Word of the Day: Tech Definitions from WhatIs.com

Sep 8 2016   8:14PM GMT

overlay network

Margaret Rouse Margaret Rouse Profile: Margaret Rouse


An overlay network is a telecommunications network that is built on top of another network and is supported by its infrastructure. Continued…

Quote of the Day

“Overlay networks create virtual network containers that are logically isolated from one another even though they share the same underlying physical network.” – Lee Doyle

Learning Center

LAN SDN management looks to the cloud and causes LAN ghost towns
As campus LANs move from on premises to the cloud, they’ll need automated LAN SDN management, which will create new network manager opportunities.

Overlay networks: Understanding the basics, making it a reality
Network overlays place a virtual network over the physical infrastructure for dynamic provisioning and orchestration of network resources.

Is fabric necessary for network virtualization overlay?
A network virtualization overlay can work just fine without a fabric underpinning, according to a network expert.

Network virtualization now, and the overlay network future
In part 1, expert Jim Metzler examines network virtualization (NV), including traditional approaches and emerging developments like overlay networks.

Overlay networks could revolutionize ISP backbone
Overlay networks aren’t just for the data center. ISPs can’t ignore the reduced Opex and increased agility that network overlays could bring to backbone networks.

Related Terms

SDN overlay
virtual private network
content delivery network

Related Tags

Network overlay software
SDN network virtualization

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