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@Inproceedings { 2012-mass-wirtz-dlsd,
   title = {DHT-based Localized Service Discovery in Wireless Mesh Networks},
   year = {2012},
   month = {10},
   pages = {10 S.},
   url = {fileadmin/papers/2012/2012-mass-wirtz-dlsd.pdf},
   misc2 = {Online},
   publisher = {IEEE Computer Society},
   address = {Washington, DC, USA},
   booktitle = {Proceedings of The Ninth IEEE International Conference on Mobile Ad-hoc and Sensor Systems (IEEE MASS 2012), October 8-11 2012, Las Vegas, NV, USA},
   event_place = {Las Vegas, USA},
   event_name = {Ninth IEEE International Conference on Mobile Ad-hoc and Sensor Systems (IEEE MASS 2012)},
   event_date = {8-11 October 2012},
   language = {en},
   ISBN = {978-1-4673-2433-5},
   DOI = {10.1109/MASS.2012.6502498},
   reviewed = {1},
   author = {Wirtz, Hanno and Heer, Tobias and Serror, Martin and Wehrle, Klaus}
}

@Inproceedings { 2012-hummen-seams,
   title = {SEAMS: A Signaling Layer for End-host-Assisted Middlebox Services},
   year = {2012},
   month = {6},
   day = {25},
   pages = {525--532},
   url = {fileadmin/papers/2012/2012-hummen-seams.pdf},
   booktitle = {Proceedings of the 11th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (IEEE TrustCom-12)},
   organization = {IEEE},
   event_place = {Liverpool, United Kingdom},
   language = {en},
   ISBN = {978-1-4673-2172-3},
   DOI = {10.1109/TrustCom.2012.250},
   reviewed = {1},
   author = {Hummen, Ren{\'e} and Ziegeldorf, Jan Henrik and Heer, Tobias and Wirtz, Hanno and Wehrle, Klaus}
}

@Inproceedings { WirtzHHW2012,
   title = {Mesh-DHT: A Locality-Based Distributed Look-Up Structure for Wireless Mesh Networks},
   year = {2012},
   month = {6},
   day = {14},
   pages = {653-658},
   url = {fileadmin/papers/2012/2012_wirtz_icc_mesh_dht.pdf},
   misc2 = {Print Online},
   publisher = {IEEE},
   booktitle = {Proceedings of the IEEE International Conference on Communications (ICC 2012), Ottawa, Canada},
   event_place = {Ottawa, Canada},
   event_name = {ICC 2012},
   event_date = {10.-15.06.2012},
   language = {en},
   ISBN = {978-1-4577-2051-2},
   DOI = {10.1109/ICC.2012.6364336},
   reviewed = {1},
   author = {Wirtz, Hanno and Heer, Tobias and Hummen, Ren{\'e} and Wehrle, Klaus}
}

@Phdthesis { heer2011direct,
   title = {Direct End-to-Middle Authentication in Cooperative Networks},
   year = {2012},
   month = {2},
   day = {7},
   url = {http://darwin.bth.rwth-aachen.de/opus3/volltexte/2012/3938/},
   publisher = {Shaker},
   address = {Aachen, Germany},
   series = {Reports on Communications and Distributed Systems},
   edition = {3},
   school = {RWTH Aachen University},
   institute = {Chair for Communication and Distributed Systems},
   type = {Ph.D. Thesis},
   ISBN = {978-3-8440-0710-7},
   reviewed = {1},
   author = {Heer, Tobias}
}

@Inproceedings { 2011-wirtz-kaleidoscope,
   title = {Cooperative Wi-Fi-Sharing: Encouraging Fair Play},
   year = {2011},
   month = {12},
   day = {14},
   tags = {mobile_access},
   url = {fileadmin/papers/2011/2011-wirtz-kaleidoscope.pdf},
   misc = {Online},
   address = {ITU},
   booktitle = {Proceedings of the ITU-T Kaleidoscope Event 2011, Cape Town, South Africa},
   event_place = {Cape Town, South Africa},
   event_name = {ITU-T Kaleidoscope: The fully networked human?},
   event_date = {2011-12-12},
   language = {en},
   ISBN = {978-92-61-13651-2},
   reviewed = {1},
   author = {Wirtz, Hanno and Hummen, Ren{\'e} and Viol, Nicolai and Heer, Tobias and Lora Gir{\'o}n, M{\'o}nica Alejandra and Wehrle, Klaus}
}

