{ "qlog_version": "draft-00", "title": "picoquic", "traces": [
{ "vantage_point": { "name": "backend-67", "type": "server" },
"title": "picoquic", "description": "2f3d62e50aabad19","event_fields": ["relative_time", "path_id", "category", "event", "data"],
"configuration": {"time_units": "us"},
"common_fields": { "protocol_type": "QUIC_HTTP3", "reference_time": "1512636863498"},
"events": [
[0, 0, "transport", "datagram_received", { "byte_length": 1220, "addr_from" : {"ip_v4": "20.46.238.64", "port_v4":58996}, "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": 15, "version": "00000001", "payload_length": 1182, "dcid": "2f3d62e50aabad19" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 435}]}],
[119, 0, "transport", "parameters_set", {
    "owner": "remote",
    "sni": "test.privateoctopus.com",
    "proposed_alpn": ["hq-interop", "h3", "hq-29", "h3-29"],
    "alpn": "hq-interop"}],
[121, 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": ""}],
[128, 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": "4e6df466ced60e15",
    "original_connection_id": "2f3d62e50aabad19",
    "stateless_reset_token": "dcc155ba78f44a4d41aaa44bc40c1a90",
    "max_datagram_frame_size" : 1536,
    "min_ack_delay" : 1000,
    "address_discovery" : 0,
    "reset_stream_at" : "invalid"}],
[653, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 155, "packet_number": 105643, "payload_length": 133, "scid": "4e6df466ced60e15" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 81, "acked_ranges": [[15, 15]]}, { 
    "frame_type": "crypto", "offset": 0, "length": 123}]}],
[653, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 1065, "packet_number": 0, "payload_length": 1044, "scid": "4e6df466ced60e15" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 1040}]}],
[653, 0, "transport", "datagram_sent", { "byte_length": 1252}],
[690, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=9\u000a"}],
[653, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 210, "packet_number": 1, "payload_length": 189, "scid": "4e6df466ced60e15" }, "frames": [{ 
    "frame_type": "crypto", "offset": 1040, "length": 184}]}],
[653, 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": "7398a7d3da0fb9081b73fee55f01978e68bee42b1ad2c3675784b8f1d731fc8d865b03f64782fb22fc34d2e73bb114d534d2"}, { 
    "frame_type": "new_connection_id", "sequence_number": 1, "retire_before": 0, "connection_id": "f7d6b1ead59a596d", "reset_token": "16a5831b69deae64d6056ccd69bf552e"}, { 
    "frame_type": "new_connection_id", "sequence_number": 2, "retire_before": 0, "connection_id": "9c1ddb7983021eea", "reset_token": "ba9351366e3a49721dfb2697ebac84e0"}, { 
    "frame_type": "new_connection_id", "sequence_number": 3, "retire_before": 0, "connection_id": "995c2812e9f9c92b", "reset_token": "a8c63f0cd6ae1328a0994587f68501f0"}, { 
    "frame_type": "padding"}]}],
[653, 0, "recovery", "metrics_updated", {"cwnd": 15360,"bytes_in_flight": 1917}],
[653, 0, "transport", "datagram_sent", { "byte_length": 665}],
[653, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[653, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3389}],
[653, 0, "transport", "datagram_sent", { "byte_length": 1472}],
[39906, 0, "transport", "datagram_received", { "byte_length": 1252}],
[39906, 0, "transport", "packet_buffered", {
    "type" : "1RTT",
    "trigger": "keys_unavailable"}],
[40093, 0, "transport", "datagram_received", { "byte_length": 1220}],
[40093, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 49, "packet_number": 17, "payload_length": 11, "dcid": "4e6df466ced60e15" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 8, "acked_ranges": [[105643, 105643]], "ect0": 1, "ect1": 0, "ce": 0}]}],
[40093, 0, "transport", "packet_received", { "packet_type": "handshake", "header": { "packet_size": 100, "packet_number": 18, "payload_length": 63, "dcid": "4e6df466ced60e15" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 5, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "crypto", "offset": 0, "length": 52}]}],
[40138, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=10\u000a"}],
[40093, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1071, "packet_number": 19, "dcid": "4e6df466ced60e15", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "padding"}]}],
[40093, 0, "recovery", "metrics_updated", {"cwnd": 18669,"pacing_rate": 1840575,"bytes_in_flight": 0,"smoothed_rtt": 39751,"min_rtt": 39440,"latest_rtt": 39440,"app_limited": 1}],
[40152, 0, "transport", "datagram_received", { "byte_length": 1252}],
[40152, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1252, "packet_number": 16, "dcid": "4e6df466ced60e15" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[40152, 0, "transport", "spin_bit_updated", { "state": true }],
[40152, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 2 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 7, "acked_ranges": [[19, 19], [16, 16]]}, { 
    "frame_type": "ack_frequency", "sequence_number": 0, "packet_tolerance": 2, "max_ack_delay": 16000, "reordering_threshold": 0}, { 
    "frame_type": "handshake_done"}, { 
