Projects & Publications

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Current Projects

Complex Networks

Complex networks can represent a large variety of phenomena, from the topology of an overlay network built over the Internet by a Peer-to-Peer application, to the contact networks that characterize the spreading of epidemics due to bioterrorism agents or naturally occurring infectious diseases. This project concerns the study of multiple statistical metrics and performance indices which characterize complex networks.

People: Caterina Scoglio, Mina Youssef, Ali Sydney, Phillip Schumm, Sakshi Pahwa.

- Robust Topologies with respect to virus spreading (Mina Youssef)

- Robust Topologies with respect to targeted attacks (Ali Sydney)

- Clustering Algorithms (Phillip Schumm)

- Cascading Effects (Sakshi Pahwa)

- Weighted Networks (Sohini Roy)


Publications

- Sohini Roy Chowdhury, Caterina Scoglio, William Hsu "Evolution and Control Strategies of the Foot and Mouth Disease Epidemic on a Weighted Contact Network" Accepted in EPIDEMICS², Second International Conference on Infectious Diseases Dynamics, 2-4 December 2009, Athens, Greece.

- Supriya Nirkhiwale, Caterina Scoglio, " Optimal mobility pattern in epidemic networks" accepted in IEEE Globecom 2009 Wireless Networking Symposium (GC'09-WNS)

- Caterina Scoglio, Robert Kooij, Phillip Schumm, Ali Sydney, Mina Youssef, "Metrics for robustness in complex networks" Presentation at Delft TU, NAS Group, January 2009, Delft, The Netherlands. PDF preprint

- Robert Kooij, Phillip Schumm and Caterina Scoglio, “A new measure for robustness with respect to virus spread” Proceedings of IFIP Networking 2009 (33% acceptance rate), 2009.

- Ali Sydney, Caterina Scoglio, Mina Youssef, and Phillip Schumm "Characterizing the Robustness of Complex Networks" Submitted for publication, 2009.

-Caterina Scoglio, Robert Kooij, Phillip Schumm, Ali Sydney and Mina Youssef "Metrics for Robustness in Complex Networks" Poster presented at "Complex Systems Conference" National Academies Keck Futures Initiative, November 12-15, 2008, Arnold and Mabel Beckman Center, Irvine, CA. PDF preprint

-Ali Sydney, Caterina Scoglio, Phillip Schumm and Robert Kooij "ELASTICITY: Topological Characterization of Robustness in Complex Networks" Proceedings of IEEE/ACM Bionetics 2008.

- Caterina Scoglio, Todd Easton, Phillip Schumm, Don Gruenbacher "Controlling Epidemic Outbreaks through Modeling, Analysis, and Optimization of Complex Networks" Presentation at THE NABC FORUM August 2007. PDF preprint

- Phillip Schumm, Caterina Scoglio, Todd Easton, Don Gruenbacher "Epidemic Spreading on Weighted Contact Networks" Proceedings of IEEE/ACM Bionetics 2007, Budapest, Hungary, Dec. 2007. PDF preprint

- Caterina Scoglio, Todd Easton, Ronette Gehring, Phillip Schumm "Validated Mathematical Models for Epidemics: Utopia or Reality" Presentation at DMP Seminar Series Fall 2007, November 2007. PDF preprint



GpENI: Great Plains Environment for Network Innovation

The Great Plains Environment for Network Innovation (GpENI) is a regional network between The University of Kansas (KU), Kansas State University (K-State), University of Nebraska – Lincoln (UNL), and University of Missouri – Kansas City within the Great Plains Network, supported with optical switches from Ciena interconnected by Qwest fiber infrastructure, in collaboration with the Kansas Research and Education Network (KanREN) and Missouri Research and Education Network. GpENI is funded in part by the National Science Foundation GENI (Global Environment for Network Innovation) Program as part of Cluster B in Spiral 1.

People: Caterina Scoglio, Don Gruenbacher, Yunzhao Li, John Sherrell, Nidhi Tare.

For more infoGpENI wiki




Overlay, Optical, and Virtual Networks

An overlay network is an application-layer logical network created on top of the physical network. It is formed by all or a subset of the underlying physical nodes. The connections between each pair of overlay nodes are provided by overlay links which consist of many underlying physical links. Overlay networks can be used to improve performance and provide quality of service on the IP network, by routing data on the overlay links based on performance measurements.

