Abstract
AbstractLarge scale Grid computing systems are often organized as an inter-Grid architecture, where multiple Grid domains are interconnected through their local broker. In this context, the main challenge is to devise appropriate job scheduling policies that can satisfy goals such as global load balancing together with maintaining the local policies of the different Grids. This paper presents InterGridSim, a simulator for scalable resource discovery and job scheduling technique in broker based interconnected Grid domains. Inter-Grid scheduling decisions are handled jointly by brokers in a broker overlay network. A Broker periodically exchanges its local domain’s resource information with its neighboring brokers. InterGridSim offers several network structures and workload allocation techniques for Tier-1 and Tier-0 networks and large workload capacity. The paper presents sample simulations for throughput, utilisation, and load balancing in a network of 512 brokers and 50k nodes.
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