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Cloud Storage stable storage mechanism open network resources Research and Implementation

Author: CaoZeXin
Tutor: XieXia
School: Huazhong University of Science and Technology
Course: Computer Software and Theory
Keywords: Cloud Storage Mail Transfer Protocol Letter Storage Services
CLC: TP333
Type: Master's thesis
Year: 2011
Downloads: 55
Quote: 0
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Abstract


Explosive growth of data storage services and storage space for the increasingly high demand , many distributed storage system operators invest a lot of money to buy storage devices , making the system operational and maintenance costs greatly increased. However, a lot of open network on the network storage resources has not been fully rational application of this enormous waste of storage resources. Storage systems need to be fully integrated and rational utilization of idle resources on the network to provide users with storage services , thereby greatly reducing the system's operation and maintenance costs. System uses an open network storage services and integration, to provide users with reliable permanent storage services. The user is no longer facing a single point of storage services , but distributed storage service on the Internet groups and user groups , a single failure will not affect the system storage service availability. The system design process using a hierarchical design, reduce system coupling between the modules . Interface provided by the use of the lower upper , lower for the upper to provide services , linkages between the layers , isolated from each other to jointly set up the entire system. System presents several core algorithms: the user data encryption and decryption algorithms, thus ensuring the network user data confidentiality during transmission ; data on remote servers for precise positioning algorithm, so that when the user needs to access the data, can effectively save the data on the remote server lookup time ; the transmission failed task for a certain process , thereby reducing the probability of transmission failure of the task . System test results show that the system can properly communicate with the remote server , thereby performing data transmission. Locate data on a remote server lookup algorithm reduces the system to obtain data of the time when a lot of user data on a remote server , its data lookup time occupied by very much. The use of data positioning search algorithm , when the system to obtain a large data set , the data acquisition time reduced by 20% ; when the system is relatively small data access , the data acquisition time can be reduced by 54%.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Electronic digital computer (not a continuous role in computer ) > Memory
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