protected function handleBackendOptions(Descriptor $descriptor, array $options) {
		if (isset($options['host'])) {
			$host = $options['host'];
			
			if (isset($options['port'])) {
				$host .= ':' . $options['port'];
			}
			
			$descriptor->host = $host;
		}
		
		if (isset($options['persistent'])) {
			$descriptor->persist = $options['persistent'] ? 'On' : 'Off';
		}
	}