QoS-based Grid Resource Reservation and Adjustment Mechanisms

With the continuous deepening of the network technology and application, there is strict requirements in quality of service (QoS) to the grid, how to reasonable allocation resources so that the maximum utilization of the resources becomes a press for solution based on users in meeting the requirements of QoS. In this paper to the dynamic, distributing and isomerism of grid resources a QoS-based dynamic grid resource allocation strategy is introduced, brings a grid-based resource reservation mechanisms forward, improved the reliability and accuracy of resources management. On this basis, dynamic adjust the QoS level of is very necessary,therefore,the adjustment mechanism of selective QoS is proposed. Simulation tests shows that this method can effectively ensure that the system QoS, and obtain the approximate optimal resources allocation scheme.