{"pairs": {"ping": ["h1", "h4"], "iperf": [["h2", "h3"]]}, "routing_time": 0, "sequential": {"ping": {"avg": 0.131, "mdev": 0.121}, "iperfs": [1150000]}, "parallel": {"ping": {"avg": 78.98, "mdev": 50.169}, "iperfs": [1170000]}}