(Message exchanges) can be periodic.Logical formLearned from2 sentences. A (stabilization routine) can be periodic.Logical formLearned from2 sentences. (Address tests) can be periodic.Logical formLearned from2 sentences. A (selection process) may follow a periodic function.Logical formLearned from2 sentences. A (control traffic) can be periodic.Logical formLearned from2 sentences. (Route exchanges) can be periodic.Logical formLearned from2 sentences. (Route reports) can be periodic.Logical formLearned from2 sentences. A (probe message) can be periodic.Logical formLearned from2 sentences. Keep-alives can be periodic.Logical formLearned from2 sentences. (Router advertisements) can be periodic.Logical formLearned from2 sentences. A (connection request) can be periodic.Logical formLearned from2 sentences. (Feedback messages) can be periodic.Logical formLearned from2 sentences. A recalculation can be periodic.Logical formLearned from2 sentences. (Packet losses) can be periodic.Logical formLearned from2 sentences. (Line features) can be periodic.Logical formLearned from2 sentences.