2 results about "OpenFlow" patented technology

Methods and apparatuses for building a programmable dataplane are described. Specifically, the programmable dataplane can work on a list of identifiers, such as those part of OpenFlow 1.5. Specifically, the programmable dataplane can be built by creating a virtual network graph at a controller node using binary identifiers such that a node is broken into an n-ary tree and the tree has 1×2 or 1×1 nodes.

The invention discloses an SDN-based data service transmission optimization method and device, and the method comprises the steps: deploying an SDN controller in a network to achieve the unified planning and scheduling of the network, carrying out the expansion of an openflow protocol, enabling front-end equipment to support the openflow protocol, and obeying the unified scheduling of the SDN controller. The SDN controller monitors the network condition in real time, and when it is found that no redundant network resources are available in the network, the SDN controller coordinates the low-priority video stream service to restrain sending. After receiving the scheduling instruction, the corresponding front-end equipment suppresses the video stream sending of the front-end equipment. Afterthe network resource is recovered, the SDN controller notifies the front-end equipment to recover the related video stream again. Normal sending of high-priority services can be effectively ensured,and network resources are fully utilized.