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6. Metrics to Measure Web Service Performance
In this section, we introduce a set of metrics and the ways to compute
them in order to measure a web service efficiency. These metrics
can be categorized as:
- metrics approximating the end-to-end response time
observed by the client for a web page download. Additionally, we
provide a means to calculate the breakdown between server processing and
networking portions of overall response time.
- metrics evaluating the caching efficiency for a given web
page by computing the server file hit ratio and server byte hit ratio for
the web page.
- metrics relating the end-to-end performance of aborted
web pages to the QoS.