People: Caterina Scoglio, Ben McBride and Mina Youssef

Publications

- M. Youssef, C. Scoglio "On Graph-based Characteristics of Optimal Overlay Topologies." Computer Network Journal, Elsevier, vol. 53, Issue 7, pp. 913-925, May 2009.

- M. Youssef, B.Y. Choi, C. Scoglio, E. K. Park "Dynamic Hybrid Topology Design for Multicastin Constrained WDM Networks." Proceedings of ICCCN 2008 (26% acceptance rate), St. Thomas, USA, 2008.

- D. Pompili, C. Scoglio, and L. Lopez. "Multicast Algorithms in Service Overlay Networks." Computer Communications Journal vol. 31, pp. 489-505, August 2008.

- B. McBride and C. Scoglio. "Constructing Traffic-Aware Overlay Topologies: A Machine Learning Approach." Proceedings of Workshop on Peer-to-Peer Systems (IPTPS 2008), Tampa Bay, USA, 2008. PDF preprint

- D. Medhi, B.Y. Choi, C. Scoglio, S. Song, S Dispensa "Agent-Based VPN Architecture: Framework and Optimal User Connectivity (Static Case)" in Proceedings of IEEE ADCOM 2007, Guwahati, India, 2007.

- B. McBride and C. Scoglio. "Characterizing Traffic Demand Aware Overlay Routing Network Topologies." Proceedings of IEEE Workshop on High Performance Switching and Routing 2007, New York, USA, 2007. PDF preprint

- M. Youssef, C. Scoglio, and T. Easton. "Optimal Topology Design for Overlay Networks." Proceedings of IFIP Networking 2007 (22% acceptance rate), Atlanta, USA, 2007. PDF preprint

- B. McBride, C. Scoglio, and S. Das. "Distributed Biobjective Ant Colony Algorithm for Low Cost Overlay Network Routing." Proceedings of the 2006 International Conference on Artificial Intelligence. Las Vegas, NV, USA. 2006. PDF preprint

Traffic Modeling and Forecasting

In this project we optimally design dynamic reservation schemes which allocate the bandwidth on-line in real-time to flows or aggregation of flows efficiently on the basis of local measurements. It will be possible to use these schemes in currently deployed networks such as MPLS and overlay networks, which are virtual networks, built using the current Internet infrastructure.

People: Caterina Scoglio, Bala Natarajan, Nikkie Anand, Lutfa Akter.

Publications

- Caterina Scoglio, Carlo Bruni, Giorgio Koch, Sweta Sutrave "Estimation of Traffic Flows from Aggregate Measurements" Submitted for publication 2009.

- Nikkie Anand, Caterina Scoglio, and Bala Natarajan "Traffic Modeling and Forecasting using Non-Linear Time Series Model - GARCH" Workshop on Advances in Wireless Networking, "WOW-NET 2007" in conjunction with IFIP Networking 2007, Atlanta, USA, May 2007

- Nikkie Anand, Caterina Scoglio, and Bala Natarajan "GARCH - Non-Linear Time Series Model for Traffic Modeling and Prediction" Proceedings of IEEE/IFIP NOMS 08 (short paper), Salvador da Bahia, Brazil, April 2008

- Lutfa Akter, Bala Natarajan, and Caterina Scoglio "Modeling and Forecasting Secondary User Activity in Cognitive Radio Networks" Proceedings of ICCCN 2008 (26% acceptance rate), St. Thomas, USA, 2008.


Past Projects

Interconnection Networks

For this project, Sandia National Labs and Kansas State University have teamed up and have developed a scaled version of the Red Storm (Thor's Hammer) Super Computer. This has given us the ability to work within the realm of Interconnection Networks by providing a testbed for evaluating different routing theories. Along with routing, this opens up a plethora of research areas for our networking group as well.

People: Don Gruenbacher, Chris Lydick

Publications

- Chris Lydick. Introducing Enhanced Fully-Adaptive Routing Decisions Within Torus-Mesh and Hypercube Interconnect Networks. April 2008. MS Thesis. PDF (full), PDF (no appendix)

- Chris Lydick. Evaluating Network Performance Tools for Comparing Transport Protocols. July 2007, Sandia National Laboratories. SAND2007-4526. PDF

- Chris Lydick. An Evaluation of Adaptive Routing Algorithms on Tori-Mesh Networks by Nodal Failures. April 2007. Draft. PDF. (Previous Drafts: PDF, PDF)

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