@Inproceedings { Varj1112:Secure,
   title = {Secure Resolution of {End-Host} Identifiers for Mobile Clients},
   year = {2011},
   month = {12},
   day = {5},
   abstract = {Many efforts of the network research community focus on the introduction ofa new identifier to relieve the IP address from its dual role of end-hostidentifier and routable locator. This identifier-locator split introduces anew identifier between human readable domain names and routable IPaddresses. Mapping between identifiers and locators requires additionalname mapping mechanisms because their relation is not trivial. Despite itspopularity and efficiency, the DNS system is not a perfect choice forperforming this mapping because identifiers are not hierarchicallystructured and mappings are frequently updated by users. In this paper wediscuss the features needed to resolve flat identifiers to locators in asecure manner. In particular, we focus on the features and the performancethat identifier-locator split protocols require from a mapping system. Tothis end, we consider a mapping system for an identifier-locator splitbased mobility solution and evaluate its performance. IndexTerms—Identifier-locator split, Name resolution, Host Identity Protocol,Security, DNS, DHT, OpenDHT},
   keywords = {DHT; DNS; Host Identity Protocol; Security; Identifier-locator split; Nameresolution},
   url = {fileadmin/papers/2011/2011-varjonen-secure.pdf},
   misc2 = {Online},
   publisher = {IEEE},
   address = {Piscataway, NJ, USA},
   booktitle = {IEEE GLOBECOM 2011 - Next Generation Networking Symposium (GC'11 - NGN), Awarded the NGN Best Paper Award},
   state = {accepted},
   language = {en},
   ISBN = {978-1-4244-9268-8},
   ISSN = {1930-529X},
   reviewed = {1},
   author = {Varjonen, Samu and Heer, Tobias and Rimey, Kenneth and Gurtov, Andrei}
}

@Article { 2011-heer-iot-journal,
   title = {Security Challenges in the IP-based Internet of Things},
   journal = {Springer Wireless Personal Communications Journal},
   year = {2011},
   month = {10},
   volume = {61},
   number = {3},
   pages = {527-542},
   abstract = {A direct interpretation of the term Internet of Things refers to the use of standard Internet protocols for the human-to-thing or thing-to-thing communication in embedded networks. Although the security needs are well-recognized in this domain, it is still not fully understood how existing IP security protocols and architectures can be deployed. In this paper, we discuss the applicability and limitations of existing Internet protocols and security architectures in the context of the Internet of Things. First, we give an overview of the deployment model and general security needs. We then present challenges and requirements for IP-based security solutions and highlight specific technical limitations of standard IP security protocols.},
   tags = {iotsec},
   url = {fileadmin/papers/2011/2011-heer-iot-challenges.pdf},
   misc2 = {Online},
   publisher = {Springer},
   address = {Netherlands},
   language = {en},
   ISSN = {0929-6212},
   DOI = {10.1007/s11277-011-0385-5},
   reviewed = {1},
   author = {Heer, Tobias and Garcia-Morchon, Oscar and Hummen, Ren{\'e} and Keoh, Sye Loong and Kumar, Sandeep S. and Wehrle, Klaus}
}

@Inproceedings { 2011-wirtz-chants,
   title = {Establishing Mobile Ad-Hoc Networks in 802.11 Infrastructure Mode},
   year = {2011},
   month = {9},
   day = {23},
   url = {fileadmin/papers/2011/2011-wirtz-chants.pdf},
   misc = {Online},
   publisher = {ACM},
   address = {New York, NY, USA},
   booktitle = {Proceedings of the ACM MobiCom Workshop on Challenged Networks (Chants 2011), Las Vegas, NV, USA},
   event_place = {Las Vegas, NV, USA},
   event_name = {ACM MobiCom Workshop on Challenged Networks (Chants 2011)},
   event_date = {2011-09-23},
   language = {en},
   ISBN = {978-1-4503-0870-0},
   DOI = {10.1145/2030652.2030666},
   reviewed = {1},
   author = {Wirtz, Hanno and Heer, Tobias and Backhaus, Robert and Wehrle, Klaus}
}

@Inproceedings { 2011-hummen-pisa-demo,
   title = {PISA-SA - Security and Mobility in a Collaborative Muni-Fi (Demo Abstract)},
   year = {2011},
   month = {6},
   day = {15},
   volume = {15},
   pages = {35--36},
   tags = {mobile_access},
   url = {fileadmin/papers/2011/2011-hummen-wisec-pisa-sa-demo.pdf},
   misc2 = {Online},
   publisher = {ACM},
   address = {New York, NY, USA},
   booktitle = {Proceedings of the fourth ACM Conference on Wireless Network Security, Hamburg, Germany},
   event_place = {Hamburg, Germany},
   event_name = {Wireless Network Security 2011 (WiSec 2011)},
   language = {en},
   ISSN = {1559-1662},
   DOI = {10.1145/2073290.2073297},
   reviewed = {1},
   author = {Hummen, Ren{\'e} and Wirtz, Hanno and Viol, Nicolai and Heer, Tobias and Wehrle, Klaus}
}

