منابع مشابه
Byzantine Generals and Transaction Commit Protocols
The transaction commit problem in a distributed database system is an instance of the Weak Byzantine Generals problem. It is shown that even under the assumption that a process can fail only by “crashing”—failing to send any more messages—a solution to this problem that can tolerate k failures must, in the worst case, require at least k + 1 message-passing delays. Under this same assumption, a ...
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Physical defects cause behaviors unmodeled by even the best fault simulators, which complicates predictive diagnosis. This paper reports on a diagnosis procedure that uses modi ed composite signatures constructed from single stuck-at information combined with a lexicographic matching and ranking algorithm. The diagnosis procedure is used to perform highquality bridging fault diagnosis for more ...
متن کاملA New Look at Composition of Authenticated Byzantine Generals
The problem of Authenticated Byzantine Generals (ABG) aims to simulate a virtual reliable broadcast channel from the General to all the players via a protocol over a real (point-to-point) network in the presence of faults. We propose a new model to study the self-composition of ABG protocols. The central dogma of our approach can be phrased as follows: Consider a player who diligently executes ...
متن کاملAuthenticated Byzantine Generals in Dual Failure Model
Pease et al. introduced the problem of Byzantine Generals (BGP) to study the effects of Byzantine faults in distributed protocols for reliable broadcast. It is well known that BGP among n players tolerating up to t faults is (efficiently) possible if and only if n > 3t. To overcome this severe limitation, Pease et al. introduced a variant of BGP, Authenticated Byzantine General (ABG). Here play...
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ژورنال
عنوان ژورنال: Academic Emergency Medicine
سال: 2012
ISSN: 1069-6563
DOI: 10.1111/j.1553-2712.2012.01346.x