@MISC{Douglis_abstractadaptive, author = {Fred Douglis and Tom Killian}, title = {Abstract Adaptive Modem Connection Lifetimes}, year = {} }
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Abstract
lengths to minimize dial-up connection times, in order to make the best use of limited resources. Typically they disconnect users after a fixed period of complete inactivity, such as 10–15 minutes. We propose adaptive time-out policies that take past history into account, and we evaluate some of these policies using a trace from a production environment. We find that adaptive policies can reduce cumulative connection times and average simultaneous usage by about 10–20 % compared to a conservative fixed threshold, in exchange for a moderate increase in the number of disconnections that inconvenience the user. 1