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USENIX, The Advanced Computing Systems Association

2006 USENIX Annual Technical Conference Abstract

Pp. 243–248 of the Proceedings

sMonitor: A Non-Intrusive Client-Perceived End-to-End Performance Monitor of Secured Internet Services

Jianbin Wei and Cheng-Zhong Xu, Wayne State University


End-to-end performance measurement is fundamental to building high-performance Internet services. While many Internet services often operate using HTTP over SSL/TLS, current monitors are limited to plaintext HTTP services. This paper presents sMonitor, a non-intrusive server-side end-to-end performance monitor that can monitor HTTPS services. The monitor passively collects live packet traces from a server site. It then uses a size-based analysis method on HTTP requests to infer characteristics of client accesses and measures client-perceived pageview response time in real time. We designed and implemented a prototype of sMonitor. Preliminary evaluations show measurement error of less than 5%.
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Last changed: 15 Sept. 2006 ch