“…Ein interessantes Beispiel bietet in unserer Nachbarschaft die Schweiz, die auf deutsche Verhält-nisse hochgerechnet mit einem Milliardenprogramm die Informatisierung ihres Bildungswesens speziell mit Arbeitsplatzrechnern und leistungsfähigen Datenkommunikationsnetzen vorantreibt [3]. Hunderte oder tausende von Arbeitsplatzrechnern werden die Hochschulen tiefgreifend verändern und zwar nicht nur im curri- [4], Carnegie-Mellon [5] und Brown University [6,7]. In der Bundesrepublik läuft seit Ende 83 das Projekt HECTOR als Gemeinschaftsvorhaben der IBM Deutschland und der Universität Karlsruhe [8,9].…”
“…Ein interessantes Beispiel bietet in unserer Nachbarschaft die Schweiz, die auf deutsche Verhält-nisse hochgerechnet mit einem Milliardenprogramm die Informatisierung ihres Bildungswesens speziell mit Arbeitsplatzrechnern und leistungsfähigen Datenkommunikationsnetzen vorantreibt [3]. Hunderte oder tausende von Arbeitsplatzrechnern werden die Hochschulen tiefgreifend verändern und zwar nicht nur im curri- [4], Carnegie-Mellon [5] und Brown University [6,7]. In der Bundesrepublik läuft seit Ende 83 das Projekt HECTOR als Gemeinschaftsvorhaben der IBM Deutschland und der Universität Karlsruhe [8,9].…”
“…‘Part of this difficulty has resulted from the largely technology‐driven frame of reference in which computation has been viewed; universities have often simply accepted the specific technologies of current hardware and software before asking how they might use them.’ ( Balkovich et al ., 1985 )…”
Network‐based learning is now such an important area that it would seem timely to examine progress to date and to draw conclusions regarding the direction of further research. This paper is the result of a survey of computer systems for distributed and distance learning, focusing on projects that help to illustrate the evolution of this important field. An examination such as this is important in its own right as a resource for other researchers wishing to pursue the subject further, but the survey also helps to highlight some of the major trends of past projects and to suggest some of the ways in which progress may be made in the future.
“…Authentication service. We use Kerberos [6], developed by Project Athena [7], for our authentication needs. The Kerberos authentication model is based on a shared secret, which a client uses to prove its identity to a service, and similarly to authenticate a service to a client.…”
This paper describes the mechanisms employed to control access to system services on the IFS project. We base our distributed computing environment on systems that we trust, and run those systems in physically secure rooms. From that base, we add services, modifying them to interoperate with existing access control mechanisms. Some weaknesses remain in our environment; we conclude with a description of present vulnerabilities and future plans.
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