• Media type: Electronic Conference Proceeding; Text; E-Article
  • Title: Brief Announcement: A Tight Lower Bound for Clock Synchronization in Odd-Ary M-Toroids
  • Contributor: Frank, Reginald [Author]; Welch, Jennifer L. [Author]
  • imprint: Schloss Dagstuhl – Leibniz-Zentrum für Informatik, 2018
  • Language: English
  • DOI: https://doi.org/10.4230/LIPIcs.DISC.2018.47
  • Keywords: Clock synchronization ; k-ary m-toroid ; Lower bound
  • Origination:
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  • Description: In this paper we show a tight closed-form expression for the optimal clock synchronization in k-ary m-cubes with wraparound, where k is odd. This is done by proving a lower bound of 1/4um (k-1/k), where k is the (odd) number of processes in each of the m dimensions, and u is the uncertainty in delay on every link. Our lower bound matches the previously known upper bound.
  • Access State: Open Access