{ "qlog_version": "draft-00", "title": "picoquic", "traces": [
{ "vantage_point": { "name": "backend-67", "type": "server" },
"title": "picoquic", "description": "f73be41a4071dac3","event_fields": ["relative_time", "path_id", "category", "event", "data"],
"configuration": {"time_units": "us"},
"common_fields": { "protocol_type": "QUIC_HTTP3", "reference_time": "1865497818332"},
"events": [
[0, 0, "transport", "datagram_received", { "byte_length": 1220, "addr_from" : {"ip_v4": "52.165.62.80", "port_v4":29420}, "addr_to" : {"ip_v4": "172.31.61.32", "port_v4":20753}}],
[0, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 1220, "packet_number": 56, "version": "00000001", "payload_length": 1182, "dcid": "f73be41a4071dac3" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 313}]}],
[606, 0, "transport", "parameters_set", {
    "owner": "remote",
    "sni": "test.privateoctopus.com",
    "proposed_alpn": ["hq-interop", "h3", "hq-29", "h3-29"],
    "alpn": "hq-interop"}],
[609, 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}],
[618, 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": "9c83b392ba3c4c34",
    "original_connection_id": "f73be41a4071dac3",
    "stateless_reset_token": "cd79caf927640e9fdc386aaf2e801af1",
    "max_datagram_frame_size" : 1536,
    "min_ack_delay" : 1000,
    "address_discovery" : 0,
    "reset_stream_at" : "invalid"}],
[909, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 122, "packet_number": 92661, "payload_length": 100, "scid": "9c83b392ba3c4c34" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 113, "acked_ranges": [[56, 56]]}, { 
    "frame_type": "crypto", "offset": 0, "length": 90}]}],
[909, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 1098, "packet_number": 0, "payload_length": 1077, "scid": "9c83b392ba3c4c34" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 1073}]}],
[909, 0, "transport", "datagram_sent", { "byte_length": 1252}],
[927, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=9\u000a"}],
[909, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 177, "packet_number": 1, "payload_length": 156, "scid": "9c83b392ba3c4c34" }, "frames": [{ 
    "frame_type": "crypto", "offset": 1073, "length": 151}]}],
[909, 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": "41b47ef831484d0d4ae28eac26f36fdf7e7775a21ebf42aa40daaf4b4a393e77308f5a2815802db26294ad85fded49d9c328"}, { 
    "frame_type": "new_connection_id", "sequence_number": 1, "retire_before": 0, "connection_id": "c604ddcd52c332ed", "reset_token": "a9d004f767655e517081e60fc51ae356"}, { 
    "frame_type": "new_connection_id", "sequence_number": 2, "retire_before": 0, "connection_id": "826352398a815cec", "reset_token": "ece58b87eb8c13a0648db1865592d2c1"}, { 
    "frame_type": "new_connection_id", "sequence_number": 3, "retire_before": 0, "connection_id": "1648d4ab5805c46e", "reset_token": "6cde8c08ce6b1c9fb2771abdb305c9bc"}, { 
    "frame_type": "padding"}]}],
[909, 0, "recovery", "metrics_updated", {"cwnd": 15360,"bytes_in_flight": 1884}],
[909, 0, "transport", "datagram_sent", { "byte_length": 632}],
[909, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[909, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3356}],
[909, 0, "transport", "datagram_sent", { "byte_length": 1472}],
[821878, 0, "transport", "datagram_received", { "byte_length": 1220}],
[821878, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 49, "packet_number": 57, "payload_length": 11, "dcid": "9c83b392ba3c4c34" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 2, "acked_ranges": [[92661, 92661]], "ect0": 1, "ect1": 0, "ce": 0}]}],
[821878, 0, "transport", "packet_received", { "packet_type": "handshake", "header": { "packet_size": 100, "packet_number": 58, "payload_length": 63, "dcid": "9c83b392ba3c4c34" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 2, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "crypto", "offset": 0, "length": 52}]}],
[821925, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=10\u000a"}],
[821878, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1071, "packet_number": 59, "dcid": "9c83b392ba3c4c34", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "padding"}]}],
[821878, 0, "recovery", "congestion_state_updated", {"old": "0","new": "7","cc_param": 3990}],
