A survey of isolation techniques
نویسنده
چکیده
The general purpose computer has become pervasive and is supporting an increasing number of functions, including music, video, gaming, communications, banking, business, process control, and critical in frastructure. The use of a single computer for mult iple functions, and the interconnection of mult iple computers through a common network have reduced the isolation that protected such functions in the past. If we are to use common systems for multip le functions, we need mechanis ms that provide the isolation needed to protect each function from interference by others. Without such isolation, vulnerabilities and mis-trust in any part of the system can propagate and compromise the rest of the system. Isolation techniques form an integral part of security in systems and networks. This work surveys isolation techniques for operating systems and networks and describes systems built using those techniques. An intuitive taxonomy is proposed for organizing these techniques. The paper aims to provide a crit ical understanding of what already exists and what needs to be done with respect to isolation security for building next-generation secure systems.
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تاریخ انتشار 2009