P.M. Melliar-Smith, R.L. Schwartz. Hierarchical Specification of the SIFT Fault-Tolerant Flight Control System. Technical Report CSL-123, SRI Computer Science Laboratory, March, 1981.  Home/Search   Document Not in Database   Summary   Related Articles   Check

....to security which he proposes results in a mandate for the type of verification carried out for Kit: a proof of the isolation of processes implemented in a shared environment. Rushby calls this a separation kernel. Outside of these two categories, mention should be made of the SIFT project [MelliarSmith 81] which tentatively explored some of the problems of implementing processes, but did not formally prove an implements relation or do code level proofs. The relationship between our work and that previously reported in the literature can be summarized as follows. There are two main threads in ....

P.M. Melliar-Smith, R.L. Schwartz. Hierarchical Specification of the SIFT Fault-Tolerant Flight Control System. Technical Report CSL-123, SRI Computer Science Laboratory, March, 1981.

....attempts to deal with it formally and mechanically have been incomplete. We have in mind specifically the work related to the SRI Hierarchical Design Methodology [16] and its use in the Provably Secure Operating System (PSOS) 14] and the Software Implemented Fault Tolerant (SIFT) operating system [11, 18]. While virtually all of the issues are correctly intuited, we personally find great joy in seeing their formalization and mechanization. Piton was implemented on top of another verified system, namely FM8502. This represents the first time that two verified systems of such complexity were ....

P.M. Melliar-Smith and R. Schwartz. Hierarchical Specification of the SIFT Fault-Tolerant Flight Control System. Tech. Rept. CSL-123, Computer Science Laboratory, SRI International, Menlo Park, Ca., 1981.

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