{"pairs": {"ping": ["h1", "h4"], "iperf": [["h2", "h3"]]}, "routing_time": 0, "sequential": {"ping": {"avg": 0.114, "mdev": 0.211}, "iperfs": [1170000]}, "parallel": {"ping": {"avg": 75.564, "mdev": 39.911}, "iperfs": [1170000]}}