Ellen Zegura

Orcid: 0000-0002-4756-1759

Affiliations:
  • Georgia Institute of Technology, Atlanta, USA


According to our database1, Ellen Zegura authored at least 167 papers between 1993 and 2024.

Collaborative distances:

Awards

ACM Fellow

ACM Fellow 2013, "For contributions to communication and computation in intermittingly-connected networks.".

IEEE Fellow

IEEE Fellow 2011, "For contributions to disruption tolerant networking".

Timeline

Legend:

Book 
In proceedings 
Article 
PhD thesis 
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Links

Online presence:

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Bibliography

2024
Mending the Fabric: the Contentious, Collaborative Work of Repairing Broadband Maps.
Proc. ACM Hum. Comput. Interact., 2024

Poster: Beyond the Bars: Decoding the Complexities of Cellular Network Performance through Speedtest Data.
Proceedings of the 25th International Workshop on Mobile Computing Systems and Applications, 2024

Should We Teach Computing Ethics to Master's Students?
Proceedings of the 55th ACM Technical Symposium on Computer Science Education, 2024

Considerations for Improving Comprehensive Undergraduate Computing Ethics Education.
Proceedings of the 55th ACM Technical Symposium on Computer Science Education, 2024

QoE Metrics for Interactivity in Video Conferencing Applications: Definition and Evaluation Methodology.
Proceedings of the 15th ACM Multimedia Systems Conference, 2024

2023
Alone and Together: Resilience in a Fluid Socio-Technical-Natural System.
Proc. ACM Hum. Comput. Interact., April, 2023

Mobile Internet Quality Estimation using Self-Tuning Kernel Regression.
CoRR, 2023

Developing Community Support for Computing Ethics Teaching Assistants.
Proceedings of the 54th ACM Technical Symposium on Computer Science Education, Volume 1, 2023

A Measurement-Derived Functional Model for the Interaction Between Congestion Control and QoE in Video Conferencing.
Proceedings of the Passive and Active Measurement - 24th International Conference, 2023

"Moment to Moment": A Situated View of Teaching Ethics from the Perspective of Computing Ethics Teaching Assistants.
Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems, 2023

2022
A tale of three datasets: characterizing mobile broadband access in the U.S.
Commun. ACM, 2022

An Unsupervised Density Based Clustering Algorithm to Detect Election Anomalies : Evidence from Georgia's Largest County.
Proceedings of the COMPASS '22: ACM SIGCAS/SIGCHI Conference on Computing and Sustainable Societies, Seattle, WA, USA, 29 June 2022, 2022

LoRaX: Repurposing LoRa as a Low Data Rate Messaging System to Extend Internet Boundaries.
Proceedings of the COMPASS '22: ACM SIGCAS/SIGCHI Conference on Computing and Sustainable Societies, Seattle, WA, USA, 29 June 2022, 2022

Note: Towards Community-Empowered Network Data Action.
Proceedings of the COMPASS '22: ACM SIGCAS/SIGCHI Conference on Computing and Sustainable Societies, Seattle, WA, USA, 29 June 2022, 2022

2021
As a Squash Plant Grows: Social Textures of Sparse Internet Connectivity in Rural and Tribal Communities.
ACM Trans. Comput. Hum. Interact., 2021

A Tale of Three Datasets: Towards Characterizing Mobile Broadband Access in the United States.
CoRR, 2021

Workshop on Overcoming Measurement Barriers to Internet Research (WOMBIR 2021) final report.
Comput. Commun. Rev., 2021

Revitalizing the public internet by making it extensible.
Comput. Commun. Rev., 2021

Tribal Mobility and COVID-19: An Urban-Rural Analysis in New Mexico.
Proceedings of the HotMobile '21: The 22nd International Workshop on Mobile Computing Systems and Applications, 2021

Using Role-Play to Scale the Integration of Ethics Across the Computer Science Curriculum.
Proceedings of the SIGCSE '21: The 52nd ACM Technical Symposium on Computer Science Education, 2021

Scouting the Path to a Million-Client Server.
Proceedings of the Passive and Active Measurement - 22nd International Conference, 2021

Too Late for Playback: Estimation of Video Stream Quality in Rural and Urban Contexts.
Proceedings of the Passive and Active Measurement - 22nd International Conference, 2021

