As techniques like OpenFlow gain a foothold in the physical and virtual infrastructure layers and the multi-tenancy models mature, should OpenFlow conversations be taking place between the provider-controlled layer and the application-controlled layer?
How do we - vendors, users, and industry pros - differentiate between SDN layer products? Is is OpenFlow vs. non-OpenFlow? Or layer2-3 products vs. application-layer? Or is it OpenFlow vs. overlay SDN?
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