Computer networking has come a long way since the early days of static, hardware-centric networks. In the past, networking required companies to make big investments in physical equipment and offered limited central control. As the internet and cloud computing grew in popularity, organizations began to evolve toward software-defined networks that were more agile, dynamic and programmable. That’s because they wanted their networks to deliver some of the same benefits as cloud: flexible deployment, high scalability, simplified management, automation and more. With the shift to software-defined technologies, networks have become more complex than they used to be. Before cloud computing, an…

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