Coverage is Not Binary: Quantifying Mobile Broadband Quality in Urban, Rural, and Tribal Contexts.
Proceedings of the 30th International Conference on Computer Communications and Networks, 2021

2020
Annulus: A Dual Congestion Control Loop for Datacenter and WAN Traffic Aggregates.
Proceedings of the SIGCOMM '20: Proceedings of the 2020 Annual conference of the ACM Special Interest Group on Data Communication on the applications, 2020

Approaches to Understanding Indigenous Content Production on Wikipedia.
Proceedings of the 3rd ACM SIGCAS Conference on Computing and Sustainable Societies, 2020

Drop the packets: using coarse-grained data to detect video performance issues.
Proceedings of the CoNEXT '20: The 16th International Conference on emerging Networking EXperiments and Technologies, 2020

2019
Using Session Modeling to Estimate HTTP-Based Video QoE Metrics From Encrypted Network Traffic.
IEEE Trans. Netw. Serv. Manag., 2019

Collaborative Data Work Towards a Caring Democracy.
Proc. ACM Hum. Comput. Interact., 2019

Eiffel: Efficient and Flexible Software Packet Scheduling.
Proceedings of the 16th USENIX Symposium on Networked Systems Design and Implementation, 2019

Evaluating LTE Coverage and Quality from an Unmanned Aircraft System.
Proceedings of the 16th IEEE International Conference on Mobile Ad Hoc and Sensor Systems, 2019

Packet-level Overload Estimation in LTE Networks using Passive Measurements.
Proceedings of the Internet Measurement Conference, 2019

Indigenous internet: nuances of native american internet use.
Proceedings of the Tenth International Conference on Information and Communication Technologies and Development, 2019

Unison: Enabling Content Provider/ISP Collaboration using a vSwitch Abstraction.
Proceedings of the 27th IEEE International Conference on Network Protocols, 2019

zD: a scalable zero-drop network stack at end hosts.
Proceedings of the 15th International Conference on Emerging Networking Experiments And Technologies, 2019

2018
eMIMIC: Estimating HTTP-Based Video QoE Metrics from Encrypted Network Traffic.
Proceedings of the Network Traffic Measurement and Analysis Conference, 2018

VideoNOC: assessing video QoE for network operators using passive measurements.
Proceedings of the 9th ACM Multimedia Systems Conference, 2018

If you can't Beat Them, Augment Them: Improving Local WiFi with Only Above-Driver Changes.
Proceedings of the 2018 IEEE 26th International Conference on Network Protocols, 2018

Care and the Practice of Data Science for Social Good.
Proceedings of the 1st ACM SIGCAS Conference on Computing and Sustainable Societies, 2018

2017
FiDO: A Community-based Web Browsing Agent and CDN for Challenged Network Environments.
Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2017

Using data science as a community advocacy tool to promote equity in urban renewal programs: An analysis of Atlanta's Anti-Displacement Tax Fund.
CoRR, 2017

A Rural Lens on a Research Agenda for Intelligent Infrastructure.
CoRR, 2017

MIMIC: Using passive network measurements to estimate HTTP-based adaptive video QoE metrics.
Proceedings of the Network Traffic Measurement and Analysis Conference, 2017

Virtual network migration on the GENI wide-area SDN-enabled infrastructure.
Proceedings of the 2017 IEEE Conference on Computer Communications Workshops, 2017

A Vision for Zero-Hop Networking (ZeN).
Proceedings of the 37th IEEE International Conference on Distributed Computing Systems, 2017

Local and Low-Cost White Space Detection.
Proceedings of the 37th IEEE International Conference on Distributed Computing Systems, 2017

Workload management for dynamic mobile device clusters in edge femtoclouds.
Proceedings of the Second ACM/IEEE Symposium on Edge Computing, San Jose / Silicon Valley, 2017

2016
Making Public Safety Data Accessible in the Westside Atlanta Data Dashboard.
CoRR, 2016

Computational ferrying: Efficient scheduling of computation on a mobile high performance computer.
Comput. Commun., 2016

TANGO: Toward a More Reliable Mobile Streaming through Cooperation between Cellular Network and Mobile Devices.
Proceedings of the 35th IEEE Symposium on Reliable Distributed Systems, 2016

