Hybrid Logical Clock [1] could be of interest for readers. This is a monotonically increasing clock based on a physical clock. Combined with a machine identifi

Hybrid Logical Clock [1] could be of interest for readers. This is a monotonically increasing clock based on a physical clock. Combined with a machine identifier you can obtain globally unique identifiers that are totally ordered. [1] https://cse.buffalo.edu/~demirbas/publications/hlc.pdf https://cse.buffalo.edu/~demirbas/publications/hlc.pdf