NDLI: Energy-aware routing algorithms in Software-Defined Networks

Content Provider	IEEE Xplore Digital Library
Author	Rui Wang Zhipeng Jiang Suixiang Gao Wenguo Yang Yinben Xia Mingming Zhu
Copyright Year	2014
Description	Author affiliation: Sch. of Math. Sci., Univ. of Chinese Acad. of Sci., Beijing, China (Rui Wang; Zhipeng Jiang; Suixiang Gao; Wenguo Yang) \|\| Huawei Technol. Co. Ltd., Beijing, China (Yinben Xia; Mingming Zhu)
Abstract	The feature of centralized network control logic in Software-Defined Networks (SDNs) paves a way for green energy saving. Router power consumption attracts a wide spread attention in terms of energy saving. Most research on it is at component level or link level, i.e. each router is independent of energy saving. In this paper, we study global power management at network level by rerouting traffic through different paths to adjust the workload of links when the network is relatively idle. We construct the expand network topology according to routers' connection. A 0-1 integer linear programming model is formulated to minimize the power of integrated chassis and linecards that are used while putting idle ones to sleep under constraints of link utilization and packet delay. We proposed two algorithms to solve this problem: alternative greedy algorithm and global greedy algorithm. For comparison, we also use Cplex method just as GreenTe does since GreenTe is state of the art global traffic engineering mechanism. Simulation results on synthetic topologies and real topology of CERNET show the effectiveness of our algorithms.
Starting Page	1
Ending Page	6
File Size	845727
Page Count	6
File Format	PDF
ISBN	9781479947867
DOI	10.1109/WoWMoM.2014.6918982
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-06-19
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Greedy algorithms algorithms Power demand Network topology integer linear programming Software-Defined Networks energy-aware Delays Mathematical model Optimization Equations
Content Type	Text
Resource Type	Article

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