A Blockchain-Based Microgrid Data Disaster Backup Scheme in Edge Computing | Zendy

Lihua Zhang | Zendy; Yu Cao | Zendy; Ganzhe Zhang | Zendy; Yang Huang | Zendy; Zheng Chen | Zendy

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A Blockchain-Based Microgrid Data Disaster Backup Scheme in Edge Computing

Author(s) -

Lihua Zhang,

Yu Cao,

Ganzhe Zhang,

Yang Huang,

Zheng Chen

Publication year - 2021

Publication title -

security and communication networks

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.446

H-Index - 43

eISSN - 1939-0114

pISSN - 1939-0122

DOI - 10.1155/2021/9121571

Subject(s) - backup , computer science , microgrid , encryption , enhanced data rates for gsm evolution , edge computing , computer network , data loss , scheme (mathematics) , data security , cloud computing , computer security , distributed computing , database , operating system , telecommunications , mathematical analysis , control (management) , mathematics , artificial intelligence

In view of the problems of low security, poor reliability, inability to backup automatically, and overreliance on the third party in traditional microgrid data disaster backup schemes based on cloud backup, the edge computing is used to preprocess power big data, and a microgrid data disaster backup scheme based on blockchain in edge computing environment is proposed in this paper. First, the honey encryption (HE) technology and advanced encryption standard (AES) are combined to propose a new encryption algorithm HE-AES, which is used to encrypt the preprocessed data. Second, the Kademlia algorithm is embedded in the edge server to realize the distributed storage and automatic recovery of microgrid data. Finally, the traditional proof of authority (PoA) consensus mechanism is improved partially, and the improved PoA is used to make each node reach consensus and pack blocks on the chain. The scheme can not only realize the data disaster backup automatically but also has high efficiency of data processing, which can provide a new idea for improving the current data disaster backup schemes.

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