Orion: Google's Software-Defined Networking Control Plane. - Andrew D. Ferguson; Steve D. Gribble; Chi-Yao Hong; Charles Killian; Waqar Mohsin; Henrik Mühe; Joon Ong; Leon Poutievski; Arjun Singh; Lorenzo Vicisano; Richard Alimi; Shawn Shuoshuo Chen; et al. (NSDI, 2021)