Title :
A Comment on “Power Cost Reduction in Distributed Data Centers: A Two Time Scale Approach for Delay Tolerant Workloads”
Author :
Weiwei Fang ; Yuan Yao ; Longbo Huang ; Sharma, Abhishek B. ; Golubchik, Leana ; Neely, Michael J.
Author_Institution :
Sch. of Comput. & Inf. Technol., Beijing Jiaotong Univ., Beijing, China
Abstract :
This comment points out several mathematical errors in the proof of Therorem 3, and gives the correct expression of B3.
Keywords :
computer centres; distributed processing; optimisation; software fault tolerance; software performance evaluation; stochastic processes; delay tolerant workload; distributed data center; performance analysis; power cost reduction; stochastic optimization algorithm; Delays; Distributed databases; Educational institutions; Estimation error; Queueing analysis; Robustness; Servers; Power management; data center; performance analysis; stochastic optimization;
Journal_Title :
Parallel and Distributed Systems, IEEE Transactions on
DOI :
10.1109/TPDS.2014.2312920