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