{ "qlog_version": "draft-00", "title": "picoquic", "traces": [
{ "vantage_point": { "name": "backend-67", "type": "server" },
"title": "picoquic", "description": "1eb0d4f12a6c573e","event_fields": ["relative_time", "path_id", "category", "event", "data"],
"configuration": {"time_units": "us"},
"common_fields": { "protocol_type": "QUIC_HTTP3", "reference_time": "15841242023"},
"events": [
[0, 0, "transport", "datagram_received", { "byte_length": 1220, "addr_from" : {"ip_v4": "20.119.95.38", "port_v4":51124}, "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": 1, "version": "00000001", "payload_length": 1131, "dcid": "1eb0d4f12a6c573e", "token": "b4481a18e7e56566c3db5ee4757508155896f719f599ccb1162d1e353a2ccc7b6a36c43bc0f4a0156055e415bae93947962879" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 309}, { 
    "frame_type": "ping"}]}],
[104, 0, "transport", "parameters_set", {
    "owner": "remote",
    "sni": "test.privateoctopus.com",
    "proposed_alpn": ["hq-interop", "h3", "hq-29", "h3-29"],
    "alpn": "hq-interop"}],
[107, 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}],
[113, 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": "780e0abf393bb5f9",
    "original_connection_id": "5fb8fad7e3f7f02e",
    "retry_connection_id": "1eb0d4f12a6c573e",
    "stateless_reset_token": "6d042aacae25b2570b25db3053581f07",
    "max_datagram_frame_size" : 1536,
    "min_ack_delay" : 1000,
    "address_discovery" : 0,
    "reset_stream_at" : "invalid"}],
[399, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 121, "packet_number": 93022, "payload_length": 99, "scid": "780e0abf393bb5f9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 49, "acked_ranges": [[1, 1]]}, { 
    "frame_type": "crypto", "offset": 0, "length": 90}]}],
[399, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 1099, "packet_number": 0, "payload_length": 1078, "scid": "780e0abf393bb5f9" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 1074}]}],
[399, 0, "transport", "datagram_sent", { "byte_length": 1252}],
[417, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=9\u000a"}],
[399, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 170, "packet_number": 1, "payload_length": 149, "scid": "780e0abf393bb5f9" }, "frames": [{ 
    "frame_type": "crypto", "offset": 1074, "length": 144}]}],
[399, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 295, "packet_number": 0, "key_phase": 0 }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 149}, { 
    "frame_type": "new_token", "new_token": "d044c47bd6a0b9dd52e7ec6ebaede5c59c4b584936d37f75f11e8c3359d22f6b49caf50d5ff10ada2f22c35e2870a21c65d1"}, { 
    "frame_type": "new_connection_id", "sequence_number": 1, "retire_before": 0, "connection_id": "265ebb099e980590", "reset_token": "cb79d9e4b739867167a5ccd44904720a"}, { 
    "frame_type": "new_connection_id", "sequence_number": 2, "retire_before": 0, "connection_id": "4b727df4d044ef29", "reset_token": "e3b972aef08abbdcc25f1e5310ea5249"}, { 
    "frame_type": "new_connection_id", "sequence_number": 3, "retire_before": 0, "connection_id": "b1722c93dfa8a1c7", "reset_token": "c756bc6ef1973cc61f959e16642c6e4b"}, { 
    "frame_type": "padding"}]}],
[399, 0, "recovery", "metrics_updated", {"cwnd": 15360,"bytes_in_flight": 1749}],
[399, 0, "transport", "datagram_sent", { "byte_length": 497}],
[399, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[399, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3221}],
[399, 0, "transport", "datagram_sent", { "byte_length": 1472}],
[250399, 0, "recovery", "packet_lost", {
    "packet_type" : "initial",
    "packet_number" : 93022,
    "trigger": "timer",
    "header": {
        "packet_type" : "initial",
        "packet_number" : 93022,
        "packet_size" : 121}}],
[250399, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 167, "packet_number": 93023, "payload_length": 145, "scid": "780e0abf393bb5f9" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 90}, { 
    "frame_type": "ack", "ack_delay": 31299, "acked_ranges": [[1, 1]]}]}],
[250399, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3267}],
[250399, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 1053, "packet_number": 2, "payload_length": 1032, "scid": "780e0abf393bb5f9" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[250399, 0, "recovery", "metrics_updated", {"bytes_in_flight": 4336}],
[250399, 0, "transport", "datagram_sent", { "byte_length": 1252}],
[364095, 0, "transport", "datagram_received", { "byte_length": 1220}],
[364095, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 100, "packet_number": 2, "payload_length": 11, "dcid": "780e0abf393bb5f9", "token": "b4481a18e7e56566c3db5ee4757508155896f719f599ccb1162d1e353a2ccc7b6a36c43bc0f4a0156055e415bae93947962879" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 2, "acked_ranges": [[93022, 93022]], "ect0": 1, "ect1": 0, "ce": 0}]}],
[364095, 0, "transport", "packet_received", { "packet_type": "handshake", "header": { "packet_size": 84, "packet_number": 3, "payload_length": 47, "dcid": "780e0abf393bb5f9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[0, 2]], "ect0": 3, "ect1": 0, "ce": 0}, { 
    "frame_type": "crypto", "offset": 0, "length": 36}]}],
[364162, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=10\u000a"}],
[364095, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1036, "packet_number": 4, "dcid": "780e0abf393bb5f9", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "padding"}]}],
[364095, 0, "recovery", "congestion_state_updated", {"old": "0","new": "7","cc_param": 20422}],
[364095, 0, "recovery", "metrics_updated", {"cwnd": 55863,"pacing_rate": 1660696,"bytes_in_flight": 0,"smoothed_rtt": 336352,"min_rtt": 113696,"latest_rtt": 363696,"app_limited": 1}],
[364179, 0, "transport", "datagram_received", { "byte_length": 1252}],
[364179, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1252, "packet_number": 5, "dcid": "780e0abf393bb5f9" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[364186, 0, "transport", "spin_bit_updated", { "state": true }],
[364186, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 2 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[4, 5]]}, { 
    "frame_type": "ack_frequency", "sequence_number": 0, "packet_tolerance": 5, "max_ack_delay": 10000, "reordering_threshold": 0}, { 
    "frame_type": "handshake_done"}, { 
    "frame_type": "padding"}]}],
[364186, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 336352}],
[364186, 0, "transport", "datagram_sent", { "byte_length": 55}],
[372167, 0, "transport", "datagram_received", { "byte_length": 40}],
[372167, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 40, "packet_number": 6, "dcid": "780e0abf393bb5f9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[2, 2]], "ect0": 3, "ect1": 0, "ce": 0}, { 
    "frame_type": "connection_close", "error_space": "application", "error_code": 0}]}],
[372178, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=6\u000a"}],
[372167, 0, "recovery", "metrics_updated", {"pacing_rate": 1891423,"bytes_in_flight": 0,"smoothed_rtt": 295305,"min_rtt": 7981,"latest_rtt": 7981}],
[372185, 0, "transport", "spin_bit_updated", { "state": false }],
[372185, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 6, "packet_number": 3 }, "frames": [{ 
    "frame_type": "connection_close", "error_space": "transport", "error_code": 0}]}],
[372185, 0, "transport", "datagram_sent", { "byte_length": 22}],
[3126679, 0, "info", "message", { "message": "Closed. Retrans= 1, spurious= 1, max sp gap = 0, max sp delay = 363696, dg-coal: 1.200000"}]]}]}