ISEL - Eng. Gest. Ind. - Dissertações de Mestrado
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Browsing ISEL - Eng. Gest. Ind. - Dissertações de Mestrado by advisor "Osório, António Luís Freixo Guedes"
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- Mitigation of the bullwhip effect using distributed ledger and confidential computing technologiesPublication . Matos, António Duarte Neves Parreira de; Abreu, António João Pina da Costa Feliciano; Osório, António Luís Freixo GuedesAbstract The Modern supply chain management faces a range of challenges, including globalization obligations, material disruptions, increasing regulatory pressure, or increasing technological requirements. Among these challenges, demand variability stands out due to its significant impact on operations management, particularly in an increasingly VUCA (Volatility, Uncertainty, complexity, Ambiguity) environment. As companies navigate this complex landscape, the need for accurate forecasting becomes crucial to effectively manage stocks, reduce disruptions, and optimize operational efficiency. This thesis explores the application of blockchain technology combined with confidential computing to enhance traditional forecasting methods and mitigate the bullwhip effect— a phenomenon where significative fluctuations in consumer demand lead to increasingly larger variations in orders along the supply chain. By enabling a secure, anonymous, and reliable sharing of real-time data among supply chain participants, these technologies offer promising mechanisms to improve stock management, reduce operational costs, and prevent demand disruptions. The simulation demonstrated an improvement in forecasts always exceeding 14% and potentially surpassing the 100% mark across various tested scenarios, along with a significant enhancement in stock management efficiency. The study demonstrates that integrating blockchain and confidential computing into supply chain management can significantly enhance the accuracy of demand forecasts while maintaining data privacy and security, ultimately contributing to more resilient and agile supply chain operations.