Paper Info
Title
Single Node Repair Algorithm For A Multimedia Cloud Storage System Based On Network Coding
Abstract
Multimedia is inconvenient to use, difficult to maintain, and redundant in data storage. In order to solve the above problems and apply cloud storage to the integration of university teaching resources, this paper designs a virtualized cloud storage platform for university multimedia classrooms. The platform has many advantages, such as reducing the initial investment in multimedia classrooms, simplifying management tasks, making maximum use of actual resources and easy access to resources. Experiments and analysis show the feasibility and effectiveness of the platform. Aiming at the problems of the single-node repair algorithm of the existing multimedia cloud storage system, the limited domain is large, the codec complexity is high, the disk I/O (Input/Output) cost is high, the storage overhead and the repair bandwidth are unbalanced, and a network coding-based approach is proposed. Multimedia cloud storage. System single node repair algorithm. The algorithm stores the grouped multimedia file data in groups in the system, and performs XOR (exclusive OR) on the data in the group on the GF(2) finite field. When some nodes fail, the new node only needs to be connected. Two to three non-faulty nodes in the same group can accurately repair the data in the failed node. Theoretical analysis and simulation results show that the algorithm can reduce the complexity and repair of the codec, and reduce the disk I/O overhead. In this case, the storage cost of the algorithm is consistent with the storage cost based on the minimum storage regeneration code algorithm, and the repair bandwidth cost is close to the minimum bandwidth regeneration code algorithm.
Year
DOI
Venue
2021
10.3233/JHS-210661
JOURNAL OF HIGH SPEED NETWORKS
Keywords
DocType
Volume
Multimedia, cloud storage, network coding, single node repair, Internet
Journal
27
Issue
ISSN
Citations 
3
0926-6801
0
PageRank 
References 
Authors
0.34
0
2
Name
Order
Citations
PageRank
Xin Niu15611.39
Jingjing Jiang200.34