17 Search Results for "Ott, J�rg"


Document
Internet of People (Dagstuhl Seminar 17412)

Authors: Elizabeth M. Belding, Jörg Ott, Andrea Passarella, and Peter Reichl

Published in: Dagstuhl Reports, Volume 7, Issue 10 (2018)


Abstract
This report provides a summary of the organization, program, and outcome of the Dagstuhl Seminar titled "Internet of People". We first provide the main motivations for organising the seminar. Then, we briefly describe the organisation goals of the seminar, and summarise the rationale for the set of researchers involved. We then report on the activities carried out during the sessions, consisting of talks and group works. Specifically, we provide the abstracts of the talks and extended reports on the output of the groups work. Finally, we draw the main conclusions of the seminar.

Cite as

Elizabeth M. Belding, Jörg Ott, Andrea Passarella, and Peter Reichl. Internet of People (Dagstuhl Seminar 17412). In Dagstuhl Reports, Volume 7, Issue 10, pp. 42-68, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2018)


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@Article{belding_et_al:DagRep.7.10.42,
  author =	{Belding, Elizabeth M. and Ott, J\"{o}rg and Passarella, Andrea and Reichl, Peter},
  title =	{{Internet of People (Dagstuhl Seminar 17412)}},
  pages =	{42--68},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2018},
  volume =	{7},
  number =	{10},
  editor =	{Belding, Elizabeth M. and Ott, J\"{o}rg and Passarella, Andrea and Reichl, Peter},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagRep.7.10.42},
  URN =		{urn:nbn:de:0030-drops-86627},
  doi =		{10.4230/DagRep.7.10.42},
  annote =	{Keywords: Internet design; Next Generation Internet; human-centric Internet; social-aware Internet}
}
Document
Global Measurements: Practice and Experience (Dagstuhl Seminar 16012)

Authors: Vaibhav Bajpai, Arthur W. Berger, Philip Eardley, Jörg Ott, and Jürgen Schönwälder

Published in: Dagstuhl Reports, Volume 6, Issue 1 (2016)


Abstract
This article summarises a 2.5 day long Dagstuhl seminar on Global Measurements: Practice and Experience held in January 2016. This seminar was a followup of the seminar on Global Measurement Frameworks held in 2013, which focused on the development of global Internet measurement platforms and associated metrics. The second seminar aimed at discussing the practical experience gained with building these global Internet measurement platforms. It brought together people who are actively involved in the design and maintenance of global Internet measurement platforms and who do research on the data delivered by such platforms. Researchers in this seminar have used data derived from global Internet measurement platforms in order to manage networks or services or as input for regulatory decisions. The entire set of presentations delivered during the seminar is made publicly available at [1].

Cite as

Vaibhav Bajpai, Arthur W. Berger, Philip Eardley, Jörg Ott, and Jürgen Schönwälder. Global Measurements: Practice and Experience (Dagstuhl Seminar 16012). In Dagstuhl Reports, Volume 6, Issue 1, pp. 15-33, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2016)


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@Article{bajpai_et_al:DagRep.6.1.15,
  author =	{Bajpai, Vaibhav and Berger, Arthur W. and Eardley, Philip and Ott, J\"{o}rg and Sch\"{o}nw\"{a}lder, J\"{u}rgen},
  title =	{{Global Measurements: Practice and Experience (Dagstuhl Seminar 16012)}},
  pages =	{15--33},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2016},
  volume =	{6},
  number =	{1},
  editor =	{Bajpai, Vaibhav and Berger, Arthur W. and Eardley, Philip and Ott, J\"{o}rg and Sch\"{o}nw\"{a}lder, J\"{u}rgen},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagRep.6.1.15},
  URN =		{urn:nbn:de:0030-drops-58079},
  doi =		{10.4230/DagRep.6.1.15},
  annote =	{Keywords: Internet measurements, Quality of experience, Traffic engineering}
}
Document
Do It Yourself networking: an interdisciplinary approach (Dagstuhl Seminar 14042)

Authors: Panayotis Antoniadis, Jörg Ott, and Andrea Passarella

Published in: Dagstuhl Reports, Volume 4, Issue 1 (2014)


Abstract
This report provides a summary of the organization, program, and outcome of the Dagstuhl seminar titled "Do-It-Yourself networking: an interdisciplinary perspective". We first motivate our interest in wireless networks operating outside the public Internet and the selection of the various areas of expertise. Then we describe the process of bringing together a balanced group of representatives from these fields, and the evolution of the seminar over time. An overview of the interactions during the work in groups on specific application areas and explorations of the concept of failure, edited collectively by the members of the different groups, summarizes the main outcomes of the seminar. Finally, we identify some important lessons learned for facilitating interdisciplinary collaborations and conclude with our plans toward building a DIY networking community of researchers and activists.

