VDE is an ethernet compliant virtual network that can be spawned over a set of physical computer over the Internet.
VDE implements a virtual ethernet in all its aspects, virtual switches, virtual cables. A VDE can be used to create a VPN. VDE interconnects real computers running Linux, Free-BSD, MacOSX kernels (through a tap interface), virtual machines (qemu, kvm, user-mode linux, pearpc, gxemul...) as well as the other Virtual Square components like ViewOS implementations (UMview/Kmview) and Lwipv6.
VDE supports heterogeneous virtual machines running on different hosting computers.
These details are provided for information only. No information here is legal advice and should not be used as such.