File size: 51,297 Bytes
5b3c00e | 1 2 3 4 5 6 7 8 9 10 11 | {"source_repo": "zmq-5g-core-sim-v1", "source_id": "zmq-5g-core-sim-v1__2026-10-14T100455Z_zmq_low-mcs_batch2__perf__0__chunk0", "source_spec_id": null, "source_version": null, "messages": [{"role": "user", "content": "# Network performance measurements through the 5G user plane (iperf3, ping, HTTP) with procedure timings\nrun_id: 2026-10-14T100455Z_zmq_low-mcs_batch2\nscenario_label: low-mcs\nprovenance: measured application results over a simulated radio link (ZMQ); absolute throughput reflects the host, not air\nidentifiers: subscriber ids are keyed pseudonyms (ue-...), not IMSIs\nscenario: gNB scheduler capped at MCS 8 for PDSCH and PUSCH (controlled link-quality regime) with traffic\nprocedure timings from signalling: registration_ms_mean=171.04 pdu_setup_ms_mean=38.1 sbi_latency_ms_mean=0.56 registration_requests=1 rejects=0\nground-truth timeline (injected conditions and scenario steps; node clock, UTC):\n 10:05:02.140 core_collect_start {\"run_dir\":\"data/raw/zmq_5g_sim/2026-10-14T100455Z_zmq_low-mcs_batch2/core\"}\n 10:05:03.482 gnb_config_variant {\"provenance\":\"ground-truth\",\"cell_cfg.pdsch.max_ue_mcs\":8,\"cell_cfg.pusch.max_ue_mcs\":8}\n 10:05:03.597 gnb_process_start {\"cycle\":\"1\",\"config\":\"data/raw/zmq_5g_sim/2026-10-14T100455Z_zmq_low-mcs_batch2/ran/config/gnb.1.yml\",\"radio\":\"zmq (simulated)\"}\n 10:05:07.143 ng_setup_ok {\"cycle\":\"1\"}\n 10:05:09.209 ue_process_start {\"cycle\":\"1\",\"supi\":\"imsi-ue-f1c4a40364f105b2\",\"radio\":\"zmq (simulated)\"}\n 10:05:10.275 ue_registered {\"supi\":\"imsi-ue-f1c4a40364f105b2\"}\n 10:05:10.282 pdu_session_ok {\"iface\":\"tun_srsue (netns ue1)\",\"ue_ip\":\"10.45.0.3\"}\n 10:05:10.285 phase_start {\"phase\":\"traffic-1\"}\n 10:05:10.298 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"8.8.8.8\",\"count\":\"20\"}\n 10:05:19.878 app_ping_end {\"exit\":\"0\"}\n 10:05:21.450 app_iperf_start {\"direction\":\"downlink\",\"seconds\":\"20\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 10:05:41.898 app_iperf_end {\"direction\":\"downlink\",\"proto\":\"tcp\",\"mbps\":\"9.91\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 10:05:43.500 app_iperf_start {\"direction\":\"uplink\",\"seconds\":\"10\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 10:05:54.455 app_iperf_end {\"direction\":\"uplink\",\"proto\":\"tcp\",\"mbps\":\"6.18\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 10:05:54.470 app_http_start {\"url\":\"http://example.com/\"}\n 10:05:54.628 app_http_end {\"result\":\"200 dns=0.043050 connect=0.077650 ttfb=0.126912 total=0.127865 bytes=577\"}\n 10:05:54.643 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"10.45.0.1\",\"count\":\"10\"}\n 10:05:59.220 app_ping_end {\"exit\":\"0\"}\n 10:05:59.224 phase_start {\"phase\":\"traffic-2\"}\n 10:06:00.796 app_iperf_start {\"direction\":\"downlink\",\"seconds\":\"30\",\"target_bitrate\":\"20M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 10:06:33.548 app_iperf_end {\"direction\":\"downlink\",\"proto\":\"tcp\",\"mbps\":\"10.24\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 10:06:33.564 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"8.8.8.8\",\"count\":\"30\"}\n 10:06:48.153 app_ping_end {\"exit\":\"0\"}\n 10:06:49.719 app_iperf_start {\"direction\":\"uplink\",\"seconds\":\"15\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 10:07:05.671 app_iperf_end {\"direction\":\"uplink\",\"proto\":\"tcp\",\"mbps\":\"6.01\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n\niperf3 iperf_downlink_100521: protocol=TCP reverse=1 duration_s=20 target_bps=10000000 achieved_bps=9908600 bytes=24772608 retransmits=0 lost_percent=None jitter_ms=None\niperf3 iperf_downlink_100600: protocol=TCP reverse=1 duration_s=30 target_bps=20000000 achieved_bps=10241046 bytes=38404096 retransmits=1080 lost_percent=None jitter_ms=None\niperf3 iperf_uplink_100543: protocol=TCP reverse=0 duration_s=10 target_bps=10000000 achieved_bps=6182002 bytes=7995392 retransmits=14 lost_percent=None jitter_ms=None\niperf3 iperf_uplink_100649: protocol=TCP reverse=0 duration_s=15 target_bps=10000000 achieved_bps=6010587 bytes=11534336 retransmits=47 lost_percent=None jitter_ms=None\nping ping_100510 target=8.8.8.8: sent=20 received=20 loss_percent=0 rtt_min/avg/max/mdev_ms=26.109/37.756/77.270/10.880\nping ping_100554 target=10.45.0.1: sent=10 received=10 loss_percent=0 rtt_min/avg/max/mdev_ms=20.058/29.644/38.957/6.666\nping ping_100633 target=8.8.8.8: sent=30 received=30 loss_percent=0 rtt_min/avg/max/mdev_ms=24.088/37.529/123.475/17.158\nhttp 2026-10-14T10:05:54.626447Z http://example.com/ 200 dns=0.043050 connect=0.077650 ttfb=0.126912 total=0.127865 bytes=577\n\n\nHow did the downlink throughput and retransmission count change between the first and second iperf3 downlink tests, and what were the target bitrates for these tests?"}, {"role": "assistant", "content": "In the first downlink test starting at 10:05:21.450, the target bitrate was 10M, and the achieved throughput was 9.91 Mbps (9,908,600 bps) with 0 retransmits. In the second downlink test starting at 10:06:00.796, the target bitrate was increased to 20M, but the achieved throughput only rose to 10.24 Mbps (10,241,046 bps) and the retransmits increased significantly to 1080. Both tests were performed over a simulated radio link with the gNB scheduler capped at MCS 8."}]}