Cite as

Panayotis Antoniadis, Jörg Ott, and Andrea Passarella. Do It Yourself networking: an interdisciplinary approach (Dagstuhl Seminar 14042). In Dagstuhl Reports, Volume 4, Issue 1, pp. 125-151, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2014)


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@Article{antoniadis_et_al:DagRep.4.1.125,
  author =	{Antoniadis, Panayotis and Ott, J\"{o}rg and Passarella, Andrea},
  title =	{{Do It Yourself networking: an interdisciplinary approach (Dagstuhl Seminar 14042)}},
  pages =	{125--151},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2014},
  volume =	{4},
  number =	{1},
  editor =	{Antoniadis, Panayotis and Ott, J\"{o}rg and Passarella, Andrea},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagRep.4.1.125},
  URN =		{urn:nbn:de:0030-drops-45384},
  doi =		{10.4230/DagRep.4.1.125},
  annote =	{Keywords: Community Wireless Networks, Mobile Networking, Delay-Tolerant Networking, Ad-hoc Networking, Urban informatics, Community informatics, Urban Planning Interdisciplinarity}
}
Document
Global Measurement Framework (Dagstuhl Seminar 13472)

Authors: Philip Eardley, Marco Mellia, Jörg Ott, Jürgen Schönwälder, and Henning Schulzrinne

Published in: Dagstuhl Reports, Volume 3, Issue 11 (2014)


Abstract
This report documents the program and the outcomes of Dagstuhl Seminar 13472 "Global Measurement Framework".

Cite as

Philip Eardley, Marco Mellia, Jörg Ott, Jürgen Schönwälder, and Henning Schulzrinne. Global Measurement Framework (Dagstuhl Seminar 13472). In Dagstuhl Reports, Volume 3, Issue 11, pp. 144-153, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2014)


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@Article{eardley_et_al:DagRep.3.11.144,
  author =	{Eardley, Philip and Mellia, Marco and Ott, J\"{o}rg and Sch\"{o}nw\"{a}lder, J\"{u}rgen and Schulzrinne, Henning},
  title =	{{Global Measurement Framework (Dagstuhl Seminar 13472)}},
  pages =	{144--153},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2014},
  volume =	{3},
  number =	{11},
  editor =	{Eardley, Philip and Mellia, Marco and Ott, J\"{o}rg and Sch\"{o}nw\"{a}lder, J\"{u}rgen and Schulzrinne, Henning},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagRep.3.11.144},
  URN =		{urn:nbn:de:0030-drops-44401},
  doi =		{10.4230/DagRep.3.11.144},
  annote =	{Keywords: Internet measurements, Quality of experience, Network management, Traffic engineering}
}
Document
Information-centric networking -- Ready for the real world? (Dagstuhl Seminar 12361)

Authors: Ali Ghodsi, Börje Ohlman, Jörg Ott, Ignacio Solis, and Matthias Wählisch

Published in: Dagstuhl Reports, Volume 2, Issue 9 (2013)


Abstract
This report documents the program and the outcomes of Dagstuhl Seminar 12361 ``Information-centric networking -- Ready for the real world?''. The outcome of this seminar is based on individual talks, group work, and significant discussions among all participants. The topics range from application and performance aspects up to business, legal, and deployment questions. Even though significant progress is visible from the last Dagstuhl Seminar about ICN, there are still thrilling open research questions in all topic areas.

Cite as

Ali Ghodsi, Börje Ohlman, Jörg Ott, Ignacio Solis, and Matthias Wählisch. Information-centric networking -- Ready for the real world? (Dagstuhl Seminar 12361). In Dagstuhl Reports, Volume 2, Issue 9, pp. 1-14, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2013)


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@Article{ghodsi_et_al:DagRep.2.9.1,
  author =	{Ghodsi, Ali and Ohlman, B\"{o}rje and Ott, J\"{o}rg and Solis, Ignacio and W\"{a}hlisch, Matthias},
  title =	{{Information-centric networking -- Ready for the real world? (Dagstuhl Seminar 12361)}},
  pages =	{1--14},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2013},
  volume =	{2},
  number =	{9},
  editor =	{Ghodsi, Ali and Ohlman, B\"{o}rje and Ott, J\"{o}rg and Solis, Ignacio and W\"{a}hlisch, Matthias},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagRep.2.9.1},
  URN =		{urn:nbn:de:0030-drops-37877},
  doi =		{10.4230/DagRep.2.9.1},
  annote =	{Keywords: Information-centric, Network architecture, Application structure, Internet business models}
}
Document
10402 Abstracts Collection and Executive Summary – Inter-Vehicular Communication

