NASA High-End Computing Testbed Runs over National LambdaRail (NLR) NASA has started to conduct end-to-end throughput performance benchmarking as part of its High-End Computing 20, 40 & 100 Gigabits per second (Gbps) Network Testbed initiative over a 4x10 Gigabit Ethernet (GE) infrastructure between Chicago and McLean, Virginia, deployed by National LambdaRail (NLR), the coast-to-coast, high-performance network owned by the U.S. research and education community.