Patent ID: 9158783
Filing Date: 2015-10-13
Classification: G06F,H04L

Abstract:
1. A system for file deduplication implemented in hardware and comprising a computer infrastructure comprising at least one computer device operable to: receive, by the at least one computer device, a request to save a first file as immutable; determine, by the at least one computer device, a plurality of second files that are redundant to the first file; determine, by the at least one computer device, each one of the plurality of second files is immutable; identify, by the at least one computer device, a file having a latest expiration date from a group comprising the first file and the plurality of second files; save, by the at least one computer device, the file having the latest expiration date as a master copy; and replace, by the at least one computer device, each file in the group, except for the file having the latest expiration date, with a respective data structure pointing to the master copy.