Network simulation: Difference between revisions

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==Network simulator==

A '''network simulator''' is a [[software]] program that can predict the performance of a computer network or a wireless communication network. Since communication networks have become tooltoo complex for traditional analytical methods to provide an accurate understanding of system behavior, network simulators are used. In simulators, the computer network is modeled with devices, links, applications, etc., and the network performance is reported. Simulators come with support for the most popular technologies and networks in use today such as [[5G]], [[Internet of Things]] (IoT), [[Wireless LAN]]s, [[mobile ad hoc network]]s, [[wireless sensor network]]s, [[vehicular ad hoc network]]s, [[Cognitive Radio Networks|cognitive radio networks]], [[LTE (telecommunication)|LTE]]

==Simulations==

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* [[GloMoSim]]

There are also some notable commercial network simulators. These include:

*OPNET (Riverbed)

*NetSim (Tetcos). The source code is open, and [https://tetcos.com/download.html NetSim Lite] is available for free download for academic institutions and students

==Uses of network simulators ==

Network simulators provide a cost-effective method for

* 5G, 6G, NTN coverage, capacity, throughput and latency analysis

* Network R & D (More than 70% of all Network [[Academic paper|Research paper]] reference a network simulator)

* Defense applications such as [[UHF]]/[[VHF]]/L-Band Radio based [[MANET]] Radios, Dynamic TDMA MAC, PHY Waveforms etc.