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Comment by scarface74 | Hacker News Reader

Route 53 I believe is the only service that AWS promises "100% uptime". So much for that....

The Twitter post says it's Google DNS having issues querying. Are you sure the issue is with AWS Route 53 and not some routing issue between Google and AWS?

Some people are just having dns issues getting there. It's like saying my house is still intact even if you lost your map to it. You loosing the map does not impact the question of if my house is still standing or not.

Is it actually possible for any system to have 100% uptime? Or do they just use that as a marketing gimmick and give out credit whenever there is downtime.

sure, why not? I mean, assuming there isn't some nuclear attack that destroys all networking infrastructure. I'm not suggesting it's easy, but if you distribute it enough and make it able to work when other portions of the system disappear i see no reason you couldn't claim 100% uptime

And then you you have a stupid software bug and the redundant physical systems are not helping.

Azure Storage is a available in a ton of locations and all of them stopped working because Microsoft forgot to roll out their patch to renew the SSL certificate. So they knew about the issue but rolling out the patch was not done.

Another example was when they introduced HTTP2 for CDN endpoints and forgot to test the cipher list with popular browsers and broke compatibility with Firefox ESR.

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