this is very similar to Cisco Systems' proprietary Internetworking protocol, with the important difference that this is how homosexual human beings relate to one another.
Important note: this is in zero way meant to be derogatory or pejorative. Furthermore, it is stressed to all to not use this word incorrectly. This is meant to dispassionately relate an Internetworking communication method, with a human communication method.
The two gentleman used GRE (gay router encapsulation) to contact each other from across the crowded room.