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Dissecting the Performance of Chained-BFT [article]

Fangyu Gai, Ali Farahbakhsh, Jianyu Niu, Chen Feng, Ivan Beschastnikh, Hao Duan
2021 arXiv   pre-print
A new paradigm, combined with decades of research in BFT SMR and blockchain (namely chained-BFT, or cBFT), has emerged for directly constructing blockchain protocols.  ...  To validate Bamboo, we introduce an analytic model using queuing theory which also offers a back-of-the-envelope guide for dissecting these protocols.  ...  To dissect and explain the performance of chained-BFT variants, we propose a novel framework called Bamboo.  ... 
arXiv:2103.00777v1 fatcat:gyaslwyeajfivg7ixqdjlvtw5m

Activation of Bacteroides fragilis toxin by a novel bacterial protease contributes to anaerobic sepsis in mice

Vivian M Choi, Julien Herrou, Aaron L Hecht, Wei Ping Teoh, Jerrold R Turner, Sean Crosson, Juliane Bubeck Wardenburg
2016 Nature Medicine  
Our findings define a role for B. fragilis enterotoxin and its activating protease in the pathogenesis of bloodstream infection, indicating a greater complexity of cellular targeting and action of BFT  ...  Bacteroides fragilis is the leading cause of anaerobic bacteremia and sepsis 1 .  ...  The structure reveals water contact to H135 (Fig. 3c ) and the oxygen of the arginine main chain.  ... 
doi:10.1038/nm.4077 pmid:27089515 pmcid:PMC4860040 fatcat:z32zejfymvgnhemuboqc56ukoa

Permissioned Blockchain Through the Looking Glass: Architectural and Implementation Lessons Learned [article]

Suyash Gupta, Sajjad Rahnama, Mohammad Sadoghi
2020 arXiv   pre-print
This endeavor requires us to dissect a permissioned blockchain system and highlight different factors that affect its performance.  ...  Since the inception of Bitcoin, the distributed systems community has shown interest in the design of efficient blockchain systems.  ...  By dissecting ResilientDB, we analyze several factors that affect the performance of a permissioned blockchain system.  ... 
arXiv:1911.09208v2 fatcat:7boer3e5ozfp7gskgtggkxuotq

Evaluation of different lipid sources in diet of pacific white shrimp Litopenaeus vannamei at low salinity

Ke Chen, Erchao Li, Chang Xu, Xiaodan Wang, Heizhao Lin, Jian G. Qin, Liqiao Chen
2015 Aquaculture Reports  
The activities of fatty acid synthetase, acyl-CoA, diacylgycerol acyltransferase 2, elongase of long-chain fatty acids family member 6, 5 and 6 fatty acid desaturases of shrimp fed SBL were significantly  ...  Litopenaeus vannamei (1.98 ± 0.28 g) were fed diets containing soybean oil (SBO), beef tallow (BFT), fish oil (FIO), linseed oil (LNO), and an equal combination of SBO + BFT + FIO (SBF) or SBO + BFT +  ...  The content of EPA of shrimp fed FIO diet had significantly higher than those fed the SBO, BFT, LNO and SBL. DHA content was similar between the SBO and BFT, BFT and SBF, or LNO and SBL.  ... 
doi:10.1016/j.aqrep.2015.10.003 fatcat:nuzk4hal7nffdnsufw3xothv6y

An analysis of MYH7 single nucleotide polymorphism (g.7:75667956G>A) in relation to growth and carcass traits in pigs

D. Polasik, M. Tyra, G. Żak, A, Terman
2018 Journal of Animal and Feed Sciences  
thickness from 5 measurements (BFT), width of the loin (WdL), height of the loin (HL), loin eye area (AL), meat percentage (MP) and weight of the main cuts (WMC).  ...  During the dissection, the following carcass traits were determined: slaughter efficiency (SEF), weight of loin without backfat and skin (WL), weight of ham without backfat and skin (WH), mean backfat  ... 
doi:10.22358/jafs/98929/2018 fatcat:22wcox4kqnddhcx7xq5eyyyz6m

