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Network Virtualization using Generic Routing Encapsulation
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<p>Network Virtualization using Generic Routing Encapsulation (NVGRE) is a <a href="/facts/Network_virtualization/aWUs94EW">network virtualization</a> technology that attempts to alleviate the <a href="/facts/Scalability/jh7JomPa">scalability</a> problems associated with large <a href="/facts/Cloud_computing/guhg0FGV">cloud computing</a> deployments. It uses <a href="/facts/Generic_Routing_Encapsulation/0TQRDUMK">Generic Routing Encapsulation</a> (GRE) to tunnel <a href="/facts/Layer_2/K9yPufbt">layer 2</a> packets over <a href="/facts/Layer_3/L2jAtJzQ">layer 3</a> networks. Its principal backer is <a href="/facts/Microsoft/nGIDDXdx">Microsoft</a>. </p>