Combining scheduling and concurrency control of real-time transactions within the MOA architecture

Authors:
Leila Baccouche;Sami Limam
Affiliations:
RIADI Laboratory, National Institute of Applied Science and Technology, Tunis Cedex, Tunisia;RIADI Laboratory, National Institute of Applied Science and Technology, Tunis Cedex, Tunisia
Venue:
ICCOMP'06 Proceedings of the 10th WSEAS international conference on Computers
Year:
2006

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Abstract

This paper presents a multi-class scheduling algorithm for real-time transactions that combine scheduling and concurrency control. It is integrated to MOA, a multi-class overload architecture. The architecture consists of a real-time control layer which provides sophisticated admission control, scheduling and overload management. The proposed algorithm, DBP-CC, allows service differentiation and takes into account resource availability when extracting a transaction. There is no need to execute a concurrency control algorithm afterwards. Simulation results show that DBP-CC can achieve a significant performance even in overload situations.