If I have a network outage lasting, for example, 1 minute, the PTO seems to grow to a similar size in that time due to exponential backoff so that when the outage clears it will still wait 1-2 minutes after the network recovers to resume communication. I think this is due to the code doing (1 << h.ptoCount) in sentPacketHandler's getPTOTimeAndSpace() and there being no limit to ptoCount.

Can there be a configured maximum backoff? Or am I looking in the wrong place? (Or is this precluded by the spec?)