The source and destination cannot both be remote :-(

[Kyle Lanclos]

Christian Huldt wrote:
> That I have no idea about, but I believe it would double the bandwith  
> requirements or half the speed compared to
> 
> ssh root at client "rsync /var/tmp/in tomcat at fileserver:/opt/"

It would likely increase the latency, but it should not significantly
impact the required bandwidth, assuming that you have a full-duplex
connection. If you have a half-duplex connection, yes, the bandwidth
consumption would double.

--Kyle