{ "qlog_version": "draft-00", "title": "picoquic", "traces": [
{ "vantage_point": { "name": "backend-67", "type": "server" },
"title": "picoquic", "description": "073209f9759b85db","event_fields": ["relative_time", "path_id", "category", "event", "data"],
"configuration": {"time_units": "us"},
"common_fields": { "protocol_type": "QUIC_HTTP3", "reference_time": "1100634589736"},
"events": [
[0, 0, "transport", "datagram_received", { "byte_length": 1220, "addr_from" : {"ip_v4": "145.132.101.194", "port_v4":26252}, "addr_to" : {"ip_v4": "172.31.61.32", "port_v4":20753}, "ecn" : "Not-ECT"}],
[0, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 1220, "packet_number": 0, "version": "00000001", "payload_length": 1182, "dcid": "073209f9759b85db" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 313}]}],
[694, 0, "transport", "parameters_set", {
    "owner": "remote",
    "sni": "test.privateoctopus.com",
    "proposed_alpn": ["hq-interop", "h3", "hq-29", "h3-29"],
    "alpn": "hq-interop"}],
[697, 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}],
[704, 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": "c3202a0faa312e87",
    "original_connection_id": "073209f9759b85db",
    "stateless_reset_token": "024aece9cf941e77e9c45162bdc34711",
    "max_datagram_frame_size" : 1536,
    "min_ack_delay" : 1000,
    "address_discovery" : 0,
    "reset_stream_at" : "invalid"}],
[975, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 122, "packet_number": 129584, "payload_length": 100, "scid": "c3202a0faa312e87" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 121, "acked_ranges": [[0, 0]]}, { 
    "frame_type": "crypto", "offset": 0, "length": 90}]}],
[975, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 1098, "packet_number": 0, "payload_length": 1077, "scid": "c3202a0faa312e87" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 1073}]}],
[975, 0, "transport", "datagram_sent", { "byte_length": 1252}],
[1092, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=9\u000a"}],
[975, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 176, "packet_number": 1, "payload_length": 155, "scid": "c3202a0faa312e87" }, "frames": [{ 
    "frame_type": "crypto", "offset": 1073, "length": 150}]}],
[975, 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": "5e8ef67a338f1ae0d3e37438eda2fff20f928273934a27e46f8faa9434c1961f79437919b36377d2e11b0d6a5cf2057291f6"}, { 
    "frame_type": "new_connection_id", "sequence_number": 1, "retire_before": 0, "connection_id": "f8c262a20ab90b73", "reset_token": "c5bb3c8846a8976fb98427c83bc0f6b0"}, { 
    "frame_type": "new_connection_id", "sequence_number": 2, "retire_before": 0, "connection_id": "1872394bfe60c2a2", "reset_token": "8e4c9ad2bea1c1131fa89276b9f50a08"}, { 
    "frame_type": "new_connection_id", "sequence_number": 3, "retire_before": 0, "connection_id": "008d8276ca427a30", "reset_token": "59e7b6f6ccbd4127922c79fe8b0481ac"}, { 
    "frame_type": "padding"}]}],
[975, 0, "recovery", "metrics_updated", {"cwnd": 15360,"bytes_in_flight": 1883}],
[975, 0, "transport", "datagram_sent", { "byte_length": 631}],
[975, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[975, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3355}],
[975, 0, "transport", "datagram_sent", { "byte_length": 1472}],
[2058149, 0, "transport", "datagram_received", { "byte_length": 1220}],
[2058149, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 49, "packet_number": 1, "payload_length": 11, "dcid": "c3202a0faa312e87" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 2, "acked_ranges": [[129584, 129584]], "ect0": 1, "ect1": 0, "ce": 0}]}],
[2058149, 0, "transport", "packet_received", { "packet_type": "handshake", "header": { "packet_size": 100, "packet_number": 2, "payload_length": 63, "dcid": "c3202a0faa312e87" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 1, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "crypto", "offset": 0, "length": 52}]}],
[2058219, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=10\u000a"}],
[2058149, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1071, "packet_number": 3, "dcid": "c3202a0faa312e87", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "padding"}]}],
[2058149, 0, "recovery", "congestion_state_updated", {"old": "0","new": "7","cc_param": 1591}],
[2058149, 0, "recovery", "metrics_updated", {"cwnd": 93696,"pacing_rate": 455445,"bytes_in_flight": 0,"smoothed_rtt": 2057174,"min_rtt": 2057174,"latest_rtt": 2057174,"app_limited": 1}],
[2058238, 0, "transport", "datagram_received", { "byte_length": 1252}],
[2058238, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1252, "packet_number": 4, "dcid": "c3202a0faa312e87" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2058244, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 2 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[3, 4]]}, { 
    "frame_type": "ack_frequency", "sequence_number": 0, "packet_tolerance": 8, "max_ack_delay": 10000, "reordering_threshold": 0}, { 
    "frame_type": "handshake_done"}, { 
    "frame_type": "padding"}]}],
[2058244, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 2057174}],
[2058244, 0, "transport", "datagram_sent", { "byte_length": 55}],
[2376067, 0, "transport", "datagram_received", { "byte_length": 1332}],
