| Paper Abstract and Keywords |
| Presentation |
2007-03-05 15:55
A Consensus Algorithm Tolerating Adversarial Crash and Probabilistic Omission
Taisuke Izumi, Koichi Wada (Nagoya Inst. of Tech.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
The (uniform) consensus, which is one of fundamental and important
problems for designing fault-tolerant distributed systems, is the problem
that all processes have to agree on a common value that is proposed by
a process. In this paper, we newly introduce a distributed system model
that suffers crash faults and probabilistic omissions where each message
is omitted with a probability p, and consider consensus algrithms on the
model. We propose a consensus algorithm with O(f) worst-case expected
round complexity if p < 1 − 4/sqrt(n). Interstingly, although the
algorithm can tolerate high-probability message omission, its overhead is
not so much: Since all of exiting consensus algorithms that can not
tolerate omissions have the worst-case round complexity at least (f + 2),
our algorithm has the round complexity only a constant time as much as
existing non-omission-tolerant algorithms. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Synchronous Distributed System / Uniform Consensus / Fault tolerance / Crash fault / Omission fault / / / |
| Reference Info. |
IEICE Tech. Rep., vol. 106, no. 566, COMP2006-58, pp. 59-66, March 2007. |
| Paper # |
COMP2006-58 |
| Date of Issue |
2007-02-26 (COMP) |
| ISSN |
Print edition: ISSN 0913-5685 |
| Download PDF |
|
| Conference Information |
| Committee |
COMP |
| Conference Date |
2007-03-05 - 2007-03-05 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
The University of Electro-Communications |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
|
| Paper Information |
| Registration To |
COMP |
| Conference Code |
2007-03-COMP |
| Language |
English (Japanese title is available) |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
A Consensus Algorithm Tolerating Adversarial Crash and Probabilistic Omission |
| Sub Title (in English) |
|
| Keyword(1) |
Synchronous Distributed System |
| Keyword(2) |
Uniform Consensus |
| Keyword(3) |
Fault tolerance |
| Keyword(4) |
Crash fault |
| Keyword(5) |
Omission fault |
| Keyword(6) |
|
| Keyword(7) |
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| Keyword(8) |
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| 1st Author's Name |
Taisuke Izumi |
| 1st Author's Affiliation |
Nagoya Institute of Technology (Nagoya Inst. of Tech.) |
| 2nd Author's Name |
Koichi Wada |
| 2nd Author's Affiliation |
Nagoya Institute of Technology (Nagoya Inst. of Tech.) |
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| Speaker |
Author-1 |
| Date Time |
2007-03-05 15:55:00 |
| Presentation Time |
30 minutes |
| Registration for |
COMP |
| Paper # |
COMP2006-58 |
| Volume (vol) |
vol.106 |
| Number (no) |
no.566 |
| Page |
pp.59-66 |
| #Pages |
8 |
| Date of Issue |
2007-02-26 (COMP) |