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Minimizing Energy for Wireless Web Access With Bounded Slowdown

Date: January 2008
Type: White Paper
Rating: (0)

Overview: This research paper investigates the interaction between energy-saving protocols and TCP performance for Web-like transfers. It is shown that the popular IEEE 802.11 Power-Saving Mode (PSM), a ""Static"" protocol, can harm performance by increasing fast Round Trip Times (RTTs) to 100 ms, and that under typical Web browsing workloads, current implementations will unnecessarily spend energy waking up during long idle periods. To overcome these problems, the paper present the Bounded-SlowDown (BSD) protocol, a PSM that dynamically adapts to network activity.


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