The document discusses using the Turning Bands (TB) geostatistical simulation method to forecast performance of distributed web systems. An experiment was conducted monitoring a group of web servers worldwide using an agent system called MWING located in different parts of Poland. The results showed the TB method provided good quality prediction of web performance, especially for European web servers monitored from an agent in Gliwice, Poland.

1. DISTRIBUTED WEB SYSTEMS PERFORMANCE FORECASTING USING
TURNING BANDS METHOD
ABSTRACT:
Development of distributed computer systems (DCSs) in networked industrial and manufacturing
applications on the World Wide Web (WWW) platform, including service-oriented architecture
and Web of Things QoS-aware systems, it has become important to predict theWeb performance.
In this paper, we presentWeb performance prediction in time and in space by making a forecast
of a Web resource downloading using the Turning Bands (TB) geostatistical simulation method.
Real-life data for the research were obtained in an active experiment conducted by our multi-
agent measurement system MWING performing monitoring of a group of Web servers
worldwide from agents localized in different geographical localizations in Poland.
The results show good quality of Web performance prediction made by means of the TB method,
especially in the case when European Web servers were monitored by an MWING agent
localized in Gliwice, Poland.
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