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Documents authored by Crowcroft, Jon

Document
DOI: 10.4230/DagRep.11.5.54
Compute-First Networking (Dagstuhl Seminar 21243)

Authors: Jon Crowcroft, Philip Eardley, Dirk Kutscher, and Eve M. Schooler

Published in: Dagstuhl Reports, Volume 11, Issue 5 (2021)

Abstract
A Dagstuhl seminar on Compute-First Networking (CFN) was held online from June 14th to June 16th 2021. We discussed the opportunities and research challenges for a new approach to in-network computing, which aims to overcome limitations of traditional edge/in-network computing systems. The seminar discussed relevant use cases such as privacy-preserving edge video processing, connected and automated driving, and distributed health applications leveraging federated machine learning. A discussion of research challenges included an assessment of recent and expected future developments in networking and computing platforms and the consequences for in-network computing as well as an analysis of hard problems in current edge computing architectures. We exchanged ideas on a variety of research topics and about the results of corresponding activities in the larger fields of distributed computing and network data plane programmability. We also discussed a set of suggested PhD topics and promising future research directions in the CFN space such as split learning that is supported by in-network computing.
Cite as

Jon Crowcroft, Philip Eardley, Dirk Kutscher, and Eve M. Schooler. Compute-First Networking (Dagstuhl Seminar 21243). In Dagstuhl Reports, Volume 11, Issue 5, pp. 54-75, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2021)

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@Article{crowcroft_et_al:DagRep.11.5.54,
  author =	{Crowcroft, Jon and Eardley, Philip and Kutscher, Dirk and Schooler, Eve M.},
  title =	{{Compute-First Networking (Dagstuhl Seminar 21243)}},
  pages =	{54--75},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2021},
  volume =	{11},
  number =	{5},
  editor =	{Crowcroft, Jon and Eardley, Philip and Kutscher, Dirk and Schooler, Eve M.},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.11.5.54},
  URN =		{urn:nbn:de:0030-drops-155706},
  doi =		{10.4230/DagRep.11.5.54},
  annote =	{Keywords: Distributed Machine Learning, distributed systems, edge-computing, in-network computing, networking}
}
Document
DOI: 10.4230/DagRep.11.6.14
Towards Climate-Friendly Internet Research (Dagstuhl Seminar 21272)

Authors: Vaibhav Bajpai, Oliver Hohlfeld, Jon Crowcroft, and Srinivasan Keshav

Published in: Dagstuhl Reports, Volume 11, Issue 6 (2021)

Abstract
This report presents guidelines for deciding when virtual or hybrid conferences are suitable and how to design them. The report is the output from a Dagstuhl seminar where the goal was to review the current status of virtual conferences and to develop best practices for hybrid conferences. The participants provided input on the state-of-the-art of virtual conferences: what works, what does not, and what needs improvement. From this discussion, the participants discussed the requirements, implications, and guidelines for designing hybrid conferences. The participants felt that in the future, small research meetings will move entirely online whereas larger ones will be held as hybrid events.
Cite as

Vaibhav Bajpai, Oliver Hohlfeld, Jon Crowcroft, and Srinivasan Keshav. Towards Climate-Friendly Internet Research (Dagstuhl Seminar 21272). In Dagstuhl Reports, Volume 11, Issue 6, pp. 14-37, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2021)

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@Article{bajpai_et_al:DagRep.11.6.14,
  author =	{Bajpai, Vaibhav and Hohlfeld, Oliver and Crowcroft, Jon and Keshav, Srinivasan},
  title =	{{Towards Climate-Friendly Internet Research (Dagstuhl Seminar 21272)}},
  pages =	{14--37},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2021},
  volume =	{11},
  number =	{6},
  editor =	{Bajpai, Vaibhav and Hohlfeld, Oliver and Crowcroft, Jon and Keshav, Srinivasan},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.11.6.14},
  URN =		{urn:nbn:de:0030-drops-155780},
  doi =		{10.4230/DagRep.11.6.14},
  annote =	{Keywords: Carbon Footprint, Energy Efficient Networking, Climate Change}
}
Document
DOI: 10.4230/DagRep.6.7.15
Network Latency Control in Data Centres (Dagstuhl Seminar 16281)

