Why extension-based proofs fail
Why extension-based proofs fail
复制标题
为什么基于扩展的证明会失败
DOI:
10.1145/3313276.3316407
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
Zhu, Leqi
中科院分区:
文献类型:
--
作者:
Alistarh, Dan;Aspnes, James;Ellen, Faith;Gelashvili, Rati;Zhu, Leqi
It is impossible to deterministically solve wait-free consensus in an asynchronous system. The classic proof uses a valency argument, which constructs an infinite execution by repeatedly extending a finite execution. We introduceextension-based proofs, a class of impossibility proofs that are modelled as an interaction between a prover and a protocol and that include valency arguments.Using proofs based on combinatorial topology, it has been shown that it is impossible to deterministically solvek-set agreement amongn>k≥ 2 processes in a wait-free manner. However, it was unknown whether proofs based on simpler techniques were possible. We show that this impossibility result cannot be obtained by an extension-based proof and, hence, extension-based proofs are limited in power.
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DOI:
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发表时间:
2014
期刊:
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作者:
Maurice Herlihy;D. Kozlov;S. Rajsbaum
通讯作者:
S. Rajsbaum
DOI:
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发表时间:
1993
期刊:
ACM SIGACT-SIGOPS Symposium on Principles of Distributed Computing
影响因子:
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作者:
E. Borowsky;E. Gafni
通讯作者:
E. Gafni
DOI:
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发表时间:
1997
期刊:
ACM SIGACT-SIGOPS Symposium on Principles of Distributed Computing
影响因子:
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作者:
E. Borowsky;E. Gafni
通讯作者:
E. Gafni
DOI:
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发表时间:
1993
期刊:
ACM SIGACT-SIGOPS Symposium on Principles of Distributed Computing
影响因子:
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作者:
E. Borowsky;E. Gafni
通讯作者:
E. Gafni
DOI:
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发表时间:
2021
期刊:
ACM SIGACT-SIGOPS Symposium on Principles of Distributed Computing
影响因子:
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作者:
Kayman Brusse;Faith Ellen
通讯作者:
Faith Ellen