http://www.ietf.org/rfc/rfc3720.txt
http://www.thg.com.tw/article_000088700.html
http://www.itri.org.tw/chi/southern_branch/ccl_01c.jsp
http://taiwan.cnet.com/enterprise/topic/0,2000062938,20104223,00.htm
http://en.wikipedia.org/wiki/ISCSI