In 1979 the first MUD (Multi-User Domain) was created by Dr. Richard Bartle and Roy Trubshaw from the University of Essex, and was the foundation for multi-player games (among other things). This event marked the gradual decline of productivity over the Internet. In 1981 a cooperative network between CUNY (City University of New York) and Yale was established. This network was called BITNET (Because It's There NETwork) and was designed to provide electronic mail transfer and list serve services between the two institutions. RFC-801 NCP/TCP Transition Plan was published that same year. It was because of the growing interconnectivity of new networks that the phrase Internet was coined in 1982, and the Department of Defense also declared TCP/IP to be its defacto standard. The first name server was developed in 1983 at the University of Wisconsin, allowing users to access systems without having to know the exact path to the server. 1983 also saw the transition from NCP to TCP/IP, and it was at this same time that ARPANET was split into ARPANET and MILNET. 68 of the current 113 existing nodes were assigned to MILNET. It was also in 1983 that a San Francisco programmer, Tom Jennings wrote the first FidoNet Bulletin Board System, which was capable of allowing both email and message passing over the Internet between networked BBSs by 1988. In 1984, the number of hosts on the Internet broke 1000, and DNS (Domain Name Services) was introduced. Moderated newsgroups also made their first appearance this year, although it would be almost a year and a half before NNTP (Network New Transfer Protocol) would be introduced. In 1985, the WELL (Whole Earth 'Lectronic Link) was launched out of Sausalito California, allowing San Francisco Bay Area users free access to the Internet. The Internet had grown so fast, and to such large proportions by this time that some control was needed to oversee its expansion, so in 1986, the Internet Engineering Task Force (IETF) and Internet Research Task Force (IRTF) came into existence under the IAB.