What Does Microsegmentation (Collision Domains) Mean?

Microsegmentation refers to the process of segmenting a collision domain into various segments. Microsegmentation is mainly used to enhance the efficiency or security of the network.

Techopedia Explains Microsegmentation (Collision Domains)

Collision domains are logical areas in computer networks where data packets can collide against each other. The two nodes present in every collision domain would generally be a switch and a computer. The overall number of segments shall be one less than the total number of nodes present.