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System-level fault identification is a key subject for maintaining the reliability of a multiprocessor interconnected system. As a popular network topology, meshes have various applications to real multiprocessor systems. In this paper, a system contains only restricted-faults if every of its fault-free units has at least one fault-free neighbor. Then this paper aims to study the method for identifying...
In communication networks, cognitive network (CN) is a new type of data network to solve some problems current networks are faced with. In this paper, we propose a Cognitive RBAC scheme which can be applied to Small Heterogeneous Networks (SHNs). Therefore, we present a Cognitive RBAC model by extending the well-known RBAC model. Our model increases the related definitions for the Cognitive RBAC model,...
A Petri Net is a mathematical modeling language for the description of distributed systems. A Petri net is a directed bipartite graph, in which the elements consist of place, transition, and arc. A Petri Net offers a kind of graphical notation for stepwise processes which include choice, iteration, and concurrent execution. However, when the system is getting large, the complexity of Petri Nets will...
To securely access data center supporting the constraint of temporal and location-based services, access-control system requires more flexible definitions applying to Wireless Heterogeneous Networks (WHNs). To cope with the WHNs environment, we propose an Associated Temporal and Spatial Role-based Access Control (ATSRBAC) model. In this model, both temporal-period and spatial-location based entities...
Diagnosis is an essential subject for the reliability of a network system. Under the PMC diagnosis model, Dahbura and Masson (1984) proposed a polynomial-time algorithm with time complexity O(N2.5) to identify all the faulty nodes in an N-node network. In this paper we present a novel method to diagnose a wireless sensor network by applying the concept behind the local diagnosability, first introduced...
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