NVGRE (Network Virtualization using Generic Routing Encapsulation) is a network virtualization technology that attempts to alleviate the scalability problems associated with large cloud computing deployments. It uses Generic Routing Encapsulation (GRE) to tunnel layer 2 packets over layer 3 networks. Its principal backer is Microsoft. Other companies supporting the development of NVGRE include F5 Networks, Arista Networks, Mellanox, Broadcom, Dell, Emulex, Intel and Hewlett-Packard.
- "NVGRE, VXLAN and what Microsoft is Doing Right". Network Heresy. 2011-10-03. Retrieved 2013-02-25.
- M. Sridharan et al. (March 2012). "NVGRE: Network Virtualization using Generic Routing Encapsulation". Retrieved 2013-02-25.
- Virtual Extensible LAN, a similar competing specification
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