ARPANET Project. Robert Kahn, a former BBN employee who built the first IMPs (routers), realized that all the different computer networks could be seamlessly interconnected. There were countless different networks, such as the LAN PARC in Palo Alto, ALOHAnet, PRNET, and SATNET, all packet-switched but not compatible with each other. They began calling this idea “internetworking,” later shortened to “the internet.” Within a few months, the concept of gateways and TCP-IP would emerge.
