Implementation of a Programmable Service Composition Network using NetFPGA-based

Abstract — Future Internet testbed project called FiRST has been started in Korea, where separated testbeds consisting of NetFPGA-based OpenFlow switches are connected to Korea research networks. This testbed will be used for researchers for testing new ideas and innovative protocols of Future Internet. To interconnect separated testbeds, user’s layer 2 frames from one local testbed should be encapsulated at the sending OpenFlow switch and tunneled to the destination OpenFlow switch. In this project, we implemented NetFPGA-based OpenFlow Capsulator module and tested its performance. This hardware Capsulator shows enhanced performance compared to the user-level software Capsulator. On the given testbed network, we deployed programmable service composition and QoS routing function at the OpenFlow controller based on user requirements and network status. According to the QoS routing algorithm, optimal routing path can be calculated using service requirements table and network monitoring components. We believe that our suggested controller application can be effectively used for providing dynamic service composition and guaranteed video streaming services