Originally Posted by
SpringHeeledJack
Are these outages more likely now as cloud computing becomes more prevalent online, in that with various services grouped together the chances of a problem in one having more scope to affect the others ?
SHJ
The outages are more likely, but not for that reason (in fact that would have a negligible effect on the probability). Much more likely is the increasing popularity of the service brings more diverse means with which to connect, and more nefarious people trying to affect service. Both of which will have a negative impact on uptimes.
The #1 shout of a sysadmin is "if it weren't for users, my systems would be bulletproof".