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<refsect1 id='service_discovery'>
    <title>SERVICE DISCOVERY</title>
    <para>
        The service discovery feature allows back ends to automatically
        find the appropriate servers to connect to using a special DNS
        query.
    </para>
    <refsect2 id='configuration'>
        <title>Configuration</title>
        <para>
            If no servers are specified, the back end automatically
            uses service discovery to try to find a server. Optionally,
            the user may choose to use both fixed server addresses
            and service discovery by inserting a special keyword,
            <quote>_srv_</quote>, in the list of servers. The order
            of preference is maintained. This feature is useful if, for
            example, the user prefers to use service discovery whenever
            possible, and fall back to a specific server when no servers
            can be discovered using DNS.
        </para>
    </refsect2>
    <refsect2 id='domain_name'>
        <title>The domain name</title>
        <para>
            The name of the SSSD domain is used as the domain part of the
            service discovery DNS query.
        </para>
    </refsect2>
    <refsect2 id='reference'>
        <title>See Also</title>
        <para>
            For more information on the service discovery mechanism,
            refer to RFC 2782.
        </para>
    </refsect2>
</refsect1>