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David A. Burgess dburgess at jcis.netYou start seeing this with several thousand phones. On Jan 28, 2014, at 13:29, Ralph A. Schmid, dk5ras <ralph at schmid.xxx> wrote: >> It’s not normal operation. It is an emergency measure that takes effect with >> the network is in a hopeless congestion condition. And in my experience, >> this approach changes the recovery time from several hours to several >> minutes. > > About what numbers of phones are we talking here to reach a critical mass? > Usually a phone transmits two or three access bursts, then it waits for a while, > and I mean to remember some slotted aloha scheme, or similar. I hardly can > imagine that such a condition could last for_hours_, but of course the real > word sometimes offers bad surprises :) > > Ralph. > > >