Site
System Administration
Networking
Miscellaneous
Site
System Administration
Networking
Miscellaneous
* probability of collision in a year function of the number of items created per second http://www.wolframalpha.com/input/?i=plot+(1+-+exp(+(x*365+*+24+*+60)+**2+%2F+(2+-+2**64+)+))+from+x+%3D+1+to+8000