In an OpenFlow network, the various control plane functions of an L2 switch — Spanning Tree Protocol, MAC address learning, etc. — are determined by server software rather than switch firmware.

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 switches from ...

OpenFlow began at a consortium of universities, led by Stanford and Berkeley, as a way for researchers to use enterprise-grade Ethernet switches as customizable building blocks for academic networking ...

In an OpenFlow network, the various control plane functions of an L2 switch — Spanning Tree Protocol, MAC address learning, etc. — are determined by server software rather than switch firmware.

OpenFlow is a protocol that separates the control of a switch from the switch itself. The high-level control of a switch, which includes packet routing and so on, is moved to a centralised server.

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 switches from ...

When the PCE determines that a flow should traverse a path other than the shortest path, it sends a label stack entry to the ingress router for that flow. No other routers need to receive any ...

Earlier this year I wrote about a new concept called software-defined networking, which uses the OpenFlow programming interface to virtualize network resources.

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.

We've also heard from vendors that even with example OpenFlow implementations in NOX, Open vSwitch, and other projects, it can still take 90-120 days to implement and test a basic OpenFlow 1.0 agent.