@Inproceedings { 2011-nsdi-slicetime-weingaertner,
   title = {SliceTime: A platform for scalable and accurate network emulation},
   year = {2011},
   month = {3},
   day = {30},
   url = {https://www.comsys.rwth-aachen.de/fileadmin/papers/2011/2011-weingaertner-nsdi-slicetime-camera_ready_14P.pdf},
   misc2 = {Online},
   publisher = {USENIX},
   address = {Berkeley, CA, USA},
   booktitle = {Proceedings of the 8th USENIX Symposium on Networked Systems Design and Implementation (NSDI '11), Boston, MA, USA},
   event_place = {Boston, Massachusetts},
   language = {en},
   reviewed = {1},
   author = {Weingaertner, Elias and Schmidt, Florian and vom Lehn, Hendrik and Heer, Tobias and Wehrle, Klaus}
}

@Miscellaneous { 2011-hummen-adaptationlayer,
   title = {A Security Protocol Adaptation Layer for the IP-based Internet of Things (Position Paper)},
   year = {2011},
   month = {3},
   day = {25},
   tags = {iotsec},
   url = {fileadmin/papers/2011/2011-hummen-smartobjects-adaptationlayer.pdf},
   misc2 = {Online},
   howpublished = {Interconnecting Smart Objects with the Internet Workshop},
   language = {en},
   reviewed = {1},
   author = {Hummen, Ren{\'e} and Heer, Tobias and Wehrle, Klaus}
}

@Proceedings { 2010-wirtz-kuvs-service-overlay,
   title = {A Generic Service Overlay for Wireless Mesh Networks},
   year = {2010},
   month = {10},
   abstract = {Service discovery in traditional networks is realized either by broadcasting requests in the network or by a central entity that holds the necessary information of every service in the network. These techniques are applicable in wireless networks as well, however, only under certain limiting conditions. The authors present a generic overlay that caters to the special requirements of providing and discovering services in wireless mesh networks. The focus of  the  approach lies on maintaining scalability in large-scale dynamic networks as well as routing efficiency with regard to the communication characteristics of the underlying network.},
   affiliation = {RWTH Aachen University - ComSys},
   note = {/fileadmin/papers/2010/2010-wirtz-kuvs-service-overlay.pdf},
   publisher = {Gesellschaft f{\"u}r Informatik KuVS},
   address = {Berlin, Germany},
   booktitle = {3rd GI/ITG KuVS Fachgespr{\"a}ch on NG SDPs, Berlin, Germany},
   event_place = {Berlin, Germany},
   event_name = {3rd GI/ITG KuVS Fachgespr{\"a}ch on NG SDPs},
   event_date = {October 14, 2010},
   language = {english},
   author = {Wirtz, Hanno and Heer, Tobias and Wehrle, Klaus}
}

@Inproceedings { 2010-heer-pisa-sa,
   title = {PiSA-SA: Municipal Wi-Fi Based on Wi-Fi Sharing},
   year = {2010},
   month = {8},
   day = {2},
   volume = {1},
   pages = {588-593},
   abstract = {With the goal of providing ubiquitous wireless services (e.g., tourist guides, environmental information, pedestrian navigation), municipal wireless networks are currently being established all around the world. For municipalities, it is often challenging to achieve the bandwidth and coverage that is necessary for many of the envisioned network services. At the same time, Wi-Fi-sharing communities achieve high bandwidth and good coverage at a very low cost by capitalizing on the dense deployment of private access points in urban areas. However, from a technical, conceptual, and security perspective, Wi-Fi sharing community networks resemble a patchwork of heterogeneous networks instead of one well-planned city-wide network. This patchwork character stands in stark contrast to a uniform, secure platform for public and commercial services desirable for the economic success of such a network. Hence, despite its cost-efficiency, the community-based approach cannot be adopted by municipalities easily. In this paper, we show how to realize municipal wireless services on top of a Wi-Fi-sharing infrastructure in a technically sound and economically attractive fashion. In particular, we focus on how to securely provide services to mobile clients with and without client-side software support. Our solution cleanly separates the roles of controlling and administering the network from providing bandwidth and wireless access. With this separation, commercial ISPs and citizens with their private Wi-Fi can contribute to the network infrastructure. This allows municipalities in turn to focus their resources on municipal wireless services.},
   tags = {mobile_access},
   url = {http://www.comsys.rwth-aachen.de/fileadmin/papers/2010/2010-heer-icc-pisa-sa.pdf},
   misc2 = {Print},
   publisher = {IEEE Press},
   address = {Washington, DC, USA},
   booktitle = {International Conference on Computer Communication Networks, ICCCN 2010, Zurich},
   event_place = {Zurich, Switzerland},
   event_name = {International Conference on Computer Communication Networks, ICCCN 2010},
   language = {en},
   ISBN = {978-1-4244-7114-0},
   DOI = {10.1109/ICCCN.2010.5560103},
   reviewed = {1},
   author = {Heer, Tobias and Jansen, Thomas and Hummen, Ren{\'e} and Wirtz, Hanno and G{\"o}tz, Stefan and Weingaertner, Elias and Wehrle, Klaus}
}

