A New Model of Security for Metasystems

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Author

Steve J. Chapin, Chenxi Wang, William A. Wulf, Fritz Knabe, Andrew Grimshaw

Entry type

article

Abstract

With the rapid growth of high-speed networking and microprocessing power, metasystems have become increasingly popular. The need for protection and security in such environments has never been greater. However, the conventional approach to security, that of enforcing a single system-wide policy, will not work for the large-scale distributed systems we envision. Our new model shifts the emphasis from \"system as enforcer: to user-deifinable policies, making users responsible for the security of their objects. This security model has been implented as part of the Legion project. Legion is an object-oriented metacomputing system, with strong support for autonomy. This includes support for per-object, user-defined policies in many areas, including resource management and security. This paper briefly describes the Legion system, presents our security model, and discusses the realization of that model in Legion.

URL

http://66.102.1.104/scholar?hl ... +Security+for+Metasystems

Key alpha

Chapin

Pages

1-17

Affiliation

University of Virginia

Publication Date

2001-01-01

Keywords

security, metasystems, Legion

Language

English

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@Article{ Chapin,
	title = "A New Model of Security for Metasystems",
	author = "Steve J. Chapin, Chenxi Wang, William A. Wulf, Fritz Knabe, Andrew Grimshaw",
	pages = "1-17",
	abstract = "With the rapid growth of high-speed networking and microprocessing power, metasystems have become increasingly popular. The need for protection and security in such environments has never been greater. However, the conventional approach to security, that of enforcing a single system-wide policy, will not work for the large-scale distributed systems we envision. Our new model shifts the emphasis from \"system as enforcer: to user-deifinable policies, making users responsible for the security of their objects.
This security model has been implented as part of the Legion project. Legion is an object-oriented metacomputing system, with strong support for autonomy. This includes support for per-object, user-defined policies in many areas, including resource management and security. This paper briefly describes the Legion system, presents our security model, and discusses the realization of that model in Legion.",
	affiliation = "University of Virginia",
	keywords = "security, metasystems, Legion",
	language = "English",
	url = "http://66.102.1.104/scholar?hl=en&lr=&q=cache:NnsT3C7FI6wJ:citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.77.636&rep=rep1&type=pdf+A+New+Model+of+Security+for+Metasystems",
}