Over the past couple of years, software-defined networking (SDN) has emerged as a strong alternative to traditional networking approaches in the areas of WAN, data center networks, and network overlay ...

This vendor-written tech primer has been edited by Network World to eliminate product promotion, but readers should note it will likely favor the submitter’s approach. OpenFlow, the exciting new ...

The OpenFlow switching and communications protocol addresses packet routing on a software layer that's separate from a network's physical infrastructure. OpenFlow's major benefit is flexibility, ...

Dan Pitt is the executive director of the Open Networking Foundation. Public-sector IT leaders face many challenges, including tight budgets, limited staff and the need to meet employee and ...