Computer Science ›› 2018, Vol. 45 ›› Issue (4): 143-147.doi: 10.11896/j.issn.1002-137X.2018.04.023

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Routing Scheme Based on Network Slicing and ILP Model in SDN

PANG Bo, JIN Qian-kun, HENIGULI·Wu Mai Er and QI Xing-bin   

  • Online:2018-04-15 Published:2018-05-11

Abstract: For the issues of the routing optimization problem in data layer of software defined network(SDN),a routing scheme based on network slicing and integer linear programming (ILP) multi-constrained optimization was proposed.Firstly,the Kruskal algorithm is used to slice the link resources in the data layer according to the link requirement of multi-tenancy service,so as to form the isolated sub-network as far as possible.Then,an ILP integer linear programming(ILP) routing optimization model was constructed under considering the link constraint and the QoS constraint of the tenant service,to minimize the transmission delay and obtain the optimal routing scheme.Simulation results show that the proposed routing scheme has fewer shared links,and it can effectively reduce the link congestion and transmission delay.

Key words: Software defined network,Routing optimization,QoS constraints,Network slicing,Integer linear programming,Kruskal algorithm

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