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Data center network energy consumption and service quality optimization method based on reinforcement learning

A data center network and reinforcement learning technology, applied in the field of computer networks, can solve the problems of not fully considering the diversity of DCN traffic types, not being able to promote well, and reducing QoS, so as to save power, improve effectiveness, and improve energy efficiency. Effect

Active Publication Date: 2020-08-18
BEIJING INSTITUTE OF TECHNOLOGYGY
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AI Technical Summary

Problems solved by technology

[0004] However, the existing traffic scheduling schemes have the following two deficiencies: First, rough integration schemes may lead to service QoS degradation
Second, the existing solutions do not fully consider the diversity of DCN traffic types, and the adaptability is poor
However, using these two features to obtain an optimized merging scheme results in high computational complexity
Most of the existing schemes only give some fixed models, which cannot be well extended to most situations

Method used

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Embodiment Construction

[0020] Examples are given below to describe the present invention in detail.

[0021] The method for optimizing energy consumption and quality of service of a data center network based on reinforcement learning provided by the present invention has the basic idea of: using a deep reinforcement learning framework (DRL framework) to establish an optimization model for energy consumption and quality of service of a data center network; The historical data of the traffic and network performance of each link in the network constructs a training sample set for the data center network energy consumption and service quality optimization model, and uses this sample set to complete the training of the data center network energy consumption and service quality optimization model. During the deployment process, input the current traffic and network performance characteristics of the data center network to be optimized into the optimization model obtained through training to obtain the link...

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Abstract

The invention discloses a data center network energy consumption and service quality optimization method based on reinforcement learning. The method comprises the steps of constructing data center network energy consumption and service quality optimization model based on a deep reinforcement learning framework; respectively taking the link utilization rate, the completion time related performancecalculated by the network performance and the link margin ratio as the state, reward and action of the optimization model; and then adjusting the flow of the data center network according to the linkmargin ratio output by the optimization model, so that the time volatility of the data flow and the spatial distribution characteristic of the data flow are both considered in the adjustment process,and the energy efficiency of the data center network is improved while the FCT is ensured.

Description

technical field [0001] The invention belongs to the technical field of computer networks, and in particular relates to a data center network energy consumption and service quality optimization method based on reinforcement learning. Background technique [0002] High power consumption in data centers has become a major problem for data center operators. Recent studies show that electricity consumption by U.S. data centers is expected to reach 139 billion kWh in 2020. In a data center, a data center network (DCN) consisting of switches and links consumes about 10% to 20% of the total energy consumption. Traffic in DCNs can generally be divided into two categories: delay-sensitive traffic and delay-tolerant traffic, where delay-sensitive traffic is mainly traffic for delay-sensitive services (such as web search), which is generally small (from a few KB to MB) , and has a clear data flow completion time (FCT) limit; and delay tolerant traffic is usually large (hundreds of MB ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24G06F1/32G06N3/08
CPCG06F1/32G06N3/08H04L41/50H04L41/5019
Inventor 郭泽华孙鹏浩窦松石张云天韩宁夏元清
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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