Authors: Mohammad Alizadeh Attar, Jon Crowcroft, Lars Eggert, and Klaus Wehrle

Published in: Dagstuhl Reports, Volume 6, Issue 7 (2016)

Abstract
This report documents the program and the outcomes of Dagstuhl Seminar 16281 "Network Latency Control in Data Centres". This seminar explored existing and future techniques for controlling data centre latency and thus explores research directions in the new field of data centre latency control in networking research. This need for a new research direction is motivated by the fact that traditional networking equipment and TCP-IP stacks were designed for wide-area networks, where the goal is to maximize throughput, and the control loop between end systems is measured in 10s of milliseconds. Consequently, this seminar discussed new research direction for data center latency control across the entire software and hardware stack, including in-network solutions, end-host solutions, and others.
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Mohammad Alizadeh Attar, Jon Crowcroft, Lars Eggert, and Klaus Wehrle. Network Latency Control in Data Centres (Dagstuhl Seminar 16281). In Dagstuhl Reports, Volume 6, Issue 7, pp. 15-30, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2016)

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@Article{alizadehattar_et_al:DagRep.6.7.15,
  author =	{Alizadeh Attar, Mohammad and Crowcroft, Jon and Eggert, Lars and Wehrle, Klaus},
  title =	{{Network Latency Control in Data Centres (Dagstuhl Seminar 16281)}},
  pages =	{15--30},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2016},
  volume =	{6},
  number =	{7},
  editor =	{Alizadeh Attar, Mohammad and Crowcroft, Jon and Eggert, Lars and Wehrle, Klaus},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.6.7.15},
  URN =		{urn:nbn:de:0030-drops-67605},
  doi =		{10.4230/DagRep.6.7.15},
  annote =	{Keywords: data centres, end-to-end transport protocols., latency, network architecture, resource control, scheduling}
}
Document
DOI: 10.4230/DagRep.4.11.78
Towards an Affordable Internet Access for Everyone: The Quest for Enabling Universal Service Commitment (Dagstuhl Seminar 14471)

Authors: Jon Crowcroft, Adam Wolisz, and Arjuna Sathiaseelan

Published in: Dagstuhl Reports, Volume 4, Issue 11 (2015)

Abstract
This report document the program and outcomes of the Dagstuhl Seminar 14471 "Towards an Affordable Internet Access for Everyone: The Quest for Enabling Universal Service Commitment". At the seminar, about 27 invited researchers from academia and industry discussed the challenges and solutions for enabling universal and affordable Internet access. This report gives a general overview of the presentations and outcomes of discussions of the seminar.
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Jon Crowcroft, Adam Wolisz, and Arjuna Sathiaseelan. Towards an Affordable Internet Access for Everyone: The Quest for Enabling Universal Service Commitment (Dagstuhl Seminar 14471). In Dagstuhl Reports, Volume 4, Issue 11, pp. 78-137, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2015)

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@Article{crowcroft_et_al:DagRep.4.11.78,
  author =	{Crowcroft, Jon and Wolisz, Adam and Sathiaseelan, Arjuna},
  title =	{{Towards an Affordable Internet Access for Everyone: The Quest for Enabling Universal Service Commitment (Dagstuhl Seminar 14471)}},
  pages =	{78--137},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2015},
  volume =	{4},
  number =	{11},
  editor =	{Crowcroft, Jon and Wolisz, Adam and Sathiaseelan, Arjuna},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.4.11.78},
  URN =		{urn:nbn:de:0030-drops-49717},
  doi =		{10.4230/DagRep.4.11.78},
  annote =	{Keywords: Internet access, cost, wireless, regulation, social, deployments, protocols}
}
Document
DOI: 10.4230/DagRep.3.3.75
Future Internet (Dagstuhl Seminar 13131)

Authors: Jon Crowcroft, Markus Fidler, Klara Nahrstedt, and Ralf Steinmetz

Published in: Dagstuhl Reports, Volume 3, Issue 3 (2013)

Abstract
This report documents the program and the outcomes of Dagstuhl Seminar 13131 "Future Internet". At the seminar, about 40 invited researchers from academia and industry discussed the promises, approaches, and open challenges of the Future Internet. This report gives a general overview of the presentations and outcomes of discussions of the seminar.
Cite as

Jon Crowcroft, Markus Fidler, Klara Nahrstedt, and Ralf Steinmetz. Future Internet (Dagstuhl Seminar 13131). In Dagstuhl Reports, Volume 3, Issue 3, pp. 75-99, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2013)

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@Article{crowcroft_et_al:DagRep.3.3.75,
  author =	{Crowcroft, Jon and Fidler, Markus and Nahrstedt, Klara and Steinmetz, Ralf},
  title =	{{Future Internet (Dagstuhl Seminar 13131)}},
  pages =	{75--99},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2013},
  volume =	{3},
  number =	{3},
  editor =	{Crowcroft, Jon and Fidler, Markus and Nahrstedt, Klara and Steinmetz, Ralf},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.3.3.75},
  URN =		{urn:nbn:de:0030-drops-40736},
  doi =		{10.4230/DagRep.3.3.75},
  annote =	{Keywords: Future Internet, Network Design, Testbed, Software Defined Networking, Virtualization, OpenFlow}
}
Document
DOI: 10.4230/DagRep.3.2.22
Decentralized Systems for Privacy Preservation (Dagstuhl Seminar 13062)

Authors: Sonja Buchegger, Jon Crowcroft, Balachander Krishnamurthy, and Thorsten Strufe

Published in: Dagstuhl Reports, Volume 3, Issue 2 (2013)

Abstract
This report documents the program and the outcomes of Dagstuhl Seminar 13062 "Decentralized Systems for Privacy Preservation". In recent years, a number of concerns have risen about the existence of large, organizationally centralized online services (cloud services, online social networks, repositories, etc). The concerns include risks to users' data from organizational failures and threats to user privacy. In this seminar, the organizers brought together a somewhat more diverse collection of theoreticians and practitioners from industry and academia including social scientists and economists. In keeping with the nature of the interdisciplinary attendees, the organizers also attempted a seminar organization structure intended to promote innovative, cross-discipline working. The results were mixed: some clear agenda setting outputs emerged with some less clear ones.
Cite as

Sonja Buchegger, Jon Crowcroft, Balachander Krishnamurthy, and Thorsten Strufe. Decentralized Systems for Privacy Preservation (Dagstuhl Seminar 13062). In Dagstuhl Reports, Volume 3, Issue 2, pp. 22-44, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2013)

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@Article{buchegger_et_al:DagRep.3.2.22,
  author =	{Buchegger, Sonja and Crowcroft, Jon and Krishnamurthy, Balachander and Strufe, Thorsten},
  title =	{{Decentralized Systems for Privacy Preservation (Dagstuhl Seminar 13062)}},
  pages =	{22--44},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2013},
  volume =	{3},
  number =	{2},
  editor =	{Buchegger, Sonja and Crowcroft, Jon and Krishnamurthy, Balachander and Strufe, Thorsten},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.3.2.22},
  URN =		{urn:nbn:de:0030-drops-40177},
  doi =		{10.4230/DagRep.3.2.22},
  annote =	{Keywords: Privacy, Decentralized Systems, Economics, Usability, Mobility}
}
Document
DOI: 10.4230/DagSemProc.10372.1
10372 Abstracts Collection and Report – User-Centric Networking

Authors: Jon Crowcroft, James Kempf, Paulo Jorge Mendes, and Rute Sofia

Published in: Dagstuhl Seminar Proceedings, Volume 10372, User-Centric Networking (2011)

