{ "qlog_version": "draft-00", "title": "picoquic", "traces": [
{ "vantage_point": { "name": "backend-67", "type": "server" },
"title": "picoquic", "description": "eb55d8bfef94ca73","event_fields": ["relative_time", "path_id", "category", "event", "data"],
"configuration": {"time_units": "us"},
"common_fields": { "protocol_type": "QUIC_HTTP3", "reference_time": "1110534682595"},
"events": [
[0, 0, "transport", "datagram_received", { "byte_length": 1220, "addr_from" : {"ip_v4": "20.83.38.51", "port_v4":19905}, "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": 185, "version": "00000001", "payload_length": 1182, "dcid": "eb55d8bfef94ca73" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 551}]}],
[171, 0, "transport", "parameters_set", {
    "owner": "remote",
    "sni": "test.privateoctopus.com",
    "proposed_alpn": ["hq-interop", "hq-29"],
    "alpn": "hq-interop"}],
[191, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 87, "packet_number": 93473, "payload_length": 65, "scid": "24001c9faea601b6" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 23, "acked_ranges": [[185, 185]]}, { 
    "frame_type": "crypto", "offset": 0, "length": 56}]}],
[191, 0, "transport", "datagram_sent", { "byte_length": 1252}],
[25229, 0, "transport", "datagram_received", { "byte_length": 1220}],
[25229, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 1220, "packet_number": 186, "payload_length": 1182, "dcid": "24001c9faea601b6" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 2, "acked_ranges": [[93473, 93473]], "ect0": 1, "ect1": 0, "ce": 0}, { 
    "frame_type": "crypto", "offset": 551, "length": 519}]}],
[25254, 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}],
[25265, 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": "24001c9faea601b6",
    "original_connection_id": "eb55d8bfef94ca73",
    "stateless_reset_token": "6f04b925d85f73bc682c851e3fb40fae",
    "max_datagram_frame_size" : 1536,
    "min_ack_delay" : 1000,
    "address_discovery" : 0,
    "reset_stream_at" : "invalid"}],
[25578, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 155, "packet_number": 93474, "payload_length": 133, "scid": "24001c9faea601b6" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 43, "acked_ranges": [[185, 186]]}, { 
    "frame_type": "crypto", "offset": 56, "length": 123}]}],
[25578, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 1065, "packet_number": 0, "payload_length": 1044, "scid": "24001c9faea601b6" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 1040}]}],
[25578, 0, "transport", "datagram_sent", { "byte_length": 1252}],
[25591, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=9\u000a"}],
[25578, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 211, "packet_number": 1, "payload_length": 190, "scid": "24001c9faea601b6" }, "frames": [{ 
    "frame_type": "crypto", "offset": 1040, "length": 185}]}],
[25578, 0, "transport", "datagram_sent", { "byte_length": 227}],
[26912, 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": "5f97f35c82d72d9cfb8c3e2443bbda4e02df98d519e476a8d69ad87d00194bb8ccbd3b890d10fd65f601283b355181a21aad"}, { 
    "frame_type": "new_connection_id", "sequence_number": 1, "retire_before": 0, "connection_id": "09f1ae167e159355", "reset_token": "1449c3f4ad63d7600433b70232989bb0"}, { 
    "frame_type": "new_connection_id", "sequence_number": 2, "retire_before": 0, "connection_id": "e63b15a87db3b272", "reset_token": "5ce198ce1a5a1167b803e316cebb6746"}, { 
    "frame_type": "new_connection_id", "sequence_number": 3, "retire_before": 0, "connection_id": "4a41cf8c01a8067d", "reset_token": "726eb84a3efc7454eade447124df8b1a"}, { 
    "frame_type": "padding"}]}],
[26912, 0, "recovery", "metrics_updated", {"cwnd": 15447,"pacing_rate": 1361424,"bytes_in_flight": 1918,"smoothed_rtt": 25038,"min_rtt": 25038,"latest_rtt": 25038}],
[26912, 0, "transport", "datagram_sent", { "byte_length": 439}],
[30051, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[30051, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3390,"smoothed_rtt": 25038}],
[30051, 0, "transport", "datagram_sent", { "byte_length": 1472}],
[51100, 0, "transport", "datagram_received", { "byte_length": 1220}],
