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One well-known technique to reduce the energy consumption is the consolidation of Virtual Machines (VMs). However, it may lose some performance points on energy saving and the Quality of Service (QoS) for dynamic workloads. Fortunately, Dynamic Frequency and Voltage Scaling (DVFS) is an efficient technique to save energy in dynamic environment. In this paper, combined with the DVFS technology, we propose a cooperative two-tier energy-aware management method including local DVFS control and global VM deployment. The DVFS controller adjusts the frequencies of homogenous processors in each server at run-time based on the practical energy prediction. On the other hand, Global Scheduler assigns VMs onto the designate servers based on the cooperation with the local DVFS controller. The final evaluation results demonstrate the effectiveness of our two-tier method in energy saving.<\/jats:p>","DOI":"10.1155\/2016\/4386362","type":"journal-article","created":{"date-parts":[[2016,10,3]],"date-time":"2016-10-03T17:44:17Z","timestamp":1475516657000},"page":"1-15","source":"Crossref","is-referenced-by-count":3,"title":["A Two-Tier Energy-Aware Resource Management for Virtualized Cloud Computing System"],"prefix":"10.1155","volume":"2016","author":[{"given":"Wei","family":"Huang","sequence":"first","affiliation":[{"name":"School of Computer Engineering, Nanjing Institute of Technology, Nanjing 211167, China"}]},{"given":"Zhen","family":"Wang","sequence":"additional","affiliation":[{"name":"State Key Lab. for Novel Software Technology, Nanjing University, Nanjing 210023, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2788-3451","authenticated-orcid":true,"given":"Mianxiong","family":"Dong","sequence":"additional","affiliation":[{"name":"Department of Information and Electronic Engineering, Muroran Institute of Technology, Muroran 050-8585, Japan"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1625-7575","authenticated-orcid":true,"given":"Zhuzhong","family":"Qian","sequence":"additional","affiliation":[{"name":"State Key Lab. for Novel Software Technology, Nanjing University, Nanjing 210023, China"}]}],"member":"311","reference":[{"issue":"2","key":"2","first-page":"47","volume":"82","year":"2011","journal-title":"Advances in Computers"},{"key":"18","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-319-27122-4_34"},{"key":"32","doi-asserted-by":"crossref","first-page":"48","DOI":"10.1145\/1353534.1346289","volume":"36","year":"2008","journal-title":"ACM SIGARCH Computer Architecture News"},{"key":"22","doi-asserted-by":"publisher","DOI":"10.1007\/s10586-008-0070-y"},{"key":"5","doi-asserted-by":"publisher","DOI":"10.1007\/s11227-014-1172-3"},{"key":"38","doi-asserted-by":"publisher","DOI":"10.1155\/2016\/5612039"},{"key":"24","doi-asserted-by":"publisher","DOI":"10.1109\/tpds.2012.95"},{"key":"19","doi-asserted-by":"publisher","DOI":"10.1109\/TPDS.2008.83"},{"key":"28","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpdc.2011.04.007"},{"key":"26","doi-asserted-by":"publisher","DOI":"10.1109\/tcad.2006.885736"},{"key":"9","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpdc.2012.01.006"},{"year":"2008","key":"3"},{"key":"8","doi-asserted-by":"publisher","DOI":"10.1007\/3-540-36612-1_12"},{"key":"29","doi-asserted-by":"publisher","DOI":"10.1109\/2.917539"},{"key":"21","doi-asserted-by":"publisher","DOI":"10.1126\/science.220.4598.671"},{"year":"2013","key":"15"},{"key":"27","doi-asserted-by":"publisher","DOI":"10.1063\/1.1699114"}],"container-title":["Scientific Programming"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/downloads.hindawi.com\/journals\/sp\/2016\/4386362.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/sp\/2016\/4386362.xml","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/sp\/2016\/4386362.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2018,5,18]],"date-time":"2018-05-18T10:47:26Z","timestamp":1526640446000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.hindawi.com\/journals\/sp\/2016\/4386362\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2016]]},"references-count":17,"alternative-id":["4386362","4386362"],"URL":"https:\/\/doi.org\/10.1155\/2016\/4386362","relation":{},"ISSN":["1058-9244","1875-919X"],"issn-type":[{"type":"print","value":"1058-9244"},{"type":"electronic","value":"1875-919X"}],"subject":[],"published":{"date-parts":[[2016]]}}}