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Selected Recent Publications2023Simulation Modeling of Zoom Network Traffic: A Case Study by Mehdi Karamollahi, Carey Williamson, and Martin Arlitt. Performance Evaluation (PEVA), Vol. 162, Article 102382, November 2023. A Retrospective on Campus Network Traffic Monitoring by Martin Arlitt, Mehdi Karamollahi, and Carey Williamson. ACM Computer Communication Review (CCR Online), Vol. 53, No. 2, pp. 40-45, April 2023. 2022Simulation Modeling of Zoom Network Traffic (PDF, 530 KB) by Mehdi Karamollahi and Carey Williamson. Proceedings of IEEE MASCOTS 2022, pp. 57-64, Nice, France, October 2022. A Game-Theoretic Rent-Seeking Framework for Improving Multipath TCP Performance (PDF, 650 KB) by Shiva Pokhrel and Carey Williamson. Future Internet, Vol. 14, Issue 9, Article 257, September 2022. Benchmarking Runtime Scripting Performance in WebAssembly (PDF, 570 KB) by Devon Hockley and Carey Williamson. Proceedings of Tenth International Workshop on Load Testing and Benchmarking of Software Systems (LTB), virtual event, April 2022. Zoom Session Quality: A Network-Level View (PDF, 680 KB) by Albert Choi, Mehdi Karamollahi, Carey Williamson, and Martin Arlitt. Proceedings of Passive and Active Measurement (PAM) Conference, virtual event, March 2022. (Springer LNCS, Vol. 13210, pp. 555-572, March 2022) Zoomiversity: A Case Study of Pandemic Effects on Post-Secondary Teaching and Learning (PDF, 1.5 MB) by Mehdi Karamollahi, Carey Williamson, and Martin Arlitt. Proceedings of Passive and Active Measurement (PAM) Conference, virtual event, March 2022. (Springer LNCS, Vol. 13210, pp. 573-599, March 2022) 2021Simulation Modeling of Urban E-Scooter Mobility (PDF, 1.5 MB) by Rachel Mclean, Carey Williamson, and Lina Kattan. Proceedings of IEEE MASCOTS, pp. 49-56, virtual conference, November 2021. Cheating at Craps: A Quantitative Analysis (PDF, 300 KB) by Andrea Marin and Carey Williamson. ACM Performance Evaluation Review, Vol. 48, No. 4, pp. 53-61, May 2021. An Empirical Measurement Study of Free Live Streaming Services (PDF, 540 KB) by Sina Keshvadi and Carey Williamson. Proceedings of PAM 2021, Germany, March 2021. 2020Measurement and Modeling of Tumblr Network Traffic (PDF, 480 KB) by Rachel Mclean, Mehdi Karamollahi, and Carey Williamson. Proceedings of IEEE MASCOTS Companion Workshop, Nice, France, November 2020. (Appears in workshop proceedings, published as Springer Lecture Notes in Computer Science, Vol. 12527, pp. 237-253, January 2021. Traffic Characterization of Instant Messaging Applications: A Campus-Level View (PDF, 210 KB) by Sina Keshvadi, Mehdi Karamollahi, and Carey Williamson. Proceedings of IEEE LCN, Sydney, Australia, pp. 365-372, November 2020. A Rent-Seeking Framework for Multi-Path TCP (PDF, 720 KB) by Shiva Raj Pokhrel and Carey Williamson. Proceedings of IFIP Performance, Milan, Italy, November 2020. (Extended abstract appears in ACM Performance Evaluation Review; full journal version under review elsewhere) Frequency Scaling in Multi-Level Queues by Maryam Elahi, Andrea Marin, Sabina Rossi, and Carey Williamson. Proceedings of IFIP Performance, Milan, Italy, November 2020. (Extended abstract appears in ACM Performance Evaluation Review; full version appears in special issue of Elsevier's Performance Evaluation journal) The SRPT Service Policy with Frequency Scaling: Modeling, Evaluation, and Optimization (PDF, 670 KB) by Andrea Marin, Isi