@Inproceedings { 2010-percomws-heer-munifi,
   title = {Collaborative Municipal Wi-Fi Networks - Challenges and Opportunities},
   journal = {Proceedings of the Sixth IEEE PerCom Workshop on Pervasive Wireless Networking (PWN 2010), IEEE.},
   year = {2010},
   month = {4},
   day = {2},
   volume = {1},
   pages = {588 - 593},
   abstract = {Municipal Wi-Fi networks aim at providing Internet access and selected mobile network services to citizens, travelers, and civil servants. The goals of these networks are to bridge the digital divide, stimulate innovation, support economic growth, and increase city operations efficiency. While establishing such urban networks is financially challenging for municipalities, Wi-Fi-sharing communities accomplish good coverage and ubiquitous Internet access by capitalizing on the dense deployment of private access points in urban residential areas. By combining Wi-Fi communities and municipal Wi-Fi, a collaborative municipal Wi-Fi system promises cheap and ubiquitous access to mobile city services. However, the differences in intent, philosophy, and technical realization between community and municipal Wi-Fi networks prevent a straight-forward combination of both approaches. In this paper, we highlight the conceptual and technical challenges that need to be solved to create collaborative municipal Wi-Fi networks.},
   tags = {mobile_access},
   url = {http://www.comsys.rwth-aachen.de/fileadmin/papers/2010/2010-heer-percomws-collaborative-municipal-wi-fi.pdf},
   misc2 = {Print},
   publisher = {IEEE Press},
   address = {Washington, DC, USA},
   booktitle = {Proceedings of the Sixth IEEE PerCom Workshop on Pervasive Wireless Networking (PWN 2010), Mannheim, Germany.},
   event_place = {Mannheim, Germany},
   event_name = {Sixth IEEE PerCom Workshop on Pervasive Wireless Networking (PWN 2010)},
   event_date = {April 02, 2010},
   language = {en},
   ISBN = {978-1-4244-6605-4},
   DOI = {10.1109/PERCOMW.2010.5470505},
   author = {Heer, Tobias and Hummen, Ren{\'e} and Viol, Nicolai and Wirtz, Hanno and G{\"o}tz, Stefan and Wehrle, Klaus}
}

@Inproceedings { securityforpervasivemedicalsensornetworks,
   title = {Security for Pervasive Medical Sensor Networks},
   year = {2009},
   month = {7},
   day = {13},
   volume = {1},
   url = {http://www.comsys.rwth-aachen.de/fileadmin/papers/2009/2009-garcia-mobiq.pdf},
   misc2 = {Print},
   publisher = {IEEE Press},
   address = {Washington, DC, USA},
   booktitle = {6th Annual International Conference on Mobile and Ubiquitous Systems (MobiQuitous 2009), Toronto},
   organization = {ICST/IEEE},
   event_place = {Toronto, CAN},
   event_name = {6th Annual International Conference on Mobile and Ubiquitous Systems (MobiQuitous 2009)},
   language = {en},
   ISBN = {978-963-9799-59-2},
   DOI = {10.4108/ICST.MOBIQUITOUS2009.6832},
   reviewed = {1},
   author = {Garcia-Morchon, Oscar and Falck, Thomas and Heer, Tobias and Wehrle, Klaus}
}

@Article { 2009-pik-heer-leicht,
   title = {Leichtgewichtge Sicherheitsmechanismen f{\"u}r das Host Identity Protocol},
   journal = {PIK Journal},
   year = {2009},
   month = {1},
   volume = {32},
   number = {1/09},
   pages = {48-52},
   note = {Diploma Thesis Award Article},
   misc2 = {Print},
   publisher = {K.G. Saur Verlag},
   address = {Munich, Germany},
   language = {de},
   ISSN = {0930-5157},
   author = {Heer, Tobias}
}

@Article { inproceedingsreference200903099502213244,
   title = {Time accurate integration of software prototypes with event-based network simulations},
   journal = {Proceedings of the 11th Joint International Conference on Measurement and Modeling of Computer Systems (SIGMETRICS/Performance 2009)},
   year = {2009},
   volume = {37},
   number = {2},
   pages = {49-50},
   note = {Accepted as poster presentation.},
   url = {https://www.comsys.rwth-aachen.de/fileadmin/papers/2009/2009-weingaertner-time-accurate-sigmetrics09.pdf},
   misc2 = {Print},
   publisher = {ACM SIGMETRICS},
   address = {New York, NY, USA},
   organization = {ACM},
   language = {en},
   ISSN = {0163-5999},
   DOI = {10.1145/1639562.1639580},
   reviewed = {1},
   author = {Weingaertner, Elias and Schmidt, Florian and Heer, Tobias and Wehrle, Klaus}
}