Video through a crystal ball: effect of bandwidth prediction quality on adaptive streaming in mobile environments.
Proceedings of the 8th International Workshop on Mobile Video, 2016

A First Look at "Eyes on the Vote".
Proceedings of the Eighth International Conference on Information and Communication Technologies and Development, 2016

Lessons in Social Election Monitoring.
Proceedings of the Eighth International Conference on Information and Communication Technologies and Development, 2016

Experiences with MOOCs in a West-African Technology Hub.
Proceedings of the Eighth International Conference on Information and Communication Technologies and Development, 2016

2015
Computational ferrying: Challenges in deploying a Mobile High Performance Computer.
Proceedings of the 16th IEEE International Symposium on A World of Wireless, 2015

Vision: The Case for Symbiosis in the Internet of Things.
Proceedings of the 6th International Workshop on Mobile Cloud Computing and Services, 2015

Agile virtualized infrastructure to proactively defend against cyber attacks.
Proceedings of the 2015 IEEE Conference on Computer Communications, 2015

Beyond bootstrapping: the liberian ilab as a maturing community of practice.
Proceedings of the Seventh International Conference on Information and Communication Technologies and Development, 2015

See my work: sustaining a data reporting practice by mental health clinicians in Liberia.
Proceedings of the Seventh International Conference on Information and Communication Technologies and Development, 2015

Towards Mobile Opportunistic Computing.
Proceedings of the 8th IEEE International Conference on Cloud Computing, 2015

Femto Clouds: Leveraging Mobile Devices to Provide Cloud Service at the Edge.
Proceedings of the 8th IEEE International Conference on Cloud Computing, 2015

2014
The road to SDN: an intellectual history of programmable networks.
Comput. Commun. Rev., 2014

Virtual network migration on real infrastructure: A PlanetLab case study.
Proceedings of the 2014 IFIP Networking Conference, Trondheim, 2014

CoAST: collaborative application-aware scheduling of last-mile cellular traffic.
Proceedings of the 12th Annual International Conference on Mobile Systems, 2014

COSMOS: computation offloading as a service for mobile devices.
Proceedings of the Fifteenth ACM International Symposium on Mobile Ad Hoc Networking and Computing, 2014

2013
Design and analysis of schedules for virtual network migration.
Proceedings of the IFIP Networking Conference, 2013, Brooklyn, 2013

Plausible mobility inference from wireless contacts using optimization.
Proceedings of the 8th ACM MobiCom Workshop on Challenged Networks, 2013

Community building for capacity building: case study of Liberia's iLab.
Proceedings of the International conference on information and communication technologies and development, 2013

2012
ARDEN: Anonymous networking in delay tolerant networks.
Ad Hoc Networks, 2012

Computing in cirrus clouds: the challenge of intermittent connectivity.
Proceedings of the first edition of the MCC workshop on Mobile cloud computing, 2012

Serendipity: enabling remote computing among intermittently connected mobile devices.
Proceedings of the Thirteenth ACM International Symposium on Mobile Ad Hoc Networking and Computing, 2012

2011
From encounters to plausible mobility.
Pervasive Mob. Comput., 2011

Message ferries as generalized dominating sets in intermittently connected mobile networks.
Pervasive Mob. Comput., 2011

A framework for characterizing the wireless and mobile network continuum.
Comput. Commun. Rev., 2011

Evaluation of data communication opportunities from oil field locations at remote areas.
Proceedings of the 11th ACM SIGCOMM Internet Measurement Conference, 2011

iDTT: Delay Tolerant Data Transfer for P2P File Sharing Systems.
Proceedings of the Global Communications Conference, 2011

Deficit Round-Robin Based Message Ferry Routing.
Proceedings of the Global Communications Conference, 2011

2009
Hierarchical power management in disruption tolerant networks using traffic-aware optimization.
Comput. Commun., 2009

2008
D-book: a mobile social networking application for delay tolerant networks.
Proceedings of the Third Workshop on Challenged Networks, CHANTS 2008, San Francisco, 2008

2007
Report from the 2006 SIGCOMM nomination committee.
Comput. Commun. Rev., 2007

Trading latency for energy in densely deployed wireless ad hoc networks using message ferrying.
Ad Hoc Networks, 2007

Interactions of Intelligent Route Control with TCP Congestion Control.
Proceedings of the NETWORKING 2007. Ad Hoc and Sensor Networks, 2007

