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Issue No.06 - June (2000 vol.11)
pp: 537-549
<p><b>Abstract</b>—This paper presents a fair decentralized mutual exclusion algorithm for distributed systems in which processes communicate by asynchronous message passing. The algorithm requires between <tmath>$N-1$</tmath> and <tmath>$2(N-1)$</tmath> messages per critical section access, where <tmath>$N$</tmath> is the number of processes in the system. The exact message complexity can be expressed as a deterministic function of concurrency in the computation. The algorithm does not introduce any other overheads over Lamport's and Ricart-Agrawala's algorithms, which require <tmath>$3(N-1)$</tmath> and <tmath>$2(N-1)$</tmath> messages, respectively, per critical section access and are the only other decentralized algorithms that allow mutual exclusion access in the order of the timestamps of requests.</p>
Algorithm, concurrency, distributed system, fairness, mutual exclusion, synchronization.
Sandeep Lodha, Ajay Kshemkalyani, "A Fair Distributed Mutual Exclusion Algorithm", IEEE Transactions on Parallel & Distributed Systems, vol.11, no. 6, pp. 537-549, June 2000, doi:10.1109/71.862205
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