A Framework for Remote Automation, Configuration, and Monitoring of Real-World Experiments

Aktas, Ismet; Puñal, Oscar; Schmidt, Florian; Drüner, Tobias; Wehrle, Klaus; Puñal, Oscar; Aktas, Ismet; Schnelke, Caj-Julian; Abidin, Gloria; Gross, James; Wehrle, Klaus; Aktas, Ismet; Henze, Martin; Alizai, Muhammad Hamad; Möllering, Kevin; Wehrle, Klaus; Aktas, Ismet; Alizai, Muhammad Hamad; Schmidt, Florian; Wirtz, Hanno; Wehrle, Klaus; Aktas, Ismet; Wehrle, Klaus; Aktas, Ismet; Schmidt, Florian; Weingaertner, Elias; Schnelke, Caj-Julian; Wehrle, Klaus; Aktas, Ismet; Schmidt, Florian; Alizai, Muhammad Hamad; Drüner, Tobias; Wehrle, Klaus; Aktas, Ismet; vom Lehn, Hendrik; Habets, Christoph; Schmidt, Florian; Wehrle, Klaus; Aktas, Ismet; Otten, Jens; Schmidt, Florian; Wehrle, Klaus

doi:10.1145/2643230.2643236

CRAWLER – A Flexible and Versatile Cross-Layer Coordination Architecture

Cross-layer optimization can improve performance and responsiveness in wireless and mobile environments where link conditions change frequently and rapidly in an unpredictable manner.
Many cross-layer solutions dedicated to a single scenario has been proposed.
However, support for changing scenarios and multiple cross-layer optimizations has not been addressed.
Furthermore, from an engineering point of view, shortcomings in previous work have contributed to limited use of cross-layering.

We propose CRAWLER, a flexible and versatile cross-layer coordination architecture. Key points are ...
1) support for multiple optimization
2) support for multiple scenarios
3) coordination of protocol and system components
4) adaptability of optimizations at runtime
5) application support, i.e.,
i) allow applications to access protocol and system information
ii) allow applications to provide own optimizations
6) a rule-based configuration language that abstracts and simplifies the proper cross-layer optimizations

Concept View:

On an abstract level CRAWLER consists of three components as shown in Figure above:

The logical component (LC) allows designers to express their cross-layer signaling optimizations in a very abstract and intuitive way. For this purpose, we have created a rule-based language customized to cross-layer design purposes. As a result, a designer is able to program cross-layer signaling at a high level by specifying rules (even at runtime).
The proper realization of the cross-layer signaling optimizations (given by the LC) is realized by the cross-layer processing component (CPC). Here, the rules are mapped to compositions of small functional units. These compositions can be flexibly changed.
Stubs provide (read or write) access to protocol information or sub-system states.

Software

CRAWLER: https://code.comsys.rwth-aachen.de/redmine/projects/crawler-public

FANTASY: https://code.comsys.rwth-aachen.de/redmine/projects/fantasy

Team

Ismet Aktas (researcher)
Klaus Wehrle (researcher, project leader)
Tobias Drüner (student)
Dominik Dennisen (student)

Alumni

Jens Otten
Kevin Möllering
Caj-Julian Schnelke
Christoph Habets
Nikolaus Koemm

Publications

•	Ismet Aktas, Oscar Puñal, Florian Schmidt, Tobias Drüner, and Klaus Wehrle A Framework for Remote Automation, Configuration, and Monitoring of Real-World Experiments Proceedings of the 9th ACM International Workshop on Wireless Network Testbeds, Experimental Evaluation and Characterization (WiNTECH 2014), Hawaii, USA, page 1--8. Publisher: ACM, September 2014 DOI: 10.1145/2643230.2643236 ISBN: 978-1-4503-3072-5
•	Oscar Puñal, Ismet Aktas, Caj-Julian Schnelke, Gloria Abidin, James Gross, and Klaus Wehrle Machine Learning-based Jamming Detection for IEEE 802.11: Design and Experimental Evaluation Proceedings of the 15th International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM'14), Sydney, Australia, page 1--10. Publisher: IEEE, June 2014
•	Ismet Aktas, Martin Henze, Muhammad Hamad Alizai, Kevin Möllering, and Klaus Wehrle Graph-based Redundancy Removal Approach for Multiple Cross-Layer Interactions Proceedings of the 2014 Sixth International Conference on Communication Systems and Networks (COMSNETS), Bangalore, India, page 1-8. Publisher: IEEE, January 2014 DOI: 10.1109/COMSNETS.2014.6734899 ISBN: 978-1-4799-3635-9
•	Ismet Aktas, Muhammad Hamad Alizai, Florian Schmidt, Hanno Wirtz, and Klaus Wehrle Harnessing Cross-Layer Design Elsevir Ad-hoc Networks, October 2013
•	Ismet Aktas and Klaus Wehrle Cross-Layer-Koordination zur Erkennung und Behandlung von Jamming-Angriffen (Poster) F&T Tag Publisher: Fraunhofer Institute FKIE, April 2013
•	Ismet Aktas, Florian Schmidt, Elias Weingaertner, Caj-Julian Schnelke, and Klaus Wehrle An Adaptive Codec Switching Scheme for SIP-based VoIP Proceedings of the 12th International Conference on Next Generation Wired/Wireless Networking (NEW2AN 2012), St. Pettersburg, Russia., page 1-12. Publisher: LNCS, August 2012 DOI: 10.1007/978-3-642-32686-8_32 ISBN: 978-3-642-32685-1
•	Ismet Aktas, Florian Schmidt, Muhammad Hamad Alizai, Tobias Drüner, and Klaus Wehrle CRAWLER: An Experimentation Architecture for System Monitoring and Cross-Layer-Coordination Proceedings of the 13th International Symposium on a World of Wireless, Mobile and MultimediaNetworks (WoWMoM'12), San Francisco, USA, page 1--9. Publisher: IEEE, June 2012 DOI: 10.1109/WoWMoM.2012.6263686 ISBN: 978-1-4673-1238-7
•	Ismet Aktas, Hendrik vom Lehn, Christoph Habets, Florian Schmidt, and Klaus Wehrle FANTASY: Fully Automatic Network Emulation Architecture with Cross-Layer Support Proceedings of the 5th ACM International ICST Conference on Simulation Tools and Techniques (SIMUTools '12), Desenzano del Garda, Italy, page 57-64. Publisher: ICST, Brussels, Belgium March 2012 DOI: 10.4108/icst.simutools.2012.247759 ISBN: 978-1-4503-1510-4 http://dl.acm.org/citatio...0183&CFTOKEN=31687193
•	Ismet Aktas, Jens Otten, Florian Schmidt, and Klaus Wehrle Towards a Flexible and Versatile Cross-Layer-Coordination Architecture Proceedings of the 2010 INFOCOM IEEE Conference on Computer Communications Workshops, San Diego, CA, USA, page 1-5. Publisher: IEEE, March 2010 ISBN: 978-1-4244-6739-6

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