{ "qlog_version": "draft-00", "title": "picoquic", "traces": [
{ "vantage_point": { "name": "backend-67", "type": "server" },
"title": "picoquic", "description": "f4b0fc0684575630","event_fields": ["relative_time", "path_id", "category", "event", "data"],
"configuration": {"time_units": "us"},
"common_fields": { "protocol_type": "QUIC_HTTP3", "reference_time": "1176111268564"},
"events": [
[0, 0, "transport", "datagram_received", { "byte_length": 1220, "addr_from" : {"ip_v4": "20.55.213.112", "port_v4":19756}, "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": 156, "version": "00000001", "payload_length": 1182, "dcid": "f4b0fc0684575630" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 357}]}],
[869, 0, "transport", "parameters_set", {
    "owner": "remote",
    "sni": "test.privateoctopus.com",
    "proposed_alpn": ["hq-interop", "hq-29"],
    "alpn": "hq-interop"}],
[888, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 88, "packet_number": 95492, "payload_length": 66, "scid": "acaaafad06bfbab5" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 111, "acked_ranges": [[156, 156]]}, { 
    "frame_type": "crypto", "offset": 0, "length": 56}]}],
[888, 0, "transport", "datagram_sent", { "byte_length": 1252}],
[251192, 0, "recovery", "packet_lost", {
    "packet_type" : "initial",
    "packet_number" : 95492,
    "trigger": "timer",
    "header": {
        "packet_type" : "initial",
        "packet_number" : 95492,
        "packet_size" : 88}}],
[251192, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 90, "packet_number": 95493, "payload_length": 68, "scid": "acaaafad06bfbab5" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 56}, { 
    "frame_type": "ack", "ack_delay": 31399, "acked_ranges": [[156, 156]]}]}],
[251192, 0, "transport", "datagram_sent", { "byte_length": 106}],
[280209, 0, "transport", "datagram_received", { "byte_length": 1220}],
[280209, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 1220, "packet_number": 157, "payload_length": 1182, "dcid": "acaaafad06bfbab5" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[95492, 95493]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "crypto", "offset": 357, "length": 325}, { 
    "frame_type": "ping"}]}],
[280230, 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": ""}],
[280238, 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": "acaaafad06bfbab5",
    "original_connection_id": "f4b0fc0684575630",
    "stateless_reset_token": "c7999f68b04a0321ccdedbc8d81c443a",
    "max_datagram_frame_size" : 1536,
    "min_ack_delay" : 1000,
    "address_discovery" : 0,
    "reset_stream_at" : "invalid"}],
[280494, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 155, "packet_number": 95494, "payload_length": 133, "scid": "acaaafad06bfbab5" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 35, "acked_ranges": [[156, 157]]}, { 
    "frame_type": "crypto", "offset": 56, "length": 123}]}],
[280494, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 1065, "packet_number": 0, "payload_length": 1044, "scid": "acaaafad06bfbab5" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 1040}]}],
[280494, 0, "transport", "datagram_sent", { "byte_length": 1252}],
[280522, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=9\u000a"}],
[280494, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 210, "packet_number": 1, "payload_length": 189, "scid": "acaaafad06bfbab5" }, "frames": [{ 
    "frame_type": "crypto", "offset": 1040, "length": 184}]}],
[280494, 0, "transport", "datagram_sent", { "byte_length": 226}],
[281822, 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": "505993f9831deab9d7f82c558c935c850d6dd2b7726e890495f8bd5ff5ff69a22d4804edc84e85d49e6842edfc2a22b4587d"}, { 
    "frame_type": "new_connection_id", "sequence_number": 1, "retire_before": 0, "connection_id": "8bb76e20bb5ef53f", "reset_token": "02725a390fb772cde0269db58b898680"}, { 
    "frame_type": "new_connection_id", "sequence_number": 2, "retire_before": 0, "connection_id": "10442e971e14b7d8", "reset_token": "c6f67ce29f3be235478443375b3f9f57"}, { 
