Name: NetSim
Author: Tetcos

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NetSim, developed by TETCOS, is a Network Simulator and Emulator that provides a simulation environment for modeling communication networks. According to the vendor, NetSim allows users to investigate the behavior and performance of new protocols and devices in a virtual network. It is designed to cater to a wide range of professions and industries, including telecommunications professionals, network engineers, researchers in the field of communication networks, educators, students in computer science and engineering programs, as well as defense and military organizations.

## Key Features

**User-friendly interface**: According to the vendor, NetSim provides an interface that allows users to set up and run simulations with ease, even for those with limited experience in network simulation tools.

**Wide range of networks and protocols**: NetSim supports various networks and protocols, including 5G NR, LTE, IoT, Ethernet, Wi-Fi, TCP/IP, Routing, VLAN, Mobile Ad hoc networks, Vehicular networks, Software-defined networks, Military Radios, Satellite communication, Underwater networks, and more, as claimed by the vendor.

**Range of licensing options**: The vendor states that NetSim offers flexible licensing options, including perpetual/annual licenses, node-lock/floating licenses, and cloud/on-premise options, allowing users to select and assemble components based on their specific requirements.

**Connect NetSim to external hardware**: According to the vendor, NetSim Simulator can be connected to real devices running live applications, enabling users to test and evaluate the performance of their network configurations in a realistic environment.

**Source C code**: NetSim Pro ships with protocol source code in C, allowing users to modify and write their own algorithms, as claimed by the vendor. It is integrated with the MS Visual Studio development environment for a seamless coding experience.

**Advanced Utilities**: NetSim provides advanced utilities such as batch execution of multiple simulations, multi-parameter sweeper, large size network scenario generator, and more, as stated by the vendor, to enhance productivity and efficiency.

**Interconnectivity with external tools**: According to the vendor, NetSim seamlessly integrates with external tools such as MATLAB, Simulink, SUMO, Wireshark, Python, and more, enabling users to leverage the capabilities of these tools for analysis and visualization.

**Detailed output files labeled appropriately**: NetSim generates detailed output files in tab-ordered CSV format, including packet trace, radio measurements, resource allocation, event trace, and more. According to the vendor, these files are labeled appropriately for easy analysis and can be opened in Excel or Python Pandas.

**Hundreds of examples**: NetSim includes a vast library of built-in examples and use-cases, according to the vendor, which can save time for users by providing pre-configured scenarios that serve as a starting point for their simulations.


Comprehensive Network Emulation Tool: Several users have praised NetSim for being a comprehensive network emulation tool that is useful for various applications such as network design, planning, defense, and research and development. This versatility makes it a valuable asset for professionals in the networking field.

Realistic Traffic Simulation: Reviewers appreciate the Network Emulator Add-on feature of NetSim, which allows them to link the software to live applications running on real devices. By enabling the flow of real traffic through the emulator, users can experience realistic network effects. This feature has been mentioned by multiple reviewers as a significant advantage of using NetSim.

Versatile Platform with Wide Range of Features: Many users have commended NetSim for its versatility and wide range of features that are applicable in various scenarios. The virtual network capability allows for the creation and execution of numerous test scenarios involving real devices and applications. Additionally, NetSim's compatibility with different operating systems like Mac OS, Windows, and Linux has been highly beneficial for network engineers who need to work across different platforms.

Insufficient Network Lab Experimentation: Some users have expressed dissatisfaction with the effectiveness of NetSim in simulating network lab experimentation in universities. 

Lack of Security Features: Several reviewers have raised concerns about the software's lack of security features, particularly for defense applications.

Inadequate Performance in Railway Communication Networks: Users have highlighted a need for faster response times in railway communication networks, suggesting that NetSim may not meet these requirements effectively.

NetSim has been praised by users for its ease of implementation in network R&D, particularly for custom protocol development. Its adaptability has also made it a valuable tool for academic network lab experimentation in universities. Customers in the defense industry have found NetSim to be a strong solution that caters to their specific requirements. 

The utility industry has benefited from NetSim's capabilities, using it for various transmission and distribution systems such as SCADA communication networks, water and wastewater systems, electric grids, and oil and gas networks. Professionals in the industry have highly regarded NetSim's wireless and satellite link emulation capabilities.

Users have successfully utilized NetSim to create network simulation systems for the design and analysis of network survival techniques using state diagrams. NetSim's ability to interface with Wireshark allows for deeper analysis and troubleshooting, enhancing its value to users. Moreover, users have leveraged NetSim to create virtual networks and test numerous scenarios to validate device performance.

NetSim has also proven useful in server load analysis under different loading conditions, aiding in optimizing server performance. Furthermore, users have employed NetSim for advanced routing on routers and switches, resulting in high-integrity network and system management. Lastly, NetSim has played a pivotal role in the development of projects related to chip design for 5G technology by allowing analysis of network traffic capabilities.

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NetSim

Network simulation software emulate the behavior of a modeled network for a variety of testing purposes in a repeatable and controllable environment, using simulation to understand how various changes will influence performance during some anticipated future configuration or application deployment.

Network Simulation

Tetcos

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