Translate Backbone from German to English

– The smaller networks (compared with the entire Internet) that perform the bulk of the packet switching of Internet communication. Today these smaller networks still consist of the networks that were originally developed to make up the Internet-the computer networks of the educational and research institutions of the United States-especially NSFnet, the computer network of the National Science Foundation in Oak Ridge, Tennessee. ¹

– A network of communication transmission that carries major traffic between smaller networks. The backbones of the Internet, including communications carriers such as Sprint and MCI, can span thousands of miles using microwave relays and dedicated lines. ¹