    "frame_type": "padding"}]}],
[40152, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 39751}],
[40152, 0, "transport", "datagram_sent", { "byte_length": 55}],
[87011, 0, "transport", "datagram_received", { "byte_length": 1332}],
[87011, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 20, "dcid": "4e6df466ced60e15" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[88100, 0, "transport", "spin_bit_updated", { "state": false }],
[88100, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 3 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[19, 20], [16, 16]]}, { 
    "frame_type": "padding"}]}],
[88100, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 39751}],
[88100, 0, "transport", "datagram_sent", { "byte_length": 55}],
[103396, 0, "transport", "datagram_received", { "byte_length": 38}],
[103396, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 38, "packet_number": 21, "dcid": "4e6df466ced60e15", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 64, "acked_ranges": [[2, 2]], "ect0": 3, "ect1": 0, "ce": 0}]}],
[103396, 0, "recovery", "metrics_updated", {"cwnd": 18708,"bytes_in_flight": 55,"smoothed_rtt": 41437,"latest_rtt": 53244}],
[121941, 0, "transport", "datagram_received", { "byte_length": 1412}],
[121941, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1412, "packet_number": 22, "dcid": "4e6df466ced60e15" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[121955, 0, "transport", "spin_bit_updated", { "state": true }],
[121955, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 4, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 1, "acked_ranges": [[20, 22]]}, { 
    "frame_type": "padding"}]}],
[121955, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 41437}],
[121955, 0, "transport", "datagram_sent", { "byte_length": 55}],
[155724, 0, "transport", "datagram_received", { "byte_length": 1440}],
[155724, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 23, "dcid": "4e6df466ced60e15" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[156802, 0, "transport", "spin_bit_updated", { "state": false }],
[156802, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 5 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 134, "acked_ranges": [[20, 23]]}, { 
    "frame_type": "padding"}]}],
[156802, 0, "recovery", "metrics_updated", {"bytes_in_flight": 165,"smoothed_rtt": 41437}],
[156802, 0, "transport", "datagram_sent", { "byte_length": 55}],
[242953, 0, "transport", "datagram_received", { "byte_length": 1440}],
[242953, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 24, "dcid": "4e6df466ced60e15", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 204, "acked_ranges": [[3, 5]], "ect0": 6, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[242953, 0, "recovery", "metrics_updated", {"cwnd": 18825,"bytes_in_flight": 0,"smoothed_rtt": 45776,"latest_rtt": 76151}],
[244100, 0, "transport", "spin_bit_updated", { "state": true }],
[244100, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 6, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 143, "acked_ranges": [[23, 24]]}, { 
    "frame_type": "padding"}]}],
[244100, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 45776}],
[244100, 0, "transport", "datagram_sent", { "byte_length": 55}],
[338932, 0, "transport", "datagram_received", { "byte_length": 1440}],
[338932, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 25, "dcid": "4e6df466ced60e15" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 237, "acked_ranges": [[6, 6]], "ect0": 7, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[338932, 0, "recovery", "metrics_updated", {"cwnd": 18864,"bytes_in_flight": 0,"smoothed_rtt": 50658,"latest_rtt": 84832}],
[340020, 0, "transport", "spin_bit_updated", { "state": false }],
[340020, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 7 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[24, 25]]}, { 
    "frame_type": "padding"}]}],
[340020, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 50658}],
[340020, 0, "transport", "datagram_sent", { "byte_length": 55}],
[425233, 0, "transport", "datagram_received", { "byte_length": 1440}],
[425233, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 26, "dcid": "4e6df466ced60e15", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 200, "acked_ranges": [[7, 7]], "ect0": 8, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[425233, 0, "recovery", "metrics_updated", {"cwnd": 18903,"bytes_in_flight": 0,"smoothed_rtt": 53727,"latest_rtt": 75213}],
[426374, 0, "transport", "spin_bit_updated", { "state": true }],
[426374, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 8, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 142, "acked_ranges": [[25, 26]]}, { 
    "frame_type": "padding"}]}],
[426374, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 53727}],
[426374, 0, "transport", "datagram_sent", { "byte_length": 55}],
[513764, 0, "transport", "datagram_received", { "byte_length": 1440}],
