Martin Varela ([email protected]), 2012
This program allows the generation of several accurate (with respect to pre–defined target values) loss traces following a simplified Gilbert loss model (2-states, one with no losses, and one with loss probability = 1). For subjective testing, the challenge lies in getting the right stats within a few hundred packets, as test sequences are only ~10s long. We take a brute-force approach, generating several samples per combination of loss–rate and mean loss burst size until enough sufficiently good traces are generated.
You can run the program like so:
./gilbert lr mlbs sequence_length number_of_sequences seed
At the moment there is no proper validation of command-line arguments, so be careful.
There are certain combinations of loss rate and mean loss burst size values
which are not feasible (a trivial example of this happens with lr>50% and
mlbs=1). In these cases, the program will not terminate (it can be easily
modified to do so if you need to, though).
BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
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This code is made available under the GNU General Public License v2.0.