It is the sixth version of the internet protocol, which will allow for trillions of addresses to be accessed. With stateless address compression, an IPv6 address is compressed by representing the zeroes in the address with a double colon (::). The most common form of IPv6 compression is known as “ stateless address compression” (RFC6052). The rules of IPv6 compression are governed by RFC5952. IPv6 compression is a technique used to shorten the length of an IPv6 address.