{ "qlog_version": "draft-00", "title": "picoquic", "traces": [
{ "vantage_point": { "name": "backend-67", "type": "server" },
"title": "picoquic", "description": "fdbb70f0f67965e7","event_fields": ["relative_time", "path_id", "category", "event", "data"],
"configuration": {"time_units": "us"},
"common_fields": { "protocol_type": "QUIC_HTTP3", "reference_time": "1014642209932"},
"events": [
[0, 0, "transport", "datagram_received", { "byte_length": 1220, "addr_from" : {"ip_v4": "20.40.223.117", "port_v4":58736}, "addr_to" : {"ip_v4": "172.31.61.32", "port_v4":21009}}],
[0, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 1220, "packet_number": 152, "version": "00000001", "payload_length": 1130, "dcid": "fdbb70f0f67965e7", "token": "83c4a4c38e731fdaf323a411e1419fcd091673b34ad1cbbcff72bed6fa70b88f18ad5b8416c98493af1d6d534867ea94313b11c9" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 313}, { 
    "frame_type": "ping"}]}],
[112, 0, "transport", "parameters_set", {
    "owner": "remote",
    "sni": "test.privateoctopus.com",
    "proposed_alpn": ["hq-interop", "h3", "hq-29", "h3-29"],
    "alpn": "hq-interop"}],
[114, 0, "transport", "parameters_set", {
    "owner": "remote",
    "idle_timeout" : 10000,
    "max_packet_size" : 1472,
    "initial_max_data" : 16777216,
    "initial_max_stream_data_bidi_local" : 65536,
    "initial_max_stream_data_bidi_remote" : 65536,
    "initial_max_stream_data_uni" : 65536,
    "initial_max_streams_uni" : 3,
    "ack_delay_exponent" : 8,
    "max_ack_delay" : 26,
    "active_connection_id_limit" : 4,
    "handshake_connection_id": "",
    "min_ack_delay" : 1000}],
[120, 0, "transport", "parameters_set", {
    "owner": "local",
    "initial_max_stream_data_bidi_local" : 2097152,
    "initial_max_data" : 1048576,
    "initial_max_streams_bidi" : 512,
    "idle_timeout" : 30000,
    "max_packet_size" : 1440,
    "initial_max_streams_uni" : 512,
    "initial_max_stream_data_bidi_remote" : 65635,
    "initial_max_stream_data_uni" : 65535,
    "active_connection_id_limit" : 8,
    "max_ack_delay" : 10,
    "handshake_connection_id": "a1b2ee436fccac91",
    "original_connection_id": "21b5ce2dac8bc811",
    "retry_connection_id": "fdbb70f0f67965e7",
    "stateless_reset_token": "471c3a47e4e9ba31965762de3b9fc060",
    "max_datagram_frame_size" : 1536,
    "min_ack_delay" : 1000,
    "address_discovery" : 0,
    "reset_stream_at" : "invalid"}],
[416, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 122, "packet_number": 76529, "payload_length": 100, "scid": "a1b2ee436fccac91" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 52, "acked_ranges": [[152, 152]]}, { 
    "frame_type": "crypto", "offset": 0, "length": 90}]}],
[416, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 1098, "packet_number": 0, "payload_length": 1077, "scid": "a1b2ee436fccac91" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 1073}]}],
[416, 0, "transport", "datagram_sent", { "byte_length": 1252}],
[428, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=9\u000a"}],
[416, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 187, "packet_number": 1, "payload_length": 166, "scid": "a1b2ee436fccac91" }, "frames": [{ 
    "frame_type": "crypto", "offset": 1073, "length": 161}]}],
[416, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 423, "packet_number": 0, "key_phase": 0 }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 165}, { 
    "frame_type": "new_token", "new_token": "fc36cd9d98eb058743c056deabe55fb54e9361073632889ff67eb3645e1ab97a86f5816599de459fa676b5e1610370463934"}, { 
    "frame_type": "new_connection_id", "sequence_number": 1, "retire_before": 0, "connection_id": "2526952aa217c074", "reset_token": "67b3752c6eb65e151c50f365599ca1f0"}, { 
    "frame_type": "new_connection_id", "sequence_number": 2, "retire_before": 0, "connection_id": "2d5e1ef289def73f", "reset_token": "3a97a65f719464fd26f1879b976a3e58"}, { 
    "frame_type": "new_connection_id", "sequence_number": 3, "retire_before": 0, "connection_id": "588020d1a4501f4b", "reset_token": "4ede295c5166283cbfa3072a446cd09f"}, { 
    "frame_type": "padding"}]}],
[416, 0, "recovery", "metrics_updated", {"cwnd": 15360,"bytes_in_flight": 1894}],
[416, 0, "transport", "datagram_sent", { "byte_length": 642}],
[416, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[416, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3366}],
[416, 0, "transport", "datagram_sent", { "byte_length": 1472}],
[31967, 0, "transport", "datagram_received", { "byte_length": 1220}],
