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Egret: A Deep Reinforcement Learning Approach for Optimal Sequential Computation Offloading in Edge Computing


المفاهيم الأساسية
Egret, a deep reinforcement learning-based approach, achieves near-optimal revenue for the edge computing service provider by determining the optimal price and visiting order for clients in a sequential computation offloading mechanism, without requiring clients' private preferences.
الملخص

The paper proposes a novel sequential computation offloading mechanism (SCOM) in edge computing, where the edge computing service provider (ECSP) posts prices of computing resources with different configurations to clients in turn. Clients independently choose which computing resources to purchase and how to offload based on the posted prices, without disclosing their preferences.

To maximize the ECSP's revenue in this SCOM setting, the authors design Egret, a deep reinforcement learning-based approach. Egret determines the optimal price and visiting order online, without considering clients' preferences.

The key highlights are:

  1. Egret achieves near-optimal revenue, only 1.29% lower than the theoretical optimum in the SCOM setting, and 23.43% better than the state-of-the-art in a dynamic SCOM setting where clients arrive dynamically.
  2. Egret employs several techniques to enhance the DRL training, including price ranking, invalid action masking, and state space optimization, which significantly improve the training efficiency and performance.
  3. Extensive experiments demonstrate Egret's superiority over other baselines in both static and dynamic SCOM settings, in terms of revenue, client offloading decisions, and resource utilization.
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الإحصائيات
The average revenue margin of Egret is 31.22% lower than the Oracle solution across different trace lengths. The average revenue margin per step of Egret is around 0.48 across different trace lengths.
اقتباسات
"Egret determines the optimal price and visiting order online without considering clients' preferences." "Experimental results show that the revenue of ECSP in Egret is only 1.29% lower than Oracle and 23.43% better than the state-of-the-art when the client arrives dynamically."

الرؤى الأساسية المستخلصة من

by Haosong Peng... في arxiv.org 04-16-2024

https://arxiv.org/pdf/2404.09285.pdf
Egret: Reinforcement Mechanism for Sequential Computation Offloading in  Edge Computing

استفسارات أعمق

How can the proposed sequential computation offloading mechanism be extended to handle more complex client behaviors, such as strategic bidding or collusion

The proposed sequential computation offloading mechanism can be extended to handle more complex client behaviors, such as strategic bidding or collusion, by incorporating advanced decision-making algorithms and game theory concepts. Strategic Bidding: To address strategic bidding, the mechanism can be enhanced to include a game-theoretic approach where clients strategically bid for resources based on their utility functions and the actions of other clients. This can involve modeling the interaction between clients as a game and optimizing the ECSP's revenue while considering the strategic behavior of the clients. Collusion Detection: To handle collusion among clients, the mechanism can incorporate anomaly detection algorithms to identify abnormal behavior patterns that indicate collusion. By analyzing the historical transaction records and detecting unusual bidding patterns, the mechanism can flag potential collusive activities and adjust the pricing strategy accordingly to prevent revenue loss. Reinforcement Learning with Adversarial Training: Implementing reinforcement learning algorithms with adversarial training can help the mechanism adapt to and counter strategic behaviors and collusion attempts. By training the agent to anticipate and respond to adversarial actions, the mechanism can improve its robustness against complex client behaviors. Dynamic Pricing Strategies: Introducing dynamic pricing strategies that adjust in real-time based on observed client behaviors can also enhance the mechanism's ability to handle strategic bidding and collusion. By continuously learning from interactions and updating pricing policies, the mechanism can optimize revenue while mitigating the impact of client strategies.

What are the potential limitations of the Egret approach, and how can it be further improved to handle more diverse edge computing scenarios

The Egret approach, while effective in maximizing revenue in edge computing scenarios, may have some limitations that could be addressed for further improvement: Scalability: One potential limitation of Egret is scalability, especially when dealing with a large number of clients and resources. To improve scalability, the mechanism could incorporate parallel processing techniques or distributed learning algorithms to handle a higher volume of data and interactions efficiently. Generalization: Egret's performance may vary in diverse edge computing scenarios with different client preferences and resource configurations. Enhancements in generalization capabilities, such as transfer learning or meta-learning, could help Egret adapt to new environments and client behaviors more effectively. Privacy and Security: Ensuring client data privacy and security is crucial in edge computing. Enhancements in privacy-preserving techniques, such as federated learning or differential privacy, can be integrated into Egret to protect sensitive client information while optimizing resource allocation. Real-time Adaptability: Improving Egret's real-time adaptability to dynamic changes in client arrivals and resource availability can enhance its responsiveness and revenue optimization capabilities. Incorporating online learning mechanisms and adaptive algorithms can enable Egret to make timely decisions in dynamic environments.

What are the broader implications of this work for the design of efficient resource allocation mechanisms in other distributed computing paradigms, such as cloud computing or fog computing

The broader implications of this work for the design of efficient resource allocation mechanisms in other distributed computing paradigms, such as cloud computing or fog computing, include: Optimized Resource Utilization: The insights and techniques developed in Egret for sequential computation offloading can be applied to optimize resource allocation in cloud computing environments. By leveraging reinforcement learning and sequential pricing mechanisms, cloud service providers can enhance resource utilization and revenue generation. Dynamic Resource Management: The dynamic sequential computation offloading mechanism can be adapted to fog computing environments to enable efficient resource management at the network edge. By incorporating real-time decision-making and adaptive pricing strategies, fog computing systems can improve service quality and responsiveness for latency-sensitive applications. Adaptive Pricing Strategies: The experience-driven approach of Egret can be extended to design adaptive pricing strategies in cloud and fog computing, enabling providers to dynamically adjust prices based on client demand and resource availability. This can lead to improved revenue generation and customer satisfaction in distributed computing environments. Enhanced Security and Privacy: The privacy-preserving techniques and group strategy-proof mechanisms developed in Egret have implications for enhancing security and privacy in cloud and fog computing. By integrating these mechanisms, distributed computing systems can ensure data confidentiality and integrity while optimizing resource allocation and revenue.
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