NSDI '08 – Abstract
Pp. 337–350 of the Proceedings
Energy-Aware Server Provisioning and Load Dispatching for
Connection-Intensive Internet Services
Gong Chen, University of California, Los Angeles; Wenbo He, University of Illinois at Urbana-Champaign; Jie Liu and Suman Nath, Microsoft Research; Leonidas Rigas, Microsoft; Lin Xiao and Feng Zhao, Microsoft Research
Abstract
Energy consumption in hosting Internet services is becoming
a pressing issue as these services scale up. Dynamic
server provisioning techniques are effective in
turning off unnecessary servers to save energy. Such
techniques, mostly studied for request-response services,
face challenges in the context of connection servers that
host a large number of long-lived TCP connections. In
this paper, we characterize unique properties, performance,
and power models of connection servers, based
on a real data trace collected from the deployed Windows
Live Messenger. Using the models, we design server
provisioning and load dispatching algorithms and study
subtle interactions between them. We show that our algorithms
can save a significant amount of energy without
sacrificing user experiences.
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