@Inproceedings { 200906MobiArchgoetzprotocolorchestration,
   title = {Protocol Orchestration: A Semantic Approach to Communication Stacks},
   year = {2009},
   pages = {43-50},
   abstract = {The diversity of today's networking environments, such as wired, wireless, cell-based, or multi-hop, is matched by an equally large amount and heterogeneity of specialized protocols, e.g., overlays, Wi-Fi positioning, MANET routing, cross-layer signaling. However, communication is typically performed with a static set of protocols selected at design time based on simplified assumptions ignoring the environment's heterogeneity. In this paper, we argue that protocols can be orchestrated as software components driven purely by their functionality and the demands of the execution environment. Our end-system protocol framework Adapt bases on extensible ontological models that semantically describe protocol and environment properties. At runtime, each connection receives a custom-tailored protocol stack that Adapt orchestrates from the requirements derived from the application, user, and environment. With this approach, end-systems can reason about the functionality and quality of automatically composed and adapted protocol compounds while remaining open to existing and future protocols.},
   url = {https://www.comsys.rwth-aachen.de/fileadmin/papers/2009/2009-goetz-mobiarch-protocol-orchestration.pdf},
   misc2 = {print},
   editor = {Krzysztof Zielinski and Adam Wolisz and Jason Flinn and Anthony LaMarca},
   publisher = {ACM},
   address = {New York, NY, USA},
   howpublished = {print},
   booktitle = {Proceedings of the Fourth ACM International Workshop on Mobility in the Evolving Internet Architecture (ACM MobiArch '09)},
   organization = {ACM Sigcomm/Sigmobile},
   event_place = {Krakow, Poland},
   event_name = {Fourth ACM International Workshop on Mobility in the Evolving Internet Architecture (ACM MobiArch '09), Krakow, Poland},
   event_date = {2009-06-22},
   language = {en},
   reviewed = {1},
   author = {G{\"o}tz, Stefan and Heer, Tobias and Wehrle, Klaus}
}

@Inproceedings { 2009morchonpodckeyagreementwsn,
   title = {Lightweight Key Agreement and Digital Certificates for Wireles Sensor Networks},
   year = {2009},
   volume = {1},
   pages = {326-327},
   note = {Brief Announcement},
   misc2 = {Print},
   publisher = {ACM},
   address = {New York, NY, USA},
   booktitle = {Proceedings of the 28th ACM SIGACT-SIGOPS Symposium on Principles of Distributed Computing (PODC 2009), Calgary},
   event_place = {Calgary, CN},
   event_name = {28th ACM SIGACT-SIGOPS Symposium on Principles of Distributed Computing (PODC 2009)},
   language = {en},
   ISBN = {978-963-9799-59-2},
   DOI = {10.1145/1582716.1582791},
   reviewed = {1},
   author = {Garcia-Morchon, Oscar and Heer, Tobias and Tolhuizen, Ludo and Wehrle, Klaus}
}

@Inproceedings { 2009-icc-heer-middleboxes,
   title = {End-host Authentication and Authorization for Middleboxes based on a Cryptographic Namespace},
   year = {2009},
   volume = {1},
   pages = {791-796},
   abstract = {Today, middleboxes such as firewalls and network address translators have advanced beyond simple packet forwarding and address mapping. They also inspect and filter traffic, detect network intrusion, control access to network resources, and enforce different levels of quality of service. The cornerstones for these security-related network services are end-host authentication and authorization. Using a cryptographic namespace for end-hosts simplifies these tasks since it gives them an explicit and verifiable identity. The Host Identity Protocol (HIP) is a key-exchange protocol that introduces such a cryptographic namespace for secure end-to-end communication. Although HIP was designed with middleboxes in mind, these cannot securely use its namespace because the on-path identity verification is susceptible to replay attacks. Moreover, the binding between HIP as an authentication protocol and IPsec as payload transport is insufficient because on-path middleboxes cannot securely map payload packets to a HIP association. In this paper, we propose to prevent replays attack by treating packet-forwarding middleboxes as first-class citizens that directly interact with end-hosts. Also we propose a method for strengthening the binding between the HIP authentication process and its payload channel with hash-chain-based authorization tokens for IPsec. Our solution allows on-path middleboxes to efficiently leverage cryptographic end-host identities and integrates cleanly into existing protocol standards.},
   tags = {mobile_access},
   url = {http://www.comsys.rwth-aachen.de/fileadmin/papers/2009/2009-heer-icc-end-host-authentication.pdf},
   misc2 = {Print},
   publisher = {Piscataway, NJ, USA},
   address = {Dresden, Germany},
   booktitle = {Proceedings of the IEEE International Conference on Communications 2009 (ICC 2009), Dresden, Gemany},
   organization = {IEEE},
   event_place = {Dresden, Germany},
   event_name = {IEEE International Conference on Communications 2009 (ICC 2009)},
   language = {en},
   ISBN = {978-1-4244-3435-0},
   ISSN = {1938-1883},
   DOI = {10.1109/ICC.2009.5198984},
   reviewed = {1},
   author = {Heer, Tobias and Hummen, Ren{\'e} and Komu, Miika and G{\"o}tz, Stefan and Wehrle, Klaus}
}