Hybrid routing in clustered DTNs with message ferrying.
Proceedings of the 1st international MobiSys workshop on Mobile opportunistic networking, 2007

Understanding the wireless and mobile network space: a routing-centered classification.
Proceedings of the Second Workshop on Challenged Networks, CHANTS 2007, Montréal, Québec, 2007

Reliable roadside-to-roadside data transfer using vehicular traffic.
Proceedings of the IEEE 4th International Conference on Mobile Adhoc and Sensor Systems, 2007

2006
Domenico Ferrari wins 2006 ACM SIGCOMM award.
Comput. Commun. Rev., 2006

Multicasting in sparse MANETs using message ferrying.
Proceedings of the IEEE Wireless Communications and Networking Conference, 2006

Hierarchical power management in disruption tolerant networks with traffic-aware optimization.
Proceedings of the 2006 SIGCOMM workshop on Challenged networks, 2006

Message ferry route design for sparse ad hoc networks with mobile nodes.
Proceedings of the 7th ACM Interational Symposium on Mobile Ad Hoc Networking and Computing, 2006

Capacity Enhancement using Throwboxes in DTNs.
Proceedings of the IEEE 3rd International Conference on Mobile Adhoc and Sensor Systems, 2006

Avoiding Oscillations Due to Intelligent Route Control Systems.
Proceedings of the INFOCOM 2006. 25th IEEE International Conference on Computer Communications, 2006

2005
V3: A vehicle-to-vehicle live video streaming architecture.
Pervasive Mob. Comput., 2005

Adding structure to unstructured peer-to-peer networks: the use of small-world graphs.
J. Parallel Distributed Comput., 2005

Rainbow fair queueing: theory and applications.
Comput. Networks, 2005

A data streaming algorithm for estimating subpopulation flow size distribution.
Proceedings of the International Conference on Measurements and Modeling of Computer Systems, 2005

Multicasting in delay tolerant networks: semantic models and routing algorithms.
Proceedings of the 2005 ACM SIGCOMM Workshop on Delay-Tolerant Networking, 2005

Power management in delay tolerant networks: a framework and knowledge-based mechanisms.
Proceedings of the Second Annual IEEE Communications Society Conference on Sensor and Ad Hoc Communications and Networks, 2005

Trading Latency for Energy in Wireless Ad Hoc Networks Using Message Ferrying.
Proceedings of the 3rd IEEE Conference on Pervasive Computing and Communications Workshops (PerCom 2005 Workshops), 2005

Scheduling Uplink Bandwidth in Application-Layer Multicast Trees.
Proceedings of the NETWORKING 2005: Networking Technologies, 2005

Optimizing End-to-End Throughput for Data Transfers on an Overlay-TCP Path.
Proceedings of the NETWORKING 2005: Networking Technologies, 2005

Interdomain Ingress Traffic Engineering Through Optimized AS-Path Prepending.
Proceedings of the NETWORKING 2005: Networking Technologies, 2005

Controlling the mobility of multiple data transport ferries in a delay-tolerant network.
Proceedings of the INFOCOM 2005. 24th Annual Joint Conference of the IEEE Computer and Communications Societies, 2005

Efficient and scalable query routing for unstructured peer-to-peer networks.
Proceedings of the INFOCOM 2005. 24th Annual Joint Conference of the IEEE Computer and Communications Societies, 2005

2004
Ulysses: a robust, low-diameter, low-latency peer-to-peer network.
Eur. Trans. Telecommun., 2004

The energy-limited capacity of wireless networks.
Proceedings of the First Annual IEEE Communications Society Conference on Sensor and Ad Hoc Communications and Networks, 2004

Bootstrapping in Gnutella: A Measurement Study.
Proceedings of the Passive and Active Network Measurement, 5th International Workshop, 2004

A message ferrying approach for data delivery in sparse mobile ad hoc networks.
Proceedings of the 5th ACM Interational Symposium on Mobile Ad Hoc Networking and Computing, 2004

An Empirical Evaluation of Landmark Placement on Internet Coordinate Schemes.
Proceedings of the International Conference On Computer Communications and Networks (ICCCN 2004), 2004

Cooperative Patching: A client based P2P architecture for supporting continuous live video streaming.
Proceedings of the International Conference On Computer Communications and Networks (ICCCN 2004), 2004