    "frame_type": "new_connection_id", "sequence_number": 3, "retire_before": 0, "connection_id": "de7a7beeb0a11207", "reset_token": "787ae767454506c7b5da00294b9845f5"}, { 
    "frame_type": "padding"}]}],
[281822, 0, "recovery", "metrics_updated", {"cwnd": 15538,"pacing_rate": 1361424,"bytes_in_flight": 1917,"smoothed_rtt": 29017,"min_rtt": 29017,"latest_rtt": 29017}],
[281822, 0, "transport", "datagram_sent", { "byte_length": 439}],
[284403, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[284403, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3389,"smoothed_rtt": 29017}],
[284403, 0, "transport", "datagram_sent", { "byte_length": 1472}],
[353191, 0, "recovery", "packet_lost", {
    "packet_type" : "initial",
    "packet_number" : 95494,
    "trigger": "timer",
    "header": {
        "packet_type" : "initial",
        "packet_number" : 95494,
        "packet_size" : 155}}],
[353191, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 167, "packet_number": 95495, "payload_length": 145, "scid": "acaaafad06bfbab5" }, "frames": [{ 
    "frame_type": "crypto", "offset": 56, "length": 123}, { 
    "frame_type": "ack", "ack_delay": 9122, "acked_ranges": [[156, 157]]}]}],
[353191, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3401,"smoothed_rtt": 29017}],
[353191, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 1053, "packet_number": 2, "payload_length": 1032, "scid": "acaaafad06bfbab5" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[353191, 0, "recovery", "metrics_updated", {"bytes_in_flight": 4470,"smoothed_rtt": 29017}],
[353191, 0, "transport", "datagram_sent", { "byte_length": 1252}],
[413453, 0, "transport", "datagram_received", { "byte_length": 1252}],
[413453, 0, "transport", "packet_buffered", {
    "type" : "1RTT",
    "trigger": "keys_unavailable"}],
[413463, 0, "transport", "datagram_received", { "byte_length": 1220}],
[413463, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 49, "packet_number": 159, "payload_length": 11, "dcid": "acaaafad06bfbab5" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 23, "acked_ranges": [[95494, 95494]], "ect0": 3, "ect1": 0, "ce": 0}]}],
[413463, 0, "transport", "packet_received", { "packet_type": "handshake", "header": { "packet_size": 100, "packet_number": 160, "payload_length": 63, "dcid": "acaaafad06bfbab5" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[0, 2]], "ect0": 3, "ect1": 0, "ce": 0}, { 
    "frame_type": "crypto", "offset": 0, "length": 52}]}],
[413529, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=10\u000a"}],
[413463, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1071, "packet_number": 161, "dcid": "acaaafad06bfbab5", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "stream", "id": 0, "offset": 0, "length": 7, "fin": true , "begins_with": "474554202f0d0a"}, { 
    "frame_type": "padding"}]}],
[413542, 0, "info", "message", { "message": "Server CB, Stream: 0, 7 bytes, fin=1\u000a"}],
[413545, 0, "info", "message", { "message": "Server CB, Stream: 0, Processing command: GET /\u000a"}],
[413463, 0, "recovery", "metrics_updated", {"cwnd": 19900,"pacing_rate": 1361387,"bytes_in_flight": 0,"smoothed_rtt": 54888,"latest_rtt": 129060,"app_limited": 1}],
[413555, 0, "transport", "datagram_received", { "byte_length": 1252}],
[413555, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1252, "packet_number": 158, "dcid": "acaaafad06bfbab5" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[413555, 0, "transport", "spin_bit_updated", { "state": true }],
[413555, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 423, "packet_number": 2 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 11, "acked_ranges": [[161, 161], [158, 158]]}, { 
    "frame_type": "ack_frequency", "sequence_number": 0, "packet_tolerance": 2, "max_ack_delay": 16000, "reordering_threshold": 0}, { 
    "frame_type": "handshake_done"}, { 
    "frame_type": "stream", "id": 0, "offset": 0, "length": 386, "fin": true , "begins_with": "3c21444f43545950"}, { 