Mitrani, Maryam Elahi, and Carey Williamson. Markov Processes and Related Fields, Vol. 26, No. 4, pp. 687-710, 2020. (Extended version of QEST 2018 paper, appearing in Special Issue for Guy Fajolle) Speed Scaling in Fork-Join Queues: A Comparative Study (PDF, 430 KB) by Andrea Marin, Sabina Rossi, and Carey Williamson. Proceedings of EAI ValueTools, Tsukuba, Japan, pp. 80-87, May 2020. MoVIE: A Measurement Tool for Mobile Video Streaming on Smartphones (PDF, 850 KB) by Sina Keshvadi and Carey Williamson. Proceedings of ACM/SPEC ICPE 2020, Edmonton, AB, Canada, pp. 230-237, April 2020. Fair and Efficient Dynamic Bandwidth Allocation Using OpenFlow (PDF, 630 KB) by Maryam Elahi, Joel van Egmond, Mea Wang, Carey Williamson, and Jean-Francois Amiot. Companion Proceedings of ACM/SPEC ICPE 2020, Edmonton, AB, Canada, pp. 36-37, April 2020. Poster paper. 2019Campus-Level Instagram Traffic: A Case Study (PDF, 2.4 MB) by Steffen Berg Klenow, Carey Williamson, Martin Arlitt, and Sina Keshvadi. Proceedings of IEEE MASCOTS 2019, Rennes, France, pp. 228-234, October 2019. Characterization of IMAPS Email Traffic (PDF, 2.4 MB) by Mehdi Karamollahi and Carey Williamson. Proceedings of IEEE MASCOTS 2019, Rennes, France, pp. 214-220, October 2019. 2018A Campus-Level View of Outlook Email Traffic (PDF, 430 KB) by Zhengping Zhang and Carey Williamson. Proceedings of the 7th International Conference on Network, Communication, and Computing (ICNCC 2018), Taipei, Taiwan, December 2018. LMS Performance Issues: A Case Study of D2L (PDF, 780 KB) by Sourish Roy, Carey Williamson, and Rachel MacLean. Preprint. Official version appears in ISCA Journal of Computers and Their Applications, Vol. 25, No. 3, September 2018. Invited paper. Modeling, Analysis, and Characterization of Periodic Network Traffic (PDF, 2.4 MB) by Mackenzie Haffey, Martin Arlitt, and Carey Williamson. Proceedings of IEEE MASCOTS 2018, Milwaukee, WI, pp. 170-182, September 2018. On Saturation Effects in Coupled Speed Scaling (PDF, 250 KB) by Maryam Elahi and Carey Williamson. Extended version with proofs. Official version in Proceedings of QEST 2018, Beijing, China, September 2018. Control and Optimization of the SRPT Service Policy by Frequency Scaling (PDF, 540 KB) by Andrea Marin, Isi Mitrani, Maryam Elahi, and Carey Williamson. Proceedings of QEST 2018, Beijing, China, September 2018. Modeling Compound TCP over WiFi for IoT (PDF, 1.6 MB) by Shiva Pokhrel and Carey Williamson. IEEE/ACM Transactions on Networking, Vol. 26, No. 2, pp. 864-878, April 2018. Why is my LMS so slow? A Case Study of D2L Performance Issues (PDF, 800 KB) by Sourish Roy and Carey Williamson. Proceedings of ISCA Computers and Their Applications (CATA 2018), Las Vegas, NV, pp. 34-39, March 2018. 2017Experimental Evaluation of Two OpenFlow Controllers (PDF, 1.2 MB) by Mohamad Darianian, Carey Williamson, and Israat Haque. Proceedings of PVE-SDN Workshop, Toronto, ON, Canada, October 2017. A Campus-Level View of Netflix and Twitch: Characterization and Performance Implications (PDF, 350 KB) by Michel Laterman, Martin Arlitt, and Carey Williamson, Proceedings of SCS SPECTS 2017, Seattle, WA, July 2017. Scalability Issues for Remote Sensing Infrastructure: A Case Study by Yang Liu, Sean Picard, and Carey Williamson, Sensors, Vol. 17, No. 5, pp. 1-18, May 2017. 