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An Efficient Message Passing Election Algorithm based on Mazurkiewicz's Algorithm

Chalopin J., Métivier Y.

Fundamenta Informaticae

2007

Vol. 80, nr 1-3

221-246

We study the election and the naming problems in the asynchronous message passing model. We present a necessary condition based on Angluin's lifting lemma [1] that must be satisfied by any network that admits a naming (or an election) algorithm. We then show that this necessary condition is also sufficient: we present an election and naming algorithm based on Mazurkiewicz's algorithm [17]. The algorithm we obtained is totally asynchronous and it needs a polynomial number of messages of polynomial size, whereas previous election algorithms in this model are pseudo-synchronous and use messages of exponential size.