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On the use of the genetic programming for balanced load distribution in software-defined networks

Digital Communications and Networks 2019年第4期5卷 288-296页

作者： Shahram Jamali amin badirzadeh Mina Soltani Siapoush Computer Engineering Department University of Mohaghegh ArdabiliArdabilIran Computer Engineering Department of Islamic Azad University ArdabilIran

As a new networking paradigm,Software-Defined Networking(SDN)enables us to cope with the limitations of traditional *** uses a controller that has a global view of the network and switch devices which act as packet forwarding hardware,known as“OpenFlow switches”.Since load balancing service is essential to distribute workload across servers in data centers,we propose an effective load balancing scheme in SDN,using a genetic programming approach,called Genetic Programming based Load Balancing(GPLB).We formulate the problem to find a path:1)with the best bottleneck switch which has the lowest capacity within bottleneck switches of each path,2)with the shortest path,and 3)requiring the less possible *** the purpose of choosing the real-time least loaded path,GPLB immediately calculates the integrated load of paths based on the information that receives from the SDN ***,in this design,the controller sends the load information of each path to the load balancing algorithm periodically and then the load balancing algorithm returns a least loaded path to the *** this paper,we use the Mininet emulator and the OpenDaylight controller to evaluate the effectiveness of the *** simulative study of the GPLB shows that there is a big improvement in performance metrics and the latency and the jitter are *** GPLB also has the maximum throughput in comparison with related works and has performed better in the heavy traffic *** results show that our model stands smartly while not increasing further overhead.

关键词： Software-defined networking OpenFlow Mininet OpenDaylight Load balancing

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