@Inproceedings { goetz2008adapt,
   title = {ADAPT: A Semantics-Oriented Protocol Architecture},
   year = {2008},
   month = {12},
   day = {10},
   volume = {5343/2008},
   pages = {287-292},
   abstract = {Although modularized protocol frameworks are flexible and adaptive to the increasing heterogeneity of networking environments, it remains a challenge to automatically compose communication stacks from protocol modules. The typical static classification into network layers or class hierarchies cannot appropriately accommodate cross-cutting changes such as overlay routing or cross-layer signaling. In this paper, we discuss how protocol composition can be driven by functionality and demand at runtime based on extensible semantic models of protocols and their execution environment. Such an approach allows to reason about the functionality and quality of automatically composed and adapted protocol compounds and it is open to existing and future protocols.},
   url = {https://www.comsys.rwth-aachen.de/fileadmin/papers/2008/2008-goetz-mobiarch-adapt.pdf},
   misc2 = {Print},
   editor = {Karin Anna Hummel and James P. G. Sterbenz},
   publisher = {Springer-Verlag},
   address = {Tiergartenstra{\ss}e 17, 69121 Heidelberg, Germany},
   series = {Lecture Notes in Computer Science},
   booktitle = {Proceedings of the 3rd International Workshop on Self-Organizing Systems, Vienna, Austria},
   event_place = {Vienna, Austria},
   event_name = {3rd International Workshop on Self-Organizing Systems (IWSOS)},
   event_date = {2008-12-10},
   language = {en},
   ISBN = {978-3-540-92156-1},
   DOI = {10.1007/978-3-540-92157-8\textbackslash_27},
   reviewed = {1},
   author = {G{\"o}tz, Stefan and Beckel, Christian and Heer, Tobias and Wehrle, Klaus}
}

@Inproceedings { heer-2008-conext-alpha,
   title = {ALPHA: an adaptive and lightweight protocol for hop-by-hop authentication},
   year = {2008},
   month = {12},
   volume = {1},
   pages = {23:1--23:12},
   url = {http://www.comsys.rwth-aachen.de/fileadmin/papers/2008/2008-heer-conext-alpha.pdf},
   misc2 = {Print},
   publisher = {ACM},
   address = {New York, NY, USA},
   series = {CoNEXT '08},
   booktitle = {Proceedings of the 2008 ACM CoNEXT Conference, Madrid, Spain},
   event_place = {Madrid, Spain},
   event_name = {ACM Conext 2008},
   event_date = {December 2008},
   language = {en},
   ISBN = {978-1-60558-210-8},
   DOI = {10.1145/1544012.1544035},
   reviewed = {1},
   author = {Heer, Tobias and G{\"o}tz, Stefan and Garcia-Morchon, Oscar and Wehrle, Klaus}
}

@Conference { 2008-heer-pisa-full,
   title = {Secure Wi-Fi Sharing at Global Scales},
   year = {2008},
   month = {6},
   day = {16},
   volume = {1},
   pages = {1-7},
   abstract = {The proliferation of broadband Internet connections has lead to an almost pervasive coverage of densely populated areas with private wireless access points. To leverage this coverage, sharing of access points as Internet uplinks among users has first become popular in communities of individuals and has recently been adopted as a business model by several companies. However, existing implementations and proposals suffer from the security risks of directly providing Internet access to strangers. In this paper, we present the P2P Wi-Fi Internet Sharing Architecture PISA, which eliminates these risks by introducing secure tunneling, cryptographic identities, and certificates as primary security concepts. Thus, PISA offers nomadic users the same security that they expect from a wired Internet connection at home. Based on its three fundamental mechanisms, PISA achieves a flexibility which opens significant advantages over existing systems. They include user mobility, anonymity, service levels with different performance and availability characteristics, and different revenue models for operators. With this combination of key features, PISA forms an essential basis for global, seamless, and secure Wi-Fi sharing for large communities.},
   tags = {mobile_access},
   url = {http://www.comsys.rwth-aachen.de/fileadmin/papers/2008/2008-heer-ict-secure-wifi.pdf},
   misc2 = {Print},
   publisher = {IEEE},
   address = {Washington, DC, USA},
   booktitle = {Proc. of 15th International Conference on Telecommunication (ICT), St. Petersburg, Russian Federation},
   event_place = {St. Petersburg, Russian Federation},
   event_name = {15th International Conference on Telecommunication (ICT)},
   event_date = {16-19 June 2008},
   language = {en},
   ISBN = {978-1-4244-2035-3},
   reviewed = {1},
   author = {Heer, Tobias and G{\"o}tz, Stefan and Weingaertner, Elias and Wehrle, Klaus}
}

