機器のマルチサービス接続性を実現するM2Mプロキシサーバの負荷分散方式の提案と実装評価

概要

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M2M Systems, in which many sensors and devices are connected to the Internet and various services are provided, have been attracting attention in many fields. In M2M systems, the multi-service connectivity to allow multiple different applications to access a sensor or a device is required. We have proposed an M2M proxy communication method to realize multi-service connectivity at a lower cost. However, when applying the proposed method to a large-scale M2M system, load balancing of M2M proxy servers is one of the important issues. In this paper, we propose a load balancing method of M2M proxy servers using OpenFlow for network routing control. The proposed method realizes the multi-service connectivity in a large-scale M2M system by increasing M2M proxy servers without a load balancer. In this study, we implemented a prototype system to evaluate the functionality, performance and operability of the proposed method.