boinc/doc/master_url.html

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<h2>The master URL</h2>
<p>
Each project is identified by a <b>master URL</b>.
This URL is used to publicize the project.
The <b>master page</b> at this URL has two functions.
<ul>
<li>
It is the home page of the project;
when viewed in a browser it describes the project
and contains links for registering
and for downloading the core client.
<li>
It contains XML tags of the form
<pre>
&lt;scheduler>http:host.domain.edu/cgi/scheduler&lt;scheduler>
&lt;scheduler>http:host2.domain.edu/cgi/scheduler&lt;scheduler>
</pre>
that give the URLs of the project's scheduling servers.
These tags can be embedded within HTML comments.
The BOINC core client reads and parses the master page
to find scheduler servers.
If it is unable to connect to any scheduler server for a project,
it rereads the master page.
</ul>
This mechanism lets a project change the locations of its scheduling servers,
or add new servers.