In many distributed real-time systems, certain critical data need to be replicated to achieve fault-tolerance and improved performance. Schedulers for such distributed real-time systems must satisfy timing constraints of transactions and preserve data consistency. In this paper we presents a replication control algorithm, which integrates real-time scheduling and replication control to achieve the desired level of fault-tolerance. The algorithm adopts a majority consensus scheme for replication control and employs epsilon-serializability, a correctness criterion which is less stringent than conventional one-copy serializability. The performance of the algorithm is compared with that of a real-time token-based algorithm.
Replication control for fault-tolerance in distributed real-time database systems
1998 IEEE Aerospace Conference Proceedings (Cat. No.98TH8339) ; 4 ; 73-81 vol.4
1998-01-01
1020757 byte
Conference paper
Electronic Resource
English
Replication Control for Fault-Tolerance in Distributed Real-Time Database Systems
British Library Conference Proceedings | 1998
|Software replication and fault-tolerance
British Library Conference Proceedings | 1993
|Software fault tolerance for real-time avionics systems
NTRS | 1983
|Improving the reliability of real time control systems through fault tolerance
Automotive engineering | 1989
|