Cisco's unveiling of its Application-Centric Infrastructure (ACI) strategy and plans for its Insieme Networks "spin-in" has raised some core questions for all those interested in the software-defined networking (SDN) debate: Can, or even should, the theory of pure SDN be put into practice?
I won't go into the details of what Cisco is doing -- my colleague Dan O'Shea has done an admirable job on that front already. (See Cisco's ACI Gets Physical With SDN.)
What is more interesting is whether Cisco's hardware-centric approach -- even if it is driven by an inevitable protectionist streak -- is the one that will, ultimately, make most sense for network operators. Because the debate really isn't about whether this is a SDN play or not. And it isn't just about whether Cisco is looking to lock customers into its technology, though of course that is a major issue and talking point.
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