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The aggregation of geographically distributed resources in the context of a particular application has been made possible thanks to the deployment of grid technologies. As grids are extremely distributed systems, requirements on the communication network should also be taken into account when performing usual tasks such as scheduling, migration or monitoring of jobs. Moreover, the interactions between different domains are a key issue in grid computing, thus their effects should be considered when performing the scheduling of tasks. In a previous contribution, we enhanced an existing framework that provides scheduling of jobs to computing resources to allow multi-domain scheduling based on peer-to-peer techniques. This paper provides a performance evaluation from the users' point of view, carried out by means of simulation, in which our framework is compared with existing approaches for inter-domain task scheduling. Results show that our proposal provides the best results in terms of scalability and job completion time.