A Deep Reinforcement Learning Framework for Optimizing Congestion Control in Data Centers

• URL: http://arxiv.org/abs/2301.12558v1
• Date: Sun, 29 Jan 2023 22:08:35 GMT
• Title: A Deep Reinforcement Learning Framework for Optimizing Congestion Control in Data Centers
• Authors: Shiva Ketabi, Hongkai Chen, Haiwei Dong, Yashar Ganjali
• Abstract summary: Various congestion control protocols have been designed to achieve high performance in different network environments. Modern online learning solutions that delegate the congestion control actions to a machine cannot properly converge in the stringent time scales of data centers. We leverage multiagent reinforcement learning to design a system for dynamic tuning of congestion control parameters at end-hosts in a data center.
• Score: 2.310582065745938
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Various congestion control protocols have been designed to achieve high performance in different network environments. Modern online learning solutions that delegate the congestion control actions to a machine cannot properly converge in the stringent time scales of data centers. We leverage multiagent reinforcement learning to design a system for dynamic tuning of congestion control parameters at end-hosts in a data center. The system includes agents at the end-hosts to monitor and report the network and traffic states, and agents to run the reinforcement learning algorithm given the states. Based on the state of the environment, the system generates congestion control parameters that optimize network performance metrics such as throughput and latency. As a case study, we examine BBR, an example of a prominent recently-developed congestion control protocol. Our experiments demonstrate that the proposed system has the potential to mitigate the problems of static parameters.

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