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fi@hiit.fi HIIT’s Future Internet Research Programme. Kimmo Raatikainen Programme Director: Future Internet kimmo.raatikainen@hiit.fi. FI Team. Director: Prof. Kimmo Raatikainen Research co-ordinator: Oriana Riva Seniors: Adj. Prof. Patrik Floréen Adj. Prof. Andrei Gurtov Dr. Arto Karila

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fi@hiit fi hiit s future internet research programme

fi@hiit.fiHIIT’s Future Internet Research Programme

Kimmo Raatikainen

Programme Director: Future Internet

kimmo.raatikainen@hiit.fi

fi team
FI Team
  • Director: Prof. Kimmo Raatikainen
  • Research co-ordinator: Oriana Riva
  • Seniors:
    • Adj. Prof. Patrik Floréen
    • Adj. Prof. Andrei Gurtov
    • Dr. Arto Karila
    • Dr. Kristiina Karvonen
    • Univ. Lect. Markku Kojo
    • Prof. Jukka Manner
    • Dr. Pekka Nikander
    • Dr. Ken Rimey
    • Adj. Prof. Sasu Tarkoma
    • Prof. Antti Ylä-Jääski
the vision of the future
The Vision of the Future
  • User expectations:
    • Future applications and platforms will be context-sensitive, adaptive, and personalized
    • They need to be run, in a reasonable and secure manner, on a variety of execution environments: anywhere, anyhow, anytime, by anyone
  • Required system properties:
    • self-aware, distributable, reconfigurable, proactive, collaborative, secure, trusted, privacy providing, mobile, diversely accessible, extendable, incrementally deployable, resource-aware, …
research challenges in future internet
Research Challenges in Future Internet
  • Research Challenges:
    • Security-Trust-Privacy
    • Mobile Always-on Connectivity
    • Scalable Open Service Architectures
  • Solutions are sought in distributed algorithms and structures, middleware, and protocols.
dual approach to future internet
Dual Approach to Future Internet
  • Improving current Internet
    • Protocol enhancements: HIP, TCP, DCCP, SIP, etc
    • Overlay networks
    • Secure push
  • Starting from clean table
    • Publish-subscribe paradigm
    • Applying microeconomics and game theory
current projects
Current Projects

PSIRP: Publish-Subscribe

Internet Routing Paradigm

AwissNet: Ad-hoc PAN &

WIreless Sensor SEcure NETwork

Finland-ICSI

Center for Novel

Internet Architectures

UbiLife

Trust for All

Future

Mobility

Middleware

Web Services

In Ad Hoc and

Mobile Infra

M

E

R

C

O

N

E

A

B

I

I

N

H

O

N

E

T

S

Location Privacy and Authentication

In Massively Distributed Systems

Trustworthy Internet

InfraHIP

NordicHIP

security trust privacy

Security-Trust-Privacy

Andrei Gurtov

Adj. Prof.

research challenges
Research Challenges
  • Secure mobility and multihoming
    • Secure mapping between identifiers and locators
    • Efficiency and scalability of DHT and DNS systems
  • Eavesdropping/modification of network traffic
    • Lack of IPsec deployment
  • Denial-of-service attacks
  • Tracking user identity and location
  • Troubles of SSL/TLS certificate model
  • Email SPAM
  • Usability of security for a wide range of people
  • Interoperating IPv4 and IPv6 applications and networks
main achievements
Main Achievements
  • Open-source implementation of Host Identity Protocol (HIPL)
    • Prevents eavesdropping and some DoS attacks
    • Secure mobility/multihoming, middlebox friendly
    • New IPsec mode integrated into standard Linux kernel
    • Chairing research group in IRTF, IETF drafts
  • Scalability and performance results of DHT/rendezvous systems using Planetlab testbed
  • International collaboration network (Berkeley, EU)
    • Article at Sigcomm’07 on Delegation-Oriented Network Architecture
future directions
Future Directions
  • Internal HIP deployment in the group’s computers
  • Secure VoIP architecture/demo using P2PSIP model
  • HIP on Platforms implementation (Symbian/Internet tablet)
    • IP security on lightweight devices
  • Applying game theory to model economic aspects of security
  • Evaluating security and mobility in DHTs
  • Distributed trust, discovery of trust paths in community
  • Usability evaluations with user experiments and interviews
mobile always on connectivity

Mobile Always-on Connectivity

Jukka Manner

Professor, PhD.

research challenges1
Research Challenges
  • Decentralized IP host mobility in radio mesh networks
  • Next generation network control signalling framework
  • Congestion controlled datagrams (DCCP) for VoIP
  • SIP-based services for mobile nodes
  • Heterogeneous traffic in heterogeneous multi-access environments
  • Reducing signaling overhead in wireless networks
  • Cross-layer design and inter-layer co-operation
main achievements1
Main Achievements
  • Many IETF contributions
  • World first high performance GIST implementation (C)
  • A new RSS push service for the N800 tablet based on SIP
  • Improvements to TCP congestion control for wireless and mobile environments using cross-layer design
    • Algorithms implemented in Linux TCP/IP stack
  • Brought Linux TCP stack into compliance with IETF specifications
  • DCCP code into the Linux kernel (forthcoming)
future directions1
Future Directions
  • Continue work with
    • Next generation network signalling
    • DCCP and SIP
    • Advanced end host mobility in mesh networks
    • Transport protocol improvements in multi-access environments and vertical handoffs
  • New congestion control algorithms and transport protocols for heterogeneous traffic
  • Future Internet architectures
    • Implications of publish/subscribe paradigm
    • A topic of the Finland-ICSI Center
research challenges2
Research Challenges
  • Evolution towards content-centric networking
    • Shift towards multicast/anycast messaging
    • Publish/subscribe for efficient asynchronous communication
  • Service delivery scalability to millions of customers
    • Communication and maintenance cost of services like YouTube are prohibitive
    • Peer-to-peer technologies can help reduce network and hosting costs and improve scalability
  • Architectures for easy and secure service access
    • Open, decentralized identity management (OpenID)
    • Seamless Sign-On and easy identity bootstrapping
main achievements2
Main Achievements
  • Middleware systems
    • Wireless SOAP, content-based router, XML-aware data synchronizer, mobile desktop search
    • Fuego and PDIS/S4All software used in other projects, also outside HIIT
  • Contributions to W3C Efficient XML Interchange Working Group, WWRF Service Architecture
  • Public demonstrations and presentations
future directions2
Future Directions
  • Publish/Subscribe Internet Routing Paradigm
    • Develop new protocol stack for pub/sub data-centric routing and forwarding in Internet scale
    • EU FP7 STREP project PSIRP coordinated by HIIT
  • Data structures and algorithms for routing in overlay networks
  • Peer-to-peer video-on-demand and video streaming
    • BitTorrent for browsers
  • Mobile AJAX: Asynchronous mobile applications
  • Social networks and incentives for peer-to-peer
    • Content-centric networking for social collaborative peer-to-peer web