{ "qlog_version": "draft-00", "title": "picoquic", "traces": [
{ "vantage_point": { "name": "backend-67", "type": "server" },
"title": "picoquic", "description": "fa216fc22319e7a4","event_fields": ["relative_time", "path_id", "category", "event", "data"],
"configuration": {"time_units": "us"},
"common_fields": { "protocol_type": "QUIC_HTTP3", "reference_time": "1110588893024"},
"events": [
[0, 0, "transport", "datagram_received", { "byte_length": 1220, "addr_from" : {"ip_v4": "172.203.195.209", "port_v4":59592}, "addr_to" : {"ip_v4": "172.31.61.32", "port_v4":21009}, "ecn" : "Not-ECT"}],
[0, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 1220, "packet_number": 85, "version": "00000001", "payload_length": 1130, "dcid": "fa216fc22319e7a4", "token": "abb5ac09a89c134c028c679b8bb0e911ed5c688abd5214b0cdc73175ebc868e16f1c3f3a932da6190b04fb4ea659f92e89347bb4" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 313}, { 
    "frame_type": "ping"}]}],
[83, 0, "transport", "parameters_set", {
    "owner": "remote",
    "sni": "test.privateoctopus.com",
    "proposed_alpn": ["hq-interop", "h3", "hq-29", "h3-29"],
    "alpn": "hq-interop"}],
[85, 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}],
[90, 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": "b2b4aa09d5cadc06",
    "original_connection_id": "d91dd18fe92814fd",
    "retry_connection_id": "fa216fc22319e7a4",
    "stateless_reset_token": "1c39014baf2bc882f841c02a6a7ba91b",
    "max_datagram_frame_size" : 1536,
    "min_ack_delay" : 1000,
    "address_discovery" : 0,
    "reset_stream_at" : "invalid"}],
[317, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 122, "packet_number": 110209, "payload_length": 100, "scid": "b2b4aa09d5cadc06" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 39, "acked_ranges": [[85, 85]]}, { 
    "frame_type": "crypto", "offset": 0, "length": 90}]}],
[317, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 1098, "packet_number": 0, "payload_length": 1077, "scid": "b2b4aa09d5cadc06" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 1073}]}],
[317, 0, "transport", "datagram_sent", { "byte_length": 1252}],
[328, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=9\u000a"}],
[317, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 187, "packet_number": 1, "payload_length": 166, "scid": "b2b4aa09d5cadc06" }, "frames": [{ 
    "frame_type": "crypto", "offset": 1073, "length": 161}]}],
[317, 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": "fa6c56df9aebc62bcac920d9266df9a04dfa466e16edf717b80a396e580ca375387b955f228eb241f5433a3b080e6157c813"}, { 
    "frame_type": "new_connection_id", "sequence_number": 1, "retire_before": 0, "connection_id": "634c9b371dc2a9d4", "reset_token": "4cc7c2dd5555e4ebff9f02ea1034f300"}, { 
    "frame_type": "new_connection_id", "sequence_number": 2, "retire_before": 0, "connection_id": "dbaaef64c8d85090", "reset_token": "68470f0c06c5116753ed9c31090dc5f4"}, { 
    "frame_type": "new_connection_id", "sequence_number": 3, "retire_before": 0, "connection_id": "c1604af1fd29b177", "reset_token": "9a2a2e004ec32d0f48872a4ae9ca8f22"}, { 
    "frame_type": "padding"}]}],
[317, 0, "recovery", "metrics_updated", {"cwnd": 15360,"bytes_in_flight": 1894}],
[317, 0, "transport", "datagram_sent", { "byte_length": 642}],
[317, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[317, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3366}],
[317, 0, "transport", "datagram_sent", { "byte_length": 1472}],
[5112, 0, "transport", "datagram_received", { "byte_length": 1220}],
[5112, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 101, "packet_number": 86, "payload_length": 11, "dcid": "b2b4aa09d5cadc06", "token": "abb5ac09a89c134c028c679b8bb0e911ed5c688abd5214b0cdc73175ebc868e16f1c3f3a932da6190b04fb4ea659f92e89347bb4" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 1, "acked_ranges": [[110209, 110209]], "ect0": 1, "ect1": 0, "ce": 0}]}],
[5112, 0, "transport", "packet_received", { "packet_type": "handshake", "header": { "packet_size": 100, "packet_number": 87, "payload_length": 63, "dcid": "b2b4aa09d5cadc06" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 1, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "crypto", "offset": 0, "length": 52}]}],
[5150, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=10\u000a"}],
[5112, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1019, "packet_number": 88, "dcid": "b2b4aa09d5cadc06", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "padding"}]}],
[5112, 0, "recovery", "metrics_updated", {"cwnd": 18646,"pacing_rate": 15020408,"bytes_in_flight": 0,"smoothed_rtt": 4795,"min_rtt": 4795,"latest_rtt": 4795,"app_limited": 1}],
[5163, 0, "transport", "datagram_received", { "byte_length": 1252}],
[5163, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1252, "packet_number": 89, "dcid": "b2b4aa09d5cadc06" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[5168, 0, "transport", "spin_bit_updated", { "state": true }],
[5168, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 2 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[88, 89]]}, { 
