def _convert_xml_to_service_stats(response):
    '''
    <?xml version="1.0" encoding="utf-8"?>
    <StorageServiceStats>
      <GeoReplication>      
          <Status>live|bootstrap|unavailable</Status>
          <LastSyncTime>sync-time|<empty></LastSyncTime>
      </GeoReplication>
    </StorageServiceStats>
    '''
    if response is None or response.body is None:
        return None

    service_stats_element = ETree.fromstring(response.body)

    geo_replication_element = service_stats_element.find('GeoReplication')

    geo_replication = GeoReplication()
    geo_replication.status = geo_replication_element.find('Status').text
    geo_replication.last_sync_time = parser.parse(geo_replication_element.find('LastSyncTime').text)

    service_stats = ServiceStats()
    service_stats.geo_replication = geo_replication
    return service_stats