FIELD: physics, computer facilities.
SUBSTANCE: invention relates to non-rewritable data carrier including control data area for said control data to be written to control writing state and user data area for user data to be written in. User data area features a configuration that allows, at least, one write-in area. At least one session features aforesaid configuration for it to comprise at least of one write-in area. Control data incorporates the data on an interval and specifying the write interval for, at least, one write-in area and the identification data for the write-in session-boundary area identification.
EFFECT: reduced volume of control data.
25 cl, 25 dwg
