Business from technology

Hannu Reittu

Current position at VTT

Hannu Reittu (b. 1958) is Senior Research Scientist at Network performance team.

Research background and current research topics

Research interests:
Modelling and analysis of telecommunication systems
Peer to peer networks
Random graphs as models of communication networks.

Current major research projects at VTT

Current:
Network of Excellence Network of the Future (Euro-FGI)
Future Internet 2
EU-P2P Next

Past:
Algorithms for Broadband Infrastructure (ABI)
Scalable Algorithms for Peer-to-peer (SCALP)
Network Research Foundations and Trends (EU-Net-Refound)
Network of Excellence, Next Generation Internet (Euro-NGI)
Random Encounter Based Distribution of Large Files (Redlarf)
COST Actions: COST 279, COST 257
Performance Analysis of New Networking Technologies (PAN-NET)

Education

Doctor of Philosophy University of Turku, Department of Physics, 1996
Doctor of Philosophy in Leningrad State University, Department of Physics, Mathematical and Theoretical Physics, 1991
Master of Science in Leningrad State University, Department of Physics, Mathematical and Theoretical Physics, 1986.

Work history

University of Joensuu, department of Physics; summertime research associate,1985,1989
University of Turku, Wihuri Physical Lab., research and teaching positions,1991-1998
VTT Technical Research Centre; research scientist; 1998 – 2008
University of Helsinki, Department of Mathematics; 2 months in 2000
VTT Technical Research Centre; senior research scientist; since 2008-
Mittag-Leffler Institute, Program of Queueing Theory and Teletraffic Theory; visiting research fellow; 5 weeks in 2004

Positions of trust and professional assignments

Referee for international journals and conferences in several occasions since 1991.

Selected publications

On the effect of very large nodes in Internet graphs
Reittu, Hannu; Norros, Ilkka
IEEE Global Telecommunications Conference, Globecom'02. Taipei, Taiwan, 17 - 21 Nov. 2002. Vol. 3. IEEE (2002), 2624 – 2628

On the power-law random graph model of massive data networks
Reittu, Hannu; Norros, Ilkka
Performance Evaluation. Vol. 55 (2004) No: 1 - 2, 3 – 23

On a conditionally Poissonian graph process
Norros, Ilkka; Reittu, Hannu
Advances in Applied Probability . Vol. 38 (2006) No: 1, 59 – 75

A stable random-contact algorithm for peer-to-peer file sharing
Reittu, Hannu
4th IFIP TC 6 International Workshop, IWSOS 2009. Zurich, Switzerland, 9-11 Dec. 2009
Lecture Notes in Computer Science. Volume 5918: Self-Organizing Systems . Springer. Berlin / Heidelberg ( 2009), 185 - 192

A power-law graph as a distributed hash table with quick search and small tables
Reittu, Hannu; Norros, Illkka
Valuetools 2009. Pisa, Italy, 20 - 22 Oct. 2009. ICST (2009)

For complete list of publications, see Hannu Reittu’s publications in VTT Publications Register.

Awards

Several personal research grants from Finnish foundations during 1991-1997.