Network Link Selection Method for Disaster Oriented Mobile Network Based on OpenFlow Framework

In this paper, we introduce a network link selection method for disaster oriented mobile network based on Software Defined Network framework using based on dynamic network reconfiguration method to improve the connectivity. Our network system is consisted of multiple mobile routers based on currently available wireless LANs. Those wireless networks are interconnected by OpenFlow Switch and their links are managed by OpenFlow Controller. The proper communication links can be selected based on the required network characteristic, such as electro-magnetic field strength, throughput, latency, packet loss rate and communication distance. In this paper, we designed and implemented a disaster information wireless network with currently available different wireless LANs and constructed a prototype system to evaluate the performance of the mobile router.