Computer network simulator is a tool that is used to visualize the simulation for the designed computer networks. Computer Network Simulation is nothing but it is a simulation program that used to define the network behaviors. It is possible by measuring the relationship among different types of activities like switches, nodes, routers, and links.
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WAN, LAN, and wireless are the types of computer networks performing simulation operations. Computer Network Simulators works based on some flow of the process that is pointed out in the next section.
Working flow of Computer Network Simulator
- The process of this simulator mainly contains four modules. There are,
- Algorithm module
- Network module
- Computational module
- Mobility module
- Use of stochastic input-traffic pattern and terminating simulation approach the simulator can be classified into either process-oriented or discrete-event simulator.
- These kinds of computer networking protocols produce excellent results in flexibility, accuracy, and reliability. So, this is cost-effective for designing and analyzing wireless computer networks when compared with experimental tests and analytic models.
From these points, you can clear about the working flow of Computer Network. Always, we are providing in-depth explanations for your projects. Then we have to know why we use computer networks? Let’s see the answer to this question in upcoming points.
Benefits of Computer Networks
The main goal of a computer network simulator is to simulate all the nodes in the network for the purpose of sharing information and providing a service for the network.
- It is useful in various areas of science like management science, engineering, and operation research for the purpose of investigating the proposed and existing performance of a system.
- Especially, used in interaction probabilistic and complex geometry applications.
- Computer networks reduce the complexity of the network by the use of conventional analytical methods.
- A network simulator is used to construct the computer network with devices, applications, and links.
- These computer networks are widely used in recent technology like LTE, IoT, Wireless local area networks, Mobile Ad-hoc networks, and 5G.
The previously mentioned points represent the benefits of a network simulator. Deliberately, we are providing online guidance for computer network based projects, and for your better understanding, our experts provide the step by step explanations. Then we move on to the next topic that contains some parameters and their values.
What are the parameters for Network Simulation?
- Packet Size (e.g., Exponential(1024) bits)
- Examined Routing Protocols (e.g., OLSR and AODV)
- Packet Inter Arrival Time (e.g., Exponential(1)s)
- Network Area/ Region (e.g., 1000x 1000 sq.m)
- Data Type (e.g., FTP)
- Network size (e.g., 16,30 & 50)
- Data Rate (e.g., 24 Mbps)
- Simulation Time (e.g., 1800 seconds)
- MAC Layer (e.g., IEEE 802.11g)
- Transmission Power (e.g., 0.005 Watts)
Every simulator is created for one reason that it improves any of the characteristics in the network with a short time of execution process. In this way, computer network simulators are having some performance metrics that are explained in the upcoming passage.
Performance Evaluation Metrics for Simulation
- Energy Consumption
- Consumption of energy is calculated based on the average time of power consumption of a node and the time of the operation.
- Here, energy consumption is defined as spending the amount of power for transmitting and receiving the data.
- A computer network consumes a minimum amount of energy for sending and receiving data over the internet.
- Packet End-to-End delay
- This performance is evaluated based on the transmission time of packets from source to end.
- It is similar to the monitoring of IP networks. But, not for the Round Trip Time, it is concentrated only on the path transmissions.
- Packet Delivery Ratio
- It is a ratio between the number of received packets in the destination and the amount of sending packets from the source.
- On the other hand, the total number of packets received on the receiver side is divided by the total number of packets from the sender side.
- Bandwidth
- It is a theoretical measurement based on how much data could be transferred at a particular time.
- The bandwidth of the Computer networks must be high.
- Throughput
- Throughput is defined as how much actual data are successfully transferred from the source to the destination.
- The capacity of the throughput is measured by the unit data per second or bits per second.
- Buffer Overflow
- Buffer is referred to as a temporary storage space that contains actual data and the location of each sender and receiver.
- If the storage capacity of the network exceeds its limit, a buffer overflow will occur.
We hope that before said points are very useful to understand the performance evaluation metrics. Continuously, we are providing a better solution for complex computer network simulator problems with your 100% satisfaction. Also, offering the novel ideas of other computer network simulators like OMNeT++, NS2, and NS3. Do you know about these simulators? If you say no the upcoming part is helping to increase your knowledge in Network simulators.
OMNeT++ Simulator
- Objective Modular Network Testbed in C++ is the abbreviation of OMNeT++. INET is a suitable example for OMNeT++ it consists of multiple network protocols such as BGP, IPv6 and etc.
- It is also known as the modular component-based framework for building the computer network. The structure of this OMNeT++ simulator is written by an Object-oriented C++ programming language.
- This framework does not contain the network protocols like HTTP or IP. Perform simulation by using the in-built simulation library of C++. This INET is also providing nodes mobility which is suitable for communication among vehicles.
NS-2 Simulator
- The purpose of high-level NS2 is the construction of a novel model based on C++ programming and compiles that program in the system.
- Stock NS-2 and all-in-one distributions are some distribution types in Network Simulator-2 and installation of this distribution function are too simple.
- The file extension of this distribution function is .gcc. Then the below points insist on the steps for creating the NS-2 simulation process.
- To construct the structure of the network with necessary elements such as a router, links, and nodes.
- Agents are created using UDP or TCP connections and each and every node is attached with agents.
- To develop the application for example telnet or bulk transfer, FTP is the suitable protocol for this application and is used for packet generation in a random manner.
- There is no need to mention the IP address for each node.
NS-3 Simulator
- This simulator is mainly designed for the discrete events in the distributed networks.
- NS-3 provides support for different types of virtual nodes and helps the multiple Helper classes.
- The purpose of the helper class gives permission for internet stacks, install devices and applications.
- For the use of the NS3 Simulator, we can easily create a network. Such as,
- CSMA
- Point-to-Point
- Wireless
- CSMA is always looking like a bus topology among the various computers. Then the purpose of ensuring network connection, the topology of CSMA is connected to the NIC.
- A point-to-Point connection is the same as LAN connections among the computers.
- Wireless connection is similar to the Wi-Fi connection between multiple routers and computers.
The above-mentioned three simulators are widely used Network Simulators. Do you want an idea for your projects? Let’s move on to the research topics based on this field computer network simulator.
Recent Research Topics in Computer Network
- Construct a spreading model for multi-information hybrid network
- Perform the evaluation and modeling in 5G Communication core network architecture using software-designed networks.
- Time-Varying Directed Acyclic Wireless Multi-hop Networks for Energy Harvesting to gain an efficient Throughput
- Load Management in Computer Networks to increase the Quality of Service.
- Hybrid-hierarchical Interconnection for Static Performance Effect using Shifted Completely Connected Network
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