Back to results
US 6,662,202 B1Granted
Data management system of a real-time system
AssigneeSiemens Aktiengesellschaft
InventorsStefan Krusche, Dirk Lukas, Stefan Lang, Jürgen Lantermann
Life of this patent
Estimating the term…
Abstract
Data management systems of real-time systems are intended to provide user systems with rapid and consistent on-line management of various data generations. This is achieved by an access data structure which allows a generations management system (GMS) to carry out the management of various data generations on the basis of the same data objects already used on a previous occasion by a transaction management system (TMS) for carrying out transactions.
Claims7
A data management system of a real-time system, comprising:
- a) a transaction management system, which controls transactions between users and the data management system, a transaction being a sequence of accesses to logically interdependent data;
- b) an access data structure, which during a single transaction is inserted by the transaction management system into an access path of a data object to be modified, the access data structure inserted during said single transaction having a separating filter with both a first output to an old image of the data object and a second output to a new image of the data object;
- and
- c) a generations management system, which manages generation of new data which is produced during a transaction, after an ending of the transaction based on the access data structures inserted by the transaction management system.
1 more element
Dependencies are inferred from the claim text.