We could define Simple Socket File Transfer as the quickest, simplest and most direct way to send a file from one PC to another. Forget messaging programs, complicated P2P networks or strange systems. Simple Socket File Transfer is the shortest route between two PCs.
The main advantage of this system is that there are no intermediaries, so the transfer speed depends entirely on the connection of the two. To make the transfer, all you need to do is put the receiving PC in listening mode, indicating the port through which it will receive the transfer, and in the broadcasting PC indicate the IP address.