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» Tight Bounds on the Round Complexity of Distributed 1-Solvab...
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PODC
2004
ACM
14 years 1 months ago
Byzantine disk paxos: optimal resilience with byzantine shared memory
We present Byzantine Disk Paxos, an asynchronous shared-memory consensus algorithm that uses a collection of n > 3t disks, t of which may fail by becoming non-responsive or arb...
Ittai Abraham, Gregory Chockler, Idit Keidar, Dahl...
ATAL
2009
Springer
14 years 2 months ago
The price of democracy in coalition formation
Whenever rational agents form coalitions to execute tasks, doing so via a decentralized negotiation process—while more robust and democratic—may lead to a loss of efficiency ...
Georgios Chalkiadakis, Edith Elkind, Maria Polukar...
ISAAC
2009
Springer
142views Algorithms» more  ISAAC 2009»
14 years 2 months ago
Of Choices, Failures and Asynchrony: The Many Faces of Set Agreement
Abstract. Set agreement is a fundamental problem in distributed computing in which processes collectively choose a small subset of values from a larger set of proposals. The imposs...
Dan Alistarh, Seth Gilbert, Rachid Guerraoui, Core...
CRYPTO
2001
Springer
111views Cryptology» more  CRYPTO 2001»
14 years 3 days ago
On the Cost of Reconstructing a Secret, or VSS with Optimal Reconstruction Phase
Consider a scenario where an l-bit secret has been distributed among n players by an honest dealer using some secret sharing scheme. Then, if all players behave honestly, the secre...
Ronald Cramer, Ivan Damgård, Serge Fehr
PODC
1998
ACM
13 years 11 months ago
Optimal Efficiency of Optimistic Contract Signing
A contract is a non-repudiable agreement on a given contract text, i.e., a contract can be used to prove agreement between its signatories to any verifier. A contract signing sche...
Birgit Pfitzmann, Matthias Schunter, Michael Waidn...