2003
Editorial.
IEEE/ACM Trans. Netw., 2003

A framework for allocating clients to rate-constrained multicast servers.
Comput. Commun., 2003

Adding Structure to Unstructured Peer-to-Peer Networks: The Role of Overlay Topology.
Proceedings of the Group Communications and Charges; Technology and Business Models, 2003

Extending and enhancing GT-ITM.
Proceedings of the ACM SIGCOMM workshop on Models, 2003

p-sim: A Simulator for Peer-to-Peer Networks.
Proceedings of the 11th International Workshop on Modeling, 2003

Multipoint-to-Point Session Fairness in the Internet.
Proceedings of the Proceedings IEEE INFOCOM 2003, The 22nd Annual Joint Conference of the IEEE Computer and Communications Societies, San Franciso, CA, USA, March 30, 2003

Spectral Analysis of Internet Topologies.
Proceedings of the Proceedings IEEE INFOCOM 2003, The 22nd Annual Joint Conference of the IEEE Computer and Communications Societies, San Franciso, CA, USA, March 30, 2003

An evolutionary framework for AS-level Internet topology modeling.
Proceedings of the Global Telecommunications Conference, 2003

Binding Clients to Replicated Servers: Initial and Continuous Binding.
Proceedings of the 9th IEEE International Workshop on Future Trends of Distributed Computing Systems (FTDCS 2003), 2003

The Markov Chain Simulation Method for Generating Connected Power Law Random Graphs.
Proceedings of the Fifth Workshop on Algorithm Engineering and Experiments, 2003

2002
Multicast server selection: problems, complexity, and solutions.
IEEE J. Sel. Areas Commun., 2002

Silo, rainbow, and caching token: schemes for scalable, fault tolerant stream caching.
IEEE J. Sel. Areas Commun., 2002

QoS routing for anycast communications: motivation and an architecture for DiffServ networks.
IEEE Commun. Mag., 2002

Selecting among replicated batching video-on-demand servers.
Proceedings of the Network and Operating System Support for Digital Audio and Video, 2002

The Effect of Peer Selection and Buffering Strategies on the Performance of Peer-to-Peer File Sharing Systems.
Proceedings of the 10th International Workshop on Modeling, 2002

Network Measurement as a Cooperative Enterprise.
Proceedings of the Peer-to-Peer Systems, First International Workshop, 2002

Diversity in DNS performance measures.
Proceedings of the 2nd ACM SIGCOMM Internet Measurement Workshop, 2002

Measurements from a campus wireless network.
Proceedings of the IEEE International Conference on Communications, 2002

A probe-based server selection protocol for differentiated service networks.
Proceedings of the IEEE International Conference on Communications, 2002

Protocols for Selection Among Replicated Multicast Servers.
Proceedings of the International Conference on Internet Computing, 2002

CANEs: An Execution Environment for Composable Services.
Proceedings of the 2002 DARPA Active Networks Conference and Exposition (DANCE 2002), 2002

2001
Intact versus fractional switching in SONET/SDH cross - connects.
Eur. Trans. Telecommun., 2001

Supporting Server Selection in Differentiated Service Networks.
Proceedings of the Proceedings IEEE INFOCOM 2001, 2001

Internet User Access via Dial-up Networks - Traffic Characterization and Statistics.
Proceedings of the 9th International Conference on Network Protocols (ICNP 2001), 2001

Allocating clients to constrained multicast servers: an optimal solution.
Proceedings of the 10th International Conference on Computer Communications and Networks, 2001

2000
Application-layer anycasting: a server selection architecture and use in a replicated Web service.
IEEE/ACM Trans. Netw., 2000

Bowman: A Node OS for Active Networks.
Proceedings of the Proceedings IEEE INFOCOM 2000, 2000

On the Use of Destination Set Grouping to Improve Inter-Receiver Fairness for Multicast ABR Sessions.
Proceedings of the Proceedings IEEE INFOCOM 2000, 2000

On Scalable QoS Routing: Performance Evaluation of Topology Aggregation.
Proceedings of the Proceedings IEEE INFOCOM 2000, 2000

Rainbow Fair Queueing: Fair Bandwidth Sharing Without Per-Flow State.
Proceedings of the Proceedings IEEE INFOCOM 2000, 2000

