A timer may elapse for a tree.Logical formLearned from2 sentences. A (custody transfer timer) may be destroyed.Logical formLearned from2 sentences. A (bundle protocol agent) may set a (custody transfer countdown timer).Logical formLearned from2 sentences. A length of timer can be seconds.Logical formLearned from2 sentences. Persons may recommend a (backoff timer).Logical formLearned from2 sentences. A (backoff timer) can be binary.Logical formLearned from2 sentences. A (backoff timer) can be for retransmissions.Logical formLearned from2 sentences. A receiver may set a timer.Logical formLearned from2 sentences. A (cleanup timer interval) may pass.Logical formLearned from2 sentences. (State changes) can be due to setting of (timer values).Logical formLearned from2 sentences. Information can be about a (timer value).Logical formLearned from2 sentences. A timer can be backed-off.Logical formLearned from2 sentences. A timer may be negotiated by a (protocol loss) of synchronisation.Logical formLearned from2 sentences. (Transmission timer values) may be adjusted.Logical formLearned from2 sentences. (Timer values) can be simple.Logical formLearned from2 sentences.