Learn about Overlay SDN Solutions, also called Virtual Networks with GNS3 and Nuage Networks. Multiple Hypervisor – ESXi and KVM demos with hardware VTEPs. Nuage Networks Virtualized Services Platform (VSP) provides software-defined networking (SDN) and policy-based automation for cloud deployments. Designed for large enterprises and service providers, it supports clouds of all sizes and architectures, from datacenter private clouds to large enterprise wide area networks (WANs) and some of the largest public clouds in the world. You can use Nuage Networks VSP as a virtual overlay network platform for all your existing virtual and physical server and network resources. This open SDN and SD-WAN platform helps you avoid vendor lock-in. It requires no proprietary or purpose-built hardware. And it supports all major virtualization and cloud management platforms, from Docker containers and traditional virtual machines to OpenStack and CloudStack.