Method for updating and method for checking an update of at least one data element in a data carousel, and an associated first device, second device, and data flow

A method for checking an updating of a data element in a data carousel, wherein the data carousel comprises a plurality of data elements combined in a plurality of groups, the method comprising:

• performing checking, on the basis of an activating element which is added to at least a group of said plurality of groups of said data carousel,
• wherein said added activating element is indicating either
• an updating time
• at which at least one of the data element in the group is updated, or
• a time interval for executing checks regarding the updating of the at least one data element of said group, and
• checking the data carousel for determining a time of updating,
• wherein said checking step is performed in a test time intervals, until a confirmation regarding the updating is received,
• wherein the test time interval allocated to checking is shorter than a preset time interval,
• wherein a time of a next checking is determined by adding the test time interval to the updating time,
• adding a status element for updating said at least one group of said plurality of groups of said data carousel,
• wherein said status element indicates at least one of a regular updating and an irregular updating of the at least one data element of said group,
• said irregular updating being the result of an unexpected change of the at least one of the data element, and
• evaluating said status element to determine if the status element indicates a regular updating or an irregular updating
• wherein if said updating is an irregular updating, a time updating for the determination of the next point of time for a subsequent updating by means of the time interval is not considered, and
• wherein if said updating is a regular updating a time of the actual updating is used for determining a time for a subsequent updating with the use of the activating element.