of technological driving forces, notably fiber optics, digital switching, and customer controlled software, seen to be major influences in the evolving network, and relates their effects to network architecture, services, and vulnerabilities. In Chapter 6 the committee analyzes the impact of competition on the public switched network and relates this subject to NSEP issues. It includes a discussion of the providers of local and interexchange services, cellular mobile radio, customer-premises equipment, value-added networks, electronic databases, cable television, and some innovative services. Chapter 7 looks at a number of user needs that derive from what new technology may offer and would be affordable to a wide customer base. The committee discusses integrated voice, data, and image applications that will likely be available to residential, commercial, and institutional subscribers by the year 2000. It also points out how customer demand for more and better services can amplify network vulnerabilities that may result.

REFERENCES

Center for Strategic and International Studies. 1984. America’s Hidden Vulnerabilities: Crisis Management in a Society of Networks. R.H. Wilcox and P.J. Garrity, eds. Washington, D.C.: Georgetown University.


Executive Office of the President. 1984. Assignment of National Security and Emergency Preparedness Telecommunications Functions. Executive Order 12472. Washington, D.C.: U.S. Government Printing Office. April 3.


National Communications System. 1988. May 8, 1988 Hinsdale, Illinois Telecommunications Outage. Washington, D.C.: National Communications System.

National Research Council. 1987. Nationwide Emergency Telecommunications Service for National Security Telecommunications. Washington, D.C.: National Academy Press.


Telecommunications Reports. 1988. Ameritech’s Weiss says telecommunications policy should be a national priority. November 21.



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