February 20, 2021

Beyond Consensus in Permissioned Ledgers – Alysson Bessani, University of Lisbon



Permissioned ledgers such as Fabric employ consensus to avoid central points of failures without endangering the blockchain consistency. Much attention has been given to consensus algorithms, their scalability, performance, and fault model (crash or Byzantine). However, much less attention has been paid to auxiliary protocols such as state transfer and reconfiguration, that any consensus “engine” must also support.

In this talk, I’ll discuss some essential performance and scalability aspects of some well-known crash and Byzantine fault-tolerant consensus protocols such as Raft and PBFT, illustrate some limitations of these protocols when recovering crashed nodes and reconfiguring the group, and show how to cope with these limitations.

The last part of the talk will report the experience of my team on the design and implementation of the first Byzantine fault-tolerant orderer service for Fabric 1.1, showing how the issues above affected our system and pointing some features that should be considered if this project wants to avoid them. Finally, I’ll finish the presentation with some suggestions for making Fabric more friendly to new ordering service implementations.

Nguồn: https://liberty2010.org/

Xem thêm bài viết khác: https://liberty2010.org/game/

in Game
Related Posts

NHL Classics: Detroit Red Wings vs. Chicago Blachawks | 5/29/13 | NBC Sports

July 27, 2020

July 27, 2020 6

Take a walk down memory lane to relive the Game 7 classic between the Detroit Red Wings and the Chicago...

Emin Gün Sirer on the Steem Takeover, Limitations of Current Consensus Models, and Avalanche

July 24, 2020

July 24, 2020 5

I had the pleasure of speaking with Emin Gün Sirer, AVALabs CEO, on the recent attempted takeover of the Steem...

Fallout 3: Operation Anchorage Review

July 25, 2020

July 25, 2020 28

Fallout 3: Operation Anchorage Review **This title was provided to me free of charge from the publisher to review for...

Test Thử Render Video 4K Và Chơi GAME Max Setting Trên PC 35 Triệu | Cuộc Sống Miền Núi Vlogs

July 18, 2020

July 18, 2020 40

Test Thử Render Video 4K Và Chơi GAME Max Setting Trên PC 35 Triệu | Cuộc Sống Miền Núi Vlogs...

[8] Beyond Twilight (Let's Play The Legend of Zelda: Twilight Princess HD w/ GaLm)

July 27, 2020

July 27, 2020 32

————————————————————————————————- “What is The Legend of Zelda: Twilight Princess?” ————————————————————————————————- “The Legend of Zelda: Twilight Princess is an action-adventure game...

1. Evolution of Sex and Reproductive Strategies

July 23, 2020

July 23, 2020

Global Problems of Population Growth (MCDB 150) Reproduction is not simple or easy, nor is it fair. Females often bear...

Finding Dory Memory Match Game from Spin Master

July 25, 2020

July 25, 2020 1

Finding Dory Memory Match Game! Fun matching game from Spin Master! 72 tiles with pictures of movie characters Dory, Nemo,...

I Finally Won The Impossible Ring Toss Carnival Game!

July 26, 2020

July 26, 2020 44

I play this new carnival ring toss game that’s much harder than one’s I’ve played here before! I FINALLY win...

Distributed Consensus and Data Replication strategies on the server

July 20, 2020

July 20, 2020 34

We talk about the Master Slave replication strategy for reliability and data backups. This database concept is often asked in...

Bingo DreamZ – Free Online Bingo Games & Slots for Android

July 25, 2020

July 25, 2020 5

Bingo DreamZ – Free Online Bingo Games & Slots for Android ►SHARE, LIKE, SUBSCRIBE! ◄ Google Play Download ► iTunes...

ACADe Drawing Design (Basic/2D) Book's Tutorial | CH5

July 27, 2020

July 27, 2020

বাংলা ভাষায় প্রথম প্রকাশ ‘প্রফেশনাল অটোক্যাড ইলেকট্রিক্যাল ড্রয়িং ডিজাইন (বেসিক/2D)’ বইয়ের চ্যাপ্টারভিত্তিক ভিডিও টিউটোরিয়াল। এটি হচ্ছে পঞ্চম অধ্যায়ের ভিডিও যেখানে...

USA Trench VS HUGE Chinese army ! Operation Anchorage – Fallout Mod

July 23, 2020

July 23, 2020 37

Operation Anchorage has begun ! Go sub to Baron – previous video : Sponsor my channel by becoming a patron?...

Week 5 Consensus NFL Game Picks (Against the Spread)

July 27, 2020

July 27, 2020 5

Welcome to Week 5 of the NFL season. We’re analyzing over 80 industry experts’ game picks to see who are...

Twilight Princess Beta Quest – Blackout Bingo 7:42:19

July 24, 2020

July 24, 2020 13

Important information in description, read before watching the video! If you got any questions, feel free to ask. The meaning...

BTS(방탄소년단) – Outro:Wings[Live Video]

July 22, 2020

July 22, 2020 32

#BTS #WINGS I didn’t make any money for this video, all copyright belong to Bighit Entertainment Purpose is to promote...

Comments

Leave a Reply

Your email address will not be published. Required fields are marked *