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DPoS-based cloud data traceability blockchain consensus mechanism improvement method

A data traceability, blockchain technology, applied in digital transmission systems, encryption devices with shift registers/memory, electrical components, etc., can solve problems such as affecting consensus efficiency, large resource consumption, and increased resource consumption.

Active Publication Date: 2020-09-18
HARBIN ENG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

CloudPoS can currently serve the BlockCloud cloud data traceability model normally, but it has the problem of excessive resource consumption. As the number of cloud nodes participating in the consensus increases, the resource consumption caused by the consensus will increase sharply, which will seriously affect the consensus efficiency.

Method used

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  • DPoS-based cloud data traceability blockchain consensus mechanism improvement method
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  • DPoS-based cloud data traceability blockchain consensus mechanism improvement method

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Embodiment Construction

[0050] The present invention will be further described below in conjunction with the accompanying drawings.

[0051] The method for improving the consensus mechanism of the cloud data traceability block chain provided by the present invention is realized through the following steps:

[0052] 1) According to the number of cloud computing resources contributed by users to participate in the consensus process, the election of nodes is carried out, and the set of nodes participating in the consensus process is divided into three subsets: witness nodes, participant nodes and transaction nodes;

[0053] 2) The block chain system starts the block generation and consensus process, and the nodes in the witness node set generate new blocks sequentially according to their order in the set and submit them to the participant nodes for inspection. If more than 50% of the nodes are checked correctly, repeat the process of step 2) until the timer expires and proceed to the process of step 1) ...

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Abstract

The invention belongs to the technical field of consensus mechanisms in blockchains, and particularly relates to a DPoS-based cloud data traceability blockchain consensus mechanism improvement method.According to the method, cloud computing resources are quantified into rights and interests in a DPoS consensus mechanism, a biased timer similar to Raft consensus is started for each node accordingto the magnitude of the rights and interests, and voting results are dispersed; a 'one-man one-vote' voting method is used, so that the node election efficiency is improved, and meanwhile, the election probability of high-quality cloud resource owners is ensured; a feedback mechanism is introduced in the consensus process, so that more than 50% of blocks which are not accepted by nodes are found in the consensus process, the node election process is immediately restarted, and the correctness of block generation is ensured. According to the method, less resources are consumed in the consensus process, under the condition of large-scale nodes, the consensus speed is higher, the consensus speed is not easily influenced by the number of the nodes, and the method can better serve a data traceability model BlockCloud oriented to cloud computing.

Description

technical field [0001] The invention belongs to the technical field of consensus mechanisms in block chains, and in particular relates to a DPoS-based method for improving cloud data source tracing block chain consensus mechanisms. Background technique [0002] The consensus mechanism is the most critical element in the blockchain system as a whole, and its efficiency directly determines the performance of the blockchain system. Although the PoW consensus mechanism currently serves blockchain environments such as Bitcoin and Ethereum safely and stably, it has been criticized for its huge consumption of resources and the long time it takes to produce blocks. The PoS consensus mechanism was created to solve the problem of excessive resource consumption by PoW consensus. Although it can greatly alleviate the resource consumption problem of mining, its consensus speed is still not fast enough. The DPoS consensus mechanism is an improved version of the PoS consensus mechanism. C...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L29/06H04L9/06
CPCH04L67/10H04L63/0428H04L9/0643H04L63/08H04L9/50
Inventor 杨武玄世昌王巍苘大鹏吕继光陈治瑀
Owner HARBIN ENG UNIV
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