The 300 x 150 dpi PDF linked to it is printable on your local printer. More information on the Open Book is available. Copyright 1995, the National Academy Press. Keywords, machine extracted. Top 50 words repeated twice, next 100 once, plus phrases.
Communications is different from computing.
Value often comes from whom one can talk to, rather than how rapidly. Issues of scaling are very important. The scale of the needed networking raises a host of new research issues as to how millions of users can attach to the network. Communications has become digital, and the switching of fast digital signals requires high-performance computing technology. The United States is home to a vital industry that supplies related equipment and software, including businesses begun as spinoffs from academic research activity.