TY - GEN
T1 - A tale of three CDNs
T2 - 2012 IEEE Conference on Computer Communications Workshops, INFOCOM WKSHPS 2012
AU - Adhikari, Vijay Kumar
AU - Guo, Yang
AU - Hao, Fang
AU - Hilt, Volker
AU - Zhang, Zhi Li
N1 - Copyright:
Copyright 2012 Elsevier B.V., All rights reserved.
PY - 2012
Y1 - 2012
N2 - We study the Hulu online video service via active measurements. It is known that Hulu utilizes multiple CDNs to serve users' video requests. The focus of this study is on how Hulu selects CDNs and how each CDN allocates resources (i.e., servers) to serve user requests. Based on our analysis of measurement data, we find that Hulu frequently changes preferred CDNs for users. However, once a CDN is selected, Hulu clients try to stay with the same CDN during the entire length of the movie even when performance of that CDN degrades. While the preferred CDN selection is not fixed, we observe that Hulu attempts to divide video requests among CDNs to attain a fixed target ratio. In terms of CDNs, we find that different CDNs employ different amounts of resources (servers) to serve Hulu content.
AB - We study the Hulu online video service via active measurements. It is known that Hulu utilizes multiple CDNs to serve users' video requests. The focus of this study is on how Hulu selects CDNs and how each CDN allocates resources (i.e., servers) to serve user requests. Based on our analysis of measurement data, we find that Hulu frequently changes preferred CDNs for users. However, once a CDN is selected, Hulu clients try to stay with the same CDN during the entire length of the movie even when performance of that CDN degrades. While the preferred CDN selection is not fixed, we observe that Hulu attempts to divide video requests among CDNs to attain a fixed target ratio. In terms of CDNs, we find that different CDNs employ different amounts of resources (servers) to serve Hulu content.
UR - http://www.scopus.com/inward/record.url?scp=84862081282&partnerID=8YFLogxK
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U2 - 10.1109/INFCOMW.2012.6193524
DO - 10.1109/INFCOMW.2012.6193524
M3 - Conference contribution
AN - SCOPUS:84862081282
SN - 9781467310178
T3 - Proceedings - IEEE INFOCOM
SP - 7
EP - 12
BT - 2012 IEEE Conference on Computer Communications Workshops, INFOCOM WKSHPS 2012
Y2 - 25 March 2012 through 30 March 2012
ER -