Studying the Evolution of Content Providers in the Internet Core

Esteban Carisimo, Carlos Selmo, José Ignacio Alvarez-Hamelin, A. Dhamdhere
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引用次数: 7

Abstract

There is recent evidence that the core of the Internet, which was formerly dominated by large transit providers, has been reshaped after the transition to a multimedia-oriented network, first by general-purpose CDNs and now by private CDNs. In this work we use k-cores, an element of graph theory, to define which ASes compose the core of the Internet and to track the evolution of the core since 1999. Specifically, we investigate whether large players in the Internet content and CDN ecosystem belong to the core and, if so, since when. We further investigate regional differences in the evolution of large content providers. Finally, we show that the core of the Internet has incorporated an increasing number of content ASes in recent years. To enable reproducibility of this work, we provide a website to allow interactive analysis of our datasets to detect, for example, “up and coming” ASes using customized queries.
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互联网核心中内容提供商的演进研究
最近有证据表明,以前由大型传输提供商主导的互联网核心,在向面向多媒体的网络过渡后已经被重塑,首先是通用cdn,现在是私人cdn。在这项工作中,我们使用k-cores(图论的一个元素)来定义哪些ase构成了互联网的核心,并跟踪自1999年以来核心的演变。具体来说,我们调查了互联网内容和CDN生态系统中的大型参与者是否属于核心,如果是,从什么时候开始。我们进一步研究了大型内容提供商发展过程中的地区差异。最后,我们表明,近年来,互联网的核心包含了越来越多的内容ase。为了使这项工作能够重现,我们提供了一个网站,允许对我们的数据集进行交互式分析,例如,使用自定义查询来检测“即将到来的”ase。
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