An Unknown Protocol Identification Method for Industrial Internet

Table 8

Statistical table of recognition rate of ASCII encoding protocol clustering results.

Group	Number of total packets	Number of unknown packets	Misidentification	Location packet clusters	Unknown protocol recognition rate
1	453	436	13	7	97.018%
2	523	491	26	6	94.705%
3	483	454	12	11	97.357%
4	498	471	28	9	94.055%
5	468	449	21	12	95.323%
6	493	466	37	14	92.060%
7	531	511	21	18	95.890%
8	440	414	13	13	96.860%
9	431	411	31	16	92.457%
10	514	484	20	12	95.868%
Mean	483.4	458.7	22.2	11.8	95.159%