基于云計算的廣域量測系統(tǒng)數據存儲與安全方法研究
[Abstract]:As an important part of smart grid architecture, wide area measurement system (WAMS) determines the security of the whole smart grid to a large extent by the security of its data. With the popularization of wide area measurement system, more and more data will be generated by smart grid wide area measurement system. The traditional data storage method is under more and more pressure. The distributed file system (HDFS) on Hadoop platform can solve these problems effectively. At the same time, although HDFS on Hadoop platform has significant advantages in data sharing and storage, the security problems it brings can not be ignored. Therefore, ensuring the security of smart grid wide area measurement data becomes an urgent problem to be solved when storing data in smart grid wide area measurement system. Data encryption technology is the most basic method to protect data confidentiality, which has important practical significance to ensure the security of data in smart grid storage platform. In this paper, the storage and security problems of wide area measurement system are deeply studied, and the following work is accomplished: firstly, the characteristics of wide area measurement system data are deeply analyzed. In view of the large amount of data in wide-area measurement system, HDFS is introduced for distributed storage. At the same time, two aspects of data integrity verification and privacy protection are deeply studied in view of the high security requirements of data. Secondly, aiming at the problems of large amount of data, high requirement of real-time data and strong requirement of data security in wide-area measurement system, a cloud computing platform for wide-area measurement system of smart grid is designed. On this basis, aiming at the security problems faced by data stored in the cloud, the scheme is designed from two aspects of data privacy protection and integrity verification. Aiming at the problem of data privacy protection, the data encryption scheme of wide-area measurement system based on Storm cloud computing technology is presented by using encryption technology and parallel design of traditional AES algorithm. This scheme can satisfy the requirement of fast and parallel data encryption for wide area measurement system. Aiming at the problem of data integrity verification, a single audit and batch audit scheme based on trusted third party is presented, and the security of the scheme is verified. Finally, in order to realize the distributed storage and fast query of files, Hadoop cluster and HBase distributed database are built. At the same time, Storm-on-yarn, is installed on the Storm platform to verify the low processing delay of parallel AES algorithm. Speed, etc.
【學位授予單位】:華北電力大學
【學位級別】:碩士
【學位授予年份】:2016
【分類號】:TP333;TP309.2
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