{ "qlog_version": "draft-00", "title": "picoquic", "traces": [
{ "vantage_point": { "name": "backend-67", "type": "server" },
"title": "picoquic", "description": "2f80c21195a916d4","event_fields": ["relative_time", "path_id", "category", "event", "data"],
"configuration": {"time_units": "us"},
"common_fields": { "protocol_type": "QUIC_HTTP3", "reference_time": "514361140886"},
"events": [
[0, 0, "transport", "datagram_received", { "byte_length": 1220, "addr_from" : {"ip_v4": "172.182.169.12", "port_v4":56457}, "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": 248, "version": "00000001", "payload_length": 1182, "dcid": "2f80c21195a916d4" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 1178}]}],
[155, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 28, "packet_number": 108297, "payload_length": 6, "scid": "577829e4cb5d9379" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 19, "acked_ranges": [[248, 248]]}]}],
[155, 0, "transport", "datagram_sent", { "byte_length": 44}],
[250207, 0, "recovery", "packet_lost", {
    "packet_type" : "initial",
    "packet_number" : 108297,
    "trigger": "timer",
    "header": {
        "packet_type" : "initial",
        "packet_number" : 108297,
        "packet_size" : 28}}],
[306870, 0, "transport", "datagram_received", { "byte_length": 1220}],
[306870, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 1220, "packet_number": 250, "payload_length": 1182, "dcid": "577829e4cb5d9379" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[108297, 108297]], "ect0": 1, "ect1": 0, "ce": 0}, { 
    "frame_type": "crypto", "offset": 1178, "length": 427}, { 
    "frame_type": "ping"}]}],
[306885, 0, "transport", "parameters_set", {
    "owner": "remote",
    "sni": "test.privateoctopus.com",
    "proposed_alpn": ["hq-interop", "h3", "hq-29", "h3-29"],
    "alpn": "hq-interop"}],
[306888, 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": "",
    "version_negotiation": {"chosen": "00000001", "others": ["00000001","6b3343cf"]},
    "min_ack_delay" : 16000}],
[306896, 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": "577829e4cb5d9379",
    "original_connection_id": "2f80c21195a916d4",
    "stateless_reset_token": "76f5614a039c7079ed96fb137a6bb304",
    "max_datagram_frame_size" : 1536,
    "min_ack_delay" : 1000,
    "version_negotiation": {"chosen": "00000001", "others": ["00000001","6b3343cf","709a50c4","ff000022","ff000021","ff000020","ff00001f","ff00001d","ff00001e","ff00001c","ff00001b","50435131","50435130"]},
    "address_discovery" : 0,
    "reset_stream_at" : "invalid"}],
[307140, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 124, "packet_number": 108298, "payload_length": 102, "scid": "577829e4cb5d9379" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 33, "acked_ranges": [[250, 250], [248, 248]]}, { 
    "frame_type": "crypto", "offset": 0, "length": 90}]}],
[307140, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 1096, "packet_number": 0, "payload_length": 1075, "scid": "577829e4cb5d9379" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 1071}]}],
[307140, 0, "transport", "datagram_sent", { "byte_length": 1252}],
[307170, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=9\u000a"}],
[307140, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 239, "packet_number": 1, "payload_length": 218, "scid": "577829e4cb5d9379" }, "frames": [{ 
    "frame_type": "crypto", "offset": 1071, "length": 213}]}],
[307140, 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": "421ab63475465c5301b5071a94c04b6a61c92614c8cb12c37ec4a232a414dee9fe86a96d2110f045d446355e0742a6f5d38d"}, { 
    "frame_type": "new_connection_id", "sequence_number": 1, "retire_before": 0, "connection_id": "a11bab921f4d09d8", "reset_token": "a1acc7bf5ac2c678ca5c8bd23f069815"}, { 
    "frame_type": "new_connection_id", "sequence_number": 2, "retire_before": 0, "connection_id": "4d5b906bced59e33", "reset_token": "2ddec0519095144cbe09bde019c47520"}, { 
    "frame_type": "new_connection_id", "sequence_number": 3, "retire_before": 0, "connection_id": "e4aa9a812638c75f", "reset_token": "36f5617371cb9d3e1191edb4b31e729b"}, { 
    "frame_type": "padding"}]}],
[307140, 0, "recovery", "metrics_updated", {"cwnd": 15360,"bytes_in_flight": 1946}],
[307140, 0, "transport", "datagram_sent", { "byte_length": 694}],
[307140, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[307140, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3418}],
[307140, 0, "transport", "datagram_sent", { "byte_length": 1472}],
[376840, 0, "transport", "datagram_received", { "byte_length": 1220}],
[376840, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 49, "packet_number": 251, "payload_length": 11, "dcid": "577829e4cb5d9379" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 7, "acked_ranges": [[108298, 108298]], "ect0": 2, "ect1": 0, "ce": 0}]}],
[376840, 0, "transport", "packet_received", { "packet_type": "handshake", "header": { "packet_size": 100, "packet_number": 252, "payload_length": 63, "dcid": "577829e4cb5d9379" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 4, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "crypto", "offset": 0, "length": 52}]}],
[376901, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=10\u000a"}],
[376840, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1071, "packet_number": 253, "dcid": "577829e4cb5d9379", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "padding"}]}],
[376840, 0, "recovery", "metrics_updated", {"cwnd": 18698,"pacing_rate": 1361387,"bytes_in_flight": 0,"smoothed_rtt": 69700,"min_rtt": 69700,"latest_rtt": 69700,"app_limited": 1}],
[376917, 0, "transport", "datagram_received", { "byte_length": 1252}],
[376917, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1252, "packet_number": 254, "dcid": "577829e4cb5d9379" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[376923, 0, "transport", "spin_bit_updated", { "state": true }],
[376923, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 2 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[253, 254]]}, { 
    "frame_type": "ack_frequency", "sequence_number": 0, "packet_tolerance": 2, "max_ack_delay": 16000, "reordering_threshold": 0}, { 
    "frame_type": "handshake_done"}, { 
    "frame_type": "padding"}]}],
[376923, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 69700}],
[376923, 0, "transport", "datagram_sent", { "byte_length": 55}],
[376999, 0, "transport", "datagram_received", { "byte_length": 73}],
[376999, 0, "transport", "packet_dropped", {
    "packet_type" : "handshake",
    "packet_size" : 73,
    "trigger": "aead not ready"}],
[376999, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 32, "packet_number": 256, "dcid": "577829e4cb5d9379" }, "frames": [{ 
    "frame_type": "connection_close", "error_space": "application", "error_code": 0}]}],
[377018, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=6\u000a"}],
[377023, 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}]}],
[377023, 0, "transport", "datagram_sent", { "byte_length": 22}],
[441910, 0, "transport", "datagram_received", { "byte_length": 41}],
[441910, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 41, "packet_number": 257, "dcid": "577829e4cb5d9379" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[2, 3]], "ect0": 4, "ect1": 0, "ce": 0}, { 
    "frame_type": "connection_close", "error_space": "transport", "error_code": 0}]}],
[885584, 0, "info", "message", { "message": "Closed. Retrans= 1, spurious= 0, max sp gap = 0, max sp delay = 0, dg-coal: 1.200000"}]]}]}