Software Defined Networking (SDN) has become a hot buzz phrase in the industry. SDN is being touted as a game changing technology that will transform private, public and hybrid cloud. We agree. We’ve known the importance of Software Defined Networking by virtue of the fact that we run the largest datacenters in the world and see the challenges of end to end network management on a datacenter and global scale.
It’s one thing to enable a few VLANs and apply QoS to a couple of racks of servers. It’s another thing to manage traffic flows, provide logical segmentation that exceeds VLAN limits manifold, provide IP portability between datacenters, Live Migrate VMs across physical subnets without service interruption and do all of this on a global scale with hundreds of thousands of servers all while continuously adding/removing more nodes to the infrastructure.
There is a great post on the Windows Server Blog explains SDN and what are the Microsoft Technologies from Windows Server 2012 and System Center 2012 SP1 to enable SDN.
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