2016Simulation Modeling for Speed Scaling Designs (PDF, 980 KB) by Maryam Elahi and Carey Williamson. Proceedings of ValueTools 2016, Taormina, Italy, October 2016. Experimental Calibration and Validation of a Speed Scaling Simulator (PDF, 270 KB) by Arsham Skrenes and Carey Williamson. Proceedings of IEEE MASCOTS 2016, pp. 105-114, London, UK, September 2016. Autoscaling Effects in Speed Scaling Systems (PDF, 190 KB) by Maryam Elahi and Carey Williamson. Proceedings of IEEE MASCOTS 2016, pp. 307-312, London, UK, September 2016. A Simulator for Distributed Cache Management in Friend-to-Friend Networks (PDF, 680 KB) by Keynan Pratt and Carey Williamson. Proceedings of ACM PADS 2016, pp. 79-82, Banff, AB, May 2016. Workload Study of a Media-Rich Educational Web Site (PDF, 290 KB) by Yang Liu and Carey Williamson. Proceedings of the Linked Learning (LILE) Workshop, Companion Proceedings of WWW 2016, pp. 495-500, Montreal, QC, April 2016. 2015Deduping the Internet: An Email Case Study (PDF, 410 KB) by Carey Williamson. Proceedings of IEEE CCECE 2015, pp. 1345-1350, Halifax, NS, May 2015. 2014Turbocharged Speed Scaling: Analysis and Evaluation (PDF, 470 KB) by Maryam Elahi, Carey Williamson, and Philipp Woelfel. Proceedings of IEEE MASCOTS 2014, Paris, France, pp. 41-50, September 2014.
Decoupled Speed Scaling: Analysis and Evaluation
On the Optimal Randomized Clustering in Distributed Sensor Networks (PDF, 600 KB) by Ali Dabirmoghaddam, Majid Ghaderi, and Carey Williamson. Computer Networks, Vol. 59, pp. 17-32, February 2014. 2013On Zipf Models for Probabilistic Piece Selection in P2P Stored Media Streaming (PDF, 250 KB) by Carey Williamson and Niklas Carlsson. Proceedings of IEEE MASCOTS 2013, San Francisco, CA, August 2013.
Estimating Instantaneous Cache Hit Ratio Using Markov Chain Analysis
Signal Alignment: Enabling Physical Layer Network Coding for MIMO Networking
A Tale of the Tails: Power-Laws in Internet Measurements
2012
Performance Modeling of Anonymity Protocols
Characterizing Cyberlocker Traffic Flows
(PDF, 1.1 MB)
Navigating Tomorrow's Web:
From Searching and Browsing to Visual Exploration
Decoupled Speed Scaling: Analysis and Evaluation
(PDF, 170 KB)
Barrier Counting in Mixed Wireless Sensor Networks
(PDF, 360 KB)
Content Sharing Dynamics in the Global File Hosting Landscape
(PDF, 410 KB)
Solving the TCP-incast Problem
with Application-Level Scheduling
(PDF, 215 KB)
Buddy Routing: A Routing Paradigm for NanoNets based on Physical Layer Network Coding
(PDF, 960 KB)
Delta Graphs for Wireless Ad Hoc Networks
(PDF, 4.8 MB)
Passive Crowd-based Monitoring of World Wide Web Infrastructure and Its Performance
(PDF, 290 KB)
On the Performance of Redundant Traffic Elimination in WLANs
(PDF, 250 KB)
Fluid Views: A Zoomable Search Interface
(PDF, 7.5 MB)
Insights on Media Streaming Progress Using BitTorrent-like Protocols
for On-Demand Media Streaming
(PDF, 900 KB)
Enhancing Redundant Network Traffic Elimination
(PDF, 375 KB) "Low-Overhead Dynamic Sampling for Redundant Traffic Elimination" by Emir Halepovic, Carey Williamson, and Majid Ghaderi. Official version appears in Journal of Communications (JCM), Special Issue on Advances in Communications and Networking II, Vol. 7, No. 1, pp. 28-38, January 2012. Extended version of ICCCN 2011 paper. Invited. "Visualizing Explicit and Implicit Relations of Complex Information Spaces" by Marian Doerk, Sheelagh Carpendale, and Carey Williamson. Official version appears in Information Visualization, Vol. 11, No. 1, pp. 5-21, January 2012. Extended version of VDA 2011 paper. Invited.
