Why SDN for ADC

Virtualization has become the standard method for delivering IT resources in the 21st Century. It abstracts the applications and services delivered from the physical components of IT infrastructure. Beginning with the Virtualization of industry standard servers and compute resources it quickly spread to include client Virtualization. Storage was soon included in the mix of IT resources that were presented for use via virtual abstraction. Increasingly the same is true for networking infrastructure via Software Defined Networking (SDN) and Network Function Virtualization (NFV).

SDN can make a significant impact on the user quality of experience by making the underlying network responsive to the changing application demands. With Kemp SDN, we optimize the underlying network and the paths taken by applications to ensure that network and application delivery resources are providing the best possible experience for users.

There are many reasons to embrace the Virtualization trend across all aspects of IT infrastructure. It delivers an agile yet robust server, storage and networking platform at a lower cost. At the same time it makes IT provisioning easier to manage and allows for the orchestration of services and applications. Organisations are able to flex their IT infrastructure with changing circumstances when virtual layers are in place.


Software Defined Networking (SDN) moves the control and management of the network to a centralised controller model and away from network devices. Network administrators can use this controller to shape traffic as required. This adds flexibility and makes the network more agile and reduces costs.


Network Function Virtualization (NFV) decouples network functions from the underlying hardware. This allows generic hardware to be configured as a network switch, as a router, or as any other type of network equipment via software. Generic hardware is easy to manage and delivers a flexible network platform.


Over the last decade many organisations have made the transition from dedicated physical infrastructure for each business function, to a virtualised, flexible, and dynamic infrastructure for their server and storage platforms. The benefits accrued from this transition are driving SDN and NFV adoption to now also virtualise networking infrastructure.

The Virtual Data Center

IT services and applications have traditionally been delivered from private data centres with individual dedicated physical servers deployed for each application. This was the easiest way to manage the disparate services. It was also an expensive delivery model from an infrastructure and management perspective. Virtualization decouples applications and services from infrastructure.


Cloud computing delivers applications and services from locations accessible via the Internet. It allows for computing resources to be used on demand and for usage from the Cloud to flex as needs change. Cloud based IT services can be combined with traditional data centre delivery via hybrid cloud services.

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