Research in Networking at UNC

This research is carried out by the Distributed and Real-Time Systems (DiRT) research group.

Current Projects & Students

Resource allocation for Explicit Virtualized Applications — Alex Blate
Developing topology control and routing algorithms for Airborne Mesh Networks — Ben Newton
DNS security and source routing — Srinivas Krishnan

Faculty

Kevin Jeffay, Gillian Cell Distinguished Professor of Computer Science and Chair
F. Donelson Smith, Research Professor
Ketan Mayer-Patel, Associate Professor
Jasleen Kaur, Assistant Professor
Jay Aikat, Research Assistant Professor

Support

These works are currently supported in parts by:

The National Science Foundation (grants CCR-0208924, ANI-0323648, and EIA-0303590)
The IBM Corporation
Cisco Systems Inc.

Related Research Projects at UNC

Selected Papers (Listed in reverse chronological order)

(Click here for an alphabetical listing of all papers stored on-line, or a list papers on-line sorted by publication venue (conference/journal). Also, copies of slides for talks about some of these papers are available on-line. Click here for a list.)

In Submission or To Appear…

In Print

Analysis of Topology Algorithms for Commercial Airborne Networks

IEEE ICNP 2014, October 2014.Get: full citation and abstract – or – PDF copy of this paper.

Gini in A Bottle: A Case Study of Pareto’s Principle in the Wild

International Journal of Computer Networks and Communications Security, 2013.Get: full citation and abstract – or – PDF copy of this paper.

Passive, Streaming Inference of TCP Connection Structure for Network Server Management

IFIP Networking 2009, Workshop on Traffic Monitoring and Analysis, May 2009, to appear.Get: Abstract – or – PostScript (compressed) – or – PDF copy of this paper.

Exposing Server Performance to Network Managers Through Passive Network Measurements

IEEE INM, October 2008, to appear.Get: Abstract – or – PostScript (compressed) – or – PDF copy of this paper.

Multi-Resolution Anomaly Detection for the Internet

IEEE Network Management, April 2008.Get: full citation and abstract – or – PostScript (compressed) – or – PDF copy of this paper.

Modeling and Generation of TCP Application Workloads

IEEE BROADNETS, September 2007.Get: full citation and abstract – or – PostScript (compressed) – or – PDF copy of this paper.

The Effects of Active Queue Management and Explicit Congestion Notification on Web Performance

IEEE/ACM Transactions on Networking, December 2007.Get: full citation and abstract – or – PostScript (compressed) – or – PDF copy of this paper.

Quantifying the Effects of Recent Protocol Improvements to Standards-Track TCP: Impact on Web Performance

Computer Communications, September 2006.Get: full citation and abstract – or – PDF copy of this paper.

Tmix: A Tool for Generating Realistic TCP Application Workloads in ns-2

ACM SIGCOMM CCR, July 2006.Get: full citation and abstract – or – PDF copy of this paper.

A Loss and Queuing-Delay Controller for Router Buffer Management

IEEE ICDCS 2006, July 2006.Get: full citation and abstract – or – PostScript (compressed) – or – PDF copy of this paper.

Understanding Patterns of TCP Connection Usage with Statistical Clustering

IEEE MASCOTS 2005, September 2005.Get: full citation and abstract – or – PostScript (compressed) – or – PDF copy of this paper.(A copy of the slides for the talk presented at the conference is also available in PostScript (compressed) or PDF formats.)

Multivariate SVD Analyses For Network Anomaly Detection

ACM SIGCOMM 2005, August 2005.Get: full citation and abstract – or – PostScript (compressed) – or – PDF copy of this paper.

Long-Range Dependence in a Changing Internet Traffic Mix

Computer Networks, 2005.Get: full citation and abstract -or – PostScript (compressed) – or – PDF copy of this paper.

Delay-Based Early Congestion Detection and Adaptation in TCP: Impact on web performance

Computer Communications, 2005.Get: full citation and abstract -or – PostScript (compressed) – or – PDF copy of this paper.

Extremal Dependence: Internet Traffic Applications

Stochastic Models, 2005.Get: full citation and abstract -or – PostScript (compressed) – or – PDF copy of this paper.

Generating Realistic TCP Workloads

CMG International Conference, December 2004.Get: full citation and abstract -or – PostScript (compressed) – or – PDF copy of this paper.(A copy of the slides for the talk presented at the conference is also available in PostScript (compressed) or PDF formats.)

Differential Congestion Notification: Taming the Elephants

IEEE ICNP 2004, October 2004.Get: full citation and abstract -or – PostScript (compressed) – or – PDF copy of this paper.(A copy of the slides for the talk presented at the conference is also available in PostScript (compressed) or PDF formats.)

Stochastic Models for Generating Synthetic HTTP Source Traffic

IEEE INFOCOM 2004, March 2004.Get: full citation and abstract – or – PostScript (compressed) – or – PDF copy of this paper.