Improving TCP Performance in Residential Broadband Networks:
A Simple and Deployable Approach 2011
Experimental Evaluation of Asymmetric QoS
in IEEE 802.11g Wireless Networks
(PDF, 200 KB)
Characterizing the File Hosting Ecosystem: A View from the Edge
(PDF, 900 KB)
Physical-Layer Network Coding with Signal Alignment for MIMO Wireless Networks
(PDF, 320 KB)
Characterizing Organizational Use of Web-Based Services:
Methodology, Challenges, Observations, and Insights
(PDF, 900 KB)
Delta-Graphs: Flexible Topology Control in Wireless Ad Hoc Networks
(PDF, 130 KB)
On Capacity Maximization in Wireless Relay Networks
(PDF, 60 KB)
DYNABYTE: A Dynamic Sampling Algorithm for Redundant Content Detection
(PDF, 700 KB)
Characterizing Intelligence Gathering and Control on an Edge Network
(PDF, 900 KB)
The Edge of Smartness
(PDF, 140 KB)
An Application-Level Solution to the TCP Incast Problem in Data Center Networks
(PDF,
The Information Flaneur: A Fresh Look at Information Seeking
(PDF, 325 KB)
Analytical Modeling of Bidirectional Multi-Channel IEEE 802.11 MAC Protocols
EdgeMaps: Visualizing Explicit and Implicit Relations
(PDF, 4.8 MB) 2010
Peer-Assisted Caching for Scalable Media Streaming
in Wireless Backhaul Networks
(PDF, 120 KB)
A Visual Backchannel for Large-Scale Events
(PDF, 4.2 MB)
Physics-based Modeling of Skier Mobility and Avalanche Rescue
in Mountainous Terrain
(PDF, 306 KB)
On Applicability of Random Graphs for Modeling Random
Key Predistribution for Wireless Sensor Networks
(PDF, 195 KB)
Cluster-based Correlated Data Gathering in Wireless Sensor Networks
(PDF, 205 KB)
Distributed Routing for Vehicular Ad Hoc Networks: Throughput-Delay Tradeoff
(PDF, 370 KB)
Providing Fairness Between TCP NewReno and TCP Vegas with RD Network Services
(PDF, 180 KB)
Dynamic File-Selection Policies for Bundling in BitTorrent-like Systems
(PDF, 160 KB)
Towards Securing MintRoute in Wireless Sensor Networks
(PDF, 620 KB)
Ambient Interference Effects in Wi-Fi Networks
(PDF, 5.8 MB)
Securing Wireless Sensor Networks Against Large-Scale Node Capture Attacks,
(PDF, 270 KB)
An Analytic Throughput Model for TCP NewReno
2009
Media Caching Support for Mobile Transit Users
(PDF, 150 KB)
Simulation Modeling of Secure Wireless Sensor Networks
(PDF, 450 KB) "Enforcing Minimum-Cost Multicast Routing Against Selfish Information Flows" by Zongpeng Li and Carey Williamson, IEEE Transactions on Parallel and Distributed Systems, Vol. 20, No. 9, pp. 1299-1308, September 2009.
Scheduling Issues in Multi-Channel Wireless Networks
(PDF, 256 KB)
Optimal Multicast in Multi-Channel Multi-Radio Wireless Networks
(PDF, 310 KB)
Service Differentiation in Multi-Rate HSDPA Systems
(PDF, 152 KB)
Workload Characterization of a Large Systems Conference Web Server
(PDF, 700 KB)
Towards Visual Web Search:
Interactive Query Formulation and Search Result Visualization
(PDF, 1.3 MB) "Wireless Data Traffic: A Decade of Change" by Emir Halepovic, Carey Williamson, and Majid Ghaderi, IEEE Network, Vol. 23, No. 2, pp. 20-26, March 2009.
