here's some summary slides of what you're missing: http://community.netapp.com/fukiw75442/attachments/fukiw75442/data-ontap-discussions/2334/1/WAFL.pdf http://c

here's some summary slides of what you're missing: http://community.netapp.com/fukiw75442/attachments/fukiw75442/data-ontap-discussions/2334/1/WAFL.pdf http://community.netapp.com/fukiw75442/attachments/fukiw7544... Or you can read the patent itself: https://www.google.com/patents/US5819292 https://www.google.com/patents/US5819292