The Research and Analysis on Controlling the Number of VPN Routes Through VPN Prefix Outbound Route Filter (ORF) Mechanism. - Wei Wang 392; Aijun Wang; Qian Wang; Penglun Zhang; Zhengguang Cui; Xueting Li; Feifei Wang; Huanan Li; Xin Li; Honglei Xu; Qiong Sun (IEEE Netw., 2024)