[AusNOG] Telstra mobile down "nationwide"

[Bevan Slattery]

Oh dear.

[b]

> On 12 Feb 2016, at 6:49 PM, Tom Berryman <Tom at connectivityit.com.au> wrote:
> 
> Challenge accepted…?
>  
> From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Joshua D'Alton
> Sent: Friday, 12 February 2016 7:45 PM
> To: Narelle <narellec at gmail.com>
> Cc: ausnog at ausnog.net <ausnog at lists.ausnog.net>
> Subject: Re: [AusNOG] Telstra mobile down "nationwide"
>  
> Apparently this Sunday is free data day, 
>  
> As a small gesture to say sorry, we’re giving you — as a Telstra mobile 
> customer — free mobile data within Australia this Sunday. 
> 
> Whether you’re on a personal or business, pre-paid or post-paid mobile, tablet or mobile broadband plan, you will automatically receive free data, from ​midnight ​to ​midnight in your local Australian time zone ​Sunday ​14 ​February ​2016.                                                   
>  
> On Thu, Feb 11, 2016 at 4:20 PM, Narelle <narellec at gmail.com> wrote:
> 
> Then there's this one:
> http://www.itnews.com.au/news/telecom-nz-hands-out-cdma-phones-after-3g-network-failure-165889 
>  
> and this one:
> https://wirelesse2e.wordpress.com/2011/05/02/another-outage-more-lessons-geo-redundancy-couldnt-prevent-verizon-lte-service-disruption/
>  
> A lot of it has to do with the massive increase in signalling as each user terminal tries to re-register with the HLR/HSS (3G/4G respectively).
>  
> That's why when you bring them back on you have to do it gradually... it is a highly reliable system generally and 4G is definitely more so than 3G.
>  
>  
> Narelle
>  
>  
>  
> On Thu, Feb 11, 2016 at 1:00 PM, Roland Dobbins <rdobbins at arbor.net> wrote:
> On 11 Feb 2016, at 6:55, TWIG Solutions wrote:
> 
> Same thing occurred there, if and RNG failed, if the switch-over to the standby failed for some reason, the resulting registration storm caused the network to fall-over for 18 hours.
> 
> <http://users.csc.calpoly.edu/~jdalbey/SWE/Papers/att_collapse.html>
> 
> -----------------------------------
> Roland Dobbins <rdobbins at arbor.net>
> 
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> 
>  
> --
> 
> 
> Narelle
> narellec at gmail.com
> 
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