A Survey of Distributed Consensus Protocols for Blockchain Networks [article]

Yang Xiao, Ning Zhang, Wenjing Lou, Y. Thomas Hou
2019 arXiv   pre-print
Among various core components, consensus protocol is the defining technology behind the security and performance of blockchain.  ...  From incremental modifications of Nakamoto consensus protocol to innovative alternative consensus mechanisms, many consensus protocols have been proposed to improve the performance of the blockchain network  ...  ACKNOWLEDGMENT The authors would like to thank Dr. Christian Cachin, Dr. Yonggang Wen, and the anonymous reviewers for their constructive comments on this paper.  ... 
arXiv:1904.04098v3 fatcat:gegtpion3jditfhavbgprmfwnm

SoK: Understanding BFT Consensus in the Age of Blockchains [article]

Gang Wang
2021 IACR Cryptology ePrint Archive  
We then survey, compare, and categorize the state-of-the-art solutions to understand BFT consensus in detail.  ...  However, the inherent complexity of BFT consensus protocols and their rapid evolution makes it hard to practically adapt themselves into application domains.  ...  , it dissects the roles of different quorums in existing consensus protocols.  ... 
dblp:journals/iacr/Wang21c fatcat:wggbkbi25fg43fieebp4qzlk3m

Association of porcine UCP3 gene polymorphisms with fatness traits in a PietrainJinhua F2 population

Chen Zhe, Zhao Xiaofeng, Hao Zhu, Guo Xiaoling, Jiang Xiaoling, Xu Ningying
2011 African Journal of Biotechnology  
These results indicated that single nucleotide polymorphism of UCP3 gene is potentially associated with fatness traits in pig.  ...  Genotype frequencies were analyzed using polymerase chain reaction restriction fragment length polymorphism (PCR-RFLP) in eight pig breeds (n = 384).  ...  PJF2 progenies were fed till the day of slaughter (223 ± 26.88 days, live weight 80.9 ± 8.61 kg) and then dissected.  ... 
doi:10.5897/ajb10.1846 fatcat:jjpnlbhevrhgzblidyph6cu4mi

Dissecting BFT Consensus: In Trusted Components we Trust! [article]

Suyash Gupta, Sajjad Rahnama, Shubham Pandey, Natacha Crooks, Mohammad Sadoghi
2022 arXiv   pre-print
The growing interest in reliable multi-party applications has fostered widespread adoption of Byzantine Fault-Tolerant (BFT) consensus protocols.  ...  First, we analyze the design of existing Trust-BFT protocols and uncover three fundamental limitations that preclude most practical deployments.  ...  Our final experiment aims to investigate the current performance of trust-bft protocols on both present and future trusted hardware.  ... 
arXiv:2202.01354v2 fatcat:ziqno4ws5rbsldkm7yzxdkcqbq

Bacterial community characterization of water and intestine of the shrimp Litopenaeus stylirostris in a biofloc system

Emilie Cardona, Yannick Gueguen, Kevin Magré, Bénédicte Lorgeoux, David Piquemal, Fabien Pierrat, Florian Noguier, Denis Saulnier
2016 BMC Microbiology  
The current problem with BFT is the difficulty of controlling its bacterial community composition for both optimal water quality and optimal shrimp health.  ...  Results: Analyses of the bacterial community identified in water from BFT and "clear seawater" (CW) systems (control) containing the shrimp Litopenaeus stylirostris revealed large differences in the frequency  ...  PCR amplification was performed prior to sequencing. All of the PCR components were UV-irradiated for 30 min under a UV lamp prior to the addition of Taq polymerase and DNA.  ... 
doi:10.1186/s12866-016-0770-z pmid:27435866 pmcid:PMC4952143 fatcat:ifrevpdtijh53hy63rv3jhofum

