It forms part of the Virtual Square[1] project from the Italian Bologna University whose code is available on public servers using free software licenses, mostly GPLv2.
Researchers at the Department of Mathematics and Computer Science, Xavier University, Cincinnati OH, US are also working on the project.
Simulates a plug on the end of a physical Ethernet cable such as the 8P8C.
It forms the connection point between the host and the virtual VDE wire.
Obviously performing the same function as the wires within normal Ethernet cabling.