Variability in TCP Roundtrip Times

ACM IMC 2003, October 2003.Get: full citation and abstract – or – PostScript (compressed) – or – PDF copy of this paper.(A copy of the slides for the talk presented at the conference is also available in PostScript (compressed) or PDF formats.)

Quantifying the Effects of Recent Protocol Improvements to Standards-Track TCP

IEEE/ACM MASCOTS 2003, October 2003.Get: full citation and abstract – or – PostScript – or – PDF copy of this paper.(A copy of the slides for the talk presented at the conference is also available in PostScript (compressed) or PDF formats.)

Tracing the Evolution of Web Traffic: 1995-2003

ACM MASCOTS 2003, October 2003.Get: Abstract – or – PostScript (compressed) – or – PDF copy of this paper.(Copies of the empirical distributions of HTTP parameters reported in the paper are available here.)(A copy of the slides for the talk presented at the conference is also available in PostScript (compressed) or PDF formats.)

The Effects of Active Queue Management on Web Performance

ACM SIGCOMM 2003, August 2003.Get: full citation and abstract – or – PostScript (compressed) – or – PDF copy of this paper.(A copy of the slides for the talk presented at the conference is also available in PostScript (compressed) or PDF formats.)

Statistical Clustering of Internet Communication Patterns

INTERFACE 2003, July 2003.Get: full citation and abstract -or – PostScript (compressed) – or – PDF copy of this paper.

Beyond Audio and Video: Multimedia Networking Support for Distributed, Immersive Virtual Environments

EUROMICRO 2001, September 2001.Get: full citation and abstract – or – PostScript (compressed) – or – PDF copy of this paper.(A copy of the slides for the talk presented at the conference is also available.)

What TCP/IP Protocol Headers Can Tell Us About the Web

ACM SIGMETRICS 2001/Performance 2001, June 2001.Get: full citation and abstract – or – PostScript (compressed) – or – PDF copy of this paper.

(Copies of the empirical distributions of HTTP parameters reported in the paper are available here.)

(A copy of the slides for the talk presented at the conference is also available.)

Experiments in Best-Effort Multimedia Networking for a Distributed Virtual Environment

ACM/SPIE Multimedia Computing and Networking 2001, January 2001.Get: full citation and abstract – or – PostScript (compressed) – or – PDF copy of this paper.

(A copy of the slides for the talk presented at the conference is also available.)

Tuning RED for Web Traffic

ACM SIGCOMM ’00, August-September 2000 &ACM/IEEE Transactions on Networking, 2001.Get: full citation and abstract and/or PostScript/PDF copies of this paper.

(A copy of the slides for the talk presented at the conference is also available.)

Responsive vs. Unresponsive Traffic: Active Queue Management for a Better-Than-Best-Effort Service

Technical Report, September 2000.Get: full citation and abstract – or – PostScript – or – PDF copy of this paper.

Towards a Better-Than-Best-Effort Forwarding Service for Multimedia Flows

IEEE Multimedia, December 1999.Get: full citation and abstract and/or PostScript/PDF copies of the paper.

Application-Level Measurements of Performance on the vBNS

IEEE Intl. Conference on Multimedia Computing and Systems, June 1999.Get: full citation and abstract – or – PostScript – or – PDF copy of this paper.

Lightweight Active Router-Queue Management for Multimedia Networking

ACM/SPIE Multimedia Computing and Networking 1999, January 1999.Get: full citation and abstract – or – PostScript – or – PDF copy of this paper.

(A copy of the slides for the talk presented at the conference is also available.)

A Better-Than-Best-Effort Service for Continuous Media UDP Flows

Intl. Workshop on Network and Operating System Support for DigitalAudio and Video, July 1998.Get: full citation and abstract – or – PostScript – or – PDF copy of this paper.

(A copy of the slides for the talk presented at the conference is also available.)

A Two-Dimensional Audio Scaling Enhancement to an Internet Videoconferencing System

Intl. Workshop on Audio-Visual Services over Packet Networks, September 1997.Get: full citation and abstract – or – PostScript (compressed) – or – PDF copy of this paper.

The Performance of Two-Dimensional Media Scaling for Internet Videoconferencing

Intl. Workshop on Network and Operating System Support for DigitalAudio and Video, May 1997.Get: full citation and abstract – or – PostScript – or – PDF copy of this paper.

(A copy of the slides for the talk presented at the conference is also available.)

A Router-Based Congestion Control Scheme For Real-Time Continuous Media

Intl. Workshop on Network and Operating System Support for DigitalAudio and Video, April 1996.Get: full citation and abstract – or – PostScript – or – PDF copy of this paper.

Transport and Display Mechanisms For Multimedia Conferencing Across Packet-Switched Networks

Computer Networks and ISDN Systems, July 1994.Get: full citation and abstract – or – PostScript – or – PDF copy of this paper.

Adaptive, Best-Effort, Delivery of Audio and Video Data Across Packet-Switched Networks

Intl. Workshop on Network and Operating System Support for Digital Audio andVideo, November 1992.Get: full citation and abstract – or – PostScript – or – PDF copy of this paper.