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As communication and network technology has advanced into all areas of human life, large-scale failures of such infrastructures can have a drastic impact on its users, the economy and society in general. Significant attention has been paid to study and improve the dependability of such systems, intending to augment their resilience against challenges. This paper presents a computational approach for...
We proposed compressive data gathering (CDG) that leverages compressive sampling (CS) principle to efficiently reduce communication cost and prolong network lifetime for large scale monitoring sensor networks. The network capacity has been proven to increase proportionally to the sparsity of sensor readings. In this paper, we further address two key problems in the CDG framework. First, we investigate...
Today's Internet is facing many problems which did not take into account in its initial design, such as routing scalability, mobility and security. No matter evolutional or revolutionary solutions that are proposed in recent years, a recognized promising direction is to separate customer network from core network and separate identification from location. In this paper, we sketch out an architecture...
Underwater wireless sensor networks (UWSNs) are prone to message loss due to their poor link condition with high bit error rate (BER). Retransmission-based mechanisms such as ARQ can be used for the reliability, however, they are not suitable for UWSNs due to the inherent long propagation delay of UWSNs. Therefore, a forward error correction (FEC) mechanism might be an alternative in order to guarantee...
Precise information of MAC layer topology is important for both network management and network analysis. There are many topology discovery algorithms based on the address forwarding tables but they supposed that the network to discovery hasn't redundant links or these algorithms are not effective to discover redundant links. In this paper, we present algorithms based on address forwarding tables (AFT)...
We evaluated location-based methods for the auto-discovery of SRLGs, guided by the topology and design of AT&T's next generation transport network. The methods rely on location identifiers on active components. We found these techniques extremely effective in identifying SRLGs and associated link diversity relationships. SRLGs provide inputs necessary to plan for reliability in transport networks,...
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