From: Jenny Liu (jen@cs.washington.edu)
Date: Mon Nov 08 2004 - 09:13:44 PST
"An Analysis of Internet Content Delivery Systems" presents statistics
gathered over 9 days of traces of UW's internet traffic, separating the
traffic into categories of www, p2p, akamai, and other.
With the presentation of these numbers, the paper offers concrete
suggestions (local caching for akamai web objects and for p2p objects)
for reducing bandwidth consumption in the environment studied (though
reduced bandwidth consumption is conjectured rather than shown).
However, it's not clear that such a reduction is necessary. Though p2p
traffic is a large proportion of UW's traffic, it's not clear that it's
using more bandwidth than the network can handle. In addition, the
suggestions do not readily apply to other settings (besides university
networks) because of the unique nature of a university's internet traffic.
The paper quantifies what a user of these content delivery networks can
already guess about the size of objects on these netwroks, and the usage
patterns associated with these networks. In that sense, many of the
results may seem obvious, but clear quantification of these effects are
necessary to really study and eventually improve these networks. In the
end, the paper offers a jumping off point for further research.
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