NET-Simulator Simulate networks with this tool.
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NET-Simulator Tags

Create simulate vibration simulation simulate simulate handbell ringing simulate exam Networks network simulator simulate workload Simulate Server simulate bulb simulate tariff simulate network create network simulation simulate microcontroller simulate environment simulate system simulate transceiver Simulate EKG simulate keystrokes simulate decay simulate conductivity simulate ecosistem simulate semiconductor simulate microcode Simulate Trafic Simulate GRAFCET Simulate Colorblindness simulate conduction Signaling Networks simulate epidemic simulate HRS simulate xray simulate envinronment sewer networks simulate PLC simulate dinamics simulate railway simulate distillation simulate absorbtion Simulate Lotka-Volterra simulate triangulation simulate subdivision simulate geodesic simulate floorwork Simulate Theorem simulate ODI system simulate map simulate sandpile radioactive decays simulate simulate spheric distribution Simulate PDP-8 simulate choreography simulate collission simulate gravitation simulate epidemics simulate planar ferromagnet simulate micrometer simulate waveguide simulate kinematics simulate interference Simulate Momentum simulate simple capacitor simulate phylogenies simulate neuron simulate mutation simulate angular momentum simulate epistasis simulate transient oscillation simulate diode simulate ions separation simulate conductor simulate Arenstorf orbits simulate collisions simulate biochemical networks simulate molecule

NET-Simulator Description

NET-Simulator is a program designed to provide lecturers and students a convenient visual tool for studying basics of computer networks. NET-Simulator implements two layers of ISO OSI: 2nd - Data Link and 3rd - Network. The 1st - Physical Layer is not emulated, so the electrical and physical specifications for devices are not taken into account. It is supposed that 2nd layer packets are transmitted through an Ethernet-like environment. Thus NET-Simulator allows users to achieve the following goals: · Study the principles of operation for 2nd and 3rd layer switches and passive hubs. · Getting practical skills of the static IP4 routing configuration. · Study communication protocols ARP, IP4, ICMP. · Getting skills of trouble shooting in computer networks. NET-Simulator uses a simple Ethernet-like protocol on the 2nd layer. This protocol uses addressing by 6 byte MAC-address. The uniqueness of the every MAC-address is provided by the NET-Simulator kernel. Actually, a packet of the 2nd layer is a Java object and it does not have any equivalent in real computer networks. On the 3rd layer there is a restricted implementation of IP4 protocol according to RFC791. In order to resolve IP to MAC-addresses there is an ARP service based on broadcast requests. There is restricted implementation of ICMP according to RFC792 that allows working services like ping and traceroute.

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