Separation of mechanism and policy: Difference between revisions
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*Artsy, Yeshayahu, and [http://pages.cs.wisc.edu/~miron/ Livny, Miron], An Approach to the Design of Fully Open Computing Systems (University of Wisconsin / Madison, March 1987) Computer Sciences Technical Report #689. |
*Artsy, Yeshayahu, and [http://pages.cs.wisc.edu/~miron/ Livny, Miron], An Approach to the Design of Fully Open Computing Systems (University of Wisconsin / Madison, March 1987) Computer Sciences Technical Report #689. |
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* {{cite journal |last=Wulf |first=W. |authorlink=William Wulf |coauthors=E. Cohen, W. Corwin, A. Jones, R. Levin, C. Pierson, F. Pollack |year=1974 |month=June |title=HYDRA: the kernel of a multiprocessor operating system |journal=Communications of the ACM |volume=17 |issue=6 |pages=337 - 345 |id=ISSN 0001-0782 |url=http://portal.acm.org/citation.cfm?id=364017&coll=portal&dl=ACM }} |
* {{cite journal |last=Wulf |first=W. |authorlink=William Wulf |coauthors=E. Cohen, W. Corwin, A. Jones, R. Levin, C. Pierson, F. Pollack |year=1974 |month=June |title=HYDRA: the kernel of a multiprocessor operating system |journal=Communications of the ACM |volume=17 |issue=6 |pages=337 - 345 |id=ISSN 0001-0782 |url=http://portal.acm.org/citation.cfm?id=364017&coll=portal&dl=ACM }} |
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==See also== |
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*[[Separation of protection and security]] |
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==External links== |
==External links== |
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Revision as of 10:28, 19 July 2007
The principle Separation of mechanism[1] and policy has several uses in the field of Computer science.
The separation of mechanism and policy is the fundamental approach of a micro kernel that distinguishes it from a monolithic one. In a microkernel the majority of operating system services are provided by user-level server processes.[2] It is considered important for an operating system to have the flexibility of providing adequate mechanisms to support the broadest possible spectrum of real-world security policies.[3]
Per Brinch Hansen presented cogent arguments in favor of separation of mechanism and policy.[4][5]
Artsy, in a 1987 paper, discussed an approach for an operating system design having an "extreme separation of mechanism and policy".[6][7]
In a 200 article, Chervenak et al described the principles of mechanism neutrality and policy neutrality.[8]
Notes
- ^ Butler W. Lampson and Howard E. Sturgis. Reflections on an Operating System Design [1] Communications of the ACM 19(5):251-265 (May 1976)
- ^ Raphael Finkel, Michael L. Scott, Artsy Y. and Chang, H. [www.cs.rochester.edu/u/scott/papers/1989_IEEETSE_Charlotte.pdf Experience with Charlotte: simplicity and function in a distributed operating system]. IEEE Trans. Software Engng 15:676-685; 1989. Extended abstract presented at the IEEE Workshop on Design Principles for Experimental Distributed Systems, Purdue University; 1986.
- ^ R. Spencer, S. Smalley, P. Loscocco, M. Hibler, D. Andersen, and J. Lepreau The Flask Security Architecture: System Support for Diverse Security Policies In Proceedings of the Eighth USENIX Security Symposium, pages 123–139, Aug. 1999.
- ^ Wulf 74 pp.337-345
- ^ Brinch Hansen 70 pp.238-241
- ^ Miller, M. S., & Drexler, K. E. (1988). Markets and computation: Agoric open systems. In Huberman (1988), pp. 133{176. (Huberman, B. A. (Ed.). (1988). The Ecology of Computation. North-Holland.)
- ^ Artsy, Yeshayahu et al, 1987
- ^ Chervenak 2000 p.2
References
- Per Brinch Hansen (2001). "The evolution of operating systems" (pdf). Retrieved 2006-10-24.
{{cite journal}}: Cite journal requires|journal=(help) included in book: Per Brinch Hansen (ed.). "1". Classic operating systems: from batch processing to distributed systems. New York,: Springer-Verlag. pp. 1–36. ISBN 0-387-95113-X.{{cite book}}: External link in|chapterurl=|chapterurl=ignored (|chapter-url=suggested) (help); Unknown parameter|origdate=ignored (|orig-date=suggested) (help)CS1 maint: extra punctuation (link) (p.18) - Wulf, W. (1974). "HYDRA: the kernel of a multiprocessor operating system". Communications of the ACM. 17 (6): 337–345. ISSN 0001-0782.
{{cite journal}}: Unknown parameter|coauthors=ignored (|author=suggested) (help); Unknown parameter|month=ignored (help) (pp.337-345) - Hansen, Per Brinch (1970). "The nucleus of a Multiprogramming System". Communications of the ACM. 13 (4): 238–241. ISSN 0001-0782.
{{cite journal}}: Unknown parameter|month=ignored (help) (pp.238-241) - Levin, R. (1975). "Policy/mechanism separation in Hydra". ACM Symposium on Operating Systems Principles / Proceedings of the fifth ACM symposium on Operating systems principles: 132–140.
{{cite journal}}: Unknown parameter|coauthors=ignored (|author=suggested) (help) - Chervenak et al The data grid Journal of Network and Computer Applications, Volume 23, Issue 3, July 2000, Pages 187-200
- Artsy, Yeshayahu, and Livny, Miron, An Approach to the Design of Fully Open Computing Systems (University of Wisconsin / Madison, March 1987) Computer Sciences Technical Report #689.
- Wulf, W. (1974). "HYDRA: the kernel of a multiprocessor operating system". Communications of the ACM. 17 (6): 337–345. ISSN 0001-0782.
{{cite journal}}: Unknown parameter|coauthors=ignored (|author=suggested) (help); Unknown parameter|month=ignored (help)
See also
External links
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