3 ms·
> 128 bits is an absurd amount for a unique ID within a single system. Even 48 bits is very, very large -- enough to provide a unique ID (MAC address) to every
by marginalia_nu 3y ago
> 128 bits is an absurd amount for a unique ID within a single system. Even 48 bits is very, very large -- enough to provide a unique ID (MAC address) to every Ethernet device made for something like 100 years.
What you want is that the number of possible items to enumerate is significantly less than the square root of the cardinality of the ID range, means you can relatively safely randomly generate IDs with few collissions.