{"source_repo": "zmq-5g-core-sim-v1", "source_id": "zmq-5g-core-sim-v1__2026-10-14T090558Z_zmq_high-load_batch2__perf__0__chunk0", "source_spec_id": null, "source_version": null, "messages": [{"role": "user", "content": "# Network performance measurements through the 5G user plane (iperf3, ping, HTTP) with procedure timings\nrun_id: 2026-10-14T090558Z_zmq_high-load_batch2\nscenario_label: high-load\nprovenance: measured application results over a simulated radio link (ZMQ); absolute throughput reflects the host, not air\nidentifiers: subscriber ids are keyed pseudonyms (ue-...), not IMSIs\nscenario: sustained traffic: 60 s iperf DL at 40 Mbps and 30 s UL at 20 Mbps, then concurrent ping\nprocedure timings from signalling: registration_ms_mean=171.09 pdu_setup_ms_mean=61.91 sbi_latency_ms_mean=0.56 registration_requests=1 rejects=0\nground-truth timeline (injected conditions and scenario steps; node clock, UTC):\n 09:06:04.858 core_collect_start {\"run_dir\":\"data/raw/zmq_5g_sim/2026-10-14T090558Z_zmq_high-load_batch2/core\"}\n 09:06:06.286 gnb_process_start {\"cycle\":\"1\",\"config\":\"data/raw/zmq_5g_sim/2026-10-14T090558Z_zmq_high-load_batch2/ran/config/gnb.1.yml\",\"radio\":\"zmq (simulated)\"}\n 09:06:09.828 ng_setup_ok {\"cycle\":\"1\"}\n 09:06:11.890 ue_process_start {\"cycle\":\"1\",\"supi\":\"imsi-ue-f1c4a40364f105b2\",\"radio\":\"zmq (simulated)\"}\n 09:06:12.949 ue_registered {\"supi\":\"imsi-ue-f1c4a40364f105b2\"}\n 09:06:12.953 pdu_session_ok {\"iface\":\"tun_srsue (netns ue1)\",\"ue_ip\":\"10.45.0.6\"}\n 09:06:12.957 phase_start {\"phase\":\"traffic-1\"}\n 09:06:12.967 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"8.8.8.8\",\"count\":\"20\"}\n 09:06:22.549 app_ping_end {\"exit\":\"0\"}\n 09:06:24.124 app_iperf_start {\"direction\":\"downlink\",\"seconds\":\"20\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 09:06:44.407 app_iperf_end {\"direction\":\"downlink\",\"proto\":\"tcp\",\"mbps\":\"10.01\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 09:06:45.998 app_iperf_start {\"direction\":\"uplink\",\"seconds\":\"10\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 09:06:56.968 app_iperf_end {\"direction\":\"uplink\",\"proto\":\"tcp\",\"mbps\":\"5.66\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 09:06:56.985 app_http_start {\"url\":\"http://example.com/\"}\n 09:06:57.143 app_http_end {\"result\":\"200 dns=0.047989 connect=0.077413 ttfb=0.123382 total=0.124488 bytes=577\"}\n 09:06:57.158 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"10.45.0.1\",\"count\":\"10\"}\n 09:07:01.723 app_ping_end {\"exit\":\"0\"}\n 09:07:01.728 phase_start {\"phase\":\"high-load\"}\n 09:07:03.315 app_iperf_start {\"direction\":\"downlink\",\"seconds\":\"60\",\"target_bitrate\":\"40M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 09:08:04.028 app_iperf_end {\"direction\":\"downlink\",\"proto\":\"tcp\",\"mbps\":\"38.31\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 09:08:05.594 app_iperf_start {\"direction\":\"uplink\",\"seconds\":\"30\",\"target_bitrate\":\"20M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 09:08:36.537 app_iperf_end {\"direction\":\"uplink\",\"proto\":\"tcp\",\"mbps\":\"6.52\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 09:08:36.551 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"8.8.8.8\",\"count\":\"20\"}\n 09:08:46.145 app_ping_end {\"exit\":\"0\"}\n 09:08:48.292 ue_process_stop\n\niperf3 iperf_downlink_090624: protocol=TCP reverse=1 duration_s=20 target_bps=10000000 achieved_bps=10013807 bytes=25034752 retransmits=0 lost_percent=None jitter_ms=None\niperf3 iperf_downlink_090703: protocol=TCP reverse=1 duration_s=60 target_bps=40000000 achieved_bps=38307653 bytes=287309824 retransmits=1874 lost_percent=None jitter_ms=None\niperf3 iperf_uplink_090646: protocol=TCP reverse=0 duration_s=10 target_bps=10000000 achieved_bps=5660084 bytes=7340032 retransmits=31 lost_percent=None jitter_ms=None\niperf3 iperf_uplink_090805: protocol=TCP reverse=0 duration_s=30 target_bps=20000000 achieved_bps=6524208 bytes=24772608 retransmits=36 lost_percent=None jitter_ms=None\nping ping_090612 target=8.8.8.8: sent=20 received=20 loss_percent=0 rtt_min/avg/max/mdev_ms=24.926/39.036/52.583/6.448\nping ping_090657 target=10.45.0.1: sent=10 received=10 loss_percent=0 rtt_min/avg/max/mdev_ms=22.479/82.890/162.561/59.827\nping ping_090836 target=8.8.8.8: sent=20 received=20 loss_percent=0 rtt_min/avg/max/mdev_ms=25.218/61.091/176.851/46.891\nhttp 2026-10-14T09:06:57.141300Z http://example.com/ 200 dns=0.047989 connect=0.077413 ttfb=0.123382 total=0.124488 bytes=577\n\n\nDuring the 'high-load' phase, how did the achieved downlink and uplink throughput compare to their respective target bitrates?"}, {"role": "assistant", "content": "In the high-load phase, the downlink iperf test started at 09:07:03.315 with a target bitrate of 40M, achieving 38.31 Mbps (38,307,653 bps) by 09:08:04.028. The uplink iperf test started at 09:08:05.594 with a target bitrate of 20M, but achieved only 6.52 Mbps (6,524,208 bps) by 09:08:36.537. While the downlink throughput was close to the target, the uplink throughput was significantly lower than the requested 20 Mbps. These results were measured over a simulated radio link (ZMQ)."}]}
{"source_repo": "zmq-5g-core-sim-v1", "source_id": "zmq-5g-core-sim-v1__2026-10-14T082257Z_zmq_baseline_batch2__perf__0__chunk0", "source_spec_id": null, "source_version": null, "messages": [{"role": "user", "content": "# Network performance measurements through the 5G user plane (iperf3, ping, HTTP) with procedure timings\nrun_id: 2026-10-14T082257Z_zmq_baseline_batch2\nscenario_label: baseline\nprovenance: measured application results over a simulated radio link (ZMQ); absolute throughput reflects the host, not air\nidentifiers: subscriber ids are keyed pseudonyms (ue-...), not IMSIs\nscenario: registration, PDU session, ping, iperf DL/UL, HTTP, idle, deregistration\nprocedure timings from signalling: registration_ms_mean=171.56 pdu_setup_ms_mean=58.12 sbi_latency_ms_mean=0.87 registration_requests=1 rejects=0\nground-truth timeline (injected conditions and scenario steps; node clock, UTC):\n 08:23:04.237 core_collect_start {\"run_dir\":\"data/raw/zmq_5g_sim/2026-10-14T082257Z_zmq_baseline_batch2/core\"}\n 08:23:05.668 gnb_process_start {\"cycle\":\"1\",\"config\":\"data/raw/zmq_5g_sim/2026-10-14T082257Z_zmq_baseline_batch2/ran/config/gnb.1.yml\",\"radio\":\"zmq (simulated)\"}\n 08:23:09.717 ng_setup_ok {\"cycle\":\"1\"}\n 08:23:11.780 ue_process_start {\"cycle\":\"1\",\"supi\":\"imsi-ue-f1c4a40364f105b2\",\"radio\":\"zmq (simulated)\"}\n 08:23:12.854 ue_registered {\"supi\":\"imsi-ue-f1c4a40364f105b2\"}\n 08:23:12.860 pdu_session_ok {\"iface\":\"tun_srsue (netns ue1)\",\"ue_ip\":\"10.45.0.9\"}\n 08:23:12.863 phase_start {\"phase\":\"traffic-1\"}\n 08:23:12.877 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"8.8.8.8\",\"count\":\"20\"}\n 08:23:22.456 app_ping_end {\"exit\":\"0\"}\n 08:23:23.564 app_iperf_start {\"direction\":\"downlink\",\"seconds\":\"20\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 08:23:23.711 app_iperf_end {\"direction\":\"downlink\",\"proto\":\"tcp\",\"mbps\":\"0.0\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 08:23:24.791 app_iperf_start {\"direction\":\"uplink\",\"seconds\":\"10\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 08:23:24.948 app_iperf_end {\"direction\":\"uplink\",\"proto\":\"tcp\",\"mbps\":\"0.0\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 08:23:24.968 app_http_start {\"url\":\"http://example.com/\"}\n 08:23:25.141 app_http_end {\"result\":\"200 dns=0.043858 connect=0.078618 ttfb=0.128099 total=0.129067 bytes=577\"}\n 08:23:25.157 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"10.45.0.1\",\"count\":\"10\"}\n 08:23:29.713 app_ping_end {\"exit\":\"0\"}\n 08:23:29.716 phase_start {\"phase\":\"idle\"}\n 08:23:51.902 ue_process_stop\n 08:23:55.040 gnb_process_stop\n 08:23:59.184 ue_process_stop\n 08:24:01.335 gnb_process_stop\n 08:24:05.605 core_collect_stop\n\niperf3 iperf_downlink_082323: error=the server is busy running a test. try again later\niperf3 iperf_uplink_082324: error=the server is busy running a test. try again later\nping ping_082312 target=8.8.8.8: sent=20 received=20 loss_percent=0 rtt_min/avg/max/mdev_ms=23.877/35.095/47.555/6.818\nping ping_082325 target=10.45.0.1: sent=10 received=10 loss_percent=0 rtt_min/avg/max/mdev_ms=23.688/31.422/40.122/5.947\nhttp 2026-10-14T08:23:25.138620Z http://example.com/ 200 dns=0.043858 connect=0.078618 ttfb=0.128099 total=0.129067 bytes=577\n\n\nWhat were the results of the iperf3 downlink and uplink tests for ue-f1c4a40364f105b2, and why were the reported mbps values 0.0?"}, {"role": "assistant", "content": "The iperf3 downlink test started at 08:23:23.564 and ended at 08:23:23.711, and the uplink test started at 08:23:24.791 and ended at 08:23:24.948; both reported 0.0 mbps. The records indicate that these tests failed because the server was unavailable, with the logs stating 'error=the server is busy running a test. try again later' for both the downlink (iperf_downlink_082323) and uplink (iperf_uplink_082324) attempts. Consequently, no actual data throughput was measured over the simulated ZMQ radio link for these specific procedures."}]}
{"source_repo": "zmq-5g-core-sim-v1", "source_id": "zmq-5g-core-sim-v1__2026-10-14T104956Z_zmq_amf-restart_batch2__perf__0__chunk0", "source_spec_id": null, "source_version": null, "messages": [{"role": "user", "content": "# Network performance measurements through the 5G user plane (iperf3, ping, HTTP) with procedure timings\nrun_id: 2026-10-14T104956Z_zmq_amf-restart_batch2\nscenario_label: amf-restart\nprovenance: measured application results over a simulated radio link (ZMQ); absolute throughput reflects the host, not air\nidentifiers: subscriber ids are keyed pseudonyms (ue-...), not IMSIs\nscenario: baseline traffic, AMF restarted mid-session (NG association lost), then a fresh cycle\nprocedure timings from signalling: registration_ms_mean=171.72 pdu_setup_ms_mean=57.21 sbi_latency_ms_mean=0.94 registration_requests=2 rejects=0\nground-truth timeline (injected conditions and scenario steps; node clock, UTC):\n 10:50:03.306 core_collect_start {\"run_dir\":\"data/raw/zmq_5g_sim/2026-10-14T104956Z_zmq_amf-restart_batch2/core\"}\n 10:50:04.724 gnb_process_start {\"cycle\":\"1\",\"config\":\"data/raw/zmq_5g_sim/2026-10-14T104956Z_zmq_amf-restart_batch2/ran/config/gnb.1.yml\",\"radio\":\"zmq (simulated)\"}\n 10:50:08.264 ng_setup_ok {\"cycle\":\"1\"}\n 10:50:10.327 ue_process_start {\"cycle\":\"1\",\"supi\":\"imsi-ue-f1c4a40364f105b2\",\"radio\":\"zmq (simulated)\"}\n 10:50:11.385 ue_registered {\"supi\":\"imsi-ue-f1c4a40364f105b2\"}\n 10:50:11.391 pdu_session_ok {\"iface\":\"tun_srsue (netns ue1)\",\"ue_ip\":\"10.45.0.10\"}\n 10:50:11.396 phase_start {\"phase\":\"traffic-1\"}\n 10:50:11.410 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"8.8.8.8\",\"count\":\"20\"}\n 10:50:20.993 app_ping_end {\"exit\":\"0\"}\n 10:50:22.590 app_iperf_start {\"direction\":\"downlink\",\"seconds\":\"20\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 10:50:42.891 app_iperf_end {\"direction\":\"downlink\",\"proto\":\"tcp\",\"mbps\":\"10.01\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 10:50:44.462 app_iperf_start {\"direction\":\"uplink\",\"seconds\":\"10\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 10:50:55.454 app_iperf_end {\"direction\":\"uplink\",\"proto\":\"tcp\",\"mbps\":\"6.07\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 10:50:55.469 app_http_start {\"url\":\"http://example.com/\"}\n 10:50:55.660 app_http_end {\"result\":\"200 dns=0.087274 connect=0.105960 ttfb=0.157283 total=0.158339 bytes=577\"}\n 10:50:55.675 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"10.45.0.1\",\"count\":\"10\"}\n 10:51:00.240 app_ping_end {\"exit\":\"0\"}\n 10:51:00.257 fault_start {\"fault\":\"restart-nf\",\"target\":\"open5gs-amfd\"}\n 10:51:03.475 fault_end {\"fault\":\"restart-nf\",\"target\":\"open5gs-amfd\",\"active\":\"active\"}\n 10:51:06.479 phase_start {\"phase\":\"after-fault-same-session\"}\n 10:51:06.491 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"10.45.0.1\",\"count\":\"10\"}\n 10:51:21.056 app_ping_end {\"exit\":\"1\"}\n 10:51:22.626 app_iperf_start {\"direction\":\"downlink\",\"seconds\":\"10\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 10:51:47.005 app_iperf_end {\"direction\":\"downlink\",\"proto\":\"tcp\",\"mbps\":\"0.0\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 10:51:49.188 ue_process_stop\n\niperf3 iperf_downlink_105022: protocol=TCP reverse=1 duration_s=20 target_bps=10000000 achieved_bps=10013691 bytes=25034752 retransmits=0 lost_percent=None jitter_ms=None\niperf3 iperf_downlink_105122: error=unable to connect to server - server may have stopped running or use a different port, firewall issue, etc.: Connection timed out\niperf3 iperf_downlink_105215: protocol=TCP reverse=1 duration_s=10 target_bps=10000000 achieved_bps=10065408 bytes=12582912 retransmits=0 lost_percent=None jitter_ms=None\niperf3 iperf_uplink_105044: protocol=TCP reverse=0 duration_s=10 target_bps=10000000 achieved_bps=6070197 bytes=7864320 retransmits=18 lost_percent=None jitter_ms=None\niperf3 iperf_uplink_105227: protocol=TCP reverse=0 duration_s=5 target_bps=10000000 achieved_bps=5563450 bytes=3670016 retransmits=0 lost_percent=None jitter_ms=None\nping ping_105011 target=8.8.8.8: sent=20 received=20 loss_percent=0 rtt_min/avg/max/mdev_ms=25.769/34.339/44.334/6.468\nping ping_105055 target=10.45.0.1: sent=10 received=10 loss_percent=0 rtt_min/avg/max/mdev_ms=24.354/60.778/165.889/51.927\nping ping_105106 target=10.45.0.1: sent=10 received=0 loss_percent=100 rtt_min/avg/max/mdev_ms=None\nping ping_105204 target=8.8.8.8: sent=20 received=20 loss_percent=0 rtt_min/avg/max/mdev_ms=25.878/40.149/118.343/18.756\nping ping_105233 target=10.45.0.1: sent=10 received=10 loss_percent=0 rtt_min/avg/max/mdev_ms=23.164/59.954/164.372/49.407\nhttp 2026-10-14T10:50:55.658072Z http://example.com/ 200 dns=0.087274 connect=0.105960 ttfb=0.157283 total=0.158339 bytes=577\nhttp 2026-10-14T10:52:33.129179Z http://example.com/ 200 dns=0.035039 connect=0.072260 ttfb=0.119284 total=0.120326 bytes=577\n\n\nHow did the application performance change for ue-f1c4a40364f105b2 after the open5gs-amfd restart fault occurred?"