[2376067, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 5, "dcid": "c3202a0faa312e87" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2377067, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 3 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 125, "acked_ranges": [[3, 5]]}, { 
    "frame_type": "padding"}]}],
[2377067, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 2057174}],
[2377067, 0, "transport", "datagram_sent", { "byte_length": 55}],
[2385772, 0, "transport", "datagram_received", { "byte_length": 37}],
[2385772, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 37, "packet_number": 6, "dcid": "c3202a0faa312e87" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 41, "acked_ranges": [[2, 2]], "ect0": 3, "ect1": 0, "ce": 0}]}],
[2385772, 0, "recovery", "metrics_updated", {"pacing_rate": 508946,"bytes_in_flight": 55,"smoothed_rtt": 1840968,"min_rtt": 327528,"latest_rtt": 327528}],
[2395226, 0, "transport", "datagram_received", { "byte_length": 1412}],
[2395226, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1412, "packet_number": 7, "dcid": "c3202a0faa312e87" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2395306, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 4 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 10, "acked_ranges": [[5, 7]]}, { 
    "frame_type": "padding"}]}],
[2395306, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 1840968}],
[2395306, 0, "transport", "datagram_sent", { "byte_length": 55}],
[2397683, 0, "transport", "datagram_received", { "byte_length": 1332, "addr_from" : {"ip_v4": "145.132.101.194", "port_v4":14989}}],
[2397683, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 8, "dcid": "c3202a0faa312e87" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 8, "acked_ranges": [[2, 3]], "ect0": 4, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2397683, 0, "recovery", "metrics_updated", {"pacing_rate": 580699,"bytes_in_flight": 55,"smoothed_rtt": 1613424,"min_rtt": 20616,"latest_rtt": 20616}],
[2397705, 0, "transport", "datagram_received", { "byte_length": 1332}],
[2397705, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 9, "dcid": "c3202a0faa312e87" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2397717, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 5 }, "frames": [{ 
    "frame_type": "path_challenge", "path_challenge": "103e7abd01c3fea6"}, { 
    "frame_type": "padding"}]}],
[2397717, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1527,"smoothed_rtt": 1613424}],
[2397717, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 6 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 1, "acked_ranges": [[5, 9]]}, { 
    "frame_type": "ack_frequency", "sequence_number": 1, "packet_tolerance": 8, "max_ack_delay": 5154, "reordering_threshold": 0}, { 
    "frame_type": "padding"}]}],
[2397717, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1582,"smoothed_rtt": 1613424}],
[2397717, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "145.132.101.194", "port_v4":26252}}],
[2447856, 0, "transport", "datagram_received", { "byte_length": 1332, "addr_from" : {"ip_v4": "145.132.101.194", "port_v4":14989}}],
[2447856, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 10, "dcid": "c3202a0faa312e87" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2449102, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 7 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 155, "acked_ranges": [[5, 10]]}, { 
    "frame_type": "padding"}]}],
[2449102, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1637,"smoothed_rtt": 1613424}],
[2449102, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "145.132.101.194", "port_v4":26252}}],
[2498377, 0, "transport", "datagram_received", { "byte_length": 1332, "addr_from" : {"ip_v4": "145.132.101.194", "port_v4":14989}}],
[2498377, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 11, "dcid": "c3202a0faa312e87" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2499475, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 8 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[5, 11]]}, { 
    "frame_type": "padding"}]}],
[2499475, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1692,"smoothed_rtt": 1613424}],
[2499475, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "145.132.101.194", "port_v4":26252}}],
[2549304, 0, "transport", "datagram_received", { "byte_length": 1332, "addr_from" : {"ip_v4": "145.132.101.194", "port_v4":14989}}],
[2549304, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 12, "dcid": "c3202a0faa312e87" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2550396, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 9 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[5, 12]]}, { 
    "frame_type": "padding"}]}],
[2550396, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1747,"smoothed_rtt": 1613424}],
[2550396, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "145.132.101.194", "port_v4":26252}}],
[2600159, 0, "transport", "datagram_received", { "byte_length": 1332, "addr_from" : {"ip_v4": "145.132.101.194", "port_v4":14989}}],
[2600159, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 13, "dcid": "c3202a0faa312e87" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2601252, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 10 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[5, 13]]}, { 
    "frame_type": "padding"}]}],
