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Distributed Networking and Security

In distributed networking and security research group the focus is on the evolution of the Internet technologies as well as on the design, implementation, and verification of IP based systems. In addition to the Internet technologies, we address mobile networks and specifically the development of applications and services in heterogeneous network environments. Focal areas for both Internet and mobile networks are security, service architectures and subjects related to service management such as mobility, quality-of-service and charging. Security issues including privacy, trust and identity management are central for this research group.

In the current research projects the key research items include the identity/locator split and Host Identity Protocol (HIP), and trust and privacy. The key networking environments include overlay networks, the Internet architecture, Beyond 3G Systems (B3G), wireless broadband home networks, and ad hoc networks. More details of these research topics can be found in the project descriptions and in the list of recent publications. The group is active in HIP and NSIS (Next Steps in Signalling) standardization at IETF.

We work in collaboration with the Mobile Computing Group, and the Networking Group at HIIT. Our international collaboration includes University of California at Berkeley in USA, Swedish Institute of Computer Science (SICS) in Sweden, Beijing University of Post and Telecommunications (BUPT) in China, Birla Institute of Technology and Science (BITS) in India among others.

Current people

• Professor Antti Ylä-Jääski
• Professor Sasu Tarkoma
• Jani Heikkinen
• Timo Kiravuo
• Janne Lindqvist
• Nie Pin
• Sanna Suoranta

Current projects

• Trustworthy Internet
• Infrahip II

Selected publications

1. H. Paloheimo, S. Dixit and A. Ylä-Jääski. Energy-Aware Interoperability of MANET and 4G RAN Routing. Wireless Personal Communications, June 2006.
2. L. Kallstom, S. Leggio, S. Liimatainen, J. Manner, T. Mikkonen, K. Raatikainen, J. Saarinen and A. Ylä-Jääski. A Framework for Seamless Service Interworking in Ad-Hoc Networks. Elsevier Computer Communications, May 2005.
3. J. Lindqvist, A. Ylä-Jääski, and J. Manner. Resilient IPv6 Multicast Address Allocation in Ad Hoc Networks. International Workshop on Wireless Ad Hoc & Sensor Networks (IWWAN), New York, June 28-30 2006.
4. J. Lindqvist and M. Komu, Cure for Spam over Internet Telephony. In Proceedings of the 4th IEEE Consumer Communications and Networking Conference - IEEE CCNC 2007, Las Vegas, USA, 11-13 January 2007.
5. K. Karvonen and J. Lindqvist. Usability Improvements for WLAN Access, to appear in Proceedings of 12th International Conference on Human-Computer Interaction (HCI International 2007), 22-27.7.2007, Beijing, China, Springer-Verlag Lecture Notes in Computer Science (LNCS).
6. M. Komu, S. Tarkoma, J. Kangasharju, A. Gurtov. Applying a Cryptographic Namespace to Applications. Dynamic Interconnection of Networks (DIN 2005) ACM workshop in conjunction with Mobicom 2005.