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In computer network research, network simulation is a technique whereby a software program replicates the behavior of a real network. This is achieved by calculating the interactions between the different network entities such as routers, switches, nodes, access points, links, etc. [1] Most simulators use discrete event simulation in which the modeling of systems in which state variables ...
ns-3 is a discrete-event network simulator, sometimes called a 'system simulator' in contrast to a 'link simulator' that models an individual communications link in more detail. ns-3 is written in C++ and compiled into a set of shared libraries that are linked by executable programs that describe the desired simulation topology and configuration.
Graphical Network Simulator-3 (shortened to GNS3) is a network software emulator first released in 2008. [ 2 ] [ 3 ] [ 4 ] It allows the combination of virtual and real devices, used to simulate complex networks.
Meep - an open source package for electromagnetic simulation with finite-difference time-domain (FDTD) method; NEST - open-source software for spiking neural network models. NetLogo - an open-source multi-agent simulation software. ns-3 - an open-source network simulator. OpenFOAM - open-source software used for computational fluid dynamics (or ...
Packet Tracer is a cross-platform visual simulation tool designed by Cisco Systems that allows users to create network topologies and imitate modern computer networks.The software allows users to simulate the configuration of Cisco routers and switches using a simulated command line interface.
Contiki is designed to run on types of hardware devices that are severely constrained in memory, power, processing power, and communication bandwidth.A typical Contiki system has memory on the order of kilobytes, a power budget on the order of milliwatts, processing speed measured in megaHertz, and communication bandwidth on the order of hundreds of kilobits/second.
LTE-Sim is an open source framework to simulate LTE networks mainly developed by G. Piro and F. Capozzi at "Politecnico di Bari". The simulator was first presented by means of a scientific article. The simulator was first presented by means of a scientific article.
OverSim is an OMNeT++-based open-source simulation framework for overlay and peer-to-peer networks, developed at the Institute of Telematics, Karlsruhe Institute of Technology, Germany. [1] The simulator contains several models for structured (e.g. Chord, Kademlia, Pastry) and unstructured (e.g. GIA) peer-to-peer protocols.