Exploiting the Vulnerability of Flow Table Overflow in Software-Defined Network: Attack Model, Evaluation, and Defense

Table 1

Default timeout values.

Controller	Hard_timeout	Idle_timeout
Ryu	0	0
Beacon	0	5 s
Floodlight	0	5 s
NOX	0	5 s
POX	30 s	10 s
Trema	0	60 s
Maestro	180 s	30 s