Using P4 on Fixed-Pipeline and Programmable Stratum Switches. - Brian O'Connor; Tomek Madejski; Jim Wanderer; Amin Vahdat; Yi Tseng; Maximilian Pudelko; Carmelo Cascone; Abhilash Endurthi; You Wang; Alireza Ghaffarkhah; Devjit Gopalpur; Tom Everman (ANCS, 2019)