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2002

Thin-client Web access patterns: Measurements from a cache-busting proxy

10 years 4 months ago
Thin-client Web access patterns: Measurements from a cache-busting proxy
This paper describes a new technique for measuring Web client request patterns and analyzes a large client trace collected using the new method. In this approach a modified proxy intercepts requests and serves all responses to clients marked uncacheable, effectively disabling browser caches and allowing the proxy to record requests that would otherwise result in silent browser cache hits. WebTV Networks used a "cache-busting proxy" to collect an unusually large and detailed anonymized Web client trace in September 2000. It contains over 347 million requests for over 36 million documents by over 37,000 clients and spans 16 days. By most measures it is two orders of magnitude larger than existing Web client traces. We compare cache-busting proxies with conventional client instrumentation and use the WebTV trace to explore browser cache performance, reference locality, and document aliasing. We present the aggregate browser cache success function (hit rate vs. cache size) of th...
Terence Kelly
Added 17 Dec 2010
Updated 17 Dec 2010
Type Journal
Year 2002
Where COMCOM
Authors Terence Kelly
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