Abstract
CHORUS/MiX provides the environment and specific capabilities for high availability within both the operating system and critical user applications. Both dynamic reconfiguration/upgrade and fault tolerance rely on CHORUS microkernel enablers and on the modular distributed nature of the MiX implementation. Crucial elements include:
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The underlying communications based architecture, which facilitates a modular and distributed structure for operating system components and user applications;
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Port migration and port group addressing, for configuration flexibility and dynamic replacement of software components;
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Advanced high-availability enablers under development, including atomic ordered broadcast and synchronized port group management;
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Very strong robustness criteria driving the microkernel enhancements.
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Finally, the distributed MiX implementation and single-site semantics, which will provide a comfortable, manageable environment for delivering highly available systems.
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© 1994 Springer-Verlag Berlin Heidelberg
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Lipkis, J., Rozier, M. (1994). Fault tolerance enablers in the CHORUS microkernel. In: Banâtre, M., Lee, P.A. (eds) Hardware and Software Architectures for Fault Tolerance. Fault Tolerance 1993. Lecture Notes in Computer Science, vol 774. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0020033
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DOI: https://doi.org/10.1007/BFb0020033
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