sabato 10 dicembre 2016

# e-sec: byzantine fault in-tolerance

<< Byzantine failures are considered the most general and most difficult class of failures among the failure modes >>

<< The objective of Byzantine fault tolerance is to be able to defend against Byzantine failures, in which components of a system fail with symptoms that prevent some components of the system from reaching agreement among themselves, where such agreement is needed for the correct operation of the system >>

<< Byzantine failures imply no restrictions, which means that failed node can generate arbitrary data, pretending to be a correct one, which makes fault tolerance utterly difficult. >> Nov. 19, 2016.

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