A linear fault-tolerant naming algorithm
We solve the naming problem (how to give a unique identifier to each site of an unknown network), when some sites are supposed to have a faulty behaviour of fail-stop type. The solution uses several tokens, in order to ensure that, despite crash failure of some sites, at least one token will perform a complete traversal of the network. The complexities in time and in number of messages of this algorithm are linear with respect to the size of the network (number of communication lines), which improves the exponential solution already known in the Byzantine case with some special assumptions.
Key wordsdistributed algorithms naming problem fault-tolerance fail-stop synchronous message passing
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