How do you 'Tube'

Authors:
Vijay Kumar Adhikari;Sourabh Jain;Yingying Chen;Zhi-Li Zhang
Affiliations:
University of Minnesota, Minneapolis, MN, USA;University of Minnesota, Minneapolis, MN, USA;University of Minnesota, Minneapolis, MN, USA;University of Minnesota, Minneapolis, MN, USA
Venue:
Proceedings of the ACM SIGMETRICS joint international conference on Measurement and modeling of computer systems
Year:
2011

Citing 3
Cited 1

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Abstract

In this paper we "reverse-engineer" the YouTube video delivery cloud by building a distributed measurement infrastructure. Through extensive data collection and analysis, we deduce the key design features underlying the YouTube video delivery cloud. The design of the YouTube video delivery cloud consists of three major components: a "flat" video id space, multiple DNS namespaces reflecting a multi-layered logical organization of video servers, and a 3-tier physical cache hierarchy. By mapping the video id space to the logical servers via consistent hashing and cleverly leveraging DNS and HTTP re-direction mechanisms, such a design leads to a scalable, robust and flexible content distribution system.