Table 1: Conversation features.

Feature valueDescription of feature value

avg_durationThe average duration time of flows in a conversation
min_durationThe minimum duration time of flows in a conversation
max_durationThe maximum duration time of flows in a conversation
std_durationThe standard deviation of duration time of flows in a conversation
avg_f(b)interThe average interval of up (down) flows in a conversation
avg_f(b)pklThe average length of up and down flows in a conversation
min_f(b)pklThe minimum length of up (down) flows in a conversation
max_f(b)pklThe maximum length of up (down) flows in a conversation
std_avg_f(b)pklThe standard variation of the length of up (down) flows in a conversation
avg_f(b)pksThe average number of up (down) valid flows in a conversation
std_avg_f(b)pksThe standard variation of the number of up (down) valid flows in a conversation
avg_f(b)pkslThe average of transmission bytes of up (down) flows in a conversation
std_f(b)pkslThe standard variation of transmission bytes of up (down) flows in a conversation
min_spacketThe minimum of small packet in a conversation
max_spacketThe maximum of small packet in a conversation
avg_spacketThe average of small packet in a conversation
std_spacketThe standard variance of small packet in a conversation