Greening Geo-distributed Data Centers by Joint Optimization of Request Routing and Virtual Machine Scheduling
Greening Geo-distributed Data Centers by Joint Optimization of Request Routing and Virtual Machine Scheduling
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通过请求路由和虚拟机调度的联合优化来绿化地理分布式数据中心
DOI:
10.1109/ucc.2014.8
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发表时间:
2014-12
期刊:
影响因子:
--
通讯作者:
Fu Chen
中科院分区:
文献类型:
--
作者:
Xudong Xiang;Chuang Lin;Fu Chen
In this paper, we present a unifying optimization framework for greening geographically distributed Data Centers (DCs) by means of three control operations: (1) inter-DC request routing at front-end proxies, (2) intra-DC request routing at tiered core switches and edge switches, and (3) Virtual Machine (VM) scheduling on heterogeneous physical servers. We first formulate the request routing and VM scheduling problem as a stochastic program which aims to minimize the time average electricity cost, carbon taxes and bandwidth cost for Cloud Service Providers (CSPs) while guaranteeing the long-term request queue stability for cloud users. Then we propose an online and decentralized algorithm named GREEN to address the randomness of external workload, power price, and carbon emission rate. The proposed algorithm provably achieves arbitrary cost-delay tradeoffs, thereby enabling CSPs to make flexible scheduling choices toward the desired objective. Trace-driven simulations confirm the efficacy and adaptivity of GREEN in non-stationary environments.
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DOI:
10.1109/infcom.2013.6566873
发表时间:
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期刊:
2013 Proceedings IEEE INFOCOM
影响因子:
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