Distributed Computing: 21st International Symposium, DISC by Burkhard Monien, Karsten Tiemann (auth.), Andrzej Pelc

By Burkhard Monien, Karsten Tiemann (auth.), Andrzej Pelc (eds.)

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By Burkhard Monien, Karsten Tiemann (auth.), Andrzej Pelc (eds.)

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Read Online or Download Distributed Computing: 21st International Symposium, DISC 2007, Lemesos, Cyprus, September 24-26, 2007. Proceedings PDF

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Refined Quorum Systems. Technical Report LPDREPORT-2007-001, EPFL (2007) 7. : Wait-free synchronization. ACM Transactions on Programming Languages and Systems 13(1), 124–149 (1991) 8. : On interprocess communication. part i: Basic formalism. Distributed Computing 1(2), 77–101 (1986) 9. : Byzantine clients rendered harmless. In: Fraigniaud, P. ) DISC 2005. LNCS, vol. 3724, pp. 311–325. Springer, Heidelberg (2005) 10. : Minimal byzantine storage. In: Malkhi, D. ) DISC 2002. LNCS, vol. 2508, pp. 311–325.

In summary, we are following a multiple-valued generalization of the 3-state majority algorithm except when the phases are nonblank and within distance 1 of one another. In this case, we revert to behavior like that of the original phase clock. Once the disposable phase clock is running, it is used to select the real phase clock’s leaders. This is accomplished by having another exponential decay process that is reset by the disposable phase clock each complete cycle. Thus we need a way to detect approximately the onset of each cycle.

As in Section 3, the reader waits to collect f + 1 matching responses for an acceptable timestamp. It then tries to write back the value providing as a proof the set of shares collected so far. Retrying each time it receives more shares, or when it can try to write back a different value. The server will only accept the write back if value being written back matches the value that was initially received from the writer, and the shares can reconstruct the correct secret. If at least one non-faulty server has revealed the value, then all servers will eventually receive the value and the shares sent by the writer to be able to verify the information provided by the reader.

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