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1·Assume that the maximum timer interval value any timer takes on does not exceed an upper limit (tmax).

假定所有计时器的最大计时时间间隔都不超过某个上限(tmax)。

2·Since the maximum value (tmax) for the AIX TCP RTO is 64 seconds, this is large enough to ensure that all retransmission timers in a slot expire at the same time and not in the subsequent cycles.

因为AIX TCP RTO的最大值(tmax)是64秒，所以这个值足够大，可以确保在一个槽位中所有的重新传输计时器同时计时到期，而不需要等到后继的周期。