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Abstract Consensus is a fundamental building block Consensus is a fundamental building block used to solve many practical problems that appear on reliable distributed systems. In spite of the fact that consensus is being widely studied in the context of standard networks, few studies have been conducted in order to solve it in dynamic and self-organizing systems characterized by unknown networks. While in a standard network the set of participants is static and known, in an unknown network, such set and number of participants are previously unknown. This work studies the problem of Byzantine Fault-Tolerant Consensus with Unknown Participants, namely BFT-CUP. This new problem aims at solving consensus in unknown networks with the additional requirement that participants in the system may behave maliciously. It presents the necessary and sufficient knowledge connectivity conditions in order to solve BFT-CUP under minimal synchrony requirements. In this way, it proposes algorithms that are shown to be optimal in terms of synchrony and knowledge connectivity among participants in the system. ectivity among participants in the system.
Author Eduardo Adilio Pelinson Alchieri + , Alysson Bessani + , Fabíola Greve + , Joni da Silva Fraga +
Journal IEEE Transactions on Dependable and Secure Computing  +
Key Alchieri2016bftcup  +
Month mar  +
Note accepted for publication  +
NumPubDate 2,016.03  +
Project Project:SUPERCLOUD + , Project:IRCoC +
ResearchLine Fault and Intrusion Tolerance in Open Distributed Systems (FIT) +
Title Knowledge Connectivity Requirements for Solving Byzantine Consensus with Unknown Participants  +
Type article  +
Url  +
Year 2016  +
Categories Publication  +
Modification dateThis property is a special property in this wiki. 16 January 2017 15:06:32  +
redirect page Publication:Alchieri2016bftcup  +
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