View source for Overlay transport virtualization

{{Short description|Computer network protocol}}
'''Overlay transport virtualization''' ('''OTV''') is a [[Company:Cisco|Cisco]] [[Proprietary protocol|proprietary protocol]] for relaying layer 2 communications between layer 3 [[Computer network|computer network]]s.

== See also ==
* [[Distributed Overlay Virtual Ethernet]] (DOVE)
* [[Generic Routing Encapsulation]] (GRE)
* [[IEEE 802.1ad]], an Ethernet networking standard, also known as provider bridging, Stacked VLANs, or simply QinQ.
* NVGRE, a similar competing specification
* [[Virtual Extensible LAN]] (VXLAN)
* [[Virtual LAN]] (VLAN)

== External links ==
* [https://www.cisco.com/c/en/us/solutions/data-center-virtualization/overlay-transport-virtualization-otv/index.html Cisco Overlay Transport Virtualization overview]

[[Category:Network protocols]]
[[Category:Tunneling protocols]]

{{Sourceattribution|Overlay transport virtualization}}