Efficient and Adaptive Web Replication using Content Clustering (2003)
| Venue: | IEEE Journal on Selected Areas in Communications |
| Citations: | 30 - 3 self |
BibTeX
@ARTICLE{Chen03efficientand,
author = {Yan Chen and Lili Qiu and Weiyu Chen and Luan Nguyen and Randy H. Katz and Y H. Katz},
title = {Efficient and Adaptive Web Replication using Content Clustering},
journal = {IEEE Journal on Selected Areas in Communications},
year = {2003},
volume = {21},
pages = {979--994}
}
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Abstract
Recently there has been an increasing deployment of content distribution networks (CDNs) that offer hosting services to Web content providers. In this paper, we first compare the uncooperative pulling of Web contents used by commercial CDNs with the cooperative pushing. Our results show that the latter can achieve comparable users' perceived performance with only 4 - 5% of replication and update traffic compared to the former scheme. Therefore we explore how to efficiently push content to CDN nodes. Using trace-driven simulation, we show that replicating content in units of URLs can yield 60 - 70% reduction in clients' latency, compared to replicating in units of Web sites. However, it is very expensive to perform such a fine-grained replication.
