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Quasirandom rumor spreading: An experimental analysis

Published: 16 November 2008 Publication History

Abstract

We empirically analyze two versions of the well-known “randomized rumor spreading” protocol to disseminate a piece of information in networks. In the classical model, in each round, each informed node informs a random neighbor. In the recently proposed quasirandom variant, each node has a (cyclic) list of its neighbors. Once informed, it starts at a random position of the list, but from then on informs its neighbors in the order of the list.
While for sparse random graphs a better performance of the quasirandom model could be proven, all other results show that, independent of the structure of the lists, the same asymptotic performance guarantees hold as for the classical model.
In this work, we compare the two models experimentally. Not only does this show that the quasirandom model generally is faster, but it also shows that the runtime is more concentrated around the mean. This is surprising given that much fewer random bits are used in the quasirandom process.
These advantages are also observed in a lossy communication model, where each transmission does not reach its target with a certain probability, and in an asynchronous model, where nodes send at random times drawn from an exponential distribution. We also show that typically the particular structure of the lists has little influence on the efficiency.

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    Published In

    cover image ACM Journal of Experimental Algorithmics
    ACM Journal of Experimental Algorithmics  Volume 16, Issue
    2011
    411 pages
    ISSN:1084-6654
    EISSN:1084-6654
    DOI:10.1145/1963190
    Issue’s Table of Contents
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Association for Computing Machinery

    New York, NY, United States

    Publication History

    Published: 16 November 2008
    Published in JEA Volume 16

    Author Tags

    1. Rumor spreading
    2. experimental analysis
    3. randomized algorithms

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    • (2019)Bibliometric Analysis of Rumor Propagation Research Through Web of Science from 1989 to 2019Journal of Statistical Physics10.1007/s10955-019-02440-y178:2(532-551)Online publication date: 20-Nov-2019
    • (2018)Deterministic Random Walks for Rapidly Mixing ChainsSIAM Journal on Discrete Mathematics10.1137/16M108766732:3(2180-2193)Online publication date: 30-Aug-2018
    • (2018)Breaking the $$\log n$$logn barrier on rumor spreadingDistributed Computing10.1007/s00446-017-0312-431:6(503-513)Online publication date: 1-Nov-2018
    • (2016)How Asynchrony Affects Rumor Spreading TimeProceedings of the 2016 ACM Symposium on Principles of Distributed Computing10.1145/2933057.2933117(185-194)Online publication date: 25-Jul-2016
    • (2016)Efficient randomised broadcasting in random regular networks with applications in peer-to-peer systemsDistributed Computing10.1007/s00446-016-0264-029:5(317-339)Online publication date: 1-Oct-2016
    • (2016)How to Generate Randomized Roundings with Dependencies and How to Derandomize ThemAlgorithm Engineering10.1007/978-3-319-49487-6_5(159-184)Online publication date: 11-Nov-2016
    • (2016)Discovery Through GossipRandom Structures & Algorithms10.1002/rsa.2062148:3(565-587)Online publication date: 6-Jan-2016
    • (2015)Deterministic random walks on finite graphsRandom Structures & Algorithms10.1002/rsa.2053346:4(739-761)Online publication date: 1-Jul-2015
    • (2014)Quasirandom Rumor SpreadingACM Transactions on Algorithms10.1145/265018511:2(1-35)Online publication date: 30-Oct-2014
    • (2013)Strong robustness of randomized rumor spreading protocolsDiscrete Applied Mathematics10.1016/j.dam.2012.10.014161:6(778-793)Online publication date: 1-Apr-2013
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