[821878, 0, "recovery", "metrics_updated", {"cwnd": 93696,"pacing_rate": 1141195,"bytes_in_flight": 0,"smoothed_rtt": 820969,"min_rtt": 820969,"latest_rtt": 820969,"app_limited": 1}],
[821943, 0, "transport", "datagram_received", { "byte_length": 1252}],
[821943, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1252, "packet_number": 60, "dcid": "9c83b392ba3c4c34" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[821949, 0, "transport", "spin_bit_updated", { "state": true }],
[821949, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 2 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[59, 60]]}, { 
    "frame_type": "ack_frequency", "sequence_number": 0, "packet_tolerance": 8, "max_ack_delay": 10000, "reordering_threshold": 0}, { 
    "frame_type": "handshake_done"}, { 
    "frame_type": "padding"}]}],
[821949, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 820969}],
[821949, 0, "transport", "datagram_sent", { "byte_length": 55}],
[845915, 0, "transport", "datagram_received", { "byte_length": 1332}],
[845915, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 61, "dcid": "9c83b392ba3c4c34" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[847030, 0, "transport", "spin_bit_updated", { "state": false }],
[847030, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 3 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 139, "acked_ranges": [[59, 61]]}, { 
    "frame_type": "padding"}]}],
[847030, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 820969}],
[847030, 0, "transport", "datagram_sent", { "byte_length": 55}],
[856814, 0, "transport", "datagram_received", { "byte_length": 37}],
[856814, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 37, "packet_number": 62, "dcid": "9c83b392ba3c4c34" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 42, "acked_ranges": [[2, 2]], "ect0": 3, "ect1": 0, "ce": 0}]}],
[856814, 0, "recovery", "metrics_updated", {"pacing_rate": 1296345,"bytes_in_flight": 55,"smoothed_rtt": 722706,"min_rtt": 34865,"latest_rtt": 34865}],
[856840, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 4 }, "frames": [{ 
    "frame_type": "ack_frequency", "sequence_number": 1, "packet_tolerance": 8, "max_ack_delay": 8716, "reordering_threshold": 0}, { 
    "frame_type": "padding"}]}],
[856840, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 722706}],
[856840, 0, "transport", "datagram_sent", { "byte_length": 55}],
[870999, 0, "transport", "datagram_received", { "byte_length": 1412}],
[870999, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1412, "packet_number": 63, "dcid": "9c83b392ba3c4c34" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[871014, 0, "transport", "spin_bit_updated", { "state": true }],
[871014, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 5 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 1, "acked_ranges": [[61, 63]]}, { 
    "frame_type": "padding"}]}],
[871014, 0, "recovery", "metrics_updated", {"bytes_in_flight": 165,"smoothed_rtt": 722706}],
[871014, 0, "transport", "datagram_sent", { "byte_length": 55}],
[889580, 0, "transport", "datagram_received", { "byte_length": 37}],
[889580, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 37, "packet_number": 64, "dcid": "9c83b392ba3c4c34" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 34, "acked_ranges": [[2, 4]], "ect0": 5, "ect1": 0, "ce": 0}]}],
[889580, 0, "recovery", "metrics_updated", {"pacing_rate": 1472000,"bytes_in_flight": 55,"smoothed_rtt": 636460,"min_rtt": 32740,"latest_rtt": 32740}],
[894964, 0, "transport", "datagram_received", { "byte_length": 1440}],
[894964, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 65, "dcid": "9c83b392ba3c4c34" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[894980, 0, "transport", "spin_bit_updated", { "state": false }],
[894980, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 6 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 2, "acked_ranges": [[61, 65]]}, { 
    "frame_type": "padding"}]}],
[894980, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 636460}],
[894980, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1076612, 0, "transport", "datagram_received", { "byte_length": 1440, "addr_from" : {"ip_v4": "52.165.62.80", "port_v4":55020}}],
