What is a computer simulator? Network simulation is a technique in computer network research that can be useful for producing results. This article presents you with more interesting research ideas and information about Computer Network Simulator Online!!! According to the software program models, the behavior of a network is based on the interaction of the many network elements.
- A computer simulation is a computer model of a real-life or imaginary situation.
- The model behavior in such simulations will vary depending on the package of starting parameters given for the environment.
What are the Types of Network Design?
There are two sorts of computer network designs to choose from,
Type1: Client/ server model
- The client-server paradigm would be an application framework that divides duties or workloads among resource or service providers, service requests, and clients.
- A server host is a computer that executes one or more server programs that share resources with clients.
- A client does not normally contribute any of its resources, but it does ask a server for material or services.
Type 2: Peer-to-peer network model
- P2P computing, often known as peer-to-peer networking, is a distributed application architecture that divides jobs or workloads among peers.
- Without the requirement for central coordination by servers or reliable hosts, peers make a portion of their resources, such as processing power, disc storage, or network bandwidth, directly available to other network participants.
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What are Topologies in Computer Network?
- The arrangement of the elements (links, nodes, and so on) of a communication network is known as network topology.
- The topology has many forms of telecommunication networks, such as control radio networks and comment and computer networks, which can be defined or described using network topology.
- The topological structure of a network can be represented physically or intellectually by its network topology.
- It is the physical topology of a network that determines where devices should be located and how cables should be installed, whereas logical topology shows how data moves inside a network.
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List of simulation parameters for computer networks
Parameters and their values are here,
- Scheduling algorithm – Proportional Fair
- Thermal noise density – -174 dBm/ Hz
- Number of eNB – 7eNB
- MCS OF D2D – 28
- Distribution – 8 to 12 cellular UEs in each cell; one pair of D2D-UE into one cell
- The radius of cell – 500m
- Number of D2D pairs – 21
- Number cellular UE – 210
- Distance of D2D communication – 10m to 20m
- Carrier frequency – 2 GHz
- System bandwidth – 10 MHz
- System resources – Uplink
- The transmission power of D2D – 20 dBm
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List of Computer Network Simulator Tools
- OMNET ++
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What about NS3?
The NS3 is a computer network simulation tool that makes use of the C++ and Python programming languages. The simulation and core model are implemented using C++. NS3 is designed as a library that may be statically or dynamically linked to a C++ main program. Python wraps C++ in its hood. NS3 modules can be imported into Python projects as well. NS-3 has two types of features, which is in the below sentences,
Tracing of the nodes
- NS3 lets us see the paths taken by the nodes, which gives us insight into how much data is being sent or received. To keep tabs on these operations, tracing files are created.
- NS3 aids in the creation of a pcap file, which may be used to obtain a complete packet (e.g., Source IP, destination IP, sequence number, etc). To view, these packet captures, use the Wireshark programme.
Description of OMNET++
It’s a discrete event simulator framework built using components, and it’s modular and open architecture. OMNET++ is most commonly used for computer network simulations, but it may also be used for queuing network simulations and other purposes. A simulation IDE based on eclipse is used to develop, perform, and evaluate simulations.
Types of Models in OMNET++
CoRE4INET is a real-time Ethernet simulation extension for the OMNET ++ simulation system built on top of the INET Framework. CoRE4INET currently supports,
- IEEE 802.1Q/ IEEE P802.1p VLANs and Priorities
- TTEthernet ( AS6802)
- IEEE 802.1Audio Video Bridging ( AVB)/ Time-Sensitive Networking (TSN)
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Description of COSSIM
COSSIM is the first open-source, high-performance simulator capable of handling a holistic system-of-systems, encompassing CPUs, peripherals, and networks. Such an approach appeals to both designers and application developers of Cyber-Physical Systems and Highly Parallel Systems.
There are a number of well-established simulators that COSSIM builds on top of
- In order to model the digital components of each processing node in the simulated system, GEM5 was used.
- To model the networking infrastructure, we used OMNET++, an established network simulator.
- McPAT estimates the processing nodes’ energy and power consumption, while MiXiM (an OMNET++ addon) estimates the network’s energy usage.
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What is NS-2?
- It is a discrete event simulator that offers extensive support for the modeling of IP, routing, and multicast protocols across wired and wireless networks. It also makes use of the C++ and OTCL programming languages.
- The ns-2 simulation will create a few files, one of which is sim.tr, which keeps track of every packet arrival, queue event, and departure and sim.nam for the network animator, nam, which permits the visual presentation of packets in motion.
- The trace file, contains all packet records events as well as (since it was requested) variable-trace information for the process’s command, acknowledgment, and sequence number.
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Types of NS2 Models
- Wireless (multiple propagation models), Satellite communication
- Wired (point-to-point, LANs)
Multicast: SRM (Scalable Reliable Multicast), Unicast: TCP (Reno, Vegas, Etc) UDP
- Routing and queuing
- Wired routing, Ad- hoc routing, and Directed Diffusion
- Queueing protocols: RED, drop-tail, etc.
- Traffic models and applications
- Web, FFP, Telnet, Constant- bit Rate (CBR), Real Audio
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What are the latest research titles in computer networks?
- Efficient and safe routing protocol for Vehicular Ad Hoc Networks in Intelligent Transportation Systems based on Artificial Intelligence Algorithms with UAV-Assisted.
- The Hybrid Comprehensive Simulator was used to model large-disturbance stability in a Distribution Network with Distributed Generation.
- Validation of Positive-Sequence Modeling of Large-Disturbance Stability in a Distribution Network with Distributed Generation using Hybrid Comprehensive Simulation.
- Approach for detecting DDOS attacks on Internet-of-Things (loTs) devices based on the Fog Layer
- For essential applications in the IoT context, a secure and LoRaWAN-compliant user authentication protocol.
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