[RFC7348] Mahalingam, M., et al., "Virtual eXtensible Local Area Network (VXLAN): A Framework for Overlaying Virtualized Layer 2 Networks over Layer 3 Networks", RFC 7348, August 2014.
[RFC7637] Garg, P., et al., "NVGRE: Network Virtualization Using Generic Routing Encapsulation", RFC 7637, September 2015.
[STT] Davie, B. and J. Gross, "A Stateless Transport Tunneling Protocol for Network Virtualization (STT)", Work in Progress.