[31967, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 101, "packet_number": 153, "payload_length": 11, "dcid": "a1b2ee436fccac91", "token": "83c4a4c38e731fdaf323a411e1419fcd091673b34ad1cbbcff72bed6fa70b88f18ad5b8416c98493af1d6d534867ea94313b11c9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 1, "acked_ranges": [[76529, 76529]], "ect0": 1, "ect1": 0, "ce": 0}]}],
[31967, 0, "transport", "packet_received", { "packet_type": "handshake", "header": { "packet_size": 100, "packet_number": 154, "payload_length": 63, "dcid": "a1b2ee436fccac91" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "crypto", "offset": 0, "length": 52}]}],
[32056, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=10\u000a"}],
[31967, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1019, "packet_number": 155, "dcid": "a1b2ee436fccac91", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "padding"}]}],
[31967, 0, "recovery", "metrics_updated", {"cwnd": 18646,"pacing_rate": 2284827,"bytes_in_flight": 0,"smoothed_rtt": 31551,"min_rtt": 31551,"latest_rtt": 31551,"app_limited": 1}],
[32085, 0, "transport", "datagram_received", { "byte_length": 1252}],
[32085, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1252, "packet_number": 156, "dcid": "a1b2ee436fccac91" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[32092, 0, "transport", "spin_bit_updated", { "state": true }],
[32092, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 2 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[155, 156]]}, { 
    "frame_type": "ack_frequency", "sequence_number": 0, "packet_tolerance": 2, "max_ack_delay": 7887, "reordering_threshold": 0}, { 
    "frame_type": "handshake_done"}, { 
    "frame_type": "padding"}]}],
[32092, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 31551}],
[32092, 0, "transport", "datagram_sent", { "byte_length": 55}],
[63147, 0, "transport", "datagram_received", { "byte_length": 1332}],
[63147, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 157, "dcid": "a1b2ee436fccac91" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[64239, 0, "transport", "spin_bit_updated", { "state": false }],
[64239, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 3 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[155, 157]]}, { 
    "frame_type": "padding"}]}],
[64239, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 31551}],
[64239, 0, "transport", "datagram_sent", { "byte_length": 55}],
[70882, 0, "transport", "datagram_received", { "byte_length": 37}],
[70882, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 37, "packet_number": 158, "dcid": "a1b2ee436fccac91" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 30, "acked_ranges": [[2, 2]], "ect0": 3, "ect1": 0, "ce": 0}]}],
[70882, 0, "recovery", "metrics_updated", {"cwnd": 18685,"bytes_in_flight": 55,"smoothed_rtt": 32455,"latest_rtt": 38790}],
[95291, 0, "transport", "datagram_received", { "byte_length": 1412}],
[95291, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1412, "packet_number": 159, "dcid": "a1b2ee436fccac91" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[95309, 0, "transport", "spin_bit_updated", { "state": true }],
[95309, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 4 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 2, "acked_ranges": [[157, 159]]}, { 
    "frame_type": "padding"}]}],
[95309, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 32455}],
[95309, 0, "transport", "datagram_sent", { "byte_length": 55}],
[126396, 0, "transport", "datagram_received", { "byte_length": 1440}],
[126396, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 160, "dcid": "a1b2ee436fccac91" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[127502, 0, "transport", "spin_bit_updated", { "state": false }],
[127502, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 5 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 138, "acked_ranges": [[157, 160]]}, { 
    "frame_type": "padding"}]}],
[127502, 0, "recovery", "metrics_updated", {"bytes_in_flight": 165,"smoothed_rtt": 32455}],
[127502, 0, "transport", "datagram_sent", { "byte_length": 55}],
[282541, 0, "transport", "datagram_received", { "byte_length": 1440, "addr_from" : {"ip_v4": "20.40.223.117", "port_v4":1137}}],
[282541, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 161, "dcid": "a1b2ee436fccac91" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 482, "acked_ranges": [[3, 5]], "ect0": 6, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[282541, 0, "recovery", "metrics_updated", {"bytes_in_flight": 0,"smoothed_rtt": 32455}],
[282581, 0, "transport", "datagram_received", { "byte_length": 1440}],
[282581, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 162, "dcid": "a1b2ee436fccac91" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[282588, 0, "transport", "spin_bit_updated", { "state": true }],
