cssclasses:
tags:
- distributed-system
Key concepts
Synchronization
- EX: track suspicious car in a city -> cameras have a consistent view of the time
Physical clock synch
- "Timestamp"
- UTC is broadcasted via satellites
- Every PC have a timer based on quart technology (as watches ⌚) NOT SYNCHR TOGETHER
- Drift : upper bound of skew
- Drift + max drift permissible -> gives constraint on how often resynchronize the nodes
