A Rapid Configuration Mechanism Based on Load Measurement for NETCONF in SDN Networks

With the development of communication technology, there is an increasing demand for rapid deployment of services. As a widely used southbound interface in Software-Defined Networking (SDN), the NETCONF uses the TCP to transmit configuration information for network service deployment. The traditional TCP mechanism cannot set the transmission rate based on the actual network load status, thus its poor configuration efficiency for small-scale configuration services. As a novel network architecture, SDN can provide a global network view. In this paper, we propose a rapid configuration mechanism based on load measurement for NETCONF to improve the configuration efficiency of network devices. This mechanism dynamically measures the network load to select the optimal transmission path for configuration services and sets the initial transmission rate for services based on the load status of the selected path, thus achieving quick configuration of the devices. Simulation using OPNET shows that the proposed mechanism can effectively reduce the configuration service delay and improve the configuration efficiency compared with the traditional TCP mechanism.