[1076612, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 66, "dcid": "9c83b392ba3c4c34" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 598, "acked_ranges": [[5, 6]], "ect0": 7, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1076612, 0, "recovery", "metrics_updated", {"pacing_rate": 1620030,"bytes_in_flight": 0,"smoothed_rtt": 578356,"latest_rtt": 171632}],
[1076651, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1076651, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 67, "dcid": "9c83b392ba3c4c34" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1076657, 0, "transport", "spin_bit_updated", { "state": true }],
[1076657, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 7 }, "frames": [{ 
    "frame_type": "path_challenge", "path_challenge": "a4879fc98a245642"}, { 
    "frame_type": "padding"}]}],
[1076657, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1472,"smoothed_rtt": 578356}],
[1076657, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 8 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[65, 67]]}, { 
    "frame_type": "padding"}]}],
[1076657, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1527,"smoothed_rtt": 578356}],
[1076657, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "52.165.62.80", "port_v4":29420}}],
[1327205, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 9 }, "frames": [{ 
    "frame_type": "path_challenge", "path_challenge": "b247c0fba2fb4cc3"}, { 
    "frame_type": "padding"}]}],
[1327205, 0, "recovery", "metrics_updated", {"bytes_in_flight": 2999,"smoothed_rtt": 578356}],
[2518298, 0, "transport", "datagram_received", { "byte_length": 47, "addr_from" : {"ip_v4": "52.165.62.80", "port_v4":55020}}],
[2518298, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 47, "packet_number": 68, "dcid": "9c83b392ba3c4c34" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 5467, "acked_ranges": [[5, 7]], "ect0": 8, "ect1": 0, "ce": 0}, { 
    "frame_type": "path_response", "path_response": "a4879fc98a245642"}]}],
[2518298, 0, "recovery", "metrics_updated", {"pacing_rate": 1367745,"bytes_in_flight": 1527,"smoothed_rtt": 685016,"latest_rtt": 1431641}],
[2518319, 0, "transport", "datagram_received", { "byte_length": 48}],
[2518319, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 48, "packet_number": 69, "dcid": "9c83b392ba3c4c34" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[9, 9], [5, 7]], "ect0": 9, "ect1": 0, "ce": 0}, { 
    "frame_type": "path_response", "path_response": "b247c0fba2fb4cc3"}]}],
[2518319, 0, "recovery", "packet_lost", {
    "packet_type" : "1RTT",
    "packet_number" : 8,
    "trigger": "repeat",
    "header": {
        "packet_type" : "1RTT",
        "packet_number" : 8,
        "packet_size" : 39}}],
[2518319, 0, "recovery", "metrics_updated", {"pacing_rate": 1252099,"bytes_in_flight": 0,"smoothed_rtt": 748278,"latest_rtt": 1191114}],
[2518328, 0, "transport", "spin_bit_updated", { "state": false }],
[2518328, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 10 }, "frames": [{ 
    "frame_type": "ack_frequency", "sequence_number": 2, "packet_tolerance": 8, "max_ack_delay": 10000, "reordering_threshold": 0}, { 
    "frame_type": "padding"}]}],
[2518328, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 748278}],
[2518328, 0, "transport", "datagram_sent", { "byte_length": 55}],
[4518601, 0, "info", "message", { "message": "Reset path 0 MTU after 0 retransmissions, 1MTU losses, Timer mode : 1"}],
[4518596, 0, "recovery", "packet_lost", {
    "packet_type" : "1RTT",
    "packet_number" : 10,
    "trigger": "timer",
    "header": {
        "packet_type" : "1RTT",
        "packet_number" : 10,
        "packet_size" : 39}}],
[4518596, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 11 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[4518596, 0, "recovery", "congestion_state_updated", {"old": "7","new": "393223","cc_param": 3990}],
[4518596, 0, "recovery", "metrics_updated", {"cwnd": 1307,"bytes_in_flight": 1472,"smoothed_rtt": 748278}],
[4518596, 0, "transport", "datagram_sent", { "byte_length": 1472}],
[12518894, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=5\u000a"}],
[12518905, 0, "info", "message", { "message": "Closed. Retrans= 2, spurious= 0, max sp gap = 0, max sp delay = 0, dg-coal: 0.916667"}]]}]}