<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>27</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Ali Shoker</style></author><author><style face="normal" font="default" size="100%">Jean-Paul Bahsoun</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">BFT for Three Decades, Yet Not Enough!</style></title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">December</style></date></pub-dates></dates><urls><related-urls><url><style face="normal" font="default" size="100%">https://haslab.uminho.pt/sites/default/files/ashoker/files/shokerbft3decadestr.pdf</style></url></related-urls></urls><number><style face="normal" font="default" size="100%">IRIT/RR–2012-7–FR</style></number><publisher><style face="normal" font="default" size="100%">University of Toulouse III, IRIT Lab.</style></publisher><pub-location><style face="normal" font="default" size="100%">Toulouse, France</style></pub-location><pages><style face="normal" font="default" size="100%">1-6</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Distributed systems are established to maintain safety and liveness while attending good performance. Nowadays, Byzantine Failures are considered the most critical threat for system’s safety. Various BFT protocols were found through the history; however, none has been adopted yet. The reason perhaps originates from the fact that Byzantine Fault Tolerance issue is hard by nature; add to this the complications underlying BFT protocols implementation. This paper represents a general overview on Byzantine Fault Tolerance, its evolution, and difficulties disturbing its realization. First, we introduce the subject by deﬁning replication, its importance and some problems; then we describe in brief the basic BFT protocols reporting some comparisons. Then we expose some problems that BFT protocols implementations are facing and we give a solution proposed by Guerraoui et al.; ﬁnally, we summarize our paper and conclude.&lt;/p&gt;
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