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▲ MBCook 3 hours ago

How is there not a second backup network???

▲sillysaurusx 3 hours ago | parent | next [-]

Cue that line from DS9 where O’Brien says he’d never be caught without a secondary backup during a fight, and the cardassian is like “you have a second backup?” incredulously. https://youtu.be/o7o9ZtipVyo?is=y3for_WXwISmuqpd

I wouldn’t say anything but this is approximately the only time in my entire life this scene will be relevant.

▲stevenhubertron 2 hours ago | parent [-]

I remember that scene, but I can’t believe that you had it at the front of your memory like that. That’s awesome.

▲dabinat 3 hours ago | parent | prev | next [-]

The more time I spend working in tech, the more I realize that everything important is held together with cardboard and duct tape.

▲bombcar 3 hours ago | parent [-]

You had duct tape? Lucky!

▲jiggawatts 3 hours ago | parent | prev [-]

Why only “one” network at all!?

The Internet was purpose designed to tolerate disruption as major as a nuclear war, which it achieves through decentralisation.

Private networks exist to make idiot managers feel more confident while actually dramatically reducing availability by putting all their eggs into a single basket.

▲80fj0348i 3 hours ago | parent | next [-]

Many aviation systems predate the internet. Depending on the region, some systems do not use Internet Protocol, let alone TCP.

▲jiggawatts 2 hours ago | parent [-]

The FAA Telecommunications Infrastructure (FTI) operated by L3harris was built between 2002 to 2007.

That is already well within the era of IPv6, let alone "the Internet".

There's no excuse.

▲MBCook an hour ago | parent [-]

For something so incredibly critical in real time, I’m not sure I would want to trust the Internet.

▲technol0gic an hour ago | parent [-]

thats like mandating using I-95 for all ambulance & firefighter traffic

▲ExoticPearTree an hour ago | parent | prev [-]

One network can be a fully redundant design with multiple geographically distinct links and so on.

But it does not make it 100% resilient to cascading failures or possible Layer2/3 loops that might happen during a software upgrade, especially in a country wide deployment.

The FAA will give a root cause at some point of why this happenned.