Published/updated: February 2013
If you’re implementing a private or a hybrid cloud, then your network fabric needs a refit. You’ve virtualised your servers - but even in a mostly static environment, traffic patterns have changed. Add the flexibility of a dynamic IT infrastructure, and you need a network that can reconfigure instantly as loads move.
In this environment, software defined networking makes sense. But the road to a more open and capable management layer is a long one that will be hard to travel.
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