I'm not sure the EFTPOS network is as robust as people believe. There was a time perhaps seven or eight years ago when 50% (or more) of all transactions in Australia went through a single data centre on the Pacific Hwy in North Sydney.
Kind regards, Jason > > Date: Mon, 22 Jun 2020 09:06:36 +0930 > From: John Edwards <jaedwa...@gmail.com> > To: Chris Hurley <ch...@dragonrail.com.au> > Cc: "<ausnog@lists.ausnog.net>" <ausnog@lists.ausnog.net> > Subject: Re: [AusNOG] EFPOST terminals down > Message-ID: > <CAOSsYkr=19bq+qnjsaduvuvductoyd0qg3z5plhvdhdclvo...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > Tips are low priority areas for mobile coverage. They are deliberately > built where no-one else is, such that they would account for the majority > of an expensive mobile sector. > > I imagine that most EFTPOS terminals are still 3G. If 3G failed, most of us > with a smartphone less than 5 years old wouldn't notice. > > So if there's a 3G network failure: > > - Terminals would usually migrate to another cell, there are probably > not multiple cells covering a tip > - There is still LTE coverage there, so no customers are screaming for > the failure to be fixed > - The network is aging so failure is common > - Parts are hard to get or expensive because its old > - Social Distancing is mutually exclusive to how teams of mobile network > riggers normally operate, so there's a backlog of faults > - Coverage of a tip with a handful of regular customers is low priority > for a fix, no manager is escalating this over other faults > - Some WFH people nearby are smashing the local 3G network with their > old USB 3G adapters that are now on an unlimited download plan > > In summary, it's probably not a cyberattack. > > John > > _______________________________________________ AusNOG mailing list AusNOG@lists.ausnog.net http://lists.ausnog.net/mailman/listinfo/ausnog