Authors: Falko Dressler, Frank Kargl, Jörg Ott, Ozan K. Tonguz, and Lars Wischhof

Published in: Dagstuhl Seminar Proceedings, Volume 10402, Inter-Vehicular Communication (2011)


Abstract
From October 3 to October 6, 2010, the Dagstuhl Seminar 10402 ``Inter-Vehicular Communication'' was held in Schloss Dagstuhl~--~Leibniz Center for Informatics. During the seminar, several participants presented their current research, and ongoing work and open problems were discussed. Abstracts of the presentations given during the seminar are put together in this paper. The first section describes the seminar topics and goals in general.

Cite as

Falko Dressler, Frank Kargl, Jörg Ott, Ozan K. Tonguz, and Lars Wischhof. 10402 Abstracts Collection and Executive Summary – Inter-Vehicular Communication. In Inter-Vehicular Communication. Dagstuhl Seminar Proceedings, Volume 10402, pp. 1-7, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2011)


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@InProceedings{dressler_et_al:DagSemProc.10402.1,
  author =	{Dressler, Falko and Kargl, Frank and Ott, J\"{o}rg and Tonguz, Ozan K. and Wischhof, Lars},
  title =	{{10402 Abstracts Collection and Executive Summary – Inter-Vehicular Communication}},
  booktitle =	{Inter-Vehicular Communication},
  pages =	{1--7},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2011},
  volume =	{10402},
  editor =	{Falko Dressler and Frank Kargl and J\"{o}rg Ott and Ozan K. Tonguz and Lars Wischhof},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.10402.1},
  URN =		{urn:nbn:de:0030-drops-29299},
  doi =		{10.4230/DagSemProc.10402.1},
  annote =	{Keywords: Inter-Vehicular Communication, Car-2-Car, Car-2-X, Intelligent Transportation Systems}
}
Document
10402 Report – Working Group on Communication Patterns

Authors: Claudio Casetti, Falko Dressler, Lars Eggert, Felix Schmidt-Eisenlohr, Jerome Haerri, Ozan K. Tonguz, Jörg Ott, and Lars Wischhof

Published in: Dagstuhl Seminar Proceedings, Volume 10402, Inter-Vehicular Communication (2011)


Abstract
The objective of the working group communication patterns during the Dagstuhl Seminar on Vehicular Networks has been to review the current status of the communication patterns and principles and discuss the upcoming challenges the community will face in the near future. This is an executive summary of the discussions during the sessions.

Cite as

Claudio Casetti, Falko Dressler, Lars Eggert, Felix Schmidt-Eisenlohr, Jerome Haerri, Ozan K. Tonguz, Jörg Ott, and Lars Wischhof. 10402 Report – Working Group on Communication Patterns. In Inter-Vehicular Communication. Dagstuhl Seminar Proceedings, Volume 10402, pp. 1-3, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2011)


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@InProceedings{casetti_et_al:DagSemProc.10402.2,
  author =	{Casetti, Claudio and Dressler, Falko and Eggert, Lars and Schmidt-Eisenlohr, Felix and Haerri, Jerome and Tonguz, Ozan K. and Ott, J\"{o}rg and Wischhof, Lars},
  title =	{{10402 Report – Working Group on Communication Patterns}},
  booktitle =	{Inter-Vehicular Communication},
  pages =	{1--3},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2011},
  volume =	{10402},
  editor =	{Falko Dressler and Frank Kargl and J\"{o}rg Ott and Ozan K. Tonguz and Lars Wischhof},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.10402.2},
  URN =		{urn:nbn:de:0030-drops-29287},
  doi =		{10.4230/DagSemProc.10402.2},
  annote =	{Keywords: V2V, communication principles}
}
Document
10402 Report – Working Group on Fundamental Limits and Opportunities

Authors: Hannes Hartenstein, Geert Heijenk, Martin Mauve, Björn Scheuermann, and Lars Wolf

Published in: Dagstuhl Seminar Proceedings, Volume 10402, Inter-Vehicular Communication (2011)


Abstract
This working group investigated first steps towards finding a theoretical foundation for inter-vehicle communication. The main outcome is a sketch of a roadmap for future work in this direction.

