1. A method for retrieving a status of a logical system in a system landscape comprising a central control system and a plurality of the logical systems interconnected by logical paths, the method including: receiving, via a transport request into an import buffer of the logical system, a software service to add to or modify existing functionality of the logical system, the transport request including a software service identifier, information descriptive of a type of the software service, and program code of the software service; effecting the program code of the software service within the logical system; in a data supplier of the logical system; detecting the received transport request, accessing data of the transport request including at least the software service identifier and the information descriptive of the type of the software service effected within the logical system, collecting, into a predefined format, the accessed data and further information including information about the status of the effected program code of the software service within the logical system, and supplying the collected data in the predefined format to a data collector of the central control system; receiving, by the data collector of the-central control system, the collected data in the predefined format; updating data maintained by the data collector based on the collected data received in the predefined format, the updating including execution of a tracking service in the central control system for tracking the transport request and analyzing the information about the status of the logical system.