CDN有多中立?经济方法

10th International Conference on Network and Service Management (CNSM) and Workshop Pub Date : 2014-11-01 DOI:10.1109/CNSM.2014.7014188

P. Maillé, Karine Pires, G. Simon, B. Tuffin

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引用次数: 13

摘要

内容分发网络(CDN)在内容分发价值链中日益增长的重要性引发了对这些参与者“中立性”的担忧。我们在本文中提出了一个模型来分析以收入为导向的CDN管理政策对使用CDN服务提供内容的两家内容提供商之间竞争公平性的影响。我们证明了CDN参与者存在一个唯一的最优收益最大化策略——其存储容量的尺寸和分配——这取决于服务/运输/存储的价格，以及内容流行度的分布。使用来自两个主要内容提供商(YouTube Live和justin.tv)的跟踪分析数据，我们注意到CDN仍然是一个相对中立的参与者，即使它所服务的内容提供商之一试图通过实施激进的政策来垄断CDN存储空间来伤害其竞争对手。

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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How Neutral is a CDN? An economic approach

The growing importance of Content Delivery Network (CDN) in the value chain of content delivery raises concerns about the “neutrality” of these players. We propose in this paper a model to analyze the impact of revenue-oriented CDN management policies on the fairness of the competition among two content providers that use CDN services to deliver contents. We show that there exists a unique optimal revenue-maximizing policy for a CDN actor-the dimensioning and allocation of its storage capacity-that depends on prices for service/transport/storage, and on the distribution of content popularity. Using data from the analysis of traces from two major content providers (YouTube Live and justin.tv), we remark that a CDN remains a relatively neutral actor even when one of the content providers it serves tries to monopolize the CDN storage space by implementing an aggressive policy to harm its competitors.

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10th International Conference on Network and Service Management (CNSM) and Workshop

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