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#Transmission

Conn ID

date
year/month/day

start
hour/minute/second, the time when a connection is established.

end
hour/minute/second, the time when a connection is closed.

local
DIP:DPORT, ip and port of the server.

remote
SIP:SPORT, ip and port of the client.

id
ISN of the server.

Basic

data
The amount of data sent out by a connection, the unit is Byte.

time
Lifetime of a connection, the unit is millisecond.

packet
The number of packets sent out by a connection.

synack_rtx
The times SYNACK is retransmitted.

accept_wait
Time elapsed between a connection being established and being accepted. The unit is ms.

Exception

small_swnd
How many times when the send window of server is less than MSS.

zero_awnd
How many times when the advertise window of client is zero.

rst_flag
A packet with RST flag set is sent or received by the connection.

from_state
The state of a connection before monitoring is finishing.

to_state
The state of a connection after monitoring is finished.

Cwnd / SSthresh

init_cwnd
Initial congestion window size, the unit is MSS.

end_cwnd
Final congestion window size, the unit is MSS.

init_ssthr
Initial slow start threshold, the unit is MSS.

end_ssthr
Final slow start threshold, the unit is MSS.

RTT / RTO

rtt_avg
Average RTT of a connection, the unit is ms.

rtt_min
Minimal RTT of a connection, the unit is ms.

rtt_max
Maximal RTT of a connection, the unit is ms.

rtt_cnt
The number of RTT samples.

rto_avg
Average RTO of a connection, the unit is ms.

rto_min
Minimal RTO of a connection, the unit is ms.

rto_max
Maximal RTO of a connection, the unit is ms.

rto_cnt
The number of RTO samples.