http://d.hatena.ne.jp/dayflower/20071125/1196055449
http://www.thinkit.co.jp/free/article/0611/19/1/
http://gigazine.net/index.php?/news/comments/20060703_zabbix/
http://www.zabbix.jp/modules/newbb/viewtopic.php?topic_id=208&forum=2
http://pctestroom.blogspot.com/2009/02/zabbix-2.html