Cite as

Hannes Hartenstein, Geert Heijenk, Martin Mauve, Björn Scheuermann, and Lars Wolf. 10402 Report – Working Group on Fundamental Limits and Opportunities. In Inter-Vehicular Communication. Dagstuhl Seminar Proceedings, Volume 10402, pp. 1-3, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2011)


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@InProceedings{hartenstein_et_al:DagSemProc.10402.3,
  author =	{Hartenstein, Hannes and Heijenk, Geert and Mauve, Martin and Scheuermann, Bj\"{o}rn and Wolf, Lars},
  title =	{{10402 Report – Working Group on Fundamental Limits and Opportunities}},
  booktitle =	{Inter-Vehicular Communication},
  pages =	{1--3},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2011},
  volume =	{10402},
  editor =	{Falko Dressler and Frank Kargl and J\"{o}rg Ott and Ozan K. Tonguz and Lars Wischhof},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.10402.3},
  URN =		{urn:nbn:de:0030-drops-29266},
  doi =		{10.4230/DagSemProc.10402.3},
  annote =	{Keywords: Inter-Vehicle Communication, Car-to-X Communication, Fundamental Limits}
}
Document
10402 Report – Working Group on Security and Privacy

Authors: Frank Kargl, Levente Buttyan, David Eckhoff, Panagiotis Papadimitratos, and Elmar Schoch

Published in: Dagstuhl Seminar Proceedings, Volume 10402, Inter-Vehicular Communication (2011)


Abstract
In the security working group, participants created an overview map of current topics in IVC security and privacy research that also includes an estimate of maturity of certain topics.

Cite as

Frank Kargl, Levente Buttyan, David Eckhoff, Panagiotis Papadimitratos, and Elmar Schoch. 10402 Report – Working Group on Security and Privacy. In Inter-Vehicular Communication. Dagstuhl Seminar Proceedings, Volume 10402, pp. 1-4, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2011)


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@InProceedings{kargl_et_al:DagSemProc.10402.4,
  author =	{Kargl, Frank and Buttyan, Levente and Eckhoff, David and Papadimitratos, Panagiotis and Schoch, Elmar},
  title =	{{10402 Report – Working Group on Security and Privacy}},
  booktitle =	{Inter-Vehicular Communication},
  pages =	{1--4},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2011},
  volume =	{10402},
  editor =	{Falko Dressler and Frank Kargl and J\"{o}rg Ott and Ozan K. Tonguz and Lars Wischhof},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.10402.4},
  URN =		{urn:nbn:de:0030-drops-29275},
  doi =		{10.4230/DagSemProc.10402.4},
  annote =	{Keywords: IVC, C2X, VANET, security, privacy}
}
Document
10403 Abstracts Collection – Impact of Human Mobility on Communications : Measurement, Analysis, Modeling, and Simulation

Authors: Kevin C. Almeroth, Gunnar Karlsson, Cecilia Mascolo, and Jörg Ott

Published in: Dagstuhl Seminar Proceedings, Volume 10403, Impact of Human Mobility on Communications : Measurement, Analysis, Modeling, and Simulation (2011)


Abstract
From 06.10.2010 to 09.10.2010, the Dagstuhl Seminar 10403 ``Impact of Human Mobility on Communications : Measurement, Analysis, Modeling, and Simulation'' was held in Schloss Dagstuhl~--~Leibniz Center for Informatics. During the seminar, several participants presented their current research, and ongoing work and open problems were discussed. Abstracts of the presentations given during the seminar as well as abstracts of seminar results and ideas are put together in this paper. The first section describes the seminar topics and goals in general. Links to extended abstracts or full papers are provided, if available.

Cite as

Kevin C. Almeroth, Gunnar Karlsson, Cecilia Mascolo, and Jörg Ott. 10403 Abstracts Collection – Impact of Human Mobility on Communications : Measurement, Analysis, Modeling, and Simulation. In Impact of Human Mobility on Communications : Measurement, Analysis, Modeling, and Simulation. Dagstuhl Seminar Proceedings, Volume 10403, pp. 1-6, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2011)


