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Theoretical questions in Distributed Computing
0
votes
Accepted
2PC with URBcast
My first question is, can we overcome "blocking" using 2PC (two phase commitment) with Uniform reliable broadcast (URBcast)?
No. 2PC is blocking because the protocol cannot progress when the coo …
4
votes
Processor failures in distributed computing that are not crash or Byzantine
Regarding the already mentioned omission failure models have look at NeigerToueg, which considers different kinds of those.
Has a model been studied where, with
some probability, a process is on …
1
vote
How to Define and Implement (Single-Writer) K-Atomic Snapshot Object?
Regarding Problem 1: I think the first part of the definition is fine.
The second item (about the time before $scan$) is not clear to me; More specifically, the order of quatifiers: is it $\exists ti …
5
votes
Accepted
Is linearizability equivalent to consensus problem?
The thing you get wrong is "we know that linearizability can be achieved in the asynchronous message passing system, while tolerating a minority of process crashes." We don't know that, and in fact it …
11
votes
Accepted
Distributed Turing Machine?
[Is there] a formal representation of
a distributed system on top of a
turing machine?
Regarding this, the discussion (see link posted by Jukka on comments) is the way to look. The way, I se …
3
votes
How to understand the "Availability" of the CAP theorem?
Your question is mixing two somewhat orthogonal interpretations of the term "Availability".
The "reliability theory"/"engineering" interpretation, where availability is basically
the ratio of time th …