用简单方法监测网络状态,无需复杂模型即可发现潜在问题。
Benchmarking the State of Networks with a Low-Cost Method Based on Reservoir Computing
- 用储层计算框架处理匿名网络数据,构建轻量级监测模型。
- 模型性能下降时对应网络状态异常,可识别脆弱节点。
- 适合实时监控通信与交通网络,成本低且不依赖训练数据。
基于挪威移动网络使用数据,我们展示了一种非侵入式、低成本的网络状态监测方法。该方法将网络数据转化为储层计算框架下的模型,并通过代理任务评估其性能。实验表明,模型表现与网络状态密切相关。该方法利用每日多次快照的匿名聚合数据,将其视为加权网络。储层计算允许使用未经训练的加权网络作为机器学习工具:初始化为回声状态网络(ESN)后,输入信号被投影至高维空间,仅需训练单一输出层,能耗远低于全参数训练的深度神经网络。我们设计了受神经科学启发的任务,训练ESN模型求解,并验证其性能随网络配置变化及扰动时明显下降。本工作为概念验证,未来可扩展至近实时监控通信与交通网络中的潜在薄弱环节。
原文摘要 · Abstract (English)
Using data from mobile network utilization in Norway, we showcase the possibility of monitoring the state of communication and mobility networks with a non-invasive, low-cost method. This method transforms the network data into a model within the framework of reservoir computing and then measures the model's performance on proxy tasks. Experimentally, we show how the performance on these proxies relates to the state of the network. A key advantage of this approach is that it uses readily available data sets and leverages the reservoir computing framework for an inexpensive and largely agnostic method. Data from mobile network utilization is available in an anonymous, aggregated form with multiple snapshots per day. This data can be treated like a weighted network. Reservoir computing allows the use of weighted, but untrained networks as a machine learning tool. The network, initialized as a so-called echo state network (ESN), projects incoming signals into a higher dimensional space, on which a single trained layer operates. This consumes less energy than deep neural networks in which every weight of the network is trained. We use neuroscience inspired tasks and trained our ESN model to solve them. We then show how the performance depends on certain network configurations and also how it visibly decreases when perturbing the network. While this work serves as proof of concept, we believe it can be elevated to be used for near-real-time monitoring as well as the identification of possible weak spots of both mobile communication networks as well as transportation networks.
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