-* Compression
-* Routing by MAC (allows for more than only IPv4)
-* Store private key in a separate file
-* Sanity checks on configuration directory
-* Use efficient tree algorithms instead of linked lists
-* Reenable queues for delayed packets
-* Broadcast/multicast
-* Windowing, chaffing, scattering, background noise
-* ABC protocol (superscalabilty)
-* Proxy ARP
-* Eazy setup scripts (graphical?)
-* FreeBSD and Solaris ports
-* Threading
-* Everything else not mentioned.