    "frame_type": "ack_frequency", "sequence_number": 0, "packet_tolerance": 2, "max_ack_delay": 1198, "reordering_threshold": 0}, { 
    "frame_type": "handshake_done"}, { 
    "frame_type": "padding"}]}],
[5168, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 4795}],
[5168, 0, "transport", "datagram_sent", { "byte_length": 55}],
[7329, 0, "transport", "datagram_received", { "byte_length": 1332}],
[7329, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 90, "dcid": "b2b4aa09d5cadc06" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[8547, 0, "transport", "spin_bit_updated", { "state": false }],
[8547, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 3 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 152, "acked_ranges": [[88, 90]]}, { 
    "frame_type": "padding"}]}],
[8547, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 4795}],
[8547, 0, "transport", "datagram_sent", { "byte_length": 55}],
[9165, 0, "transport", "datagram_received", { "byte_length": 37}],
[9165, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 37, "packet_number": 91, "dcid": "b2b4aa09d5cadc06" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 7, "acked_ranges": [[2, 2]], "ect0": 3, "ect1": 0, "ce": 0}]}],
[9165, 0, "recovery", "metrics_updated", {"cwnd": 18685,"bytes_in_flight": 55,"smoothed_rtt": 4695,"min_rtt": 3997,"latest_rtt": 3997}],
[9184, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 4 }, "frames": [{ 
    "frame_type": "ack_frequency", "sequence_number": 1, "packet_tolerance": 2, "max_ack_delay": 1000, "reordering_threshold": 0}, { 
    "frame_type": "padding"}]}],
[9184, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 4695}],
[9184, 0, "transport", "datagram_sent", { "byte_length": 55}],
[10779, 0, "transport", "datagram_received", { "byte_length": 1412}],
[10779, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1412, "packet_number": 92, "dcid": "b2b4aa09d5cadc06" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[10791, 0, "transport", "spin_bit_updated", { "state": true }],
[10791, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 5 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 1, "acked_ranges": [[90, 92]]}, { 
    "frame_type": "padding"}]}],
[10791, 0, "recovery", "metrics_updated", {"bytes_in_flight": 165,"smoothed_rtt": 4695}],
[10791, 0, "transport", "datagram_sent", { "byte_length": 55}],
[12411, 0, "transport", "datagram_received", { "byte_length": 37}],
[12411, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 37, "packet_number": 93, "dcid": "b2b4aa09d5cadc06" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 4, "acked_ranges": [[2, 4]], "ect0": 5, "ect1": 0, "ce": 0}]}],
[12411, 0, "recovery", "metrics_updated", {"cwnd": 18763,"bytes_in_flight": 55,"smoothed_rtt": 4511,"min_rtt": 3227,"latest_rtt": 3227}],
[12924, 0, "transport", "datagram_received", { "byte_length": 1440}],
[12924, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 94, "dcid": "b2b4aa09d5cadc06" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[12933, 0, "transport", "spin_bit_updated", { "state": false }],
[12933, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 6 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 1, "acked_ranges": [[90, 94]]}, { 
    "frame_type": "padding"}]}],
[12933, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 4511}],
[12933, 0, "transport", "datagram_sent", { "byte_length": 55}],
[256131, 0, "transport", "datagram_received", { "byte_length": 1440, "addr_from" : {"ip_v4": "172.203.195.209", "port_v4":9673}}],
[256131, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 95, "dcid": "b2b4aa09d5cadc06" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 938, "acked_ranges": [[5, 6]], "ect0": 7, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[256131, 0, "recovery", "metrics_updated", {"bytes_in_flight": 0,"smoothed_rtt": 4511}],
[256152, 0, "transport", "datagram_received", { "byte_length": 1440}],
[256152, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 96, "dcid": "b2b4aa09d5cadc06" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[256158, 0, "transport", "spin_bit_updated", { "state": true }],
[256158, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 7 }, "frames": [{ 
    "frame_type": "path_challenge", "path_challenge": "ad4612761bee3179"}, { 
    "frame_type": "padding"}]}],
[256158, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1472,"smoothed_rtt": 4511}],
[256158, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 8 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[90, 96]]}, { 
    "frame_type": "padding"}]}],
[256158, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1527,"smoothed_rtt": 4511}],
[256158, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "172.203.195.209", "port_v4":59592}}],
[279759, 0, "transport", "datagram_received", { "byte_length": 1440, "addr_from" : {"ip_v4": "172.203.195.209", "port_v4":9673}}],
[279759, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 97, "dcid": "b2b4aa09d5cadc06" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[280843, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 9 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 135, "acked_ranges": [[90, 97]]}, { 
