{ "qlog_version": "draft-00", "title": "picoquic", "traces": [
{ "vantage_point": { "name": "backend-67", "type": "server" },
"title": "picoquic", "description": "28cb5dd5a014e899","event_fields": ["relative_time", "path_id", "category", "event", "data"],
"configuration": {"time_units": "us"},
"common_fields": { "protocol_type": "QUIC_HTTP3", "reference_time": "1640014787737"},
"events": [
[0, 0, "transport", "datagram_received", { "byte_length": 1220, "addr_from" : {"ip_v4": "172.208.92.161", "port_v4":5096}, "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": 116, "version": "00000001", "payload_length": 1182, "dcid": "28cb5dd5a014e899" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 366}]}],
[756, 0, "transport", "parameters_set", {
    "owner": "remote",
    "sni": "test.privateoctopus.com",
    "proposed_alpn": ["hq-interop", "h3", "hq-29", "h3-29"],
    "alpn": "hq-interop"}],
[768, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 88, "packet_number": 115997, "payload_length": 66, "scid": "fef4329340d93fc0" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 96, "acked_ranges": [[116, 116]]}, { 
    "frame_type": "crypto", "offset": 0, "length": 56}]}],
[768, 0, "transport", "datagram_sent", { "byte_length": 1252}],
[251306, 0, "recovery", "packet_lost", {
    "packet_type" : "initial",
    "packet_number" : 115997,
    "trigger": "timer",
    "header": {
        "packet_type" : "initial",
        "packet_number" : 115997,
        "packet_size" : 88}}],
[251306, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 90, "packet_number": 115998, "payload_length": 68, "scid": "fef4329340d93fc0" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 56}, { 
    "frame_type": "ack", "ack_delay": 31413, "acked_ranges": [[116, 116]]}]}],
[251306, 0, "transport", "datagram_sent", { "byte_length": 106}],
[319225, 0, "transport", "datagram_received", { "byte_length": 1220}],
[319225, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 1220, "packet_number": 117, "payload_length": 1182, "dcid": "fef4329340d93fc0" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[115997, 115998]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "crypto", "offset": 366, "length": 334}, { 
    "frame_type": "ping"}]}],
[319282, 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" : 41,
    "active_connection_id_limit" : 4,
    "handshake_connection_id": "",
    "min_ack_delay" : 16000,
    "3d7e9f0bca12fea6": ""}],
[319292, 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": "fef4329340d93fc0",
    "original_connection_id": "28cb5dd5a014e899",
    "stateless_reset_token": "fcb6e825022b53146fdedf14e978139f",
    "max_datagram_frame_size" : 1536,
    "min_ack_delay" : 1000,
    "address_discovery" : 0,
    "reset_stream_at" : "invalid"}],
[319582, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 155, "packet_number": 115999, "payload_length": 133, "scid": "fef4329340d93fc0" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 44, "acked_ranges": [[116, 117]]}, { 
    "frame_type": "crypto", "offset": 56, "length": 123}]}],
[319582, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 1065, "packet_number": 0, "payload_length": 1044, "scid": "fef4329340d93fc0" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 1040}]}],
[319582, 0, "transport", "datagram_sent", { "byte_length": 1252}],
[319833, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=9\u000a"}],
[319582, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 210, "packet_number": 1, "payload_length": 189, "scid": "fef4329340d93fc0" }, "frames": [{ 
    "frame_type": "crypto", "offset": 1040, "length": 184}]}],
[319582, 0, "transport", "datagram_sent", { "byte_length": 226}],
[320994, 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": "4f2cc2688a32deeab226f00b574126c2e676f81603b959f888f3e9d06c7da164fcb5bb2edbd3cadc6519ec7759d2a3fe4c63"}, { 
    "frame_type": "new_connection_id", "sequence_number": 1, "retire_before": 0, "connection_id": "2041440a0bc1914a", "reset_token": "6e906cb160612bb9526c773d76011ff3"}, { 
    "frame_type": "new_connection_id", "sequence_number": 2, "retire_before": 0, "connection_id": "0c51f266fed6d07e", "reset_token": "7a7f1ff59d0e81bea5ace723fcf401b0"}, { 
    "frame_type": "new_connection_id", "sequence_number": 3, "retire_before": 0, "connection_id": "87a0ec4fe4bf67a2", "reset_token": "45715f14d5ef10361c50c19782cf535e"}, { 
    "frame_type": "padding"}]}],
[320994, 0, "recovery", "metrics_updated", {"cwnd": 15538,"pacing_rate": 1361424,"bytes_in_flight": 1917,"smoothed_rtt": 67919,"min_rtt": 67919,"latest_rtt": 67919}],
