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Spanning trees help removing cycles and establishing short paths between a given node and the rest of the nodes in a network. In ad hoc mobile computing networks, however, transient node failures occur due to being out of range or powered off. Therefore, we present a self-stabilized distributed algorithm based on homogeneous agents for constructing a random… (More)

GRID computing is a more and more attractive approach. Its aim is to gather and to share the resources of a network like the content , the storage or CPU cycles. A computational distributed system like SETI@home produces a power up to 70 TFlops whereas the current best parallel supercomputer BlueGene produces a power of 140 TFlops. Such a supercomputer… (More)

CONFIIT (Computation Over Network with Finite number of Independent and Irregular Tasks) is a purely decentralized peer-to-peer middle-ware for grid computing. This paper presents CONFIIT main features and how it deals with topology changes and communication faults. To illustrate CONFIIT operation, we demonstrate how the car-sequencing problem can be solved… (More)

The need of computation power increases, and GRID computing seems to be a good complement to expensive parallel computers. This paper deals with the evolution of CONFIIT (Computation Over Network with Finite number of Independent and Irregular Tasks): a purely decentralized peer to peer middleware for GRID computing. We specially focus on topology… (More)

Among all components of a grid or peer-to-peer application, the resources management is unavoidable. Indeed, new resources like computational power or storage capacity must be quickly and efficiently integrated. This management can be achieved either by a fully centralized way (BOINC) or by a hierarchical way (Globus, DIET). In the latter case, there is a… (More)