James Hamilton

The Cost of a Cloud: Research Problems in Data Center Networks

Albert Greenberg, James Hamilton, David A. Maltz, and Parveen Patel
Appears in: 
CCR January 2009

The data centers used to create cloud services represent a significant investment in capital outlay and ongoing costs. Accordingly, we first examine the costs of cloud service data centers today. The cost breakdown reveals the importance of optimizing work completed per dollar invested. Unfortunately, the resources inside the data centers often operate at low utilization due to resource stranding and fragmentation. To attack this first problem, we propose (1) increasing network agility, and (2) providing appropriate incentives to shape resource consumption.

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