}, {"role": "assistant", "content": "Following the fault_start at 10:51:00.257 and fault_end at 10:51:03.475 for open5gs-amfd, application connectivity failed during the 'after-fault-same-session' phase. A ping test to 10.45.0.1 starting at 10:51:06.491 ended at 10:51:21.056 with an exit code of 1 and 100% packet loss (0 received). Subsequently, a downlink iperf test starting at 10:51:22.626 failed with a connection timeout error and reported 0.0 mbps at 10:51:47.005. This contrasts with the baseline traffic phase, where the UE successfully completed a ping to 10.45.0.1 at 10:51:00.240 and achieved 10.01 mbps in a downlink iperf test ending at 10:50:42.891."}]}
{"source_repo": "zmq-5g-core-sim-v1", "source_id": "zmq-5g-core-sim-v1__2026-10-14T083102Z_zmq_upf-restart_batch2__perf__0__chunk0", "source_spec_id": null, "source_version": null, "messages": [{"role": "user", "content": "# Network performance measurements through the 5G user plane (iperf3, ping, HTTP) with procedure timings\nrun_id: 2026-10-14T083102Z_zmq_upf-restart_batch2\nscenario_label: upf-restart\nprovenance: measured application results over a simulated radio link (ZMQ); absolute throughput reflects the host, not air\nidentifiers: subscriber ids are keyed pseudonyms (ue-...), not IMSIs\nscenario: baseline traffic, UPF restarted mid-session, then a fresh registration cycle with traffic\nprocedure timings from signalling: registration_ms_mean=171.29 pdu_setup_ms_mean=62.91 sbi_latency_ms_mean=0.81 registration_requests=2 rejects=0\nground-truth timeline (injected conditions and scenario steps; node clock, UTC):\n 08:31:09.048 core_collect_start {\"run_dir\":\"data/raw/zmq_5g_sim/2026-10-14T083102Z_zmq_upf-restart_batch2/core\"}\n 08:31:10.503 gnb_process_start {\"cycle\":\"1\",\"config\":\"data/raw/zmq_5g_sim/2026-10-14T083102Z_zmq_upf-restart_batch2/ran/config/gnb.1.yml\",\"radio\":\"zmq (simulated)\"}\n 08:31:14.051 ng_setup_ok {\"cycle\":\"1\"}\n 08:31:16.111 ue_process_start {\"cycle\":\"1\",\"supi\":\"imsi-ue-f1c4a40364f105b2\",\"radio\":\"zmq (simulated)\"}\n 08:31:17.173 ue_registered {\"supi\":\"imsi-ue-f1c4a40364f105b2\"}\n 08:31:17.179 pdu_session_ok {\"iface\":\"tun_srsue (netns ue1)\",\"ue_ip\":\"10.45.0.4\"}\n 08:31:17.183 phase_start {\"phase\":\"traffic-1\"}\n 08:31:17.195 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"8.8.8.8\",\"count\":\"20\"}\n 08:31:26.777 app_ping_end {\"exit\":\"0\"}\n 08:31:28.353 app_iperf_start {\"direction\":\"downlink\",\"seconds\":\"20\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 08:31:48.685 app_iperf_end {\"direction\":\"downlink\",\"proto\":\"tcp\",\"mbps\":\"10.01\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 08:31:50.252 app_iperf_start {\"direction\":\"uplink\",\"seconds\":\"10\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 08:32:01.268 app_iperf_end {\"direction\":\"uplink\",\"proto\":\"tcp\",\"mbps\":\"6.08\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 08:32:01.285 app_http_start {\"url\":\"http://example.com/\"}\n 08:32:01.526 app_http_end {\"result\":\"200 dns=0.044571 connect=0.074062 ttfb=0.196676 total=0.197784 bytes=577\"}\n 08:32:01.541 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"10.45.0.1\",\"count\":\"10\"}\n 08:32:06.107 app_ping_end {\"exit\":\"0\"}\n 08:32:06.123 fault_start {\"fault\":\"restart-nf\",\"target\":\"open5gs-upfd\"}\n 08:32:09.369 fault_end {\"fault\":\"restart-nf\",\"target\":\"open5gs-upfd\",\"active\":\"active\"}\n 08:32:12.373 phase_start {\"phase\":\"after-fault-same-session\"}\n 08:32:12.388 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"10.45.0.1\",\"count\":\"10\"}\n 08:32:26.962 app_ping_end {\"exit\":\"1\"}\n 08:32:28.533 app_iperf_start {\"direction\":\"downlink\",\"seconds\":\"10\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 08:32:38.785 app_iperf_end {\"direction\":\"downlink\",\"proto\":\"tcp\",\"mbps\":\"10.07\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 08:32:40.947 ue_process_stop\n\niperf3 iperf_downlink_083128: protocol=TCP reverse=1 duration_s=20 target_bps=10000000 achieved_bps=10013710 bytes=25034752 retransmits=0 lost_percent=None jitter_ms=None\niperf3 iperf_downlink_083228: protocol=TCP reverse=1 duration_s=10 target_bps=10000000 achieved_bps=10065835 bytes=12582912 retransmits=0 lost_percent=None jitter_ms=None\niperf3 iperf_downlink_083307: protocol=TCP reverse=1 duration_s=10 target_bps=10000000 achieved_bps=10065264 bytes=12582912 retransmits=0 lost_percent=None jitter_ms=None\niperf3 iperf_uplink_083150: protocol=TCP reverse=0 duration_s=10 target_bps=10000000 achieved_bps=6079977 bytes=7864320 retransmits=17 lost_percent=None jitter_ms=None\niperf3 iperf_uplink_083318: protocol=TCP reverse=0 duration_s=5 target_bps=10000000 achieved_bps=5726412 bytes=3801088 retransmits=0 lost_percent=None jitter_ms=None\nping ping_083117 target=8.8.8.8: sent=20 received=20 loss_percent=0 rtt_min/avg/max/mdev_ms=24.396/38.628/51.489/9.010\nping ping_083201 target=10.45.0.1: sent=10 received=10 loss_percent=0 rtt_min/avg/max/mdev_ms=18.075/66.245/162.872/59.337\nping ping_083212 target=10.45.0.1: sent=10 received=0 loss_percent=100 rtt_min/avg/max/mdev_ms=None\nping ping_083255 target=8.8.8.8: sent=20 received=20 loss_percent=0 rtt_min/avg/max/mdev_ms=31.268/41.384/62.763/7.880\nping ping_083325 target=10.45.0.1: sent=10 received=10 loss_percent=0 rtt_min/avg/max/mdev_ms=15.333/70.065/164.453/57.924\nhttp 2026-10-14T08:32:01.521289Z http://example.com/ 200 dns=0.044571 connect=0.074062 ttfb=0.196676 total=0.197784 bytes=577\nhttp 2026-10-14T08:33:25.021677Z http://example.com/ 200 dns=0.044903 connect=0.074198 ttfb=0.127724 total=0.128782 bytes=577\n\n\nWhat was the impact of the open5gs-upfd restart on the connectivity of ue-f1c4a40364f105b2 during the 'after-fault-same-session' phase?"}, {"role": "assistant", "content": "The open5gs-upfd restart occurred between 08:32:06.123 and 08:32:09.369. Immediately following this in the 'after-fault-same-session' phase, a ping test started at 08:32:12.388 and ended at 08:32:26.962, which resulted in a total failure with 100% packet loss (sent=10, received=0) and an exit code of 1. However, subsequent downlink iperf traffic started at 08:32:28.533 and ended at 08:32:38.785, achieving a throughput of 10.07 Mbps. This indicates that while initial ping attempts failed immediately after the UPF restart, the user plane regained the ability to pass TCP traffic shortly thereafter."}]}
