Diffusion model-based background traffic generation for power grid digital systems

孙璇; 乔梦妍; 李军; 申立艳; 代海英; 郝楠; 常启诚; 周昊

doi:10.11930/j.issn.1004-9649.202507021

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Diffusion model-based background traffic generation for power grid digital systems

更新时间：2026-02-03

- Diffusion model-based background traffic generation for power grid digital systems
- Vol. 59, Issue 1, Pages: 66-75(2026)
- 作者机构：
  
  1. 北京信息科技大学计算机学院,北京,102206
  2. 国网新源控股有限公司检修分公司,北京,100053
  3. 美国联邦住房贷款抵押公司，美国弗吉尼亚州,22102
  4. 国家工业信息安全发展研究中心工业信息安全感知与评估技术工业和信息化部重点实验室,北京,100040
- 作者简介：
- 基金信息：
- DOI：10.11930/j.issn.1004-9649.202507021
  CLC：
- Published Online：13 January 2026，
  
  Published：13 January 2026
- 稿件说明：
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孙璇, 乔梦妍, 李军, 申立艳, 代海英, 郝楠, 常启诚, 周昊. 基于扩散模型的电网数字化系统背景流量生成[J]. 中国电力, 2026, 59(1): 66-75.

孙璇, 乔梦妍, 李军, et al. Diffusion model-based background traffic generation for power grid digital systems[J]. 2026, 59(1): 66-75.
孙璇, 乔梦妍, 李军, 申立艳, 代海英, 郝楠, 常启诚, 周昊. 基于扩散模型的电网数字化系统背景流量生成[J]. 中国电力, 2026, 59(1): 66-75. DOI： 10.11930/j.issn.1004-9649.202507021.

孙璇, 乔梦妍, 李军, et al. Diffusion model-based background traffic generation for power grid digital systems[J]. 2026, 59(1): 66-75. DOI： 10.11930/j.issn.1004-9649.202507021.

摘要

为解决当前电网通信背景流量生成方法在协议行为建模、时序依赖捕捉及流量类别控制等方面存在的不足，提出一种基于扩散模型和双向流特征（diffusion models and bidirectional flow，DMBF）的背景流量生成方法。通过改进的流量图像化表示（transforming basic flow data into an intuitive picture，FlowPic）机制提取具有方向性、时间性与包长耦合特征的双向会话图像，结合Transformer实现时序建模；引入条件控制机制为不同类别的流量设定生成比例；通过扩散模型生成背景流量。为验证方法的实用性与通用性，在包含公开流量和来源于实际网络环境的通信数据上进行实验，覆盖多个典型业务场景与交互模式。结果表明，DMBF在生成精度与分布一致性上优于传统生成对抗网络方法，JSD降至28.89%，MAE和RMSE分别为26.24%、30.91%。

Abstract

To address the limitations of current background traffic generation methods in power communication—particularly in modeling protocol behaviors

capturing temporal dependencies

and controlling traffic category distributions—this paper proposes a background traffic generation approach based on diffusion models and bidirectional flow (DMBF). By employing transforms basic flow data into an intuitive picture (FlowPic)

we extract bidirectional session images featuring directionality

temporality

and packet-length coupling characteristics. This is combined with a Transformer for temporal modeling. A conditional control mechanism is introduced to adjust the generation ratios of different traffic types

enabling the diffusion model to generate background flows under guided conditions. To evaluate the practicality and generalizability of the proposed method

experiments are conducted on datasets comprising both publicly available traffic samples and real-world network communication data

covering a range of typical business scenarios and interaction patterns. Experimental results show that DMBF outperforms traditional generative adversarial network approaches in terms of generation accuracy and distributional consistency. JSD decreased to 28.89%

with MAE and RMSE at 26.24% and 30.91%

respectively.

关键词

Keywords

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