The work flow and architecture of the management system of ONLS is designed. By analyzing the number of IP addresses of different ASes, we propose an overlay node deployment scheme based on the IP address distribution. 设计了ONLS系统结构和工作流程;分析了互联网自治域IP地址数量分布情况,在此基础上提出了基于自治域IP地址分布的承载节点部署方法。