The second generation of the Internet, developed by a consortium of more than 200 universities, private companies and the U.S. government. It was not developed for commercial use or to replace the Internet, but is the reincarnation of it, intended primarily for research. Whereas the Internet was first designed to exchange text, Internet2 is designed for full-motion video and 3D animations.
Originally named UCAID (University Corporation for Advanced Internet Development), Internet2 spawned the high-speed Abilene backbone. See Abilene