نتایج جستجو برای: network simulator tool
تعداد نتایج: 1030457 فیلتر نتایج به سال:
In order to perform precise evaluation of MANET applications in the real world, realistic mobility models are needed in wireless network simulation. In this paper, we propose a new method to create urban pedestrian flows (UPF) mobility scenarios, which reproduce the walking behavior of pedestrians in urban areas. From given densities of pedestrians observed at several points, our method derives...
In Adhoc Network group communication is more important, in which routing protocols play a vital role for data transmission. With/Without using central server or access point, the Wireless network form a temporary network with collection of wireless nodes in which, each node changes randomly at different times. In order to establish data transmission between nodes, multiple hops are needed becau...
NeSSi (Network Security Simulator) is a novel network simulation tool which incorporates a variety of features relevant to network security distinguishing it from general-purpose network simulators. Its capabilities such as profile-based automated attack generation, traffic analysis and support for detection algorithm plugins allow it to be used for security research and evaluation purposes. Ne...
In the next decade, a growing number of scientific and industrial applications will require powerefficient systems providing unprecedented computation, memory, and communication resources. A promising paradigm foresees the use of heterogeneous many-tile architectures. The resulting computing systems are complex: they must be protected against several sources of faults and critical events, and a...
Network security simulator is required for the study on the cyber intrusion and defense as cyber terrors have been increasingly popular. Until now, network security simulation aims at estimation of a small-size network or performance analysis of information protection systems. However, a systematic way to develop network security simulation is needed. In this paper, an ordered UML-based scenari...
TCP (Transmission Control Protocol) is the most widely-used protocol on Internet. It divides one large data into small sized packets, called segments. Segmentation is useful for improving network performance. It has a major problem in that its congestion control algorithm does not allow flows to obtain full available bandwidth during fast long-distance links. One of the tools for evaluating TCP...
The performance of multihop wireless networks (MWN) is normally studied via simulation over a fixed time horizon using a steady-state type of statistical analysis procedure. However, due to the dynamic nature of network connectivity and nonstationary traffic, such an approach may be inappropriate as the network may spend most time in a transient/nonstationary state. Moreover, the majority of th...
This paper studies the eeective bandwidth required when multiple self-similar (i.e., long range dependent) traac sources are multiplexed together in a network. In particular, an ATM network simulation tool is used to assess the accuracy of a theoretical effective bandwidth formula developed by Ilkka Norros for self-similar traac. Synthetic traac models with con-trollable workload parameters are...
As precision farming requires real-time, accurate and sustainable monitoring of the biotope of the field, energy consumption and network delay constitute the major factors affecting the performance of ZigBee-based Wireless Sensor Network (WSN) applied in agricultural production. Based on the AODVjr algorithm, this paper presents a new algorithm, namely NS-AODVjr. Featuring emphasis on energy co...
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