Mixed tax administration data security protecting method based on erasure code and multi-copy

A security protection, multi-copy technology, applied in the field of computer data management, can solve the problems of low data reconstruction performance and large storage overhead, and achieve the effect of making up for data loss, ensuring security, and improving data recovery performance

Active Publication Date: 2017-05-24
INST OF SOFTWARE APPL TECH GUANGZHOU & CHINESE ACAD OF SCI
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Problems solved by technology

But multi-copy fault tolerance also has a very prominent disadvantage: high storage overhead
However, the disadvantage of erasure codes is that the performance of data reconstruction is low, especially in ...

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  • Mixed tax administration data security protecting method based on erasure code and multi-copy
  • Mixed tax administration data security protecting method based on erasure code and multi-copy
  • Mixed tax administration data security protecting method based on erasure code and multi-copy

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Embodiment Construction

[0059] In order to make the above objects, features and advantages of the present invention more comprehensible, the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be pointed out that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all those skilled in the art can obtain without creative work. Other embodiments all belong to the protection scope of the present invention.

[0060] like figure 1 As shown, a hybrid tax big data security protection method based on erasure codes and multiple copies, when the tax data in the tax data distributed storage system is normal, the multi-copy and erasure code storage method storage process of tax data is started;

[0061] When the tax data in the tax data distributed storage system fails, start the tax data fa...

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Abstract

The invention discloses a mixed tax administration data security protecting method based on erasure code and multi-copy. The method comprises the following steps: while the tax administration data of a tax administration data distributed storage system is normal, starting the multi-copy and erasure code storage mode storage flow of the tax administration data; and while the tax administration data of the tax administration data distributed storage system is failure, starting the tax administration data fault-tolerance processing flow. The method is capable of executing the sub-mode storage by using the tax administration data features of different times, distributing the erasure coding task to different nodes, using the mode of copy first and erasure code second, comprehensively improving the security of the whole tax administration data and the data recovery performance, improving the coding performance of the whole system, and guaranteeing the data security before finishing the erasure coding.

Description

technical field [0001] The invention relates to the technical field of computer data management, in particular to a security protection method for hybrid tax big data based on erasure codes and multiple copies. Background technique [0002] With the economic globalization and the continuous in-depth development of my country's economy, the number of taxpayers in my country has grown rapidly and the types of taxes have become more abundant. Facing the increasingly large tax data, distributed storage is a mainstream storage solution with high cost performance and scalability. For tax data, its data security in a distributed storage environment is a key point worth studying. A distributed storage system contains a large number of nodes, and node failure or external intrusion may lead to incomplete data. In order to avoid data loss, a fault tolerance method based on redundant data is usually adopted. There are two main types of redundant fault tolerance: one is multi-copy fault...

Claims

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Application Information

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IPC IPC(8): G06F11/10G06F11/14G06F21/62
CPCG06F11/10G06F11/1446G06F21/6218
Inventor 崔莹陈升东陈健彬
Owner INST OF SOFTWARE APPL TECH GUANGZHOU & CHINESE ACAD OF SCI
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