Issue: copy incremetnal backup files over internet using ADSL slow link.
Expensive solutions: StorageCraft ShadowProtect
My solution:
Channel speed 0.8 Mbps (0.1MBps)
Average daily incremental backup: 1Gb
Estimated copy time: 3h
Protocol: rsync
Port: 873
Notes:
http://www.aboutmyip.com/AboutMyXApp/DeltaCopy.jsp
http://www.thegeekstuff.com/2011/01/rsync-exclude-files-and-folders/?utm_source=feedburner