[282588, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 6 }, "frames": [{ 
    "frame_type": "path_challenge", "path_challenge": "bd125181fe3c71dd"}, { 
    "frame_type": "padding"}]}],
[282588, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1472,"smoothed_rtt": 32455}],
[282588, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 7 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[157, 162]]}, { 
    "frame_type": "padding"}]}],
[282588, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1527,"smoothed_rtt": 32455}],
[282588, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "20.40.223.117", "port_v4":58736}}],
[331508, 0, "transport", "datagram_received", { "byte_length": 1440, "addr_from" : {"ip_v4": "20.40.223.117", "port_v4":1137}}],
[331508, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 163, "dcid": "a1b2ee436fccac91" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[332605, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 8 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[157, 163]]}, { 
    "frame_type": "padding"}]}],
[332605, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1582,"smoothed_rtt": 32455}],
[332605, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "20.40.223.117", "port_v4":58736}}],
[382345, 0, "transport", "datagram_received", { "byte_length": 1440, "addr_from" : {"ip_v4": "20.40.223.117", "port_v4":1137}}],
[382345, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 164, "dcid": "a1b2ee436fccac91" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[383450, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 9 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 138, "acked_ranges": [[157, 164]]}, { 
    "frame_type": "padding"}]}],
[383450, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1637,"smoothed_rtt": 32455}],
[383450, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "20.40.223.117", "port_v4":58736}}],
[532588, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 10 }, "frames": [{ 
    "frame_type": "path_challenge", "path_challenge": "5a025a206d7615f8"}, { 
    "frame_type": "padding"}]}],
[532588, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1472,"smoothed_rtt": 32455}],
[700283, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 11 }, "frames": [{ 
    "frame_type": "path_challenge", "path_challenge": "875efaf631246d55"}, { 
    "frame_type": "padding"}]}],
[1538491, 0, "transport", "datagram_received", { "byte_length": 47, "addr_from" : {"ip_v4": "20.40.223.117", "port_v4":1137}}],
[1538491, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 47, "packet_number": 165, "dcid": "a1b2ee436fccac91" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 4453, "acked_ranges": [[3, 6]], "ect0": 7, "ect1": 0, "ce": 0}, { 
    "frame_type": "path_response", "path_response": "bd125181fe3c71dd"}]}],
[1538491, 0, "recovery", "metrics_updated", {"bytes_in_flight": 0,"smoothed_rtt": 32455}],
[1538514, 0, "transport", "datagram_received", { "byte_length": 48}],
[1538514, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 48, "packet_number": 166, "dcid": "a1b2ee436fccac91" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[10, 11], [3, 6]], "ect0": 9, "ect1": 0, "ce": 0}, { 
    "frame_type": "path_response", "path_response": "875efaf631246d55"}]}],
[1538520, 0, "transport", "spin_bit_updated", { "state": false }],
[1538520, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 12 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1538520, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1472,"smoothed_rtt": 32455}],
[1538520, 0, "transport", "datagram_sent", { "byte_length": 1472}],
[1622367, 0, "recovery", "packet_lost", {
    "packet_type" : "1RTT",
    "packet_number" : 12,
    "trigger": "timer",
    "header": {
        "packet_type" : "1RTT",
        "packet_number" : 12,
        "packet_size" : 1456}}],
[1622367, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1384, "packet_number": 13 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1622367, 0, "recovery", "congestion_state_updated", {"old": "0","new": "393216","cc_param": 104148}],
[1622367, 0, "recovery", "metrics_updated", {"cwnd": 2724,"bytes_in_flight": 1400,"smoothed_rtt": 32455}],
[1622367, 0, "transport", "datagram_sent", { "byte_length": 1400}],
[1706445, 0, "recovery", "packet_lost", {
    "packet_type" : "1RTT",
    "packet_number" : 13,
    "trigger": "timer",
    "header": {
        "packet_type" : "1RTT",
        "packet_number" : 13,
        "packet_size" : 1384}}],
[11538516, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=5\u000a"}],
[11538524, 0, "info", "message", { "message": "Closed. Retrans= 2, spurious= 0, max sp gap = 0, max sp delay = 0, dg-coal: 0.857143"}]]}]}