TO ADVANCE DATACENTER CAPABILITIES BEYOND WHAT COMMODITY SERVER DESIGNS CAN PROVIDE, THE AUTHORS DESIGNED AND BUILT A COMPOSABLE, RECONFIGURABLE FABRIC TO ACCELERATE LARGE-SCALE SOFTWARE SERVICES. THEY DEPLOYED THE RECONFIGURABLE FABRIC IN A BED OF 1,632 SERVERS AND FIELD-PROGRAMMABLE GATE ARRAYS IN A PRODUCTION DATACENTER AND USED IT TO INCREASE THE THROUGHPUT OF THE RANKING PORTION OF THE BING WEB SEARCH ENGINE BY NEARLY A FACTOR OF TWO.