Emerging Software Defined Network Exchanges (SDXs)

Joe Mambretti
TrackLightning Talks Europaea Room
DescriptionSoftware-Defined-Networking (SDN) has rapidly become part of the networking mainstream, and it is being deployed in an increasing number of production networks. Programmable networking using SDN leverages many advanced virtualization techniques, which enable the implementation of significantly higher levels of abstraction for network control and management functions at all layers and across all underlying technologies. These approaches allow network designers to create a much wider range of services and capability than can be provided with traditional networks. The proliferation of SDNs has motivated the need for SDN exchanges (SDXs). With funding from the National Science Foundation (NSF) through the Global Environment for Network Innovations (GENI) program, an early SDX prototype was established at the StarLight International/National Communications Exchange Facility. More recently, with funding from the NSF International Research Network Connections (IRNC) program an international SDX was established. These SDXs have demonstrated the potential for such next generation exchanges to support specific types of advanced applications, highly customized applications, data intensive domain sciences applications, including at 100 Gbps across the world. Over 15 SDX based demonstrations showcased these capabilities at the recent SC15 conference in Austin, Texas. Also, because of the virtualization characteristics of an SDX, it is possible to use them to create sub-sets of virtual exchanges customized for specific applications.

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