Personal computer networks

David Caulkins

Telecommunications Policy, 1978, vol. 2, issue 3, 244-247

Abstract: In this discussion of the growth of personal computer use in the USA, and the increasing interest in linking these computers into networks, the author describes the expansion of personal computing in the USA since 1975, and cites a number of estimates, surveys, and market research studies concerning projected growth. The activities of the Personal Computer Network (PCNET) are discussed, from its founding in May 1977 to initial experimental operation in early 1978. A number of options for network link media are dealt with, including the dial telephone system and various radio link designs. These various network architectures lead to several policy issues: How will the standards for telephone system use interact with increasing use of personal computer-based telecommunications? How will the cost of telephone service (particularly off-peak hour rates) influence the growth and use of personal computer networks? Could, and should, the telephone carriers and/or the value-added carriers offer a packet-switched service to residential subscribers? What current restrictions are faced by personal computer users in networking via CB and amateur radio? Bandwidth for digital block radio can materially improve the cost-effectiveness of personal computer network activity -- what frequencies would be suitable, and what usage restrictions would be appropriate? What are the societal consequences of personal computer networks?

Date: 1978
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