Cost and reliability-aware profit optimization method for heterogeneous multi-server systems

By establishing a heterogeneous multi-server system model and a soft error reliability model, and using the penalty function iteration method and 0-1 knapsack problem to optimize the configuration, the problem that the existing technology fails to effectively consider the timeliness of cloud service requests and the impact of soft errors is solved, thereby improving the quality and profit of cloud services.

CN116339990BActive Publication Date: 2025-09-16NANJING UNIV OF SCI & TECH
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Patent Information

Application Number
CN202310308215.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-03-27
Publication Date
2025-09-16
Estimated Expiration
2043-03-27

AI Technical Summary

Technical Problem

Existing technologies fail to effectively consider the heterogeneity of timeliness of cloud service requests and the adverse impact of soft errors on profit maximization when designing multi-server configuration solutions. In addition, most works focus on a single application domain and lack optimization for providing services in multiple application domains.

Method used

A heterogeneous multi-server system model and a soft error reliability model are established. The profit maximization problem is converted into a 0-1 knapsack problem using an iterative method based on a penalty function. The optimal application domain investment strategy is solved using a dynamic programming and greedy algorithm, considering budget and reliability constraints.

Benefits of technology

It improves the quality of cloud services and provider profits, enhances the economic benefits of cloud services, with profits increased by 8.38%, and can efficiently solve the optimal application domain investment strategy.

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Abstract

This invention discloses a cost- and reliability-aware profit optimization method for a heterogeneous multi-server system. The method includes: establishing a heterogeneous multi-server system model to obtain expected service revenue and multi-server system utilization; establishing a soft error reliability model to formulate the application domain investment selection and profit maximization problem as a constrained nonlinear optimization problem; utilizing an iterative method based on a penalty function to obtain the optimal multi-server system configuration, minimum cost, and maximum profit for any single application domain, and converting the profit and configuration optimization problem of the heterogeneous multi-server system into a 0-1 knapsack problem; and utilizing a dynamic programming-based algorithm and a greedy-based algorithm to solve the optimal application domain investment strategy and the corresponding maximum profit. This method can consider budget constraints and the soft error reliability of service requests while configuring the heterogeneous multi-server system configuration, thereby improving cloud service quality and provider profits.
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