Big Cloud Fabric, is a SDN solution from Big Switch Networks, designed to integrate into OpenStack (or VMware).
Via OpenStack, BCF (Big Cloud Fabric) integrates directly into OpenStack Neutron by way of a plugin. BCF supports L2/L3 networking and L4-7 insertion. BCF runs on whitebox, or brightbox hardware.
Below are a couple of videos that will give you a high-level view of the solution and let you see it in action.
Red Hat & Big Switch: Integrated OpenStack Solution for Simplified Cloud Deployment:
Webinar – Unified P+V Networking for OpenStack Clouds:
You can also access the Big Switch Labs and play around with the techology via the link below. Note that you will have to provide an email address.