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http://dx.doi.org/10.17661/jkiiect.2019.12.2.155

A System Recovery using Hyper-Ledger Fabric BlockChain  

Bae, Su-Hwan (Dept. of Computer Science, Soongsil University)
Cho, Sun-Ok (Corp. LIME Company)
Shin, Yong-Tae (Dept. of Computer Science, Soongsil University)
Publication Information
The Journal of Korea Institute of Information, Electronics, and Communication Technology / v.12, no.2, 2019 , pp. 155-161 More about this Journal
Abstract
Currently, numerous companies and institutes provide services using the Internet, and establish and operate Information Systems to manage them efficiently and reliably. The Information System implies the possibility of losing the ability to provide normal services due to a disaster or disability. It is preparing for this by utilizing a disaster recovery system. However, existing disaster recovery systems cannot perform normal recovery if files for system recovery are corrupted. In this paper, we proposed a system that can verify the integrity of the system recovery file and proceed with recovery by utilizing hyper-ledger fabric blockchain. The PBFT consensus algorithm is used to generate the blocks and is performed by the leader node of the blockchain network. In the event of failure, verify the integrity of the recovery file by comparing the hash value of the recovery file with the hash value in the blockchain and proceed with recovery. For the evaluation of proposed techniques, a comparative analysis was conducted based on four items: existing system recovery techniques and data consistency, able to data retention, recovery file integrity, and using the proposed technique, the amount of traffic generated was analyzed to determine whether it was actually applicable.
Keywords
BlockChain; Disaster Recovery; Hyper-Ledger Fabric; Smart Contract; System Recovery;
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