{"source_repo": "zmq-5g-core-sim-v1", "source_id": "zmq-5g-core-sim-v1__2026-10-14T095644Z_zmq_ausf-stop_batch2__perf__0__chunk0", "source_spec_id": null, "source_version": null, "messages": [{"role": "user", "content": "# Network performance measurements through the 5G user plane (iperf3, ping, HTTP) with procedure timings\nrun_id: 2026-10-14T095644Z_zmq_ausf-stop_batch2\nscenario_label: ausf-stop\nprovenance: measured application results over a simulated radio link (ZMQ); absolute throughput reflects the host, not air\nidentifiers: subscriber ids are keyed pseudonyms (ue-...), not IMSIs\nscenario: AUSF stopped for 20 s while the UE registers (authentication failure), then recovery\nprocedure timings from signalling: registration_ms_mean=171.14 pdu_setup_ms_mean=66.7 sbi_latency_ms_mean=0.74 registration_requests=2 rejects=1\nground-truth timeline (injected conditions and scenario steps; node clock, UTC):\n 09:56:51.161 core_collect_start {\"run_dir\":\"data/raw/zmq_5g_sim/2026-10-14T095644Z_zmq_ausf-stop_batch2/core\"}\n 09:56:52.584 gnb_process_start {\"cycle\":\"1\",\"config\":\"data/raw/zmq_5g_sim/2026-10-14T095644Z_zmq_ausf-stop_batch2/ran/config/gnb.1.yml\",\"radio\":\"zmq (simulated)\"}\n 09:56:56.633 ng_setup_ok {\"cycle\":\"1\"}\n 09:56:58.636 phase_start {\"phase\":\"ausf-outage\"}\n 09:57:00.698 ue_process_start {\"cycle\":\"1\",\"supi\":\"imsi-ue-f1c4a40364f105b2\",\"radio\":\"zmq (simulated)\"}\n 09:57:26.016 ue_registration_timeout\n 09:56:58.646 fault_start {\"fault\":\"stop-nf\",\"target\":\"open5gs-ausfd\",\"duration_s\":\"20\"}\n 09:57:20.828 fault_end {\"fault\":\"stop-nf\",\"target\":\"open5gs-ausfd\",\"active\":\"active\"}\n 09:57:26.022 phase_start {\"phase\":\"recovery\"}\n 09:57:28.194 ue_process_stop\n 09:57:31.313 gnb_process_stop\n 09:57:36.452 gnb_process_start {\"cycle\":\"2\",\"config\":\"data/raw/zmq_5g_sim/2026-10-14T095644Z_zmq_ausf-stop_batch2/ran/config/gnb.2.yml\",\"radio\":\"zmq (simulated)\"}\n 09:57:39.996 ng_setup_ok {\"cycle\":\"2\"}\n 09:57:42.059 ue_process_start {\"cycle\":\"2\",\"supi\":\"imsi-ue-f1c4a40364f105b2\",\"radio\":\"zmq (simulated)\"}\n 09:57:43.115 ue_registered {\"supi\":\"imsi-ue-f1c4a40364f105b2\"}\n 09:57:43.121 pdu_session_ok {\"iface\":\"tun_srsue (netns ue1)\",\"ue_ip\":\"10.45.0.16\"}\n 09:57:43.135 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"8.8.8.8\",\"count\":\"20\"}\n 09:57:52.707 app_ping_end {\"exit\":\"0\"}\n 09:57:54.277 app_iperf_start {\"direction\":\"downlink\",\"seconds\":\"10\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 09:58:04.530 app_iperf_end {\"direction\":\"downlink\",\"proto\":\"tcp\",\"mbps\":\"10.07\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 09:58:06.105 app_iperf_start {\"direction\":\"uplink\",\"seconds\":\"5\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 09:58:11.950 app_iperf_end {\"direction\":\"uplink\",\"proto\":\"tcp\",\"mbps\":\"5.74\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 09:58:11.964 app_http_start {\"url\":\"http://example.com/\"}\n 09:58:12.115 app_http_end {\"result\":\"200 dns=0.031892 connect=0.068989 ttfb=0.118188 total=0.119362 bytes=577\"}\n 09:58:12.129 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"10.45.0.1\",\"count\":\"10\"}\n\niperf3 iperf_downlink_095754: protocol=TCP reverse=1 duration_s=10 target_bps=10000000 achieved_bps=10066087 bytes=12582912 retransmits=1 lost_percent=None jitter_ms=None\niperf3 iperf_uplink_095806: protocol=TCP reverse=0 duration_s=5 target_bps=10000000 achieved_bps=5740174 bytes=3801088 retransmits=0 lost_percent=None jitter_ms=None\nping ping_095743 target=8.8.8.8: sent=20 received=20 loss_percent=0 rtt_min/avg/max/mdev_ms=25.531/37.341/49.995/7.410\nping ping_095812 target=10.45.0.1: sent=10 received=10 loss_percent=0 rtt_min/avg/max/mdev_ms=21.233/68.416/162.797/57.173\nhttp 2026-10-14T09:58:12.113423Z http://example.com/ 200 dns=0.031892 connect=0.068989 ttfb=0.118188 total=0.119362 bytes=577\n\n\nHow did the AUSF outage affect the initial registration attempt of ue-f1c4a40364f105b2, and when was the subscriber finally able to establish a PDU session?"}, {"role": "assistant", "content": "The AUSF outage began at 09:56:58.646 and lasted for 20 seconds, ending at 09:57:20.828. During this period, ue-f1c4a40364f105b2 started its process at 09:57:00.698 but encountered a registration timeout at 09:57:26.016, which is consistent with the reported 1 registration reject in the procedure timings. Following the recovery phase, the UE process restarted at 09:57:42.059 and successfully registered at 09:57:43.115. The PDU session was successfully established immediately after at 09:57:43.121 for IP 10.45.0.16."}]}
