my $configuration = $xml->XMLin(
             $conf,
             GroupTags => { services => 'service',
                            plugins => 'plugin',
                            probes => 'probe'
                          },
             ForceArray => [ qw(service plugin probe) ],
             KeyAttr => { 'service' => 'name',
                          'plugin' => 'name',
                          'probe' => 'name'
                        },
             KeepRoot => 0
);