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P. T. Deutermann
Overlay transport virtualization (OTV) is a Cisco proprietary protocol for relaying layer 2 communications between layer 3 computer networks.
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)