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Well, you really have to figure out how much it would cost your site/service to be down for 2 days straight. Or maybe a week (PSN). Would this design pay for it
by larrik 16y ago
Well, you really have to figure out how much it would cost your site/service to be down for 2 days straight. Or maybe a week (PSN). Would this design pay for itself in preventing that loss?
- ludflu 16y ago...and then multiply that cost by the probability that this will happen to find the expected payoff. If the work costs substantially more than the payoff, don't bother. If substantially less, you're negligent if you don't do it. (The Learned Hand Rule http://aler.oxfordjournals.org/content/7/2/523.full http://aler.oxfordjournals.org/content/7/2/523.full)
- larrik 16y agoAnd 6 months ago, what WAS your perceived probability that an entire AWS location would be down for several days?