{"pairs": {"ping": ["h1", "h4"], "iperf": [["h2", "h3"]]}, "routing_time": 0, "sequential": {"ping": {"avg": 0.107, "mdev": 0.156}, "iperfs": [1170000]}, "parallel": {"ping": {"avg": 76.569, "mdev": 39.402}, "iperfs": [1170000]}}