| N. Sergent, X. Defago, and A. Schiper. Failure detectors: Implementation issues and impact on consensus performance. TR SSC/ |
....detection mechanism. Most of them are designed specifically for solving consensus or related problems [2, 28] Some of them are designed to be used as a foundation for building other distributed services [41] Sergent et al. gave a list of di#erent implementations of crash failure detectors [38]. 14 2.5 Group Communication Another approach to reliable distributed computing is group communication, a variation of the atomic broadcast approach. A group communication system provides two services, group membership and group multicast. Informally, group membership maintains memberships of ....
N. Sergent, X. Defago, and A. Schiper. Failure detectors: Implementation issues and impact on consensus performance. Technical Report SSC/1999/019, Ecole Polytechnique Federale de Lausanne, Switzerland, May 1999.
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N. Sergent, X. Defago, and A. Schiper. Failure detectors: Implementation issues and impact on consensus performance. TR SSC/
....is more complicated than that, but this gives the basic idea. 2.6 GROUP MEMBERSHIPSERVICE 9 A perfect failure detector (#) satisfies both strong completeness and strong accuracy. Even in asynchronous systems, it is easy to implement a failure detector that satisfies weak completeness (e.g. [115, 26]) and hence strong completeness [23] see Sect. 2.2) However, the difficulty is to satisfy strong accuracy: no process is suspected before it crashes [23] Process controlled crash makes it possible to emulate the slightly weaker accuracy property that follows: QUASI STRONG ACCURACY) No ....
N. Sergent, X. Dfago, and A. Schiper. Failure detectors: Implementation issues and impact on consensus performance. Technical Report SSC/1999/019, cole Polytechnique Fdrale de Lausanne, Switzerland, May 1999.
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