Dynamic adaptive secure cloud storage method considering node reliability

A dynamic adaptive and reliable technology, applied in the field of cloud storage security, can solve the problems of large bandwidth consumption, large storage space consumption, difficulty in achieving cloud storage security optimization, etc., and achieve the effect of reducing storage overhead and low redundancy

Active Publication Date: 2016-12-14
HARBIN ENG UNIV
View PDF5 Cites 13 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] (1) The cloud storage system cannot dynamically change the storage location of data blocks according to the reliability of each node (that is, the frequency of node errors is different)
[0006] (2) Some studies use a combination of encryption methods to ensure d

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Dynamic adaptive secure cloud storage method considering node reliability
  • Dynamic adaptive secure cloud storage method considering node reliability

Examples

Experimental program
Comparison scheme
Effect test

specific example

[0049] (1) The user uploads the file to the cloud storage system;

[0050] (2) The preprocessing module of the cloud storage system linearly divides the uploaded file, divides N' block data blocks, and performs network coding to N' block data blocks to form encoded N (assuming N=8) block data block, and N blocks of data blocks are formed into a data block set P (that is, P={N 1 , N 2 ,...,N 8}).

[0051] (3) The evaluation module of the cloud storage system detects the nodes in the system, and uses the node reliability evaluation method (NRE-method) to evaluate the reliability of any node i α i (0i ≤1), assuming that the cloud storage system has four nodes node1, node2, node3, node4, that is, n=4, 01 , α 2 , α 3 , α 4 ;

[0052] (4) The cloud storage system sets the threshold β (00);

[0053] (5) Let the reliability value of the four nodes be α 1 2 3 4 , using the dynamic data storage method (DDS-method) to dynamically store data blocks, assuming that node4 stores 4 d...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention belongs to the field of cloud storage security, and specifically relates to a dynamic adaptive secure cloud storage method considering node reliability. The method provided by the invention comprises the steps that a cloud storage system preprocesses a file uploaded to the cloud by using a preprocessing module; the cloud storage system detects any node by using an evaluation module through a node reliability evaluation method; and a data storage module receives a data block set sent by the preprocessing module. By adopting the method provided by the invention, the historical fault times of a cloud storage node can be detected, a reliability value is set for each node according to a detection result, and resources are dynamically distributed according to the reliability value, so that the data storage security is ensured while meeting the load balancing demand. Transcript storage is carried out on nodes with lower reliability values to ensure lower redundancy than pure copy, so that the storage cost is reduced.

Description

technical field [0001] The invention belongs to the field of cloud storage security, and in particular relates to a dynamic adaptive security cloud storage method considering node reliability. Background technique [0002] With the rapid development of information technology, more and more users choose to store data on the cloud. The cloud storage method breaks through the capacity bottleneck and performance disadvantages brought about by the traditional storage method, and can achieve scale effect and elastic expansion, reduce operating costs, and avoid waste of resources. However, while cloud services bring convenience, cloud data security issues have also attracted widespread attention. Because cloud storage gathers a large number of users and important data resources, it is more vulnerable to attacks. Recently, problems such as illegal intrusion, artificial leakage, and abuse of administrator privileges have often occurred, and data loss or leakage incidents continue t...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): H04L29/08H04L12/26
CPCH04L43/08H04L67/06H04L67/1097
Inventor 郭方方蔡瑶琦吕宏武王慧强朱金美冯光升林俊宇
Owner HARBIN ENG UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap