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The Common Open Research Emulator (CORE) is a tool for emulating networks on one or more machines. You can connect these emulated networks to live networks. CORE consists of a GUI for drawing topologies of lightweight virtual machines, and Python modules for scripting network emulation.
Graphical Network Simulator-3 is a network software emulator first released in 2008. It allows the combination of virtual and real devices, used to simulate complex networks. It uses Dynamips emulation software to simulate Cisco IOS.
ECEbuntu - a customized operatingsystem designed for ECE
...ECEbuntu is free and is intended to be an alternate to existing copyrighted/expensive solutions. It is built on top of Ubuntu 12.04 LTS operatingsystem. ECEbuntu attempts to reduce duplication of effort for building software workstations in laboratories and is intended to act as a good teaching source for a class room setting.
Download ECEbuntu @ (https://www.dropbox.com/s/n7r0ny46r1sl0pv/ecebuntu_x64_2013.iso?dl=0)
For Instructions Manual see Download section.
D.N.S. - A ready-to-use virtual machine network simulator
D.N.S. - aka Debian Network Simulator - is a Virtual Machine prepared to run as a guest in VirtualBox to emulate complex networks.
It is based on Debian Jessie and is built around the well known GNS3 Project.
Thanks to D.N.S. you can emulate Cisco and Juniper devices, as well as different kind of servers, to build complex networks for testing purposes or to have an huge help to study for a certifications like CCNA, CCNP, JNCIA and so on.
The goal of the project is to provide an easy...
Simured is a multicomputer network simulation whith visual interface to see packet movement on the network. It is multi platform and there are versions in Java and C++.
Liowsn (Linux for works with WSN) was created to assist teachers, students and people involved with projects of Wireless Sensor Network (WSN). The operatingsystem is Ubuntu 9.10 remastered and it contains several tools for simulation and testing installed to work with WSN.
Discussion Group: http://groups.google.com/group/liowsn-users
User manual: https://dl.dropbox.com/u/4912938/LiowsnManual_EN.pdf (English Version)
https://dl.dropbox.com/u/4912938/LiowsnManual_PT.pdf (Portuguese Version)
User mode linux virtual machines management in pure bash 3.x Manages separate hosts and virtual networking on linux host, firewalling planned. This tool aims to be lightweight production environment controler, not a huge virtual network simulator.
Design and implementation of the Observation-based Cooperation Enforcement in Mobile Ad-hoc Networks (OCEAN) protocol, on top of the ns2 network simulator, using Dynamic Source Routing (DSR).
NS2 Linux is dedicated to improve the Network Simulator (NS-2) to match Linux performance. Planned contents include: an NS-2 module that runs Linux congestion control functions, tutorials on how to run NS-2 to match Linux performance, benchmark for TCP.
niab - Network In A Box.
Create a virtual lab network inside one machine. A lab can include routers, firewalls, clients and servers connected by a network specified by you. [Linux Network Simulator, UML, user mode linux]