Efficient and DoS-resistant Consensus for Permissioned Blockchains

Author:

Chen Xusheng1,Zhao Shixiong1,Qi Ji1,Jiang Jianyu1,Song Haoze1,Wang Cheng2,On Li Tsz1,Hubert Chan T-H.1,Zhang Fengwei3,Luo Xiapu4,Wang Sen5,Zhang Gong5,Cui Heming1

Affiliation:

1. The University of Hong Kong

2. The University of Hong Kong & Huawei Technologies

3. Southern University of Science and Technology

4. The Hong Kong Polytechnic University

5. Huawei Technologies

Abstract

Existing permissioned blockchain systems designate a fixed and explicit group of committee nodes to run a consensus protocol that confirms the same sequence of blocks among all nodes. Unfortunately, when such a system runs on a large scale on the Internet, these explicit committee nodes can be easily turned down by denialof- service (DoS) or network partition attacks. Although recent studies proposed scalable BFT protocols that run on a larger number of committee nodes, these protocols' efficiency drops dramatically when only a small number of nodes are attacked.

Publisher

Association for Computing Machinery (ACM)

Subject

Computer Networks and Communications,Hardware and Architecture,Software

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5. Xusheng Chen , Shixiong Zhao , Ji Qi , Jianyu Jiang , Haoze Song , Cheng Wang , Tsz On Li , TH Hubert Chan, Fengwei Zhang, Xiapu Luo, et al. 2021 . Efficient and DoS-resistant Consensus for Permissioned Blockchains. Performance Evaluation ( 2021), 102244. Xusheng Chen, Shixiong Zhao, Ji Qi, Jianyu Jiang, Haoze Song, Cheng Wang, Tsz On Li, TH Hubert Chan, Fengwei Zhang, Xiapu Luo, et al. 2021. Efficient and DoS-resistant Consensus for Permissioned Blockchains. Performance Evaluation (2021), 102244.

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