[320994, 0, "transport", "datagram_sent", { "byte_length": 439}],
[323491, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[323491, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3389,"smoothed_rtt": 67919}],
[323491, 0, "transport", "datagram_sent", { "byte_length": 1472}],
[456316, 0, "transport", "datagram_received", { "byte_length": 1252}],
[456316, 0, "transport", "packet_buffered", {
    "type" : "1RTT",
    "trigger": "keys_unavailable"}],
[456324, 0, "transport", "datagram_received", { "byte_length": 1220}],
[456324, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 49, "packet_number": 119, "payload_length": 11, "dcid": "fef4329340d93fc0" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 18, "acked_ranges": [[115999, 115999]], "ect0": 3, "ect1": 0, "ce": 0}]}],
[456324, 0, "transport", "packet_received", { "packet_type": "handshake", "header": { "packet_size": 100, "packet_number": 120, "payload_length": 63, "dcid": "fef4329340d93fc0" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 16, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "crypto", "offset": 0, "length": 52}]}],
[456362, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=10\u000a"}],
[456324, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1071, "packet_number": 121, "dcid": "fef4329340d93fc0", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "padding"}]}],
[456324, 0, "recovery", "metrics_updated", {"cwnd": 18847,"pacing_rate": 1361387,"bytes_in_flight": 0,"smoothed_rtt": 90146,"latest_rtt": 132833,"app_limited": 1}],
[456375, 0, "transport", "datagram_received", { "byte_length": 1252}],
[456375, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1252, "packet_number": 118, "dcid": "fef4329340d93fc0" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[456375, 0, "transport", "spin_bit_updated", { "state": true }],
[456375, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 2 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 6, "acked_ranges": [[121, 121], [118, 118]]}, { 
    "frame_type": "ack_frequency", "sequence_number": 0, "packet_tolerance": 2, "max_ack_delay": 16000, "reordering_threshold": 0}, { 
    "frame_type": "handshake_done"}, { 
    "frame_type": "padding"}]}],
[456375, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 90146}],
[456375, 0, "transport", "datagram_sent", { "byte_length": 55}],
[490529, 0, "transport", "datagram_received", { "byte_length": 1332}],
[490529, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 122, "dcid": "fef4329340d93fc0" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[491707, 0, "transport", "spin_bit_updated", { "state": false }],
[491707, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 3 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 147, "acked_ranges": [[121, 122], [118, 118]]}, { 
    "frame_type": "padding"}]}],
[491707, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 90146}],
[491707, 0, "transport", "datagram_sent", { "byte_length": 55}],
[494548, 0, "transport", "datagram_received", { "byte_length": 1412}],
[494548, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1412, "packet_number": 123, "dcid": "fef4329340d93fc0" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[494574, 0, "transport", "datagram_received", { "byte_length": 40}],
[494574, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 40, "packet_number": 124, "dcid": "fef4329340d93fc0" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[2, 3]], "ect0": 4, "ect1": 0, "ce": 0}, { 
    "frame_type": "connection_close", "error_space": "application", "error_code": 0}]}],
[494580, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=6\u000a"}],
[494574, 0, "recovery", "metrics_updated", {"cwnd": 18925,"bytes_in_flight": 0,"smoothed_rtt": 79236,"min_rtt": 2867,"latest_rtt": 2867}],
[494586, 0, "transport", "spin_bit_updated", { "state": true }],
[494586, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 6, "packet_number": 4 }, "frames": [{ 
    "frame_type": "connection_close", "error_space": "transport", "error_code": 0}]}],
[494586, 0, "transport", "datagram_sent", { "byte_length": 22}],
[510085, 0, "transport", "datagram_received", { "byte_length": 41}],
[510085, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 41, "packet_number": 125, "dcid": "fef4329340d93fc0" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[2, 4]], "ect0": 5, "ect1": 0, "ce": 0}, { 
    "frame_type": "connection_close", "error_space": "transport", "error_code": 0}]}],
[1334164, 0, "info", "message", { "message": "Closed. Retrans= 1, spurious= 1, max sp gap = 1, max sp delay = 318457, dg-coal: 1.125000"}]]}]}