Note: some entries here are actual downloads hosted on, others are links to the respective project's web site.
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CometOS is a component-based, extensible, tiny operating system for wireless networks. It is written in C++ and highly inspired by OMNeT++'s communication paradigm. It allows the execution of protocols within the OMNeT++ simulation environment as well as on resource-restricted platforms such as wireless sensor nodes.
This Mellanox-contributed InfiniBand simulation model is modeling the data-path of hosts and switches at the flit transfer level. The model can be used to estimate network performance under configurable hardware capabilities, timing and topologies.
VNS is a simulation framework that completely integrates the mobility and network components in a transparent and efficient way, reducing the overhead of communication and synchronization between different simulators. VNS provides bi-directionally interaction between a microscopic mobility model and network simulators such as OMNET++.
This project exploits discrete simulation of a network for automated analysis of security properties. Network topology is formally built using nodes (e.g., routers) and links. Nodes include network interfaces with IP addresses, filtering rules (express using ACLs), and routing processes. Using automated simulation with changing configuration (links going up and down), dynamic behaviour of the network is observed and analyzed. The goal is to find out weak points of the network design and configuration.
Castalia is a simulator for Wireless Sensor Networks (WSN), Body Area Networks (BAN) and generally networks of low-power embedded devices. It is developed in the Networked Systems theme at NICTA, since 2007. Castalia is used by researchers and developers to test their distributed algorithms and/or protocols in realistic wireless channel and radio models, with a realistic node behaviour especially relating to access of the radio. Castalia's salient features include: model for temporal variation of path loss, fine-grain interference and RSSI calculation, physical process modeling, node clock drift, and several popular MAC protocols implemented. Castalia is highly parametric. It provides tools to help run large parametric simulation studies,  process and visualize the results.
LTE user plane simulation model, compatible with the INET Framework.

  • eNodeB and UE models
  • Form-based configuration editor
  • only the radio access network is modeled, the EPC network is not (in the model eNodeB directly connects to the internet, there's no explicit S-GW and P-GW, no GTP tunneling etc.)
  • User Plane only (Control Plane not modeled)
  • FDD only (TDD not supported)
  • no EPS bearer support – note: a similar concept, "connections", has been implemented, but they are neither dynamic nor statically configurable via some config file
  • radio bearers not implemented, not even statically configured radio bearers (dynamically allocating bearers would need the RRC protocol, which is Control Plane so not implemented)
  • handovers not implemented (no X2-based handover, that is; S1-based handover would require an S-GW model)
OverSim is an open-source overlay network simulation framework for the OMNeT++/OMNEST simulation environment. The simulator contains several models for structured (e.g. Chord) and unstructured (e.g. GIA) peer-to-peer protocols. more...
OppBSD integrates essential parts of the real FreeBSD networking stack into OMNeT++ as a simulation model. Every simulated host (or router) runs its own copy of the FreeBSD kernel's networking stack. Consequently, the simulation model is very accurate, i.e., almost behaving like a real implementation. Release 4.0 works with OMNeT++ v4.3 (alternatively v4.1, v4.2) and provides IPv6 support. Presently, the package covers the full TCP/IP stack including IPv4, IPv6, UDP, TCP, ICMP, ICMPv6, ARP, ND, sockets and Ethernet frames.
Adversarial models of traffic generation replace probabilistic assumptions by considering the deterministic worst-case.
TTE4INET is an extension to the INET-Framework for the event-based simulation of time-triggered Ethernet (TTEthernet) in the OMNEST/OMNeT++ simulation system. It was created by the CoRE (Communication over Realtime Ethernet) research group with support from the INET (Internet Techologies) research group at the HAW-Hamburg (Hamburg University of Applied Sciences)
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