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ACM

YouTube traffic dynamics and its interplay with a tier-1 ISP: an ISP perspective

9 years 9 months ago
YouTube traffic dynamics and its interplay with a tier-1 ISP: an ISP perspective
In this paper we conduct an extensive and in-depth study of traffic exchanged between YouTube data centers and its users, as seen from the perspective of a tier-1 ISP in Spring 2008 after YouTube was acquired by Google but before Google did any major restructuring of YouTube. Using flow-level data collected at multiple PoPs of the ISP, we first infer where the YouTube data centers are located and where they are connected to the ISP. We then deduce the load balancing strategy used by YouTube to service user requests, and investigate how load balancing strategies and routing policies affect the traffic dynamics across YouTube and the tier-1 ISP. The major contributions of the paper are four-fold: (1) we discover the surprising fact that YouTube does not consider the geographic locations of its users at all while serving video content. Instead, it employs a location-agnostic, proportional load balancing strategy among its data centers to service user requests from all geographies; (2) we...
Vijay Kumar Adhikari, Sourabh Jain, Zhi-Li Zhang
Added 13 Feb 2011
Updated 13 Feb 2011
Type Journal
Year 2010
Where IMC
Authors Vijay Kumar Adhikari, Sourabh Jain, Zhi-Li Zhang
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