Although vendor-written, this contributed piece does not advocate a position that is particular to the author’s employer and has been edited and approved by Network World editors.Software Defined Networking (SDN) is one of the hottest trends in security and networking right now. Many enterprises are considering moving to virtualized networks such as VMware NSX as part of an overall shift from relatively inflexible hardware-based architectures to nimbler, faster, more scalable virtualized deployments.But as with any migration project, careful planning and management is required. Here we look at the steps involved in an SDN migration and what you need to consider at each stage.To read this article in full or to leave a comment, please click here