@Article { 200808WeingaertnerSIGMETRICSPERSyncNetWorkEmulation,
   title = {Synchronized network emulation: matching prototypes with complex simulations},
   journal = {SIGMETRICS Performance Evaluation Review},
   year = {2008},
   volume = {36},
   number = {2},
   pages = {58-63},
   abstract = {Network emulation, in which real systems interact with a network simulation, is a common evaluation method in computer networking research. Until now, the simulation in charge of representing the network has been required to be real-time capable, as otherwise a time drift between the simulation and the real network devices may occur and corrupt the results. In this paper, we present our work on synchronized network emulation. By adding a central synchronization entity and by virtualizing real systems for means of control, we can build-up network emulations which contain both unmodified x86 systems and network simulations of any complexity.},
   note = {This is a revised version of a paper originally presented at the ACM HotMetrics 2008 workshop.},
   misc2 = {print},
   language = {en},
   ISSN = {0163-5999},
   DOI = {10.1145/1453175.1453185},
   reviewed = {1},
   author = {Weingaertner, Elias and Schmidt, Florian and Heer, Tobias and Wehrle, Klaus}
}

@Inbook { 2008-heer-hipbook-lhip,
   title = {Lightweight HIP},
   year = {2008},
   volume = {1},
   pages = {121-163},
   url = {http://eu.wiley.com/WileyCDA/WileyTitle/productCd-0470997907.html},
   misc2 = {Print},
   editor = {Andrei Gurtov},
   publisher = {Wiley and Sons},
   address = {West Sussex, England, UK},
   chapter = {8},
   booktitle = {Host Identity Protocol (HIP): Towards the Secure Mobile Internet},
   language = {en},
   ISBN = {978-0-470-99790-1},
   author = {Heer, Tobias}
}

@Inbook { 2008-heer-hipbook-security,
   title = {Introduction to Network Security},
   year = {2008},
   volume = {1},
   pages = {13-42},
   url = {http://eu.wiley.com/WileyCDA/WileyTitle/productCd-0470997907.html},
   misc2 = {Print},
   editor = {Andrei Gurtov},
   publisher = {Wiley and Sons},
   address = {West Sussex, England, UK},
   chapter = {2},
   booktitle = {Host Identity Protocol (HIP): Towards the Secure Mobile Internet},
   language = {en},
   ISBN = {978-0-470-99790-1},
   author = {Heer, Tobias}
}

@Inproceedings { 2007-heer-pisa,
   title = {PISA: P2P Wi-Fi Internet Sharing Architecture},
   journal = {Seventh IEEE International Conference on Peer-to-Peer Computing, P2P 2007},
   year = {2007},
   month = {9},
   day = {2},
   volume = {1},
   pages = {251-252},
   url = {http://www.comsys.rwth-aachen.de/fileadmin/papers/2007/2007-p2p-heer-pisa.pdf},
   misc2 = {Print},
   publisher = {IEEE},
   address = {Washington, DC, USA},
   booktitle = {Proceedings of the Seventh IEEE International Conference on Peer-to-Peer Computing, 2007. P2P 2007, Galway, Ireland.},
   event_place = {Galway, Ireland},
   event_name = {Seventh IEEE International Conference on Peer-to-Peer Computing, 2007. P2P 2007.},
   language = {en},
   ISBN = {978-0-7695-2986-8},
   DOI = {10.1109/P2P.2007.12},
   reviewed = {1},
   author = {Heer, Tobias and Li, Shaohui and Wehrle, Klaus}
}