{"source_repo": "zmq-5g-core-sim-v1", "source_id": "zmq-5g-core-sim-v1__2026-10-14T103357Z_zmq_smf-restart_batch2__perf__0__chunk0", "source_spec_id": null, "source_version": null, "messages": [{"role": "user", "content": "# Network performance measurements through the 5G user plane (iperf3, ping, HTTP) with procedure timings\nrun_id: 2026-10-14T103357Z_zmq_smf-restart_batch2\nscenario_label: smf-restart\nprovenance: measured application results over a simulated radio link (ZMQ); absolute throughput reflects the host, not air\nidentifiers: subscriber ids are keyed pseudonyms (ue-...), not IMSIs\nscenario: baseline traffic, SMF restarted mid-session, then a fresh registration cycle with traffic\nprocedure timings from signalling: registration_ms_mean=171.8 pdu_setup_ms_mean=50.22 sbi_latency_ms_mean=0.7 registration_requests=2 rejects=0\nground-truth timeline (injected conditions and scenario steps; node clock, UTC):\n 10:34:03.582 core_collect_start {\"run_dir\":\"data/raw/zmq_5g_sim/2026-10-14T103357Z_zmq_smf-restart_batch2/core\"}\n 10:34:05.043 gnb_process_start {\"cycle\":\"1\",\"config\":\"data/raw/zmq_5g_sim/2026-10-14T103357Z_zmq_smf-restart_batch2/ran/config/gnb.1.yml\",\"radio\":\"zmq (simulated)\"}\n 10:34:09.094 ng_setup_ok {\"cycle\":\"1\"}\n 10:34:11.158 ue_process_start {\"cycle\":\"1\",\"supi\":\"imsi-ue-f1c4a40364f105b2\",\"radio\":\"zmq (simulated)\"}\n 10:34:12.221 ue_registered {\"supi\":\"imsi-ue-f1c4a40364f105b2\"}\n 10:34:12.226 pdu_session_ok {\"iface\":\"tun_srsue (netns ue1)\",\"ue_ip\":\"10.45.0.22\"}\n 10:34:12.229 phase_start {\"phase\":\"traffic-1\"}\n 10:34:12.241 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"8.8.8.8\",\"count\":\"20\"}\n 10:34:21.813 app_ping_end {\"exit\":\"0\"}\n 10:34:23.385 app_iperf_start {\"direction\":\"downlink\",\"seconds\":\"20\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 10:34:43.680 app_iperf_end {\"direction\":\"downlink\",\"proto\":\"tcp\",\"mbps\":\"10.01\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 10:34:45.253 app_iperf_start {\"direction\":\"uplink\",\"seconds\":\"10\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 10:34:56.206 app_iperf_end {\"direction\":\"uplink\",\"proto\":\"tcp\",\"mbps\":\"5.97\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 10:34:56.222 app_http_start {\"url\":\"http://example.com/\"}\n 10:34:56.387 app_http_end {\"result\":\"200 dns=0.057054 connect=0.077982 ttfb=0.123938 total=0.124867 bytes=577\"}\n 10:34:56.404 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"10.45.0.1\",\"count\":\"10\"}\n 10:35:00.956 app_ping_end {\"exit\":\"0\"}\n 10:35:00.970 fault_start {\"fault\":\"restart-nf\",\"target\":\"open5gs-smfd\"}\n 10:35:04.142 fault_end {\"fault\":\"restart-nf\",\"target\":\"open5gs-smfd\",\"active\":\"active\"}\n 10:35:07.146 phase_start {\"phase\":\"after-fault-same-session\"}\n 10:35:07.161 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"10.45.0.1\",\"count\":\"10\"}\n 10:35:21.720 app_ping_end {\"exit\":\"1\"}\n 10:35:23.289 app_iperf_start {\"direction\":\"downlink\",\"seconds\":\"10\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 10:35:47.655 app_iperf_end {\"direction\":\"downlink\",\"proto\":\"tcp\",\"mbps\":\"0.0\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 10:35:49.800 ue_process_stop\n\niperf3 iperf_downlink_103423: protocol=TCP reverse=1 duration_s=20 target_bps=10000000 achieved_bps=10013795 bytes=25034752 retransmits=0 lost_percent=None jitter_ms=None\niperf3 iperf_downlink_103523: error=unable to connect to server - server may have stopped running or use a different port, firewall issue, etc.: Connection timed out\niperf3 iperf_downlink_103615: protocol=TCP reverse=1 duration_s=10 target_bps=10000000 achieved_bps=10065532 bytes=12582912 retransmits=0 lost_percent=None jitter_ms=None\niperf3 iperf_uplink_103445: protocol=TCP reverse=0 duration_s=10 target_bps=10000000 achieved_bps=5970026 bytes=7733248 retransmits=21 lost_percent=None jitter_ms=None\niperf3 iperf_uplink_103627: protocol=TCP reverse=0 duration_s=5 target_bps=10000000 achieved_bps=5513744 bytes=3670016 retransmits=0 lost_percent=None jitter_ms=None\nping ping_103412 target=8.8.8.8: sent=20 received=20 loss_percent=0 rtt_min/avg/max/mdev_ms=24.081/34.016/44.946/6.509\nping ping_103456 target=10.45.0.1: sent=10 received=10 loss_percent=0 rtt_min/avg/max/mdev_ms=19.620/70.303/168.725/60.596\nping ping_103507 target=10.45.0.1: sent=10 received=0 loss_percent=100 rtt_min/avg/max/mdev_ms=None\nping ping_103604 target=8.8.8.8: sent=20 received=20 loss_percent=0 rtt_min/avg/max/mdev_ms=26.466/38.587/104.140/16.403\nping ping_103633 target=10.45.0.1: sent=10 received=10 loss_percent=0 rtt_min/avg/max/mdev_ms=20.765/57.055/162.920/50.073\nhttp 2026-10-14T10:34:56.383994Z http://example.com/ 200 dns=0.057054 connect=0.077982 ttfb=0.123938 total=0.124867 bytes=577\nhttp 2026-10-14T10:36:33.782902Z http://example.com/ 200 dns=0.059421 connect=0.080283 ttfb=0.128533 total=0.129577 bytes=577\n\n\nWhat was the impact of the open5gs-smfd restart on the user plane connectivity for the active session, and how did the downlink iperf3 performance change between the baseline and the post-fault attempt?"}, {"role": "assistant", "content": "The restart of open5gs-smfd, which occurred between 10:35:00.970 and 10:35:04.142, caused a total loss of connectivity for the active session. A ping test started at 10:35:07.161 resulted in 100% packet loss (sent=10, received=0), and a subsequent downlink iperf3 attempt at 10:35:23.289 failed with a 'Connection timed out' error, resulting in 0.0 mbps. In contrast, the baseline downlink iperf3 test at 10:34:23.385 was successful, achieving 10.01 mbps (10013795 bps) over 20 seconds. The document shows that connectivity was not restored within the 'after-fault-same-session' phase, as the iperf3 attempt at 10:35:23.289 failed."}]}
{"source_repo": "zmq-5g-core-sim-v1", "source_id": "zmq-5g-core-sim-v1__2026-10-14T082410Z_zmq_reattach_batch2__perf__0__chunk0", "source_spec_id": null, "source_version": null, "messages": [{"role": "user", "content": "# Network performance measurements through the 5G user plane (iperf3, ping, HTTP) with procedure timings\nrun_id: 2026-10-14T082410Z_zmq_reattach_batch2\nscenario_label: reattach\nprovenance: measured application results over a simulated radio link (ZMQ); absolute throughput reflects the host, not air\nidentifiers: subscriber ids are keyed pseudonyms (ue-...), not IMSIs\nscenario: four register/PDU-session/release cycles with gNB restart between cycles\nprocedure timings from signalling: registration_ms_mean=176.46 pdu_setup_ms_mean=55.76 sbi_latency_ms_mean=1.25 registration_requests=4 rejects=0\nground-truth timeline (injected conditions and scenario steps; node clock, UTC):\n 08:24:17.398 core_collect_start {\"run_dir\":\"data/raw/zmq_5g_sim/2026-10-14T082410Z_zmq_reattach_batch2/core\"}\n 08:24:18.754 phase_start {\"phase\":\"cycle-1\"}\n 08:24:18.866 gnb_process_start {\"cycle\":\"1\",\"config\":\"data/raw/zmq_5g_sim/2026-10-14T082410Z_zmq_reattach_batch2/ran/config/gnb.1.yml\",\"radio\":\"zmq (simulated)\"}\n 