SDN and a life beyond the death of the internet


For decades, enterprises have relied on the public internet for business-critical SaaS applications and data traffic. The reason why is pretty simple: it’s cost-efficient, it’s easy to use and it’s already there. Compare that to the logistical, financial and implementation challenges of installing an alternative private network, and it’s clear why enterprises have been pretty content with the internet for their entire digital lives.

But, it’s 2017. And, if there’s one thing clear about the public internet today, it’s that it no longer cuts it. Rampant DDoS attacks and other cyber threats posed by hackers, rogue employees and nation-states have not just revealed the security, reliability and transparency cracks in the public internet — they’ve blown them wide open.

For enterprises concerned about secure and consistent network performance, the public internet cannot be the default solution anymore. Enterprises need to look beyond the public internet to their own private WANs — and specifically, to SDN.

The current state of SDN

Software-defined networking was conceived in the 1990s as part of active networks research, proposed as a radical alternative to the traditional internet stack. But, it ended up falling through because there was no clear path to deployment.

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