Back Насложена мрежа Bulgarian Xarxa superposada Catalan Overlay-Netz German Red superpuesta Spanish شبکههای همپوشان Persian Réseau superposé French Sustav prividne mreže Croatian Overlay network Italian オーバーレイ・ネットワーク Japanese 오버레이 네트워크 Korean
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An overlay network is a computer network that is layered on top of another (logical as opposed to physical) network. The concept of overlay networking is distinct from the traditional model of OSI layered networks, and almost always assumes that the underlay network is an IP network of some kind. [1]
Some examples of overlay networking technologies are, VXLAN, BGP VPNs, both Layer 2 and Layer 3, and IP over IP technologies, such as GRE or IPSEC Tunnels. IP over IP technologies, such as SD-WAN are a class of overlay network.
- ^ Sasu Tarkoma (2010). Overlay Networks: Toward Information Networking. CRC Press. p. 3. ISBN 9781439813737.