Isochronous

Happening at regular intervals; isochronal.

Happening at the same time; simultaneous.

Of or pertaining to the use of clocks derived from the same clock reference.

"Their entire national telephone network is isochronous, with a clock distribution tree radiating from a single, protected cesium reference clock."

Of or pertaining to data associated with time sensitive application.

"These packets belong to an isochronous voice application and need priority handling."