Research Article
The Application of Baum-Welch Algorithm in Multistep Attack
Table 2
The state transition matrix of DDoS_HMM.
| ā | State1 | State2 | State3 | State4 | State5 |
| State1 | 0.000 | 1.000 | 0.000 | 0.000 | 0.000 | State2 | 0.000 | 0.177 | 0.823 | 0.000 | 0.000 | State3 | 0.000 | 0.228 | 0.688 | 0.028 | 0.056 | State4 | 0.000 | 0.000 | 0.000 | 0.750 | 0.250 | State5 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
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