文档介绍：Energy Resource Management in the Virtual Data Center
Robert White Tim Abels
Environmental Engineer, Dell Inc. Software Architecture, Dell Inc.
Austin, TX Austin, TX
Robert_White@ Tim_Abels@
ABSTRACT Section 7 presents conclusions.
The Virtual Data Center1 (VDC) is a truly evolutionary
computing model, presenting the data center as a service 2. MOTIVATION
view to a puter, which virtualizes all hardware Data Center (DC) improvements in scaling out with stan-
and software behind it. Recent variations of the VDC dardized, commercial off-the-shelf (COTS) of dense, inex-
model include grid, autonomic, modular, fabric, and utility pensive resources is extremely appealing for large, mixed
center, each with a focus on total cost of ownership bene- puting. But these largely interchangeable
fits. and even disposable servers, storage, and switch resources,
generate cost and environmental challenges in traditional
VDC, which satisfies Quality of Service (QoS) at guaran-
data centers that are under-managed.
teed resource costs, can be extended to manage energy as a
first class resource and guarantees energy at predictable Some analysts project over 50 million square feet of data
costs. center hosting capacity in the . by 2005. Extrapolating
previous projections [8] with current density levels of 200
This article desc