Multimedia Application Performance on a WiMAX Network
(PDF, 285 KB) 2008
Managing Hotspot Regions in Wireless/Cellular Networks
with Partial Coverage Picocells
(PDF, 165 KB)
On Workload Merging and Filtering Effects in Hierarchical Wireless Media Streaming
(PDF, 940 KB)
VisGets: Coordinated Visualizations for Web-based Information Exploration and Discovery
(PDF, 1.5 MB)
Benchmarking Modern Web Browsers
(PDF, 68 KB) "Performance Implications of Fluctuating Server Capacity (Extended Version)" by Jingxiang Luo and Carey Williamson, Computer Communications, Vol. 31, No. 16, pp. 3760-3770, October 2008.
TCP over WiMAX: A Measurement Study
(PDF, 500 KB)
Network Information Flow in a Network of Queues
(PDF, 140 KB)
Taxis: Scalable Anonymous Network Communication
(PDF, 130 KB)
Analysis of BitTorrent-like Protocols for On-Demand Stored Media Streaming
(PDF, 200 KB)
Downlink Performance for Mixed Web/VoIP Traffic
in 1xEVDO Rev A Networks
(PDF, 150 KB)
A Comparative Analysis of Web and Peer-to-Peer Traffic
(PDF, 4.0 MB)
TCP Fairness Issues in IEEE 802.11 Wireless LANs
(PDF, 710 KB) 2007
TCP Vegas Performance with Streaming Media
(PDF, 330 KB)
Identifying and Discriminating Between Web and Peer-to-Peer Traffic
in the Network Core
(PDF, 860 KB)
The Extensive Challenges of Internet Application Measurement
(PDF, 140 KB)
Assessing the Completeness of Wireless-side Tracing Mechanisms
(PDF, 1.4 MB)
An Analytical Model for Wireless Networks with Stochastic Capacity
(PDF, 240 KB)
Performance Implications of Fluctuating Server Capacity
(PDF, 140 KB)
Comparing Wired-side and Wireless-side WLAN Monitoring: A Case Study
(PDF, 630 KB)
On Processor Sharing and its Application to Cellular Data Network Provisioning
(PDF, 1.8 MB)
Remote Analysis of a Distributed WLAN Using Passive Wireless-Side Measurement
(PDF, 2.3 MB)
Offline/Realtime Traffic Classification Using Semi-Supervised Learning
(PDF, 1.6 MB)
Performance Benchmarking of Wireless Web Servers
(PDF, 660 KB) 2006
Impact of Stochastic Traffic Characteristics
on Effective Capacity in CDMA Networks
(PDF, 210 KB)
Towards Stadium-Scale Wireless Media Streaming
(PDF, 420 KB)
A Longitudinal Study of Peer-to-Peer Traffic Classification
(PDF, 580 KB)
On Effective Capacity in Time Varying Wireless Networks
(PDF, 130 KB)
An Evolutionary Approach to Optimal Web Proxy Cache Placement
(PDF, 460 KB)
On Pricing Strategies for Stochastic Capacity Networks
(PDF, 72 KB)
A Station-Based Adaptation Algorithm to Improve Robustness of IEEE 802.11
(PDF, 260 KB)
On Channel Selection Strategies for Multi-Channel MAC Protocols
in Wireless Ad Hoc Networks
(PDF, 125 KB)
TCP NewReno: Slow-but-Steady or Impatient?
