* Support data encryption* Client authorization (possibly certificates)* Proxy module - for building larger networks while not being able   to setup a multicasting network. [netcat does fine, but it would be neat  to integrate such feature]* Single executable, configure & installation of some sort.   But that's for some late alfa/ early beta. * Testing on 64-bit platforms (ppc/alpha)... unfortunately, I don't have   access to any such machine ;((Done: (perhaps even working)* Checking data consistency, not only sizes+ checksum data checking