Security Model for Educational Satellite Networks

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Author(s): Sanjay Jasola (Indira Gandhi National Open University, New Delhi, India)and Ramesh C. Sharma (Indira Gandhi National Open University, India)
Copyright: 2007
Pages: 8
Source title: Encyclopedia of Information Ethics and Security
Source Author(s)/Editor(s): Marian Quigley (Monash University, Australia)
DOI: 10.4018/978-1-59140-987-8.ch087

Keywords: Information Science Reference / Information Security & Privacy / IT Security and Ethics / Security & Forensics

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Abstract

Education has been the greatest tool for human resources development. The advances in information and communication technology has brought out a paradigm shift in the educational sector by making it more accessible, relevant, qualitative, and equitable for the masses. The use of satellite technology like INTELSAT, PEACESAT, and ATS in education has enhanced the opportunities for learners to acquire new skills (Moore & Kearsley, 1996). Both on-campus and distance mode students can be benefited by it. The satellite technology can serve a large geographical area. It allows audio and video signals uplinked from a station to be received to any number of downlink earth stations (Willis, 1995). Oliver (1994) reported that the transmission costs do not increase with the increase in the number of downlink stations. Satellite Instructional Television Experiment (SITE), one of the India’s early experiments conducted during 1975 to 1976, produced and transmitted 150 different science programs of 10 to 12 minutes duration, offering them to more than 2,330 villages in six geographical clusters. According to Shrestha (1997) and Govindaraju and Banerjee (1999), this experiment demonstrates the effectiveness of satellite communication for educational purposes.

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