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A Scheme to Optimize Flow Routing and Polling Switch Selection of Software Defined Networks.


ABSTRACT: This paper aims at minimizing the communication cost for collecting flow information in Software Defined Networks (SDN). Since flow-based information collecting method requires too much communication cost, and switch-based method proposed recently cannot benefit from controlling flow routing, jointly optimize flow routing and polling switch selection is proposed to reduce the communication cost. To this end, joint optimization problem is formulated as an Integer Linear Programming (ILP) model firstly. Since the ILP model is intractable in large size network, we also design an optimal algorithm for the multi-rooted tree topology and an efficient heuristic algorithm for general topology. According to extensive simulations, it is found that our method can save up to 55.76% communication cost compared with the state-of-the-art switch-based scheme.

SUBMITTER: Chen H 

PROVIDER: S-EPMC4686908 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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A Scheme to Optimize Flow Routing and Polling Switch Selection of Software Defined Networks.

Chen Huan H   Li Lemin L   Ren Jing J   Wang Yang Y   Zhao Yangming Y   Wang Xiong X   Wang Sheng S   Xu Shizhong S  

PloS one 20151221 12


This paper aims at minimizing the communication cost for collecting flow information in Software Defined Networks (SDN). Since flow-based information collecting method requires too much communication cost, and switch-based method proposed recently cannot benefit from controlling flow routing, jointly optimize flow routing and polling switch selection is proposed to reduce the communication cost. To this end, joint optimization problem is formulated as an Integer Linear Programming (ILP) model fi  ...[more]

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