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No system is perfect; as you continue to add 9s, the cost increases steeply.

Usually its just cheaper to be down for an hour or two, versus architect for the end of times.



> Usually its just cheaper to be down for an hour or two, versus architect for the end of times

The opposite of this philosophy was the motivation behind creation of the internet in the first place.


This seems precisely wrong. Some reading:

http://web.mit.edu/Saltzer/www/publications/endtoend/endtoen...

https://www.jwz.org/doc/worse-is-better.html

[thanks for the hint 'thinkpad20! I don't know what I was thinking.]


Just a note: if you don't indent your links they'll be made clickable by the markup engine, which is convenient in general and especially for those of us on smart phones. :)


I think he was referring to ARPANET being a military project whose goal was a system that could survive a nuclear attack or other such calamity.


It is not precisely wrong, and thanks for tricking me into opening an obscene picture at work, asshole.

The internet is designed to be highly fault tolerant, because it was based on an arpanet project to design a network that would NOT go down, even if there was damage to a significant percentage of nodes.


The "asshole" in this case is JWZ, [randomly?] switching on the Referer header. Apparently he has a hard-on for HN; he's not the only one, but I won't be linking to his site again. (Although, is that really "obscene"? It doesn't do anything for me?) Try this instead, since Stanford are unlikely to engage in such shenanigans:

https://web.stanford.edu/class/cs240/old/sp2014/readings/wor...

It's funny, my original comment had the links in plaintext so copying-and-pasting was required and Referer wasn't involved. I changed that on request. b^)


And yet, we have services who still don't waste the cost on having geographically disperse datacenters.




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