As I look over the research being presented at the Sigcomm HotSDN workshop this week, I am amazed at the activity the software-defined networking (SDN), network virtualization, and specifically, ...

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 ...

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 ...

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 ...

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 ...

Some say OpenFlow and software-defined networking are more useful to huge data center-driven companies and network operators than to the enterprise As most participants at the inaugural 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 ...

On the heels of my post about Cumulous Networks last week, I had a chance to chat with Stu Bailey, founder and CTO of Infoblox, about the future of networking, and specifically OpenFlow. Stu is ...

How does OpenFlow work? The technology consists of three parts: flow tables installed on switches, a controller and a proprietary OpenFlow protocol for the controller to talk securely with switches.

OpenFlow 1.3 introduced the concept of multi-tables and methods to access and populate other tables including VLAN, MAC, IP, and MPLS. This brought in the ability to push flows to the appropriate ...