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Cross-layer design with respect to reference layered architecture is the design of algorithms, protocols and architectures that utilize an available set of interlayer exchanges a superset of the standard interfaces provided by the reference layered architecture. The cross layer approach transports feedback, dynamically via the layer margins to enable the remuneration for e.g. load, latency or other...
Based on the analysis of cascading behaviors for inter-domain routing system, a cascading failure model for inter-domain routing system is proposed. Model introduced a new metric named IRS between ness to define node's initial load. To simulate the fact of system, node's restart delay and BGP update lifetime are introduced. Finally, experiments are carried out on the basis of data collected publicly...
Packet loss occurs when one or more packets across various computer network drop before reaching destination. The era of wireless communications has brought the evaluation of distributed mobile computing and communications anytime anywhere to a reality. This paper presents an efficient survey of packet loss probability of various wireless sensor networks. It also describes packet loss overview and...
Our research team proposed some peer-to-peer technique based on sensor data streaming methods named LCF, LLF and LLF-H for distributing communication loads when delivering sensor data streams with different data collection cycles. The LCF method and the LLF method mainly focus on the fairness of communication load. However, when many distribution nodes have a same collection cycle, the number of hops...
We investigate near-optimal load balancing and auto-scaling solutions that can get the best delay performance while attaining high utilization in two-tier cloud storage systems. The first tier consists of a distributed cache composed of leased resources from a computing cloud (e.g., Amazon EC2) and the second tier consists of a persistent distributed storage (e.g., Amazon S3). At any point in time...
Peer-to-Peer (P2P) networks are distributed systems where no central authority rules the behavior of the individual peers. These systems rely on the voluntary participation of the peers to help each other and reduce congestion at the data servers. BitTorrent is a popular file-sharing P2P application originally designed for non real-time data. Given the inherent characteristics of these systems, they...
In this paper, we propose a distributed scheme to realize a quick update of the AOI (Area Of Interest) of players participating in a MMORPG. The basic idea of the proposed scheme is to dynamically adjust the number of master peers in each region using a threshold-based merge and split mechanism, where region is a part of the game field obtained by statically partitioning it. The result of simulations...
An important problem that confronts P2P network is to efficiently search the node that stores a particular data. Chord is a distributed lookup protocol that addresses the problem. However, the chord protocol has not yet efficiently resolved the problem. In this paper an improved Chord algorithm is presented, which considers the node's actual ability, the physical location relationship, the routing...
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