[513764, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 27, "dcid": "4e6df466ced60e15" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 208, "acked_ranges": [[8, 8]], "ect0": 9, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[513764, 0, "recovery", "metrics_updated", {"cwnd": 18942,"bytes_in_flight": 0,"smoothed_rtt": 56684,"latest_rtt": 77390}],
[514867, 0, "transport", "spin_bit_updated", { "state": false }],
[514867, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 9 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[26, 27]]}, { 
    "frame_type": "padding"}]}],
[514867, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 56684}],
[514867, 0, "transport", "datagram_sent", { "byte_length": 55}],
[609080, 0, "transport", "datagram_received", { "byte_length": 1440}],
[609080, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 28, "dcid": "4e6df466ced60e15", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 235, "acked_ranges": [[9, 9]], "ect0": 10, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[609080, 0, "recovery", "metrics_updated", {"cwnd": 18981,"bytes_in_flight": 0,"smoothed_rtt": 60125,"latest_rtt": 84213}],
[610279, 0, "transport", "spin_bit_updated", { "state": true }],
[610279, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 10, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 149, "acked_ranges": [[27, 28]]}, { 
    "frame_type": "padding"}]}],
[610279, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 60125}],
[610279, 0, "transport", "datagram_sent", { "byte_length": 55}],
[694154, 0, "transport", "datagram_received", { "byte_length": 1440}],
[694154, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 29, "dcid": "4e6df466ced60e15" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 195, "acked_ranges": [[10, 10]], "ect0": 11, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[694154, 0, "recovery", "metrics_updated", {"cwnd": 19020,"bytes_in_flight": 0,"smoothed_rtt": 61843,"latest_rtt": 73875}],
[695255, 0, "transport", "spin_bit_updated", { "state": false }],
[695255, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 11 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[28, 29]]}, { 
    "frame_type": "padding"}]}],
[695255, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 61843}],
[695255, 0, "transport", "datagram_sent", { "byte_length": 55}],
[783037, 0, "transport", "datagram_received", { "byte_length": 1440}],
[783037, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 30, "dcid": "4e6df466ced60e15", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 210, "acked_ranges": [[11, 11]], "ect0": 12, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[783037, 0, "recovery", "metrics_updated", {"cwnd": 19059,"bytes_in_flight": 0,"smoothed_rtt": 63835,"latest_rtt": 77782}],
[784203, 0, "transport", "spin_bit_updated", { "state": true }],
[784203, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 12, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 145, "acked_ranges": [[29, 30]]}, { 
    "frame_type": "padding"}]}],
[784203, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 63835}],
[784203, 0, "transport", "datagram_sent", { "byte_length": 55}],
[878178, 0, "transport", "datagram_received", { "byte_length": 1440}],
[878178, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 31, "dcid": "4e6df466ced60e15" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 235, "acked_ranges": [[12, 12]], "ect0": 13, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[878178, 0, "recovery", "metrics_updated", {"cwnd": 19098,"bytes_in_flight": 0,"smoothed_rtt": 66352,"latest_rtt": 83975}],
[879279, 0, "transport", "spin_bit_updated", { "state": false }],
[879279, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 13 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[30, 31]]}, { 
    "frame_type": "padding"}]}],
[879279, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 66352}],
[879279, 0, "transport", "datagram_sent", { "byte_length": 55}],
[965446, 0, "transport", "datagram_received", { "byte_length": 1440}],
[965446, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 32, "dcid": "4e6df466ced60e15", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 204, "acked_ranges": [[13, 13]], "ect0": 14, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[965446, 0, "recovery", "metrics_updated", {"cwnd": 19137,"bytes_in_flight": 0,"smoothed_rtt": 67578,"latest_rtt": 76167}],
[966598, 0, "transport", "spin_bit_updated", { "state": true }],
[966598, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 14, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 144, "acked_ranges": [[31, 32]]}, { 
    "frame_type": "padding"}]}],
[966598, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 67578}],
[966598, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1052656, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1052656, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 33, "dcid": "4e6df466ced60e15" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 204, "acked_ranges": [[14, 14]], "ect0": 15, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1052656, 0, "recovery", "metrics_updated", {"cwnd": 19176,"bytes_in_flight": 0,"smoothed_rtt": 68638,"latest_rtt": 76058}],
