Online Algorithms for Geographical Load Balancing

Provided by: California Institute of Technology
Topic: Data Centers
Format: PDF
It has recently been proposed that Internet energy costs, both monetary and environmental, can be reduced by exploiting temporal variations and shifting processing to data centers located in regions where energy currently has low cost. Lightly loaded data centers can then turn off surplus servers. This paper studies online algorithms for determining the number of servers to leave on in each data center, and then uses these algorithms to study the environmental potential of Geographical Load Balancing (GLB).

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