    "frame_type": "padding"}]}],
[280843, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1582,"smoothed_rtt": 4511}],
[280843, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "172.203.195.209", "port_v4":59592}}],
[306057, 0, "transport", "datagram_received", { "byte_length": 1440, "addr_from" : {"ip_v4": "172.203.195.209", "port_v4":9673}}],
[306057, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 98, "dcid": "b2b4aa09d5cadc06" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[307146, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 10 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[90, 98]]}, { 
    "frame_type": "padding"}]}],
[307146, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1637,"smoothed_rtt": 4511}],
[307146, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "172.203.195.209", "port_v4":59592}}],
[352919, 0, "transport", "datagram_received", { "byte_length": 1440, "addr_from" : {"ip_v4": "172.203.195.209", "port_v4":9673}}],
[352919, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 99, "dcid": "b2b4aa09d5cadc06" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[352919, 0, "recovery", "metrics_updated", {"bytes_in_flight": 0,"smoothed_rtt": 4511}],
[354029, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 11 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 138, "acked_ranges": [[90, 99]]}, { 
    "frame_type": "padding"}]}],
[354029, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 4511}],
[354029, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "172.203.195.209", "port_v4":59592}}],
[357056, 0, "transport", "datagram_received", { "byte_length": 1440, "addr_from" : {"ip_v4": "172.203.195.209", "port_v4":9673}}],
[357056, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 100, "dcid": "b2b4aa09d5cadc06" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[358149, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 12 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[90, 100]]}, { 
    "frame_type": "padding"}]}],
[358149, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 4511}],
[358149, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "172.203.195.209", "port_v4":59592}}],
[506418, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 13 }, "frames": [{ 
    "frame_type": "path_challenge", "path_challenge": "58b2bb1c9689987f"}, { 
    "frame_type": "padding"}]}],
[506418, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1472,"smoothed_rtt": 4511}],
[575078, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 14 }, "frames": [{ 
    "frame_type": "path_challenge", "path_challenge": "964c7b7a60f14d31"}, { 
    "frame_type": "padding"}]}],
[2033046, 0, "transport", "datagram_received", { "byte_length": 47, "addr_from" : {"ip_v4": "172.203.195.209", "port_v4":9673}}],
[2033046, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 47, "packet_number": 101, "dcid": "b2b4aa09d5cadc06" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 6389, "acked_ranges": [[5, 7]], "ect0": 8, "ect1": 0, "ce": 0}, { 
    "frame_type": "path_response", "path_response": "ad4612761bee3179"}]}],
[2033046, 0, "recovery", "metrics_updated", {"bytes_in_flight": 0,"smoothed_rtt": 4511}],
[2033066, 0, "transport", "datagram_received", { "byte_length": 48}],
[2033066, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 48, "packet_number": 102, "dcid": "b2b4aa09d5cadc06" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[13, 14], [5, 7]], "ect0": 10, "ect1": 0, "ce": 0}, { 
    "frame_type": "path_response", "path_response": "964c7b7a60f14d31"}]}],
[2033073, 0, "transport", "spin_bit_updated", { "state": false }],
[2033073, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 15 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2033073, 0, "recovery", "congestion_state_updated", {"old": "0","new": "1048576","cc_param": 685297}],
[2033073, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1472,"smoothed_rtt": 4511}],
[2033073, 0, "transport", "datagram_sent", { "byte_length": 1472}],
[2067928, 0, "recovery", "packet_lost", {
    "packet_type" : "1RTT",
    "packet_number" : 15,
    "trigger": "timer",
    "header": {
        "packet_type" : "1RTT",
        "packet_number" : 15,
        "packet_size" : 1456}}],
[2067928, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1384, "packet_number": 16 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2067928, 0, "recovery", "congestion_state_updated", {"old": "1048576","new": "1441792","cc_param": 685297}],
[2067928, 0, "recovery", "metrics_updated", {"cwnd": 2724,"bytes_in_flight": 1400,"smoothed_rtt": 4511}],
[2067928, 0, "transport", "datagram_sent", { "byte_length": 1400}],
[2102258, 0, "recovery", "packet_lost", {
    "packet_type" : "1RTT",
    "packet_number" : 16,
    "trigger": "timer",
    "header": {
        "packet_type" : "1RTT",
        "packet_number" : 16,
        "packet_size" : 1384}}],
[12035020, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=5\u000a"}],
[12035027, 0, "info", "message", { "message": "Closed. Retrans= 2, spurious= 0, max sp gap = 0, max sp delay = 0, dg-coal: 0.882353"}]]}]}