3 ms·
> “If the GPS constellation fails, TrueTime fails (or gets really slow)". To deal with this threat model, spanner has atomic clocks in each data center, named
by vvern 5y ago
> “If the GPS constellation fails, TrueTime fails (or gets really slow)".
To deal with this threat model, spanner has atomic clocks in each data center, named “Armageddon time masters”, the most badass name of a component in any distributed system I know of.