GitHub repository for NSDI paper: Gearbox: A Hierarchical Packet Scheduler for ApproximateWeighted Fair Queuing
Gearbox_Xilinx: Implementation report of Gearbox hardware prototype on a Xilinx Alveo U250 FPGA card
gearbox_I.vhd: Top design of Gearbox
gearbox_level.vhd: Level module of Gearbox
last_enq_level_arr.vhd: Memory to store "last enqueue level" for each flow
fin_time_arr.vhd: Memory to store "last packet finish time" for each flow
constants.vhd: Design constants for sizing various parameters
tb_gearboxI_test_set_01_0219.vhd : Testbench for Gearbox