[2601252, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1802,"smoothed_rtt": 1613424}],
[2601252, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "145.132.101.194", "port_v4":26252}}],
[2648158, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 11 }, "frames": [{ 
    "frame_type": "path_challenge", "path_challenge": "d5dab375effdc5ce"}, { 
    "frame_type": "padding"}]}],
[2648158, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3274,"smoothed_rtt": 1613424}],
[2650987, 0, "transport", "datagram_received", { "byte_length": 1332, "addr_from" : {"ip_v4": "145.132.101.194", "port_v4":14989}}],
[2650987, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 14, "dcid": "c3202a0faa312e87" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2652135, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 12 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 143, "acked_ranges": [[5, 14]]}, { 
    "frame_type": "padding"}]}],
[2652135, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3329,"smoothed_rtt": 1613424}],
[2652135, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "145.132.101.194", "port_v4":26252}}],
[2701225, 0, "transport", "datagram_received", { "byte_length": 1332, "addr_from" : {"ip_v4": "145.132.101.194", "port_v4":14989}}],
[2701225, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 15, "dcid": "c3202a0faa312e87" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2702329, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 13 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 138, "acked_ranges": [[5, 15]]}, { 
    "frame_type": "padding"}]}],
[2702329, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3384,"smoothed_rtt": 1613424}],
[2702329, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "145.132.101.194", "port_v4":26252}}],
[2751859, 0, "transport", "datagram_received", { "byte_length": 1332, "addr_from" : {"ip_v4": "145.132.101.194", "port_v4":14989}}],
[2751859, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 16, "dcid": "c3202a0faa312e87" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2752949, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 14 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[5, 16]]}, { 
    "frame_type": "padding"}]}],
[2752949, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3439,"smoothed_rtt": 1613424}],
[2752949, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "145.132.101.194", "port_v4":26252}}],
[3914059, 0, "transport", "datagram_received", { "byte_length": 51, "addr_from" : {"ip_v4": "145.132.101.194", "port_v4":14989}}],
[3914059, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 51, "packet_number": 17, "dcid": "c3202a0faa312e87" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 4389, "acked_ranges": [[11, 11], [5, 5], [2, 3]], "ect0": 6, "ect1": 0, "ce": 0}, { 
    "frame_type": "path_response", "path_response": "d5dab375effdc5ce"}]}],
[3914059, 0, "recovery", "packet_lost", {
    "packet_type" : "1RTT",
    "packet_number" : 4,
    "trigger": "repeat",
    "header": {
        "packet_type" : "1RTT",
        "packet_number" : 4,
        "packet_size" : 39}}],
[3914059, 0, "recovery", "packet_lost", {
    "packet_type" : "1RTT",
    "packet_number" : 6,
    "trigger": "repeat",
    "header": {
        "packet_type" : "1RTT",
        "packet_number" : 6,
        "packet_size" : 39}}],
[3914059, 0, "recovery", "packet_lost", {
    "packet_type" : "1RTT",
    "packet_number" : 7,
    "trigger": "repeat",
    "header": {
        "packet_type" : "1RTT",
        "packet_number" : 7,
        "packet_size" : 39}}],
[3914059, 0, "recovery", "packet_lost", {
    "packet_type" : "1RTT",
    "packet_number" : 8,
    "trigger": "repeat",
    "header": {
        "packet_type" : "1RTT",
        "packet_number" : 8,
        "packet_size" : 39}}],
[3914059, 0, "recovery", "packet_lost", {
    "packet_type" : "1RTT",
    "packet_number" : 9,
    "trigger": "repeat",
    "header": {
        "packet_type" : "1RTT",
        "packet_number" : 9,
        "packet_size" : 39}}],
[3914059, 0, "recovery", "packet_lost", {
    "packet_type" : "1RTT",
    "packet_number" : 10,
    "trigger": "repeat",
    "header": {
        "packet_type" : "1RTT",
        "packet_number" : 10,
        "packet_size" : 39}}],
[3914059, 0, "recovery", "metrics_updated", {"pacing_rate": 597257,"bytes_in_flight": 165,"smoothed_rtt": 1568733,"latest_rtt": 1255901}],
[3914094, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 15 }, "frames": [{ 
    "frame_type": "ack_frequency", "sequence_number": 2, "packet_tolerance": 10, "max_ack_delay": 10000, "reordering_threshold": 0}, { 
    "frame_type": "padding"}]}],
[3914094, 0, "recovery", "metrics_updated", {"bytes_in_flight": 220,"smoothed_rtt": 1568733}],
[3914094, 0, "transport", "datagram_sent", { "byte_length": 55}],
[3914094, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 16 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[3914094, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1692,"smoothed_rtt": 1568733}],
[3914094, 0, "transport", "datagram_sent", { "byte_length": 1472}],
[13914220, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=5\u000a"}],
[13914229, 0, "info", "message", { "message": "Closed. Retrans= 6, spurious= 0, max sp gap = 0, max sp delay = 0, dg-coal: 0.941176"}]]}]}