A proposed new IP addressing scheme for TCP/IP networks to replace the current IPv4 scheme. Proposed features of IPv6 include the following:
IPv6 is also sometimes referred to as IPng, which stands for “IP Next Generation.” A network called the 6Bone was set up in 1995 as a testbed for IPv6 and to investigate how the Internet can be migrated from IPv4 to IPv6.
IPv6 is currently a draft Internet Engineering Task Force (IETF) standard, Request for Comments (RFC) 2460. Many vendors, including Microsoft, are currently exploring ways to integrate IPv6 into their network products.