title: Network Virtualization using Generic Routing Encapsulation
text: # Network Virtualization using Generic Routing Encapsulation
  
  Network Virtualization using Generic Routing Encapsulation (NVGRE) 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.
  
  