Fault Tolerant Operating Systems
ACM Computing Surveys (CSUR)
Operating System Structures to Support Security and Reliable Software
ACM Computing Surveys (CSUR)
Monitors: an operating system structuring concept
Communications of the ACM
A view of computer architecture
Communications of the ACM
HYDRA: the kernel of a multiprocessor operating system
Communications of the ACM
Operating system principles
Coherent cooperation among communicating problem solvers
IEEE Transactions on Computers
File placement and process assignment due to resource sharing in a distributed system
WSC '85 Proceedings of the 17th conference on Winter simulation
DSM-CC for world wide applications
EW 7 Proceedings of the 7th workshop on ACM SIGOPS European workshop: Systems support for worldwide applications
ACM SIGOPS Operating Systems Review
Case study: Distributed system for educational use
Computer Communications
Performance-reliability issues in distributed file systems
Journal of Systems and Software
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The successful implementation of generalized multiple computer systems will require attention both to the form of physical architecture and to the choice and implementation of a suitable systems environment in which to construct and run applications. This paper argues for the use of a multi-computer physical architecture in preference to a multi-processor architecture, and for dynamic distribution of functions and control as opposed to static allocation of functions and hierarchical control. A systems environment which is based on a domain structure is then described. The domain structure restricts sharing of items. This alleviates the main problem in implementing a capability mechanism to support domains in a system without shared memory, which is that a central table of capabilities is required. It also makes the management of the non shared items easier since they can be required only at one computer at a time. Essential sharing is also handled without central control but at the cost of some complexity. Considerable attention is paid to the handling of interdomain jumps as they provide the opportunity for the dynamic allocation of functions. It is conjectured that the resulting system would be capable of smooth expansion in size from one to twenty five computers. In operation it would exhibit dynamic load balancing as well as having the protection advantages of domain structure.