08:24:22.921 ng_setup_ok {\"cycle\":\"1\"}\n 08:24:24.988 ue_process_start {\"cycle\":\"1\",\"supi\":\"imsi-ue-f1c4a40364f105b2\",\"radio\":\"zmq (simulated)\"}\n 08:24:26.061 ue_registered {\"supi\":\"imsi-ue-f1c4a40364f105b2\"}\n 08:24:26.066 pdu_session_ok {\"iface\":\"tun_srsue (netns ue1)\",\"ue_ip\":\"10.45.0.10\"}\n 08:24:26.086 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"10.45.0.1\",\"count\":\"5\"}\n 08:24:28.160 app_ping_end {\"exit\":\"0\"}\n 08:24:30.304 ue_process_stop\n 08:24:33.432 gnb_process_stop\n 08:24:35.439 phase_start {\"phase\":\"cycle-2\"}\n 08:24:35.569 gnb_process_start {\"cycle\":\"2\",\"config\":\"data/raw/zmq_5g_sim/2026-10-14T082410Z_zmq_reattach_batch2/ran/config/gnb.2.yml\",\"radio\":\"zmq (simulated)\"}\n 08:24:39.113 ng_setup_ok {\"cycle\":\"2\"}\n 08:24:41.171 ue_process_start {\"cycle\":\"2\",\"supi\":\"imsi-ue-f1c4a40364f105b2\",\"radio\":\"zmq (simulated)\"}\n 08:24:42.230 ue_registered {\"supi\":\"imsi-ue-f1c4a40364f105b2\"}\n 08:24:42.235 pdu_session_ok {\"iface\":\"tun_srsue (netns ue1)\",\"ue_ip\":\"10.45.0.11\"}\n 08:24:42.251 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"10.45.0.1\",\"count\":\"5\"}\n 08:24:44.315 app_ping_end {\"exit\":\"0\"}\n 08:24:46.477 ue_process_stop\n 08:24:49.626 gnb_process_stop\n 08:24:51.630 phase_start {\"phase\":\"cycle-3\"}\n 08:24:51.750 gnb_process_start {\"cycle\":\"3\",\"config\":\"data/raw/zmq_5g_sim/2026-10-14T082410Z_zmq_reattach_batch2/ran/config/gnb.3.yml\",\"radio\":\"zmq (simulated)\"}\n 08:24:55.289 ng_setup_ok {\"cycle\":\"3\"}\n 08:24:57.348 ue_process_start {\"cycle\":\"3\",\"supi\":\"imsi-ue-f1c4a40364f105b2\",\"radio\":\"zmq (simulated)\"}\n\nping ping_082426 target=10.45.0.1: sent=5 received=5 loss_percent=0 rtt_min/avg/max/mdev_ms=25.909/34.798/39.702/4.949\nping ping_082442 target=10.45.0.1: sent=5 received=5 loss_percent=0 rtt_min/avg/max/mdev_ms=24.633/30.931/35.681/5.125\nping ping_082458 target=10.45.0.1: sent=5 received=5 loss_percent=0 rtt_min/avg/max/mdev_ms=28.635/34.841/40.403/5.088\nping ping_082515 target=10.45.0.1: sent=5 received=5 loss_percent=0 rtt_min/avg/max/mdev_ms=23.329/31.909/38.904/5.737\n\n\nHow did the UE IP address change between cycle-1 and cycle-2, and what were the corresponding average ping RTTs for those cycles?"}, {"role": "assistant", "content": "In cycle-1, the UE was assigned the IP address 10.45.0.10 at 08:24:26.066, and the subsequent ping test (ping_082426) showed an average RTT of 34.798 ms. In cycle-2, the UE was assigned a different IP address, 10.45.0.11, at 08:24:42.235, and the corresponding ping test (ping_082442) showed a lower average RTT of 30.931 ms. Both tests targeted 10.45.0.1 and reported 0% packet loss."}]}
{"source_repo": "zmq-5g-core-sim-v1", "source_id": "zmq-5g-core-sim-v1__2026-10-14T112734Z_zmq_udm-stop_batch2__perf__0__chunk0", "source_spec_id": null, "source_version": null, "messages": [{"role": "user", "content": "# Network performance measurements through the 5G user plane (iperf3, ping, HTTP) with procedure timings\nrun_id: 2026-10-14T112734Z_zmq_udm-stop_batch2\nscenario_label: udm-stop\nprovenance: measured application results over a simulated radio link (ZMQ); absolute throughput reflects the host, not air\nidentifiers: subscriber ids are keyed pseudonyms (ue-...), not IMSIs\nscenario: UDM stopped for 20 s while the UE registers (authentication failure), then recovery\nprocedure timings from signalling: registration_ms_mean=170.68 pdu_setup_ms_mean=61.78 sbi_latency_ms_mean=0.89 registration_requests=2 rejects=1\nground-truth timeline (injected conditions and scenario steps; node clock, UTC):\n 11:27:41.052 core_collect_start {\"run_dir\":\"data/raw/zmq_5g_sim/2026-10-14T112734Z_zmq_udm-stop_batch2/core\"}\n 11:27:42.486 gnb_process_start {\"cycle\":\"1\",\"config\":\"data/raw/zmq_5g_sim/2026-10-14T112734Z_zmq_udm-stop_batch2/ran/config/gnb.1.yml\",\"radio\":\"zmq (simulated)\"}\n 11:27:46.537 ng_setup_ok {\"cycle\":\"1\"}\n 11:27:48.541 phase_start {\"phase\":\"udm-outage\"}\n 11:27:50.604 ue_process_start {\"cycle\":\"1\",\"supi\":\"imsi-ue-f1c4a40364f105b2\",\"radio\":\"zmq (simulated)\"}\n 11:28:15.920 ue_registration_timeout\n 11:27:48.552 fault_start {\"fault\":\"stop-nf\",\"target\":\"open5gs-udmd\",\"duration_s\":\"20\"}\n 11:28:10.739 fault_end {\"fault\":\"stop-nf\",\"target\":\"open5gs-udmd\",\"active\":\"active\"}\n 11:28:15.927 phase_start {\"phase\":\"recovery\"}\n 11:28:18.077 ue_process_stop\n 11:28:21.198 gnb_process_stop\n 11:28:26.314 gnb_process_start {\"cycle\":\"2\",\"config\":\"data/raw/zmq_5g_sim/2026-10-14T112734Z_zmq_udm-stop_batch2/ran/config/gnb.2.yml\",\"radio\":\"zmq (simulated)\"}\n 11:28:30.365 ng_setup_ok {\"cycle\":\"2\"}\n 11:28:32.427 ue_process_start {\"cycle\":\"2\",\"supi\":\"imsi-ue-f1c4a40364f105b2\",\"radio\":\"zmq (simulated)\"}\n 11:28:33.494 ue_registered {\"supi\":\"imsi-ue-f1c4a40364f105b2\"}\n 11:28:33.499 pdu_session_ok {\"iface\":\"tun_srsue (netns ue1)\",\"ue_ip\":\"10.45.0.13\"}\n 11:28:33.515 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"8.8.8.8\",\"count\":\"20\"}\n 11:28:43.097 app_ping_end {\"exit\":\"0\"}\n 11:28:44.686 app_iperf_start {\"direction\":\"downlink\",\"seconds\":\"10\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 11:28:54.949 app_iperf_end {\"direction\":\"downlink\",\"proto\":\"tcp\",\"mbps\":\"10.07\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 11:28:56.522 app_iperf_start {\"direction\":\"uplink\",\"seconds\":\"5\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 11:29:02.460 app_iperf_end {\"direction\":\"uplink\",\"proto\":\"tcp\",\"mbps\":\"5.71\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 11:29:02.478 app_http_start {\"url\":\"http://example.com/\"}\n 11:29:02.641 app_http_end {\"result\":\"200 dns=0.039248 connect=0.073924 ttfb=0.121002 total=0.122047 bytes=577\"}\n 11:29:02.656 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"10.45.0.1\",\"count\":\"10\"}\n\niperf3 iperf_downlink_112844: protocol=TCP reverse=1 duration_s=10 target_bps=10000000 achieved_bps=10065654 bytes=12582912 retransmits=0 lost_percent=None jitter_ms=None\niperf3 iperf_uplink_112856: protocol=TCP reverse=0 duration_s=5 target_bps=10000000 achieved_bps=5705834 bytes=3801088 retransmits=0 lost_percent=None jitter_ms=None\nping ping_112833 target=8.8.8.8: sent=20 received=20 loss_percent=0 rtt_min/avg/max/mdev_ms=25.204/36.390/47.599/6.790\nping ping_112902 target=10.45.0.1: sent=10 received=10 loss_percent=0 rtt_min/avg/max/mdev_ms=20.321/70.397/162.355/58.210\nhttp 2026-10-14T11:29:02.638236Z http://example.com/ 200 dns=0.039248 connect=0.073924 ttfb=0.121002 total=0.122047 bytes=577\n\n\nWhat was the impact of the UDM outage on the initial registration attempt of ue-f1c4a40364f105b2, and when was the UE finally able to establish a PDU session?"