Abstract
In the latest years the highly nomadic lifestyles that Internet users experience, and the strong entanglement between society and technology, lead to the appearance of community networks where the end-user has, most of the times, an active role in terms of sharing Internet access. Such networks range from basic functionality, such as the ability to create a wireless (ad-hoc) network on-the-fly with a simple PC (e.g., Internet Connection Sharing functionality from Microsoft), or more elaborate cases of commercial success, e.g. FON. Wireless networks provided by end-users are expected to grow, despite the limitations imposed by traditional operator-centric Internet communication models. In this new scenario the end-user (or a community of end-users) is a micro-operator in the sense that he/she shares his/her subscribed broadband Internet access based on some incentive scheme. Besides Internet access sharing, being a micro-operator also means providing other network functionality, such as local mobility management and store-cache-forward mechanisms, based on the right set of incentives as well as on adequate information concerning the way people interact and move.
Cite as

Jon Crowcroft, James Kempf, Paulo Jorge Mendes, and Rute Sofia. 10372 Abstracts Collection and Report – User-Centric Networking. In User-Centric Networking. Dagstuhl Seminar Proceedings, Volume 10372, pp. 1-17, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2011)

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@InProceedings{crowcroft_et_al:DagSemProc.10372.1,
  author =	{Crowcroft, Jon and Kempf, James and Mendes, Paulo Jorge and Sofia, Rute},
  title =	{{10372 Abstracts Collection and Report – User-Centric Networking}},
  booktitle =	{User-Centric Networking},
  pages =	{1--17},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2011},
  volume =	{10372},
  editor =	{Jon Crowcroft and James Kempf and Paulo Jorge Mendes and Rute Sofia},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.10372.1},
  URN =		{urn:nbn:de:0030-drops-29235},
  doi =		{10.4230/DagSemProc.10372.1},
  annote =	{Keywords: User-provided wireless networks, Cooperative networking, Cooperation incentives, Internet architectures, Social and mobility modeling Information-centric operation}
}
Document
DOI: 10.4230/DagSemProc.09071.4
Wireless Epidemic Spread in Dynamic Human Networks

Authors: Eiko Yoneki, Pan Hui, and Jon Crowcroft

Published in: Dagstuhl Seminar Proceedings, Volume 9071, Delay and Disruption-Tolerant Networking (DTN) II (2009)

Abstract
The emergence of Delay Tolerant Networks (DTNs) has culminated in a new generation of wireless networking. New communication paradigms, which use dynamic interconnectedness as people encounter each other opportunistically, lead towards a world where digital traffic flows more easily. We focus on humanto- human communication in environments that exhibit the characteristics of social networks. This paper describes our study of information flow during epidemic spread in such dynamic human networks, a topic which shares many issues with network-based epidemiology. We explore hub nodes extracted from real world connectivity traces and show their influence on the epidemic to demonstrate the characteristics of information propagation.
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Eiko Yoneki, Pan Hui, and Jon Crowcroft. Wireless Epidemic Spread in Dynamic Human Networks. In Delay and Disruption-Tolerant Networking (DTN) II. Dagstuhl Seminar Proceedings, Volume 9071, pp. 1-16, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2009)

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@InProceedings{yoneki_et_al:DagSemProc.09071.4,
  author =	{Yoneki, Eiko and Hui, Pan and Crowcroft, Jon},
  title =	{{Wireless Epidemic Spread in Dynamic Human Networks}},
  booktitle =	{Delay and Disruption-Tolerant Networking (DTN) II},
  pages =	{1--16},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2009},
  volume =	{9071},
  editor =	{Kevin Fall and Cecilia Mascolo and J\"{o}rg Ott and Lars Wolf},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.09071.4},
  URN =		{urn:nbn:de:0030-drops-23585},
  doi =		{10.4230/DagSemProc.09071.4},
  annote =	{Keywords: Time Dependent Networks, Connectivity Modelling and Analysis, Network Measurement, Delay Tolerant Networks, Social Networks}
}
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