Virtual Extensible LAN Virtual Extensible LAN Virtual Extensible LAN (VXLAN) is a network virtualization technology that attempts to address the scalability problems associated with large cloud computing deployments. It uses a VLAN-like encapsulation technique to encapsulate OSI layer 2 Ethernet frames within layer 4 UDP datagrams, using 4789 as the default IANA-assigned destination UDP port number. VXLAN endpoints, which terminate VXLAN tunnels and may be either virtual or physical switch ports, are known as VXLAN tunnel endpoints (VTEPs). VXLAN is an evolution of efforts to standardize on an overlay encapsulation protocol. It increases scalability up to 16 million logical networks and allows for
Acronym shortened form, such as words with the middle omitted (for example, "Rd" for "road" or "Dr" for "Doctor"), an acronym is a word formed from the first letter or first few letters of each word in a phrase (such as "sonar", created from "sound navigation and ranging"). Attestations for "" in German are known from 1921, and for "acronym" in English from 1940. Although the word "acronym" is often used to refer to any abbreviation formed from initial letters, some dictionaries and usage commentators define "acronym" to mean an abbreviation that is pronounced as a word, in contrast to an