(PDF, 370 KB)
Queue Management Strategies to Improve TCP Fairness
in IEEE 802.11 Wireless LANs
(PDF, 330 KB)
Revisiting Unfairness in Web Server Scheduling
(PDF, 790 KB) 2005
Characterization of CDMA2000 Cellular Data Network Traffic
(PDF, 190 KB)
Characterizing and Modeling User Mobility
in a Cellular Data Network
(PDF, 490 KB)
A Practical Buses Protocol for Anonymous Internet Communication
(PDF, 80 KB)
Impacts of Data Call Characteristics on Multi-Service CDMA System Capacity
(PDF, 400 KB)
MRMC: A Multi-Rate Multi-Channel MAC Protocol
for Multi-Radio Wireless LANs
(PDF, 200 KB)
Dynamic Channel Rate Assignment for Multi-Radio WLANs
(PDF, 100 KB)
Simulation Evaluation of Call Dropping Policies
for Stochastic Capacity Networks
(PDF, 160 KB)
An FPGA-based Network Processor for IP Packet Compression
(PDF, 200 KB)
Characterizing the Behaviour of RealVideo Streams
(PDF, 260 KB)
Locality Characteristics of Web Streams Revisited
(PDF, 150 KB)
Web Workload Characterization: Ten Years Later
(PDF, 590 KB)
Wireless Web Performance Issues
(PDF, 450 KB)
Media Streaming Performance in a Portable Wireless Classroom Network
(PDF, 2.1 MB)
An Analysis of TCP Reset Behaviour on the Internet
(PDF, 175 KB) 2004
Multi-Layer Analysis of Web Browsing Performance for Wireless PDAs
(PDF, 140 KB)
A Bidirectional Multichannel MAC Protocol for Improving
TCP Performance on Multihop Wireless Ad Hoc Networks
(PDF, 300 KB)
Experimental Evaluation of TCP Performance
in Multi-hop Wireless Ad Hoc Networks
(PDF, 170 KB)
A Hysteresis Model for Web/TCP Transfer Latency
(PDF, 340 KB)
Simulation Evaluation of Hybrid SRPT Scheduling Policies
(PDF, 210 KB)
Time-Domain Analysis of Web Cache Filter Effects
(PDF, 1.3 MB)
Hierarchical Analysis of RealMedia Streaming Traffic
on an IEEE 802.11b Wireless LAN
(PDF, 550 KB)
The Effects of Mobility on
Wireless Media Streaming Performance (PDF, 600 KB)
Network Traffic Measurements
of a Wireless Classroom Network (PDF, 600 KB)
Understanding Web Server Configuration Issues
(PDF, 420 KB) 2003
Performance Benchmarking of Dynamic Web Technologies (Extended Version)
(PDF, 230 KB)
Quantifying the Properties of SRPT Scheduling
(PDF, 720 KB)
A Packet-Level Simulation Study of Optimal Web Proxy Cache Placement
(PDF, 270 KB)
Simulation Evaluation of Wireless Web Performance
in an IEEE 802.11b Classroom Area Network
(PDF, 520 KB)
Network-Level Impacts on User-Level Web Performance (PDF, 750 KB)
Diagnosing Wireless TCP Performance Problems: A Case Study (PDF, 280 KB)
Hybrid Packet/Fluid Flow Network Simulation (PDF, 140 KB) 2002
WebTraff: A GUI for Web Proxy Cache Workload Modeling and Analysis (PDF, 720 KB)
Workload Characterization in Web Caching Hierarchies (PDF, 600 KB)
A Case Study of Web Server Benchmarking Using Parallel WAN Emulation (PDF, 330 KB)
A Measurement Study of RealMedia Audio/Video Streaming Traffic (PDF, 540 KB)
RealMedia Streaming Performance on an IEEE 802.11b Wireless LAN (PDF, 330 KB)
Time-Domain Analysis of Web Cache Filter Effects (PDF, 660 KB)
ProWGen:
A Synthetic Workload Generation Tool for the Simulation Evaluation of
Web Proxy Caches (PDF, 350 KB)
A Case for Context-Aware TCP/IP (PDF, 150 KB)
On Filter Effects in Web Caching Hierarchies (PDF, 880 KB) 2001
Web Server Benchmarking Using Parallel WAN Emulation and HTTP/1.0 (PDF, 340 KB) A
Tutorial on Internet Traffic Measurement (PDF, 155 KB) Simulation
Evaluation of a Heterogeneous Web Proxy Caching Hierarchy (PDF, 160 KB) Improving
Ensemble-TCP Performance on Asymmetric Networks (PDF, 100 KB) 2000Temporal Locality and its Impact on Web Proxy Cache Performance (PDF, 265 KB) Traffic Analysis of a Web Proxy Caching Hierarchy (PDF, 450 KB) A Performance Comparison on Monofractal and Multifractal Traffic Streams (PDF, 100 KB) The synTraff Suite of Traffic Modeling Toolkits (PDF, 200 KB) 1999Web Proxy Workload Characterization (PDF, 310 KB) CAC Performance with Self-Similar Traffic: Simulation Study and Performance Results (PDF, 220 KB) Performance and Robustness Testing of Explicit-Rate ABR Flow Control Schemes (PDF, 440 KB) |
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Last Updated October 2022 |