}, {"role": "assistant", "content": "The UDM outage began at 11:27:48.552 with a 'stop-nf' fault lasting 20 seconds. During this period, ue-f1c4a40364f105b2 started its process at 11:27:50.604 but failed to register, resulting in a 'ue_registration_timeout' at 11:28:15.920. Following the recovery phase, the UE process was restarted at 11:28:32.427. The UE successfully registered at 11:28:33.494, and the PDU session was confirmed as 'ok' at 11:28:33.499 with IP 10.45.0.13."}]}
{"source_repo": "zmq-5g-core-sim-v1", "source_id": "zmq-5g-core-sim-v1__2026-10-14T094307Z_zmq_udp-load_batch2__perf__0__chunk0", "source_spec_id": null, "source_version": null, "messages": [{"role": "user", "content": "# Network performance measurements through the 5G user plane (iperf3, ping, HTTP) with procedure timings\nrun_id: 2026-10-14T094307Z_zmq_udp-load_batch2\nscenario_label: udp-load\nprovenance: measured application results over a simulated radio link (ZMQ); absolute throughput reflects the host, not air\nidentifiers: subscriber ids are keyed pseudonyms (ue-...), not IMSIs\nscenario: UDP iperf DL 30 Mbps and UL 15 Mbps (loss/jitter measured), then TCP\nprocedure timings from signalling: registration_ms_mean=171.65 pdu_setup_ms_mean=58.88 sbi_latency_ms_mean=0.54 registration_requests=1 rejects=0\nground-truth timeline (injected conditions and scenario steps; node clock, UTC):\n 09:43:14.475 core_collect_start {\"run_dir\":\"data/raw/zmq_5g_sim/2026-10-14T094307Z_zmq_udp-load_batch2/core\"}\n 09:43:15.955 gnb_process_start {\"cycle\":\"1\",\"config\":\"data/raw/zmq_5g_sim/2026-10-14T094307Z_zmq_udp-load_batch2/ran/config/gnb.1.yml\",\"radio\":\"zmq (simulated)\"}\n 09:43:19.499 ng_setup_ok {\"cycle\":\"1\"}\n 09:43:21.561 ue_process_start {\"cycle\":\"1\",\"supi\":\"imsi-ue-f1c4a40364f105b2\",\"radio\":\"zmq (simulated)\"}\n 09:43:22.624 ue_registered {\"supi\":\"imsi-ue-f1c4a40364f105b2\"}\n 09:43:22.630 pdu_session_ok {\"iface\":\"tun_srsue (netns ue1)\",\"ue_ip\":\"10.45.0.9\"}\n 09:43:22.634 phase_start {\"phase\":\"traffic-1\"}\n 09:43:22.647 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"8.8.8.8\",\"count\":\"20\"}\n 09:43:32.242 app_ping_end {\"exit\":\"0\"}\n 09:43:33.820 app_iperf_start {\"direction\":\"downlink\",\"seconds\":\"20\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 09:43:54.158 app_iperf_end {\"direction\":\"downlink\",\"proto\":\"tcp\",\"mbps\":\"10.01\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 09:43:55.736 app_iperf_start {\"direction\":\"uplink\",\"seconds\":\"10\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 09:44:06.761 app_iperf_end {\"direction\":\"uplink\",\"proto\":\"tcp\",\"mbps\":\"6.07\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 09:44:06.775 app_http_start {\"url\":\"http://example.com/\"}\n 09:44:06.940 app_http_end {\"result\":\"200 dns=0.043814 connect=0.076236 ttfb=0.122237 total=0.123336 bytes=577\"}\n 09:44:06.956 app_ping_start {\"iface\":\"tun_srsue\",\"target\":\"10.45.0.1\",\"count\":\"10\"}\n 09:44:11.526 app_ping_end {\"exit\":\"0\"}\n 09:44:11.530 phase_start {\"phase\":\"udp-load\"}\n 09:44:13.101 app_iperf_start {\"direction\":\"downlink\",\"seconds\":\"30\",\"target_bitrate\":\"30M\",\"proto\":\"udp\",\"server\":\"10.45.0.1\"}\n 09:44:43.319 app_iperf_end {\"direction\":\"downlink\",\"proto\":\"udp\",\"mbps\":\"30.0\",\"lost_percent\":\"0\",\"jitter_ms\":\"0.715\"}\n 09:44:44.889 app_iperf_start {\"direction\":\"uplink\",\"seconds\":\"20\",\"target_bitrate\":\"15M\",\"proto\":\"udp\",\"server\":\"10.45.0.1\"}\n 09:45:05.571 app_iperf_end {\"direction\":\"uplink\",\"proto\":\"udp\",\"mbps\":\"6.7\",\"lost_percent\":\"54.ue-f2fef8e15a9218d6\",\"jitter_ms\":\"1.632\"}\n 09:45:07.165 app_iperf_start {\"direction\":\"downlink\",\"seconds\":\"15\",\"target_bitrate\":\"10M\",\"proto\":\"tcp\",\"server\":\"10.45.0.1\"}\n 09:45:22.433 app_iperf_end {\"direction\":\"downlink\",\"proto\":\"tcp\",\"mbps\":\"10.0\",\"lost_percent\":\"-\",\"jitter_ms\":\"-\"}\n 09:45:24.606 ue_process_stop\n\niperf3 iperf_downlink_094333: protocol=TCP reverse=1 duration_s=20 target_bps=10000000 achieved_bps=10013610 bytes=25034752 retransmits=0 lost_percent=None jitter_ms=None\niperf3 iperf_downlink_094413: protocol=UDP reverse=1 duration_s=30 target_bps=30000000 achieved_bps=29995958 bytes=112486432 retransmits=None lost_percent=0 jitter_ms=0.7146293954955738\niperf3 iperf_downlink_094507: protocol=TCP reverse=1 duration_s=15 target_bps=10000000 achieved_bps=9995731 bytes=18743296 retransmits=0 lost_percent=None jitter_ms=None\niperf3 iperf_uplink_094355: protocol=TCP reverse=0 duration_s=10 target_bps=10000000 achieved_bps=6068576 bytes=7864320 retransmits=16 lost_percent=None jitter_ms=None\niperf3 iperf_uplink_094444: protocol=UDP reverse=0 duration_s=20 target_bps=15000000 achieved_bps=6699187 bytes=17135632 retransmits=None lost_percent=54.ue-f2fef8e15a9218d6 jitter_ms=1.6315675165803787\nping ping_094322 target=8.8.8.8: sent=20 received=20 loss_percent=0 rtt_min/avg/max/mdev_ms=30.722/42.373/52.113/6.798\nping ping_094406 target=10.45.0.1: sent=10 received=10 loss_percent=0 rtt_min/avg/max/mdev_ms=22.652/72.234/165.497/56.908\nhttp 2026-10-14T09:44:06.937468Z http://example.com/ 200 dns=0.043814 connect=0.076236 ttfb=0.122237 total=0.123336 bytes=577\n\n\nDuring the 'udp-load' phase, how did the uplink UDP performance compare to the target bitrate, and what was the resulting packet loss?"}, {"role": "assistant", "content": "In the 'udp-load' phase, an uplink UDP iperf test was started at 09:44:44.889 with a target bitrate of 15M. The test ended at 09:45:05.571, achieving an actual throughput of 6.7 mbps (or 6,699,187 bps according to the iperf3 record), which is significantly lower than the 15 Mbps target. The document records a lost_percent of 54.ue-f2fef8e15a9218d6 for this specific uplink transmission."}]}
|