INTELLIGENT BRANDS // Data Centres
The right underlay network is essential to the
New IP and an agile business. Ethernet fabrics
are the most often-recommended underlay
architecture. A fabric-based underlay increases
agility by reducing complexity and increasing
automation. Fabrics are agile and automated,
and they easily scale up and out, adapting to
handle instantaneous changes in traffic flows,
flow sizes, packet sizes, and protocols.
Building an overlay with a top-down
approach
In terms of the overlay, it begins with
Network Functions Virtualisation (NFV), which
transforms routers, switches, firewalls, load
balancers, application delivery controllers,
and other physical equipment with software
versions that run on