Research Article

From Unknown to Similar: Unknown Protocol Syntax Analysis for Network Flows in IoT

Table 7

Comparison of feature extraction of the OFS algorithm with different support degrees.

Support leveFeature string

0.611111111#10.6814
0100001010011001100#222.10802
00000000#258.6814
0100001010011001100#302.8627

0.70100001010011001100#222.10802
0100001010011001100#302.8627

0.80100001010011001100#222.10802
00001010011001100#304.10802