OMNeT++ is an extensible, modular, component-based C++ simulation library and framework, primarily for building network simulators.
Announcement: OverSim-20101103 release
Ingmar Baumgart has announced OverSim release 20101103. It brings support for the ReaSE Internet topology generator, experimental support for TCP and IPv6 in SimpleUnderlay and InetUnderlay, the N-Tree overlay protocol, recursive routing for Kademlia, and many other changes and improvements (details below). You can download OverSim-20101103 and the patched INET framework INET-OverSim-20101019 from the download area of oversim.org.
B-MAC for MiXiM and OMNeT++ 4 available now
From Anna Förster: I finally found some time to implement B-MAC for MiXiM
and OMNeT++4. Please find the files and the docs here: http://linux3.dti.supsi.ch/~afoerste/downloads.html. Please report all possible bugs, troubles, etc. to the mailing list in order to help also others to resolve their problems.
MiXiM 2.0 Released, Contains Support for INET Integration
The MiXiM team has released MiXiM 2.0. The main highlight of this release
is MiXiM - INET Framework integration. MiXiM 2.0 contains a "Mixnet"
example simulation that demonstrates how one can use MiXiM network interface
cards (NICs) together with higher layer protocols (IP, TCP, UDP) of the INET Framework.
MiXiM provides the necessary modules to make the two frameworks compatible,
as well as documentation and examples how to build simulations using both frameworks.
The new release also fixes some bugs and contains small interface changes.
An overview of the most important changes is given after the break.
MiXiM is an OMNeT++ modeling framework created for mobile and fixed wireless
networks (wireless sensor networks, body area networks, ad hoc networks,
vehicular networks, etc.). It offers detailed models of radio wave propagation,
interference estimation, radio transceiver power consumption and wireless
The new MiXiM release can be downloaded from
In order to use MiXiM together with INET, an INET version without the
wireless-related classes is needed, which can be downloaded from
Call for Papers -- 4th International Workshop on OMNeT++
The 4th International OMNeT++ Workshop will be held on March 21, 2011 in Barcelona, Spain. You can submit full papers (up to 8 pages), short papers (up to 4 pages) and code contribution papers NEW! (2 pages) until November 15, 2010. Participate, show your work, meet others who work with OMNeT++, and exchange ideas! All accepted full and short papers will be indexed, and selected papers will be considered for an international journal publication. The workshop will be held in conjunction with SIMUTools 2011. Read the full Call for Papers!
Simple Obstacle Model for INET and MiXiM
From Christoph Sommer: We've now prepared and uploaded the codebase of our "Computationally Inexpensive Empirical Model of IEEE 802.11p Radio Shadowing in Urban Environments" for public consumption. The obstacle model lives at http://www7.informatik.uni-erlangen.de/~sommer/omnet/obstacles/, and can be downloaded for both the INET Framework and for MiXiM. The code is GPL-licensed, so feel free to integrate it with any compatible framework. An in-depth documentation of the model, as well as the results of extensive experiments we performed using IEEE 802.11p radios mounted in cars can be found in the Technical Report of the same name, published at http://www7.informatik.uni-erlangen.de/~dressler/bib/inc/sommer2010computationally-abstract.shtml. If you have any questions, don't hesitate to get back to me!