A Better FTP?

cppgodjavademigod asks: "I used to work for a company that sold a file transfer product for datacenters. It supported checkpoint/restart, encyrpted password transmition, asynchonous job procesing, etc. Is there an Open Source project that aims to provide a better FTP? I'm looking for something that makes use of multiple paths (for machines connected via more than one network), job restart, job control, secure transmission (over internet), maybe even tunneling over HTTP and redundant servers (via some kind of private P2P protocol)."