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Summary: RACNet: Reliable ACquisition Network for High-Fidelity Data Center
Sensing
Chieh-Jan Mike Liang1
, Jie Liu2
, Liqian Luo2
, Andreas Terzis1
1
Computer Science Dept., Johns Hopkins University, {cliang4, terzis}@cs.jhu.edu
2
Microsoft Research, Redmond, WA, {liuj, liqian}@microsoft.com
Abstract
RACNet is a monitoring sensor network to provide high-
fidelity visibility, in terms of spatial and temporal resolu-
tion, of data center environmental conditions for energy
efficiency improvement. RACNet overcomes the high
node density and harsh RF environment challenges in
data centers to achieve over 99% reliable data yield and
short data collection latency. It does so through a novel
network architecture that decouples data collection from
the construction of the routing tree. This design, cou-
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