Abstract
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.
Highlights
It is an important development direction of the world energy technology to promote the proportion of distributed energy system in the energy system and to improve the permeability of new energy with the maturation and perfection of distributed clean energy resources related technology equipment [1]
In view of the problems of traditional data disaster backup schemes, such as overreliance on the third party, inability to implement disaster backup automatically, low security, poor reliability, and low efficiency of data processing, a microgrid data disaster backup scheme based on blockchain is designed in the edge computing environment, which can realize data disaster backup automatically by using Kademlia algorithm
E improved proof of authority (PoA) is used to improve the efficiency of data processing greatly, which can solve the problem of traditional centralized disaster backup and improve the security and reliability of the system
Summary
It is an important development direction of the world energy technology to promote the proportion of distributed energy system in the energy system and to improve the permeability of new energy with the maturation and perfection of distributed clean energy resources related technology equipment [1]. A blockchain-based microgrid data disaster backup scheme is proposed in edge computing environment, which can solve the problem that data loss is difficult to recover and realize distributed data storage and automatic disaster backup. (2) e Kademlia algorithm is used to realize distributed storage and disaster backup of data automatically [8], which can greatly improve the routing query speed compared with other distributed technologies [9]. (1) Some typical application schemes of blockchain technology, edge computing, and traditional data disaster backup are traced back, and their technical characteristics and shortcomings are analyzed. In the edge computing environment, a microgrid data disaster backup scheme based on blockchain is designed, which can realize the distributed storage and the disaster backup of data automatically. (6) e performance evaluation shows the reliability, efficiency, and practicability of this scheme
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