[1053768, 0, "transport", "spin_bit_updated", { "state": false }],
[1053768, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 15 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 139, "acked_ranges": [[32, 33]]}, { 
    "frame_type": "padding"}]}],
[1053768, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 68638}],
[1053768, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1140301, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1140301, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 34, "dcid": "4e6df466ced60e15", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 205, "acked_ranges": [[15, 15]], "ect0": 16, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1140301, 0, "recovery", "metrics_updated", {"cwnd": 19215,"bytes_in_flight": 0,"smoothed_rtt": 69624,"latest_rtt": 76533}],
[1141492, 0, "transport", "spin_bit_updated", { "state": true }],
[1141492, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 16, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 148, "acked_ranges": [[33, 34]]}, { 
    "frame_type": "padding"}]}],
[1141492, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 69624}],
[1141492, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1226151, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1226151, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 35, "dcid": "4e6df466ced60e15" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 198, "acked_ranges": [[16, 16]], "ect0": 17, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1226151, 0, "recovery", "metrics_updated", {"cwnd": 19254,"bytes_in_flight": 0,"smoothed_rtt": 70253,"latest_rtt": 74659}],
[1227280, 0, "transport", "spin_bit_updated", { "state": false }],
[1227280, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 17 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 141, "acked_ranges": [[34, 35]]}, { 
    "frame_type": "padding"}]}],
[1227280, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 70253}],
[1227280, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1313054, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1313054, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 36, "dcid": "4e6df466ced60e15", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 202, "acked_ranges": [[17, 17]], "ect0": 18, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1313054, 0, "recovery", "metrics_updated", {"cwnd": 19293,"bytes_in_flight": 0,"smoothed_rtt": 70943,"latest_rtt": 75774}],
[1314179, 0, "transport", "spin_bit_updated", { "state": true }],
[1314179, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 18, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 140, "acked_ranges": [[35, 36]]}, { 
    "frame_type": "padding"}]}],
[1314179, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 70943}],
[1314179, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1400303, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1400303, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 37, "dcid": "4e6df466ced60e15" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 204, "acked_ranges": [[18, 18]], "ect0": 19, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1400303, 0, "recovery", "metrics_updated", {"cwnd": 19332,"bytes_in_flight": 0,"smoothed_rtt": 71590,"latest_rtt": 76124}],
[1401400, 0, "transport", "spin_bit_updated", { "state": false }],
[1401400, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 19 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[36, 37]]}, { 
    "frame_type": "padding"}]}],
[1401400, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 71590}],
[1401400, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1494272, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1494272, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 38, "dcid": "4e6df466ced60e15", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 231, "acked_ranges": [[19, 19]], "ect0": 20, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1494272, 0, "recovery", "metrics_updated", {"cwnd": 19371,"bytes_in_flight": 0,"smoothed_rtt": 73000,"latest_rtt": 82872}],
[1495409, 0, "transport", "spin_bit_updated", { "state": true }],
[1495409, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 20, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 142, "acked_ranges": [[37, 38]]}, { 
    "frame_type": "padding"}]}],
[1495409, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 73000}],
[1495409, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1588644, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1588644, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 39, "dcid": "4e6df466ced60e15" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 232, "acked_ranges": [[20, 20]], "ect0": 21, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1588644, 0, "recovery", "metrics_updated", {"cwnd": 19410,"bytes_in_flight": 0,"smoothed_rtt": 74279,"latest_rtt": 83235}],
[1589749, 0, "transport", "spin_bit_updated", { "state": false }],
