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 ABSTRACT
The ability for students to perform computer laboratory experiments has traditionally been limited to a physical environment. Because of this restriction, lab experiments could be performed only during formal lab hours or open lab time. There are a number of negative consequences resulting from physical barriers, including administrative issues involving lab equipment and room support costs, and site access on weekends and after-hours. Student limitations involve inflexible lab room schedules, sometimes insufficient equipment, and possible late-night safety concerns. Recently we adopted an open source VPN solution that uses Openswan and the IPSec sub-system. This open source technology allows student computers to connect to the private lab LAN and perform experiments from home or the dorm, at any time of the day, night, or weekend. Based on student feedback and improved technologies, the solution was enhanced, expanded, and made more flexible. A locally developed and copyrighted software application, code name BroadReach, simplifies student VPN configuration and management of the VPN Gateway to the secure LAN and is discussed in this paper. Issues related to IPSec are identified and both industry and local solutions are presented. Finally, the future migration of a DE classroom into a single computer using Virtualization techniques is outlined. REFERENCES
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