Isochronous

adjective

1. Happening at regular intervals; isochronal.
2. Happening at the same time; simultaneous.
3. 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."

4. Of or pertaining to data associated with time sensitive application.

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