Rule: Loads will always see the most recent Store made by any machine

Under strict consistency rules:

The instant any process performs write(var, 1); all the other processes must see read(var) = 1.

Suppose the time diff between the write and read is infinitely small $\epsilon$. This implies that the updates must propagate to all the processes faster than the speed of light.

Thus, Strict consistency is not realistic for distributed systems.