Extending the BR2K technique to enhance the robustness of blockchain application services (블록체인 응용 서비스의 견고성을 제고하기 위한 확장된 BR2K 기법)

Min-Ho Kwon (권민호); Myung-Joon Lee (이명준)

doi:10.9708/jksci.2022.27.02.125

Extending the BR2K technique to enhance the robustness of blockchain application services

Journal of The Korea Society of Computer and Information
Abbr : JKSCI
2022, 27(2), pp.125-134
DOI : 10.9708/jksci.2022.27.02.125
Publisher : The Korean Society Of Computer And Information
Research Area : Engineering > Computer Science
Received : January 4, 2022
Accepted : January 20, 2022
Published : February 28, 2022

Min-Ho Kwon ¹, Myung-Joon Lee ¹

¹울산대학교

Accredited

ABSTRACT

In this paper, we propose an extension method of the BR2K technique for enhancing the robustness of blockchain application services. The BR2K (Blockchain application, Replication & Recovery technique using Kubernetes) technique was recently developed to support the robustness of blockchain services through service replication and rapid restart. The proposed technique extends the existing BR2K technique to provide a state version, which is meta-information about the service state, and a method for safely managing it, and use the state version to determine the timing for service state recovery. Also, the technique provides systematic service state backup for service recovery and joining of new service nodes by utilizing the version information and the service registry which acts as a service recovery center in the BR2K technique. Based on this, it is possible to support new service nodes to join the replication service with consistency. As a result, new service nodes can be quickly added to the BR2K service in operation, enhancing the robustness of the BR2K service. In addition, the extended method is applied to the pilot blockchain application service and tested in a Kubernetes environment composed of virtual machines to confirm the validity of service replication consistency and rapid service recovery in the event of node failures.

KEYWORDS

Blockchain Service, Service Robustness, Service Replication, Service Recovery, BR2K

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* References for papers published after 2023 are currently being built.

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This paper was written with support from the National Research Foundation of Korea.

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Journal of The Korea Society of Computer and Information 2023 KCI Impact Factor : 0.65

Extending the BR2K technique to enhance the robustness of blockchain application services

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Citation status

* References for papers published after 2023 are currently being built.

Journal of The Korea Society of Computer and Information 2023 KCI Impact Factor : 0.65

Extending the BR2K technique to enhance the robustness of blockchain application services

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KEYWORDS

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* References for papers published after 2023 are currently being built.