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Optimal deterministic routing and sorting on the congested clique

Published: 22 July 2013 Publication History

Abstract

Consider a clique of n nodes, where in each synchronous round each pair of nodes can exchange O(log n) bits. We provide deterministic constant-time solutions for two problems in this model. The first is a routing problem where each node is source and destination of n messages of size O(log n). The second is a sorting problem where each node i is given n keys of size O(log n) and needs to receive the ith batch of n keys according to the global order of the keys. The latter result also implies deterministic constant-round solutions for related problems such as selection or determining modes.

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cover image ACM Conferences
PODC '13: Proceedings of the 2013 ACM symposium on Principles of distributed computing
July 2013
422 pages
ISBN:9781450320658
DOI:10.1145/2484239
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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Published: 22 July 2013

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  1. bulk-synchronous communication
  2. congest model
  3. upper bounds

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PODC '13
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PODC '13: ACM Symposium on Principles of Distributed Computing
July 22 - 24, 2013
Québec, Montréal, Canada

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PODC '13 Paper Acceptance Rate 37 of 145 submissions, 26%;
Overall Acceptance Rate 740 of 2,477 submissions, 30%

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