Privacy-preserving coordinated operation of cross-enterprise data centers

Jingjun Sun, Yuejun Yan, Zhaoyang Wang, Jiahao Ma and Yi Wang

Applied Energy, 2025, vol. 383, issue C, No S030626192500073X

Abstract: As critical digital infrastructures, data centers are often built with idle computing resources to reliably support large amounts of computational workload. The utilization of those idle resources is restricted by affiliations of data centers and can be enhanced if we allocate workload coordinately to data centers of different enterprises. Besides, conventional centralized optimization, collecting detailed information of data center status as boundaries, cannot be adopted here due to privacy concerns. Considering these issues, this paper presents a privacy-preserving coordinated operation tailored for cross-enterprise data centers. This approach integrates the alternating direction method of multipliers (ADMM) and homomorphic encryption within a distributed algorithm, ensuring privacy-preserving collaborated optimization. To appropriately distribute interests within the operation, a quotation mechanism inspired by the Vickrey–Clarke–Groves (VCG) mechanism is introduced. Case studies verify that the proposed framework significantly reduces the total actual cost by 37.58% under a specific workload level. The cost reduction or net profit for each participating enterprise is also guaranteed, validating the efficacy and practicality of the proposed framework.

Keywords: Data center; Distributed optimization; Homomorphic encryption; Vickrey–Clarke–Groves mechanism (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1016/j.apenergy.2025.125343

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