Abstract

Today basically two types of grid systems are in use: service grids and desktop grids. Service grids offer an infrastructure for grid users, thus require notable management to keep the service running. On the other hand, desktop grids aim to utilize free CPU cycles of cheap desktop PCs, are easy to set up, but the availability towards users is limited compared to the service grid. The aim of the EDGeS project is to create an integrated infrastructure that combines the advantages of the two grid concepts. A building block of this infrastructure is bridging between the different grid types. In this paper, we first focus on bridging from BOINC-based desktop grids towards EGEE-like service grids, i.e., making desktop grids able to utilize free service grid resources. The solution is based on a generic grid to grid bridge, called as, 3G Bridge. In the second part of the paper we show how the 3G Bridge and EDGeS Bridge services can be used to realize the reverse direction interconnection of BOINC and EGEE grids, i.e., sending EGEE jobs in a user transparent way to BOINC systems that are connected to EGEE VOs. This is the first paper in which we publish the full two-directional bridging between BOINC and EGEE grids.

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