Weighted RAFT: An Improved Blockchain Consensus Mechanism for Internet of Things Application

The integration of blockchain technology and RAFT consensus algorithm could address many of the IoT application security and privacy issues. However, each node in RAFT consensus has equivalent probability of being elected as a leader, which takes no consideration on the communication and computing s...

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Published in:2021 7th International Conference on Computer and Communications (ICCC) pp. 1520 - 1525
Main Authors: Xu, Xiaojun, Hou, Lu, Li, Yankai, Geng, Yunxin
Format: Conference Proceeding
Language:English
Published: IEEE 10.12.2021
Subjects:
Blockchain
Consensus algorithm
Costs
IoT
leader election
Logic gates
Privacy
Simulation
Voting
weighted RAFT
Wireless communication
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Abstract The integration of blockchain technology and RAFT consensus algorithm could address many of the IoT application security and privacy issues. However, each node in RAFT consensus has equivalent probability of being elected as a leader, which takes no consideration on the communication and computing status of the node. Therefore, in this paper, we propose a weighted RAFT consensus algorithm for IoT applications, which allows IoT gateway with better capacity to have a higher possibility of being elected as the leader compared to the normal RAFT mechanism. Thus, the latency of uploading IoT data on blockchain can be reduced a lot. Simulation results show that the weighted RAFT can reduce the system forwarding latency by 24% at most.
AbstractList The integration of blockchain technology and RAFT consensus algorithm could address many of the IoT application security and privacy issues. However, each node in RAFT consensus has equivalent probability of being elected as a leader, which takes no consideration on the communication and computing status of the node. Therefore, in this paper, we propose a weighted RAFT consensus algorithm for IoT applications, which allows IoT gateway with better capacity to have a higher possibility of being elected as the leader compared to the normal RAFT mechanism. Thus, the latency of uploading IoT data on blockchain can be reduced a lot. Simulation results show that the weighted RAFT can reduce the system forwarding latency by 24% at most.
Author Xu, Xiaojun
Li, Yankai
Geng, Yunxin
Hou, Lu
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  givenname: Yunxin
  surname: Geng
  fullname: Geng, Yunxin
  organization: Beijing University of Posts and Telecommunications,Intelligent Computing and Communications Lab, Key Lab of Universal Wireless Communications, Ministry of Education,Beijing,China
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Snippet The integration of blockchain technology and RAFT consensus algorithm could address many of the IoT application security and privacy issues. However, each node...
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SubjectTerms Blockchain
Consensus algorithm
Costs
IoT
leader election
Logic gates
Privacy
Simulation
Voting
weighted RAFT
Wireless communication
Title Weighted RAFT: An Improved Blockchain Consensus Mechanism for Internet of Things Application
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