The OPUS package

OPUS logo

This is the home page of OPUS, the Optical Packet switching Universal Solver. It evaluates optical packet-switched networks by both simulation and analysis.


Click here to see sample results for the Polish academic network PIONIER.


This is the second release of OPUS. Now we model networks of any topology with nodes of any degree and any number of wavelengths. The network configuration is given by a Graphviz file. Moreover, you can load the network with any traffic matrix.


You can download the code at:

Or you can use git:

git clone git://

Author, License and Copyright

OPUS was written and is maintained by Ireneusz (Irek) Szczesniak, it's licensed under GPL and copyrighted by IITiS PAN, and Politechnika Częstochowska.

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