In this paper, we introduce the concept of a structured peer-to-peer grid and present our contribution to this new world by means of DERMI, a wide-area decentralized object middleware. In addition, we focus on the design and implementation of a load balancing facility by using the functionalities provided by this middleware. We present two different approaches to achieve load balancing in our system: a completely decentralized solution by using the anycall abstraction, and a distributed interceptor-based one. Each of them can be used in a wide variety of scenarios, depending on our needs.
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