Rsyncd vs folder share

Hello,


I'm in a Window$ domain and I use rsync on a Linux box to backup data
from Window$ files servers.


- First case:
on Window$: rsyncd (with cygwin dll) - node "backup" with path
"d:/data/";
on Linux: "rsync -a ip::backup ./backup/".

- Second case:
on Window$: "d:/data" folder shared (mounted in /mnt/fileserver on
Linux);
on Linux: "rsync -a /mnt/fileserver/ ./backup/".


What's the best way: use a shared folder or access rsyncd?