On 12/9/19 8:50 PM, Paul Rubin wrote: > Tim Daneliuk <i...@tundraware.com> writes: >> - Imagine an environment in which there may be multiple instances of a given >> microservice written in Python. > > Decide the maximum number of microservice instances, say 1000. Chop up > the 10 digit range into 1000 pieces, so 0..999999, 1000000-1999999, etc. > Give one range to each microservice instance. Then have the > microservices give out the numbers sequentially, but treating them as 10 > digit numbers and encrypting each one under a 10 digit pseudorandom > permutation shared by all the instances. Look up "format preserving > encryption" for how to do this. > > Obvious variants of the above are obvious, and maybe you need some way > to hand around chunks of range if some instance gives out more than a > million numbers. >
The problem here is that the services are ephemeral and the number of said services is not fixed. -- https://mail.python.org/mailman/listinfo/python-list