@Article { LandsiedelEtAl2007,
   title = {MHT: A Mobility-Aware Distributed Hash Table},
   journal = {Special Issue on Peer-to-Peer of the it - Information Technology Journal},
   year = {2007},
   volume = {49},
   number = {5},
   pages = {298-303},
   abstract = {Mobile ad-hoc networks and distributed hash tables share key characteristics in terms of self organization, decentralization, redundancy requirements, and limited infrastructure. However, node mobility and the continually changing physical topology pose a special challenge to scalability and the design of a DHT for mobile ad-hoc networks. In this paper, we show that with some local knowledge we can build a scalable and mobile structured peer-to-peer network, called Mobile Hash Table (MHT). Furthermore, we discuss practical challenges such as Churn, load balacing and security of the Mobile Hash Table. A special focus is put on the differences and new challenges that the use of a DHT in a mobile environment poses.},
   note = {http://it-Information-Technology.de},
   misc2 = {Print},
   publisher = {Oldenbourg Verlag},
   address = {Munich, Germany},
   language = {en},
   ISSN = {1611-2776},
   reviewed = {1},
   author = {Landsiedel, Olaf and Heer, Tobias and Wehrle, Klaus}
}

@Inproceedings { GarciaMorchonEtAl2007,
   title = {Cooperative Security in Distributed Sensor Networks},
   year = {2007},
   volume = {1},
   misc2 = {Print},
   publisher = {IEEE},
   address = {Washington, DC, USA},
   series = {1},
   booktitle = {Proceedings of the third International Conference on Collaborative Computing: Networking, Applications and Worksharing, CollaborateCom 2007},
   organization = {IEEE},
   event_name = {CollaborateCom},
   language = {en},
   ISBN = {978-1-4244-1318-8},
   reviewed = {1},
   author = {Garcia-Morchon, Oscar and Baldus, Heribert and Heer, Tobias and Wehrle, Klaus}
}

@Inproceedings { 2006-heer-percomws-adapt-dht,
   title = {Adapting Distributed Hash Tables for Mobile Ad Hoc Networks},
   year = {2006},
   month = {3},
   day = {16},
   volume = {1},
   pages = {1-6},
   url = {http://www.comsys.rwth-aachen.de/fileadmin/papers/2005/2006-heer-percomws-dht-adhoc.pdf},
   misc2 = {Print},
   publisher = {IEEE},
   address = {Washington, DC, USA},
   booktitle = {In Proceedings of 3. IEEE International Workshop on Mobile Peer-to-Peer Computing (MP2P'06), Pisa, Italy.},
   event_place = {Pisa, Italy},
   event_name = {IEEE International Workshop on Mobile Peer-to-Peer Computing},
   event_date = {March 2006},
   language = {en},
   ISBN = {0-7695-2520-2},
   DOI = {10.1109/PERCOMW.2006.16},
   reviewed = {1},
   author = {Heer, Tobias and G{\"o}tz, Stefan and Rieche, Simon and Wehrle, Klaus}
}

@Inproceedings { 2005-heer-p2p-ad-hoc,
   title = {Einsatz Verteilter Hash-Tabellen in mobilen Netzen},
   year = {2005},
   volume = {1},
   pages = {73-76},
   note = {DS-Group student project},
   misc2 = {Print},
   publisher = {GI, Gesellschaft f{\"u}r Informatik},
   address = {Bonn, Germany},
   booktitle = {Proceedings of GI-Informatiktage 2005},
   event_place = {Bonn},
   event_name = {GI Informatiktage 2005},
   language = {de},
   ISBN = {3-88579-436-5},
   reviewed = {1},
   author = {Heer, Tobias}
}

@Inproceedings { 2006-heer-gi2004,
   title = {On the Use of Structured P2P Indexing Mechanisms in Mobile Ad-Hoc Scenarios},
   year = {2004},
   month = {9},
   volume = {51},
   pages = {239-244},
   abstract = {Recently, Distributed Hash Tables evolved to a preferred approach for decentralized data management in widely distributed systems. Due to their crucial characteristics – namely scalability, flexibility, and resilience – they are quite interesting for being applied in ad-hoc networks. But, there are plenty of open questions concerning the applicability of Distributed Hash Tables in mobile ad-hoc scenarios: Do new problems arise when both technologies are used together? Are there any synergy effects when both technologies are combined? Are the results and assumptions, made for the infrastructural Internet, still true if a mobile ad-hoc network is used instead? In this paper, we discuss these and further questions and offer some solutions for using Distributed Hash Tables in ad-hoc networks.},
   misc2 = {Print},
   publisher = {GI. LNI},
   address = {Bonn, Germany},
   series = {LNI},
   booktitle = {Proceedings of Workshop on Algorithms and Protocols for Efficient Peer-to-Peer Applications (PEPPA), GI-Jahrestagung Informatik 2004, Bonn, Germany},
   event_place = {Ulm, Germany},
   event_name = {GI-Jahrestagung Informatik 2004},
   language = {en},
   ISBN = {3-88579-380-6},
   reviewed = {1},
   author = {Heer, Tobias and Niedermayer, Heiko and Petrak, Leo and Rieche, Simon and Wehrle, Klaus}
}