OpenFlow 2.0 doesn't formally exist yet, but one possible shape of the protocol — a more flexible take on packet switching — is starting to form. A research paper outlines the idea and sums it up ...

Over the past couple of years, software defined networking (SDN) has emerged as a strong alternative for IT operations in the areas of WAN, data center and overlay solutions. The primary benefit ...

Interop 2011 could have been called The OpenFlow Show. Vendors were hawking OpenFlow switches and controllers, and a lab demonstration on the show floor displayed the traffic management technique and ...

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, ...

APIs and messaging protocols, including some that are standards, can let users build software-defined networks today. The key issue, though, is that not everyone implements the same ones or implements ...

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 ...

Big Switch Networks just launched a tool to allow OpenStack developers to more easily use open software defined networking tools to deployment of agile networking. The company's Floodlight, an open ...

Can you program a network of multivendor switches and routers, all running different operating systems, command line interfaces and configuration routines, to work in concert when it comes to managing ...

What is OpenFlow? OpenFlow is a programmable network protocol designed to manage and direct traffic among routers and switches from various vendors. It separates the programming of routers and ...

Chip maker Broadcom has announced a new specification along with software and APIs to improve the performance of OpenFlow switches and to make it easier for hardware vendors to build products.