can cygwin rsync handle temporary network outages?

view story

http://www.unix.com – We're using Deltacopy's distribution of Cygwin Rsync (v3.0.4, I believe) to backup two large Virtualbox virtual hard drives from our work Windows 7 VM host, over the internet through Logmein Hamachi VPN, to an XP PC in my boss's basement. I have rsync running in a batch file which monitors the return error code rsync gives, and restarts the rsync command if the error code isn't 0. It works just fine. Mostly... Occasionally the connection goes down for a few seconds up to a few minutes (I've troubleshooted the loss of the connection to my boss's home ISP disconnecting; the work internet conne (HowTos)