Windows Network Controller Architecture


Windows network controller (WNC) is an SDN controller built for the next version of Windows Server. It is designed as a scalable and highly reliable distributed application to program physical and virtual elements of a datacenter, to provide autonomous datacenter network management. The north pole of WNC is to provide autonomous datacenter network management such that human intervention is needed only when there is a hardware failure. (more…)

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SDN != OpenFlow

Lately there seems to be a lot of hype around software defined networking and in some of the articles OpenFlow is equated with SDN or vice versa. While OpenFlow has a role to play in SDN and it is what created the concept of SDN, I don’t think it is accurate to think of SDN == OpenFlow. This post is my attempt to describe OpenFlow, SDN and why SDN != OpenFlow. This is important for us engineers as we need to focus on the right problems and solve them using the right technology, instead of getting distracted by the hype that we see or hear in the press. (more…)

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