Performance of Hashing-Based Schemes for Internet Load Balancing.
Proceedings of the Proceedings IEEE INFOCOM 2000, 2000

Design and evaluation of a protocol for automated hierarchical address assignment.
Proceedings of the Proceedings Ninth International Conference on Computer Communications and Networks, 2000

1999
Multiple-Channel Multicast Scheduling for Scalabel Bulk-Data Transport.
Proceedings of the Proceedings IEEE INFOCOM '99, 1999

Utility Max-Min: An Application-Oriented Bandwidth Allocation Scheme.
Proceedings of the Proceedings IEEE INFOCOM '99, 1999

Optimal Allocation of Clients to Replicated Multicast Servers.
Proceedings of the Seventh Annual International Conference on Network Protocols, 1999

1998
SONET/SDH traffic generation models.
Eur. Trans. Telecommun., 1998

Directions in active networks.
IEEE Commun. Mag., 1998

Inter-Receiver Fairness: A Novel Performance Measure for Multicast ABR Sessions.
Proceedings of the 1998 ACM SIGMETRICS joint international conference on Measurement and modeling of computer systems, 1998

A Novel Server Selection Technique for Improving the Response Time of a Replicated Service.
Proceedings of the Proceedings IEEE INFOCOM '98, The Conference on Computer Communications, Seventeenth Annual Joint Conference of the IEEE Computer and Communications Societies, Gateway to the 21st Century, San Francisco, CA, USA, March 29, 1998

Self-Organizing Wide-Area Network Caches.
Proceedings of the Proceedings IEEE INFOCOM '98, The Conference on Computer Communications, Seventeenth Annual Joint Conference of the IEEE Computer and Communications Societies, Gateway to the 21st Century, San Francisco, CA, USA, March 29, 1998

Reasoning About Active Network Protocols.
Proceedings of the 1998 International Conference on Network Protocols (ICNP '98), 1998

Clustering Algorithms for Multi-level Address Hierarchies.
Proceedings of the International Conference On Computer Communications and Networks (ICCCN 1998), 1998

Service-Specific ABR Routing Algorithms.
Proceedings of the International Conference On Computer Communications and Networks (ICCCN 1998), 1998

Efficient simulation of ATM networks with accurate end-to-end delay statistics.
Proceedings of the 1998 IEEE International Conference on Communications, 1998

1997
A quantitative comparison of graph-based models for Internet topology.
IEEE/ACM Trans. Netw., 1997

A survey and new results in renegotiated service.
J. High Speed Networks, 1997

Center selection and migration for wide-area multicast routing.
J. High Speed Networks, 1997

Modeling Internet topology.
IEEE Commun. Mag., 1997

Application-Layer Anycasting.
Proceedings of the Proceedings IEEE INFOCOM '97, 1997

ABR service for applications with non-linear bandwidth utility functions.
Proceedings of the 1997 International Conference on Network Protocols (ICNP '97), 1997

Active networking and the end-to-end argument.
Proceedings of the 1997 International Conference on Network Protocols (ICNP '97), 1997

An architecture for active networking.
Proceedings of the High Performance Networking VII, IFIP TC6 Seventh International Conference on High Performance Networking (HPN'97), White Plains, New York, USA, 28th April, 1997

1996
Logical Process Size in Parallel Simulations.
Proceedings of the 28th conference on Winter simulation, 1996

How to Model an Internetwork.
Proceedings of the Proceedings IEEE INFOCOM '96, 1996

1995
Evaluating blocking probability in generalized connectors.
IEEE/ACM Trans. Netw., 1995

Core selection methods for multicast routing.
Proceedings of the 4th International Conference on Computer Communications and Networks (ICCCN '95), 1995

1994
An Improved Model for Evaluating Blocking Probability in Generalized Connectors.
Proceedings of the Proceedings IEEE INFOCOM '94, 1994

1993
Architectures for ATM switching systems.
IEEE Commun. Mag., 1993

Evaluating Blocking Probability in Distributors.
Proceedings of the Proceedings IEEE INFOCOM '93, The Conference on Computer Communications, Twelfth Annual Joint Conference of the IEEE Computer and Communications Societies, Networking: Foundation for the Future, San Francisco, CA, USA, March 28, 1993


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