Flexible Byzantine Fault Tolerance [article]

Dahlia Malkhi and Kartik Nayak and Ling Ren
2019 arXiv   pre-print
Second, it introduces a notion called Flexible Byzantine Quorums by dissecting the roles of different quorums in existing consensus protocols.  ...  Alive-but-corrupt replicas may arbitrarily deviate from the protocol in an attempt to break safety of the protocol.  ...  Acknowledgement We thank Ittai Abraham and Ben Maurer for many useful discussions on Flexible BFT.  ... 
arXiv:1904.10067v2 fatcat:npzaqhmorngdng3srlytqssjta

High Performance Consensus without Duplication: Multi-pipeline Hotstuff [article]

Taining Cheng
2022 arXiv   pre-print
However, the unifying proposing-voting pattern is not sufficient to improve the bandwidth and concurrency performance of the modern system.  ...  In addition, the delay corresponding to two rounds of message to produce a certified proposal in that scheme is a significant performance bottleneck.  ...  Throughput and Latency Analysis Considering the study on dissecting the chained-BFT performance [15] , the life-cycle of the manner in which a block can be certified was analyzed to obtain the correlation  ... 
arXiv:2205.04179v4 fatcat:l2hycfzwevhotlxluqez6wmk7q

CIDE gene expression in adipose tissue, liver, and skeletal muscle from obese and lean pigs

Yue-qin Qiu, Xue-fen Yang, Xian-yong Ma, Yun-xia Xiong, Zhi-mei Tian, Qiu-li Fan, Li Wang, Zong-yong Jiang
2017 Journal of Zhejiang University SCIENCE B  
Finally, data from correlation analysis further found that CIDE mRNA expression was positively correlated with back fat thickness (BFT), abdominal fat mass (AFM), and the levels of NEFA, TAG, and glucose  ...  The expression of the cell death-inducing DNA fragmentation factor α-like effector (CIDE) family including Cidea, Cideb, and Cidec was significantly increased in mouse and human models of obesity.  ...  The left-side carcass was dissected into abdominal fat following the procedure of Walstra and Merkus (1995) .  ... 
doi:10.1631/jzus.b1600294 pmid:28585425 pmcid:PMC5482044 fatcat:cqedslewzfaatpiaidooytsfdy

Effects of dietary chromium supplementation on performance, carcass characteristics, and meat quality of growing-finishing swine: A meta-analysis1

J. Sales, F. Jančík
2011 Journal of Animal Science  
However, directions of mean effect sizes were not changed by application of the trim-and-fill method to correct for bias.  ...  However, effects of Cr supplementation on performance and economically important carcass and meat quality characteristics varied considerably among studies.  ...  Color version available in the online PDF. rate of dissected fat tissue was not associated with a decrease in backfat measurements.  ... 
doi:10.2527/jas.2010-3495 pmid:21788425 fatcat:vls4b6fr4barrgvgzkgdb7ywci

Performance of Different Biomaterials as Carbon Sources on the Immunological Response and Oxidative Status of African Catfish Clarias gariepinus in Biofloc Systems

Omoniyi Michael Popoola, Oyelade Ayomide Miracle
2021 Aquaculture Studies  
A trial was performed to investigate how carbon sources can affect the welfare status of African catfish (3.8±0.2g and 8±0.11 cm) juveniles in biofloc systems.  ...  The study shows that the welfare status with reference to digestive enzymes activity, oxidative status and extent of the immune system stimulation in BFT system is carbon source dependent.  ...  Acknowledgements The authors thank Mr Ojuola M and Ali A of the Department of Fisheries and Aquaculture Technology, and Mr Festus of Department of Biochemistry, Federal University of Technology Akure,  ... 
doi:10.4194/aquast800 fatcat:xhpr5kvirvcrvforpycbg3rqou
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