Abstract:The concepts of cloud computing and Internet applications have expanded gradually and have become more and more important. Researchers need a new, highspeed network to build experimental environments for testing new network protocols without affecting existing traffic. In this paper, we describe a way to integrate NetFPGA platform, OpenFlow concept and NetFPGA reference designs into a network testbed to improve the packet processing speed and the dynamic adjustability for network emulation experiments. Furthermore, combined with Tunneling and VPLS, the proposed network testbed can be connected to distributed network, thus providing researchers a traffic-controllable and NIC-programmable experimental networking testbed in intra-communicating part.

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Abstract:With the advance of Future Internet technologies, many research issues and ideas are growing fast in recent years. In the field of network virtualization, software defined network becomes a common topic on network research. In Taiwan, many institutes and laboratories of universities already built their bench-scale testbed for research and educational use with OpenFlow protocol. As time goes by, stitching experimental networks is a growing trend to fulfill requirements for large scale emulation. Hence, this paper revealed a progressing deployment which connects different experimental networks with centralized control policy. The objective is to build an integrated research network with a proposed solution which utilizes OpenFlow protocol to deal with the inter-connections. With a centralized controller and implemented architecture, the deployment not only solves the limitation of VLAN tag number in network but also improves the flexibility of configuration. This design could be a solution for the realistic constraints of network environment in Taiwan, and it also supports the possibility of stitching regional experimental networks for networking research.