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With the recent focus on cloud computing a new type of system topology came up: clusters in geographically distributed datacenters that are connected by high-latency networks. Current structured overlay networks (SONs) are not well prepared for such environments with heterogeneous network performance and correlated node failures. We show how the beneficial features of SONs, namely self-management,...
The current work deals with the problem of resource management in P2P networks. The topological properties of the overlay network are critical factors that dominate the performance of P2P networks. The inverse Kautz digraph is a good topology to construct the overlay network. We discuss an efficient DHT-based overlay network (MREIK) with Byzantine fault tolerance. MREIK based on many rings which embeds...
Fault-tolerance in an interconnection network is very important for its continuous operation over a relatively long period of time. Fault-tolerance is the ability of the system to continue operating in the presence of faults. In this paper a new irregular network IABN has been proposed and an efficient routing procedure has been defined to study the fault tolerance of the network. The behavior of...
To solve the non-transitive connectivity (NTC) problem which existing widely in networks, this paper proposes a method to solve the NTC problem in overlay network by using uncertainty DHT to establish structured network. Through relieving the relationship between node ID of bottom layer and position of logical space, it will avoid the effect of NTC node to network structure, at the same time using...
In this paper a BISR architecture for embedded memories is presented. The proposed scheme utilises a multiple bank cache-like memory for repairs. Statistical analysis is used for minimisation of the total resources required to achieve a very high fault coverage. Simulation results show that the proposed BISR scheme is characterised by high efficiency and low area overhead, even for high defect densities...
This paper presents a distributed fermat-point range estimation strategy, which is important in the moving sensor localization applications. The fermat-point is defined as a point which minimizes the sum of distances from three sensors inside a triangle. This point is indeed at the trianglepsilas center of gravity. We solve the problems of large errors and poor performance in the bounding box algorithm...
Sink mobility has become an increasingly important requirement of various sensor network applications. Handling such mobile sink conditions brings new challenges to large-scale sensor networking. This investigation proposed a hybrid-structure routing protocol (HSRP) that combines the benefits of grid-based and cluster-based structures. Grid-based structure is designed to solve the cluster head selection...
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