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@InProceedings{almeroth_et_al:DagSemProc.10403.1,
  author =	{Almeroth, Kevin C. and Karlsson, Gunnar and Mascolo, Cecilia and Ott, J\"{o}rg},
  title =	{{10403 Abstracts Collection – Impact of Human Mobility on Communications : Measurement, Analysis, Modeling, and Simulation}},
  booktitle =	{Impact of Human Mobility on Communications : Measurement, Analysis, Modeling, and Simulation},
  pages =	{1--6},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2011},
  volume =	{10403},
  editor =	{Kevin C. Almeroth and Gunnar Karlsson and Cecilia Mascolo and J\"{o}rg Otto},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.10403.1},
  URN =		{urn:nbn:de:0030-drops-29222},
  doi =		{10.4230/DagSemProc.10403.1},
  annote =	{Keywords: Human Mobility, Vehicular Mobility, Social Interactions, Mobile Networking}
}
Document
09071 Abstracts Collection – Delay and Disruption-Tolerant Networking (DTN) II

Authors: Kevin Fall, Cecilia Mascolo, Jörg Ott, and Lars Wolf

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


Abstract
From 08.02. to 11.02.2009, the Dagstuhl Seminar 09071 ``Delay and Disruption-Tolerant Networking (DTN) II '' was held in Schloss Dagstuhl~--~Leibniz Center for Informatics. During the seminar, several participants presented their current research, and ongoing work and open problems were discussed. Abstracts of the presentations given during the seminar as well as abstracts of seminar results and ideas are put together in this paper. The first section describes the seminar topics and goals in general. Links to extended abstracts or full papers are provided, if available.

Cite as

Kevin Fall, Cecilia Mascolo, Jörg Ott, and Lars Wolf. 09071 Abstracts Collection – Delay and Disruption-Tolerant Networking (DTN) II. In Delay and Disruption-Tolerant Networking (DTN) II. Dagstuhl Seminar Proceedings, Volume 9071, pp. 1-8, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2009)


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@InProceedings{fall_et_al:DagSemProc.09071.1,
  author =	{Fall, Kevin and Mascolo, Cecilia and Ott, J\"{o}rg and Wolf, Lars},
  title =	{{09071 Abstracts Collection – Delay and Disruption-Tolerant Networking (DTN) II}},
  booktitle =	{Delay and Disruption-Tolerant Networking (DTN) II},
  pages =	{1--8},
  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-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.09071.1},
  URN =		{urn:nbn:de:0030-drops-23603},
  doi =		{10.4230/DagSemProc.09071.1},
  annote =	{Keywords: DTN, simulations, mobility, MANET, delay-tolerant networking, ad-hoc networking, routing}
}
Document
09071 Executive Summary – Delay and Disruption-Tolerant Networking (DTN) II

Authors: Kevin Fall, Cecilia Mascolo, Jörg Ott, and Lars Wolf

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


Abstract
Today's Internet architecture and protocols, while perfectly suitable for well- connected users, may easily experience serious performance degradation and entirely stop working in more challenged networking environments. These correspondong scenarios all share two commonalities: that an end-to-end path between two communicating nodes may not exist at any single point in time and that communication delay may be significant. With the continued expansion of the Internet into new areas, these environments become commonplace and are no longer restricted to exotic sensing applications but are quickly becoming relevant to consumers in everyday life. Many attempts over recent years of incrementally fixing the Internet protocols in a bottom up fashion have only achieved partial successes, and a more fundamental approach is needed to address networking environments in which delays and disconnections may last for significant periods of time, and are the rule rather than the exception. Delay-tolerant Networking (DTN) has taken a more encompassing approach to dealing with virtually all types of connectivity challenges, from bit rate to errors to delays to disruptions. By providing a novel communication abstraction that relies exclusively on asynchronous hop-by-hop message passing with no need for instant end-to-end connectivity, DTN concepts enable communications even under adverse conditions. This comes, however, at the cost of interactivity of communications, rendering any kind state synchronization or validation more difficult and raising new challenges. These include routing protocols – that need to operate under often unknown future conditions, security mechanisms – that can no longer carry out instant key derivation or validation even if a security infrastructure was in place, and applica- tion protocols and paradigms – that can no longer rely on simple lower layer abstrac- tions promising (mostly) instant and reliable interactions.

