Chapter 6
Network vendors and SDN
6.1 Introduction
The arrival of the software-defined networking (SDN) approach to network design brings the potential to change how both carriers and enterprises build their networks in the future. This change could have a significant impact on the companies that provide the network hardware used to build the networks.
The network hardware used to build networks today is very sophisticated. Once a firm selects a specific vendor’s equipment, the firm is committed to buying more equipment from that vendor as its network grows, along with the necessary software and hardware upgrades that occur over time. SDN may change all of this.
In SDN, simple high-speed routers are controlled by sophisticated software applications ...
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