by April 29, 2014 0 comments

Scalability has become a regular concern, especially after the revolution with virtualization and the adoption of cloud technologies. Companies and CIOs are opting for an architecture which is not only flexible in terms of incorporating the rising/falling needs and payment options, but which is lower cost and which can be modified on the go. It is in this context that SDN (Software Defined Networking) and NFV (Network Functions Virtualization) not only offer to make high-capacity networks cheaper to build but provides reconfiguration while on the go. The two primary objectives of any network are to deliver and manage applications. The need is not just to set-up a network to deliver applications but manage it properly. The disruption of cloud technologies makes such management more complicated.
We mentioned SDN above, but what is it? SDN got its start on campus networks. As researchers were experimenting with new protocols, they became frustrated with the need to change software in network devices each time they wanted to try a new approach. They came up with the idea of making the behavior of the network devices programmable, and allowing them to be controlled by a central function. This led to formalization of the principle elements that define SDN t

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