Cite as

Kevin Fall, Cecilia Mascolo, Jörg Ott, and Lars Wolf. 09071 Executive Summary – Delay and Disruption-Tolerant Networking (DTN) II. In Delay and Disruption-Tolerant Networking (DTN) II. Dagstuhl Seminar Proceedings, Volume 9071, pp. 1-5, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2009)


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@InProceedings{fall_et_al:DagSemProc.09071.2,
  author =	{Fall, Kevin and Mascolo, Cecilia and Ott, J\"{o}rg and Wolf, Lars},
  title =	{{09071 Executive Summary – Delay and Disruption-Tolerant Networking (DTN) II}},
  booktitle =	{Delay and Disruption-Tolerant Networking (DTN) II},
  pages =	{1--5},
  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-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.09071.2},
  URN =		{urn:nbn:de:0030-drops-23574},
  doi =		{10.4230/DagSemProc.09071.2},
  annote =	{Keywords: DTN, simulations, mobility, MANET, delay-tolerant networking, ad-hoc networking, routing}
}
Document
On the Performance of Pedestrian Content Distribution

Authors: Gunnar Karlsson, Olafur Ragnar Helgason, and Vladimir Vukadinovic

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


Abstract
Mobile communication devices may be used for spreading multimedia data without support of an infrastructure. Such a scheme, where the data is carried by people walking around and relayed from device to device by means of short range radio, could potentially form a public content distribution system that spans vast urban areas. There are basically only three system parameters that can be determined in the design: the transmission range of the nodes, the setup time when nodes make a contact, and their storage capacity. The transport mechanism is the flow of people and it can be studied but not engineered. The question addressed in this paper is how well pedestrian content distribution may work. We answer this question by modeling the mobility of people moving around in a city, constrained by a given topology. The model is supplemented by simulation of similar or related scenarios for validation and extension. Our conclusion is that contents spread well with pedestrian speeds already at low arrival rates into a studied region. Our contributions are both the results on the feasibility of pedestrian content distribution and the queuing analytic model that captures the flow of people.

Cite as

Gunnar Karlsson, Olafur Ragnar Helgason, and Vladimir Vukadinovic. On the Performance of Pedestrian Content Distribution. In Delay and Disruption-Tolerant Networking (DTN) II. Dagstuhl Seminar Proceedings, Volume 9071, pp. 1-23, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2009)


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@InProceedings{karlsson_et_al:DagSemProc.09071.3,
  author =	{Karlsson, Gunnar and Helgason, Olafur Ragnar and Vukadinovic, Vladimir},
  title =	{{On the Performance of Pedestrian Content Distribution}},
  booktitle =	{Delay and Disruption-Tolerant Networking (DTN) II},
  pages =	{1--23},
  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-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.09071.3},
  URN =		{urn:nbn:de:0030-drops-23597},
  doi =		{10.4230/DagSemProc.09071.3},
  annote =	{Keywords: Content distribution, mobile peer-to-peer, ad hoc network, wireless network, mobile communication}
}
Document
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.

Cite as

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-dev.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}
}
Document
05142 Abstracts Collection – Disruption Tolerant Networking

Authors: Marcus Brunner, Lars Eggert, Kevin Fall, Jörg Ott, and Lars Wolf

Published in: Dagstuhl Seminar Proceedings, Volume 5142, Disruption Tolerant Networking (2005)


Abstract
From 03.04.05 to 06.04.05, the Dagstuhl Seminar 05142 ``Disruption Tolerant Networking'' was held in the International Conference and Research Center (IBFI), Schloss Dagstuhl. During the seminar, several participants presented their current research, and ongoing work and open problems were discussed. Abstracts of the presentations given during the seminar as well as abstracts of seminar results and ideas are put together in this paper. The first section describes the seminar topics and goals in general. Links to extended abstracts or full papers are provided, if available.

Cite as

Marcus Brunner, Lars Eggert, Kevin Fall, Jörg Ott, and Lars Wolf. 05142 Abstracts Collection – Disruption Tolerant Networking. In Disruption Tolerant Networking. Dagstuhl Seminar Proceedings, Volume 5142, pp. 1-9, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2005)


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@InProceedings{brunner_et_al:DagSemProc.05142.1,
  author =	{Brunner, Marcus and Eggert, Lars and Fall, Kevin and Ott, J\"{o}rg and Wolf, Lars},
  title =	{{05142 Abstracts Collection – Disruption Tolerant Networking}},
  booktitle =	{Disruption Tolerant Networking},
  pages =	{1--9},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2005},
  volume =	{5142},
  editor =	{Marcus Brunner and Lars Eggert and Kevin Fall and J\"{o}rg Ott and Lars Wolf},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.05142.1},
  URN =		{urn:nbn:de:0030-drops-3524},
  doi =		{10.4230/DagSemProc.05142.1},
  annote =	{Keywords: Mobile networking, disconnected operation, delay-tolerant networking, internet protocols, transport protocols, ad-hoc networking, intermittent connectivity}
}
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