Abstract: An SDN architecture and a method for forwarding message based on the SDN architecture are provided. The SDN architecture includes controllers and a forwarding device, and the SDN further includes: a monitoring controller, which is connected between the multiple controllers and the forwarding device and configured to receive or monitor control plane messages of the multiple controllers, and determine a flow table to be sent to the forwarding device according to a local strategy and the control plane messages of the multiple controllers.

Abstract: An SDN architecture and a method for forwarding message based on the SDN architecture are provided. The SDN architecture includes controllers and a forwarding device, and the SDN further includes: a monitoring controller, which is connected between the multiple controllers and the forwarding device and configured to receive or monitor control plane messages of the multiple controllers, and determine a flow table to be sent to the forwarding device according to a local strategy and the control plane messages of the multiple controllers.

Abstract: Provided are a method and device for processing an OpenFlow-based group table, a group table configuration unit, a capable switch and a Software Defined Network (SDN) system. The method includes that: a connection is established with a capable switch according to a network configuration protocol; and through the established connection, group table resources of a group table are issued to a logical switch in the capable switch. The present disclosure solves the problem in the related art of how to conduct complete configuration on effective resources in the group table resources, and then achieves the effect of conducting effective and complete configuration on the group table resources.

Abstract: A method, device, system, and a computer storage medium for load balancing are provided. The load balancing method includes that: a switch sends a path selection policy supported by a group table to a controller; the controller determines an appointed path selection policy according to the received path selection policy and an Application (APP) or a service requirement of the controller; the controller sends a Select-type group table entry and the appointed path selection policy to the switch; and when executing a Select-type group table on traffic, the switch executes a path selection algorithm according to the received appointed path selection policy.