최근 스마트 제조 분야에서는 디지털 전환과 함께 데이터의 무결성 및 신뢰성 확보가 필수적으로 요구되고 있다. 그러나 기존 중앙집중형 구조는 위변조 및 보안 취약점을 지니며, 이기종 프로토콜 환경은 상호운용성을 저하시킨다. 이를 해결하기 위해 본 논문은 블록체인 기반 산업 디지털 전환(IDX) 플랫폼 아키텍처를 제안한다. 제안 모델은 온체인-오프체인 하이브리드 저장 구조와 NFT 기반 신뢰 증빙 계층을 결합하여 대용량 제조 데이터의 무결성 및 출처 추적성을 확보하였다. 또한, OPC UA, MQTT, gRPC, REST 프로토콜을 통합하는 데이터 파이프라인을 구축하여 이기종 환경에서의 호환성을 개선하였다. 실험 결과, 제안한 아키텍처는 우수한 처리량(Throughput)과 함께 데이터 신뢰성 확보 측면에서 높은 안정성을 가진다.
KSP Keywords
OPC UA
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