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Fast gossiping with short unreliable messages. (English) Zbl 0807.94029
Summary: Each of \(n\) nodes of a communication network has a piece of information (gossip) which should be made known to all other nodes. Gossiping is done by sending letters. In a unit of time each node can either send one letter to a neighbor or receive one such letter, containing one gossip currently known to the sender. Letters reach their destinations with constant probability \(0<q<1\), independently of one another. For a large class of networks, including rings, grids, hypercubes and complete graphs, we construct gossip schemes working in linear time and successfully performing gossiping with probability converging to 1, as the number of nodes grows.

MSC:
94C15 Applications of graph theory to circuits and networks
90B18 Communication networks in operations research
05C90 Applications of graph theory
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