If you are using a *Nix workstation rsync would be the easiest. You could configure a cron job using Perl that can verify if the server is accessible then rsync the data.
Mac OS X.4 Server/Client has the synchronization capabilities built into the systems. I've configured an entire school district to use this feature on laptops (over 100 of them). Very simple with Mac OS X.4 Server/Client.
Windows XP can be configured through Group Policy on the local machine to sync to server if the Active Directory server is available on the network. Not as easy as Mac OS X.4 Server/Client but still possible.
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If you are using a *Nix workstation rsync would be the easiest. You could configure a cron job using Perl that can verify if the server is accessible then rsync the data.
Mac OS X.4 Server/Client has the synchronization capabilities built into the systems. I've configured an entire school district to use this feature on laptops (over 100 of them). Very simple with Mac OS X.4 Server/Client.
Windows XP can be configured through Group Policy on the local machine to sync to server if the Active Directory server is available on the network. Not as easy as Mac OS X.4 Server/Client but still possible.