[51100, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 49, "packet_number": 187, "payload_length": 11, "dcid": "24001c9faea601b6" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 4, "acked_ranges": [[93474, 93474]], "ect0": 2, "ect1": 0, "ce": 0}]}],
[51100, 0, "transport", "packet_received", { "packet_type": "handshake", "header": { "packet_size": 1171, "packet_number": 188, "payload_length": 1134, "dcid": "24001c9faea601b6" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 2, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "crypto", "offset": 0, "length": 52}, { 
    "frame_type": "padding"}]}],
[51189, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=10\u000a"}],
[51197, 0, "transport", "datagram_received", { "byte_length": 1252}],
[51197, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1252, "packet_number": 189, "dcid": "24001c9faea601b6", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "stream", "id": 0, "offset": 0, "length": 7, "fin": true , "begins_with": "474554202f0d0a"}, { 
    "frame_type": "padding"}]}],
[51205, 0, "info", "message", { "message": "Server CB, Stream: 0, 7 bytes, fin=1\u000a"}],
[51208, 0, "info", "message", { "message": "Server CB, Stream: 0, Processing command: GET /\u000a"}],
[51197, 0, "recovery", "metrics_updated", {"cwnd": 16878,"bytes_in_flight": 1911,"smoothed_rtt": 25151,"latest_rtt": 25522,"app_limited": 1}],
[51220, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 423, "packet_number": 2 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 2, "acked_ranges": [[189, 189]]}, { 
    "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"}]}],
[51220, 0, "recovery", "metrics_updated", {"bytes_in_flight": 2350,"smoothed_rtt": 25151}],
[51220, 0, "transport", "datagram_sent", { "byte_length": 439}],
[54205, 0, "transport", "datagram_received", { "byte_length": 37}],
[54205, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 37, "packet_number": 190, "dcid": "24001c9faea601b6" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}]}],
[54205, 0, "recovery", "metrics_updated", {"cwnd": 18757,"pacing_rate": 2431550,"bytes_in_flight": 439,"smoothed_rtt": 25026,"min_rtt": 24154,"latest_rtt": 24154}],
[75392, 0, "transport", "datagram_received", { "byte_length": 1332}],
[75392, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 191, "dcid": "24001c9faea601b6" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[75418, 0, "transport", "spin_bit_updated", { "state": true }],
[75418, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 3 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 3, "acked_ranges": [[189, 191]]}, { 
    "frame_type": "padding"}]}],
[75418, 0, "recovery", "metrics_updated", {"bytes_in_flight": 494,"smoothed_rtt": 25026}],
[75418, 0, "transport", "datagram_sent", { "byte_length": 55}],
[75482, 0, "transport", "datagram_received", { "byte_length": 40}],
[75482, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 40, "packet_number": 192, "dcid": "24001c9faea601b6" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[0, 2]], "ect0": 3, "ect1": 0, "ce": 0}, { 
    "frame_type": "connection_close", "error_space": "application", "error_code": 0}]}],
[75502, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=27\u000a"}],
[75507, 0, "info", "message", { "message": "Server CB, Stream: 0, unexpected event\u000a"}],
[75509, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=6\u000a"}],
[75482, 0, "recovery", "metrics_updated", {"cwnd": 19180,"bytes_in_flight": 55,"smoothed_rtt": 24930,"latest_rtt": 24262}],
[75516, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 6, "packet_number": 4 }, "frames": [{ 
    "frame_type": "connection_close", "error_space": "transport", "error_code": 0}]}],
[75516, 0, "transport", "datagram_sent", { "byte_length": 22}],
[99598, 0, "transport", "datagram_received", { "byte_length": 40}],
[99598, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 40, "packet_number": 193, "dcid": "24001c9faea601b6" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[2, 3]], "ect0": 4, "ect1": 0, "ce": 0}, { 
    "frame_type": "connection_close", "error_space": "application", "error_code": 0}]}],
[289048, 0, "info", "message", { "message": "Closed. Retrans= 0, spurious= 0, max sp gap = 0, max sp delay = 0, dg-coal: 1.142857"}]]}]}