    "frame_type": "padding"}]}],
[413555, 0, "recovery", "metrics_updated", {"bytes_in_flight": 439,"smoothed_rtt": 54888}],
[413555, 0, "transport", "datagram_sent", { "byte_length": 439}],
[511677, 0, "transport", "datagram_received", { "byte_length": 1332}],
[511677, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 162, "dcid": "acaaafad06bfbab5" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[512758, 0, "transport", "spin_bit_updated", { "state": false }],
[512758, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 3 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 135, "acked_ranges": [[161, 162], [158, 158]]}, { 
    "frame_type": "padding"}]}],
[512758, 0, "recovery", "metrics_updated", {"bytes_in_flight": 494,"smoothed_rtt": 54888}],
[512758, 0, "transport", "datagram_sent", { "byte_length": 55}],
[529922, 0, "transport", "datagram_received", { "byte_length": 38}],
[529922, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 38, "packet_number": 163, "dcid": "acaaafad06bfbab5" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 70, "acked_ranges": [[2, 2]], "ect0": 3, "ect1": 0, "ce": 0}]}],
[529934, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=27\u000a"}],
[529938, 0, "info", "message", { "message": "Server CB, Stream: 0, unexpected event\u000a"}],
[529922, 0, "recovery", "metrics_updated", {"cwnd": 20323,"bytes_in_flight": 55,"smoothed_rtt": 61322,"latest_rtt": 106367}],
[529953, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 4 }, "frames": [{ 
    "frame_type": "reset_stream", "stream_id": 0, "error_code": 1, "final_size": 386}, { 
    "frame_type": "padding"}]}],
[529953, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 61322}],
[529953, 0, "transport", "datagram_sent", { "byte_length": 55}],
[551956, 0, "transport", "datagram_received", { "byte_length": 1412}],
[551956, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1412, "packet_number": 164, "dcid": "acaaafad06bfbab5" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[552029, 0, "transport", "spin_bit_updated", { "state": true }],
[552029, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 5 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 9, "acked_ranges": [[162, 164]]}, { 
    "frame_type": "padding"}]}],
[552029, 0, "recovery", "metrics_updated", {"bytes_in_flight": 165,"smoothed_rtt": 61322}],
[552029, 0, "transport", "datagram_sent", { "byte_length": 55}],
[556863, 0, "transport", "datagram_received", { "byte_length": 40}],
[556863, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 40, "packet_number": 165, "dcid": "acaaafad06bfbab5" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 19, "acked_ranges": [[2, 4]], "ect0": 5, "ect1": 0, "ce": 0}, { 
    "frame_type": "connection_close", "error_space": "application", "error_code": 0}]}],
[556873, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=6\u000a"}],
[556863, 0, "recovery", "metrics_updated", {"cwnd": 20401,"bytes_in_flight": 55,"smoothed_rtt": 57020,"min_rtt": 26910,"latest_rtt": 26910}],
[556883, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 6, "packet_number": 6 }, "frames": [{ 
    "frame_type": "connection_close", "error_space": "transport", "error_code": 0}]}],
[556883, 0, "transport", "datagram_sent", { "byte_length": 22}],
[562434, 0, "transport", "datagram_received", { "byte_length": 1440}],
[562434, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 166, "dcid": "acaaafad06bfbab5" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[562452, 0, "transport", "datagram_received", { "byte_length": 41}],
[562452, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 41, "packet_number": 167, "dcid": "acaaafad06bfbab5" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[3, 6]], "ect0": 7, "ect1": 0, "ce": 0}, { 
    "frame_type": "connection_close", "error_space": "transport", "error_code": 0}]}],
[1217913, 0, "info", "message", { "message": "Closed. Retrans= 2, spurious= 2, max sp gap = 1, max sp delay = 279321, dg-coal: 1.090909"}]]}]}
