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Resource location (or discovery) is a fundamental service for resource-sharing environments such as grids of Instruments. A general need is to have, given some desired resource attributes, an efficient service capable to return locations of matching resources. Different approaches have been explored to cope with this problem in diverse scenarios in which Instruments are deployed, especially considering those cases characterized by a huge number of sensors/probes involving a highly dynamic change in their distribution and inter-connections.

A peer to peer approach has been proposed to cover the aforementioned aspects and needs. In the next sections concrete motivations are outlined in order to justify the efforts in the related implementation about of such p2p approach for a Grid of Instruments. Moreover the overall design is presented for this novel discovery implementation and the introduction of the concept …