CapNet: A Real-Time Wireless Management Network for Data Center Power Capping
- Abusayeed Saifullah ,
- Sriram Sankar ,
- Ranveer Chandra ,
- Bodhi Priyantha ,
- Chenyang Lu ,
- Jie Liu
IEEE Real-Time Systems Symposium (RTSS) |
Published by IEEE - Institute of Electrical and Electronics Engineers
Best Paper Award
Download BibTexData center management (DCM) is increasingly becoming a significant challenge for enterprises hosting large scale online and cloud services. Machines need to be monitored, and the scale of operations mandates an automated management with high reliability and real-time performance. Existing wired networking solutions for DCM come with high cost. In this paper, we propose a wireless sensor network as a cost-effective networking solution for DCM while satisfying the reliability and latency performance requirements of DCM. We have developed Cap Net, a real-time wireless sensor network for power capping, a time-critical DCM function for power management in a cluster of servers. Cap Net employs an efficient event-driven protocol that triggers data collection only upon the detection of a potential power capping event. We deploy and evaluate Cap Net in a data center. Using server power traces, our experimental results on a cluster of 480 servers inside the data center show that Cap Net can meet the real-time requirements of power capping. Cap Net demonstrates the feasibility and efficacy of wireless sensor networks for time-critical DCM applications.
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