[1589749, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 21 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 138, "acked_ranges": [[38, 39]]}, { 
    "frame_type": "padding"}]}],
[1589749, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 74279}],
[1589749, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1683911, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1683911, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 40, "dcid": "4e6df466ced60e15", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 234, "acked_ranges": [[21, 21]], "ect0": 22, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1683911, 0, "recovery", "metrics_updated", {"cwnd": 19449,"bytes_in_flight": 0,"smoothed_rtt": 75514,"latest_rtt": 84162}],
[1685023, 0, "transport", "spin_bit_updated", { "state": true }],
[1685023, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 22, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 139, "acked_ranges": [[39, 40]]}, { 
    "frame_type": "padding"}]}],
[1685023, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 75514}],
[1685023, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1772980, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1772980, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 41, "dcid": "4e6df466ced60e15" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 211, "acked_ranges": [[22, 22]], "ect0": 23, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1772980, 0, "recovery", "metrics_updated", {"cwnd": 19488,"bytes_in_flight": 0,"smoothed_rtt": 75819,"latest_rtt": 77957}],
[1774076, 0, "transport", "spin_bit_updated", { "state": false }],
[1774076, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 23 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[40, 41]]}, { 
    "frame_type": "padding"}]}],
[1774076, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 75819}],
[1774076, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1858079, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1858079, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 42, "dcid": "4e6df466ced60e15", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 196, "acked_ranges": [[23, 23]], "ect0": 24, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1858079, 0, "recovery", "metrics_updated", {"cwnd": 19527,"bytes_in_flight": 0,"smoothed_rtt": 75592,"latest_rtt": 74003}],
[1859635, 0, "transport", "spin_bit_updated", { "state": true }],
[1859635, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 24, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 194, "acked_ranges": [[41, 42]]}, { 
    "frame_type": "padding"}]}],
[1859635, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 75592}],
[1859635, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1944747, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1944747, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 43, "dcid": "4e6df466ced60e15" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 200, "acked_ranges": [[24, 24]], "ect0": 25, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1944747, 0, "recovery", "metrics_updated", {"cwnd": 19566,"bytes_in_flight": 0,"smoothed_rtt": 75532,"latest_rtt": 75112}],
[1945835, 0, "transport", "spin_bit_updated", { "state": false }],
[1945835, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 25 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[42, 43]]}, { 
    "frame_type": "padding"}]}],
[1945835, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 75532}],
[1945835, 0, "transport", "datagram_sent", { "byte_length": 55}],
[2032248, 0, "transport", "datagram_received", { "byte_length": 1440}],
[2032248, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 44, "dcid": "4e6df466ced60e15", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 205, "acked_ranges": [[25, 25]], "ect0": 26, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2032248, 0, "recovery", "metrics_updated", {"cwnd": 19605,"bytes_in_flight": 0,"smoothed_rtt": 75642,"latest_rtt": 76413}],
[2033356, 0, "transport", "spin_bit_updated", { "state": true }],
[2033356, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 26, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 138, "acked_ranges": [[43, 44]]}, { 
    "frame_type": "padding"}]}],
[2033356, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 75642}],
[2033356, 0, "transport", "datagram_sent", { "byte_length": 55}],
[2047930, 0, "transport", "datagram_received", { "byte_length": 32}],
[2047930, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 32, "packet_number": 45, "dcid": "4e6df466ced60e15" }, "frames": [{ 
    "frame_type": "connection_close", "error_space": "application", "error_code": 0}]}],
[2047941, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=6\u000a"}],
[2047949, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 7, "packet_number": 27 }, "frames": [{ 
    "frame_type": "connection_close", "error_space": "transport", "error_code": 0}]}],
[2047949, 0, "transport", "datagram_sent", { "byte_length": 23}],
[2047973, 0, "info", "message", { "message": "Closed. Retrans= 0, spurious= 0, max sp gap = 0, max sp delay = 0, dg-coal: 1.035714"}]]}]}