分布式网络模拟故障排除

IF 1.8 4区 计算机科学 Q3 TELECOMMUNICATIONS Annals of Telecommunications Pub Date : 2024-02-19 DOI:10.1007/s12243-024-01010-y
Houssam ElBouanani, Chadi Barakat, Walid Dabbous, Thierry Turletti
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引用次数: 0

摘要

分布式网络仿真器允许用户通过在较少机器的集群上运行大规模虚拟网络来进行网络评估。虽然它们为研究人员评估其贡献和社区重现其结果提供了可访问的测试环境,但它们对有限的物理网络和计算资源的使用会无声无息地对仿真结果产生负面影响。在本文中,我们介绍了一种使用线性优化从仿真级数据包延迟测量中提取物理基础设施信息的方法,以便以最少的假设找出仿真不准确的根本原因。我们使用数值模拟评估了我们方法的精确性,然后展示了该方法在真实网络场景中的实施效果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Troubleshooting distributed network emulation

Distributed network emulators allow users to perform network evaluation by running large-scale virtual networks over a cluster of fewer machines. While they offer accessible testing environments for researchers to evaluate their contributions and for the community to reproduce its results, their use of limited physical network and compute resources can silently and negatively impact the emulation results. In this paper, we present a methodology that uses linear optimization to extract information about the physical infrastructure from emulation-level packet delay measurements, in order to pinpoint the root causes of emulation inaccuracy with minimal hypotheses. We evaluate the precision of our methodology using numerical simulations and then show how its implementation performs in a real network scenario.

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来源期刊
Annals of Telecommunications
Annals of Telecommunications 工程技术-电信学
CiteScore
5.20
自引率
5.30%
发文量
37
审稿时长
4.5 months
期刊介绍: Annals of Telecommunications is an international journal publishing original peer-reviewed papers in the field of telecommunications. It covers all the essential branches of modern telecommunications, ranging from digital communications to communication networks and the internet, to software, protocols and services, uses and economics. This large spectrum of topics accounts for the rapid convergence through telecommunications of the underlying technologies in computers, communications, content management towards the emergence of the information and knowledge society. As a consequence, the Journal provides a medium for exchanging research results and technological achievements accomplished by the European and international scientific community from academia and industry.
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