11.6. k-Crosstalk Attacks in the Network
In some cases, it is possible that attackers introduce more than one attack signal into a network simultaneously. Thus, we need to extend the one-OAF diagnosable condition into a k-OAF diagnosable network [18]. In this case, the status identification in Table 11.1 changes. In a one-OAF diagnosable network, if the status of one msc is A, then all connections not monitored by this msc can be automatically set to Ā. However, if there is more than one OAF in the network simultaneously, this conclusion is not true. Those connections not monitored by this msc can still be either OAF or IF. Table 11.3 shows the relations between a monitor-segment status and its monitoring connection’s status.
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