Enhanced bully algorithm for leader node election in synchronous distributed systems

Md. Golam Murshed, Alastair R. Allen

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)
7 Downloads (Pure)


In distributed computing systems, if an elected leader node fails, the other nodes of the system need to elect another leader. The bully algorithm is a classical approach for electing a leader in a synchronous distributed computing system. This paper presents an enhancement of the bully algorithm, requiring less time complexity and minimum message passing. This significant gain has been achieved by introducing node sets and tie breaker time. The latter provides a possible solution to simultaneous elections initiated by different nodes. In comparison with the classical algorithm and its existing modifications, this proposal generates minimum messages, stops redundant elections, and maintains fault-tolerant behaviour of the system.
Original languageEnglish
Pages (from-to)3-23
Number of pages21
Issue number1
Early online date25 Jun 2012
Publication statusPublished - Sep 2012


  • leader node election
  • distributed systems
  • bully algorithm


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