In our 32-criterion evaluation of open, programmable switching solutions, we identified the 12 most significant ones — Arista Networks, Cisco IOS-XE, Cisco NX-OS, Dell EMC, Extreme Networks, H3C, Huawei, Juniper Networks, NVIDIA Cumulus, NVIDIA Mellanox, Pica8, and Pluribus Networks — and researched, analyzed, and scored them. This report shows how each solution measures up and helps infrastructure and operations (I&O) professionals select the right one for their needs.