Department of Computer Science
Homepage at University of Helsinki
Aaron Yi Ding ( ),  Ph.D.

PhD Supervising Committee
FIGS PhD  &  UH Distinguished MSc
Staff Member of NODES Group  &  HIIT
Editor of CS department International Blog
Chair of CS department Well-Being Group



Research Projects Publications Visits Software Services Awards Collections

Bio

Aaron was a Postdoc Researcher at the University of Helsinki. He obtained his MSc (2009) and PhD (2015) both with distinction from University of Helsinki, supervised by Prof. Sasu Tarkoma, PI. Markku Kojo, and Prof. Jon Crowcroft (external advisor) at the University of Cambridge. In 2014, he also worked at Columbia University (New York, USA) advised by Prof. Henning Schulzrinne.

Updates

Research

"The Principle of Science" -- Richard Feynman

Research Interests

  • Mobile Data Offloading and Management for 5G
  • Energy Awareness of Mobile Systems
  • SDN and NFV - focus on Network Management and Security
  • IoT and Smart Home Security
  • Congestion Control for Mobile Data Center and Services

Academic Memberships

  • ACM (Association for Computing Machinery)
    - SIGCOMM (Special Interest Group on Data Communication)
    - SIGMOBILE (Special Interest Group on Mobility of Systems, Users, Data, and Computing)
  • IEEE (Institute of Electrical and Electronics Engineers)
    - ComSoc (Communications Society)
    - IEEE Finland (IEEE Region 8)

Research Projects

From 2007, I have been employed to work on a series of international R&D projects for 9+ years. Here is a brief list:

  • TAKE-5   October 2015 ~ present
    with Nokia, Ericsson, Huawei, Elisa, F-Secure
    5G large-scale testbed
  • Cyber Trust   June 2015 ~ present
    with F-Secure, Elisa, Nokia, Ericsson
    SDN/NFV security
  • Cloud Security Service (CloSe)   July 2014 ~ present
    with F-Secure, Nokia
    project manager
  • Virtual Network Element (VirNe)   01.2014 ~ 12.2015
    with Nokia Networks
    SDN for mobile cloud services
  • Internet of Things (IoT)   01.2012 ~ 12.2015
    with Ericsson, Nokia, TeliaSonera, F-Secure
    energy efficient communications
  • EU EIT SDN   01.2013 ~ 12.2014
    with Deutsche Telekom, TU Berlin, TU Munich, INRIA
    WiFi offloading platform
  • MADNet   2011 ~ 2013
    with Deutsche Telekom Labs in Berlin Germany, Univ. Maryland at College Park USA
    mobile data offloading in metropolitan areas
  • FISHOK    01.2009 ~ 12.2012
    with Nokia, Nokia Networks, Ericsson, TeliaSonera, F-Secure
    congestional control for future Internet
  • Wireless Broadband Access (WiBrA)    05.2010 ~ 04.2012
    with Nokia, Nokia Networks, TeliaSonera
    advanced IP signaling for multi-interfaced mobile devices
  • WISEciti    01.2008 ~ 04.2010
    with Ericsson, Nokia, TeliaSonera
    handover management and security in wireless IP access
  • NEON    04.2007 ~ 12.2007
    Nokia sub-contract researcher
    virtualization-based migration for VoIP services, supervised by Prof. Kimmo Raatikainen and Dr. Hannu Flinck (Nokia)

Publications

"Originality, Significance, Rigour - pick 3" -- Jon Crowcroft

Google Scholar Profile

Journal Articles and Book Section

  1. "Energy Awareness in Mobile Traffic Offloading"
    Aaron Yi Ding, Jon Crowcroft
    Smartphone Energy Consumption: Modelling and Optimization, Cambridge University Press, 2014.
  2. "Software Defined Networking for Security Enhancement in Wireless Mobile Networks"
    Aaron Yi Ding, Jon Crowcroft, Sasu Tarkoma, Hannu Flinck
    Elsevier Computer Networks (COMNET), Volume 66, 2014.
    » Level 2 Publication by Julkaisufoorumi, Class B Journal by CCF (IF value: 1.282)
  3. "Bridging the Gap Between Internet Standardization and Networking Research"
    Aaron Yi Ding, Jouni Korhonen, Teemu Savolainen, Markku Kojo, Jörg Ott, Sasu Tarkoma, Jon Crowcroft
    ACM SIGCOMM Compter Communication Review (ACM CCR), Vol. 44, No. 1, 2014.
    » Level 1 by Julkaisufoorumi (IF value: 1.056)
  4. "Toward Network Controlled IP Traffic Offloading"
    Jouni Korhonen, Teemu Savolainen, Aaron Yi Ding, Markku Kojo
    IEEE Communications Magazine (IEEE COMMAG), Volume 51, Issue 3, p.96 - 102, 2013.
    » Level 3 Publication by Julkaisufoorumi, impact factor #3 Journal in Telecommunications domain (IF value: 4.46)

Conference and Workshop Proceedings

  1. "Securebox: Toward Safer and Smarter IoT Networks"
    Ibbad Hafeez, Aaron Yi Ding, Lauri Suomalainen, Alexey Kirichenko, Sasu Tarkoma
    1st ACM Workshop on Cloud-Assisted Networking (ACM CoNEXT CAN)
    Irvine, California USA, December 2016 (to appear).
  2. "P2Hub Private Personal Data Hub for Mobile Devices: Poster"
    Michael Haus, Vittorio Cozzolino, Aaron Yi Ding, Jörg Ott
    17th ACM International Symposium on Mobile Ad Hoc Networking and Computing (ACM MobiHoc)
    Paderborn, Germany, July 2016.
  3. "Vision: Augmenting WiFi Offloading with An Open-source Collaborative Platform"
    Aaron Yi Ding, Yanhe Liu, Sasu Tarkoma, Hannu Flinck, Henning Schulzrinne, Jon Crowcroft
    6th ACM International Workshop on Mobile Cloud Computing and Services (MobiCom MCS)
    Paris, France, September 2015.
  4. "Demo: An Open-source Software Defined Platform for Collaborative and Energy-aware WiFi Offloading"
    Aaron Yi Ding, Yanhe Liu, Sasu Tarkoma, Hannu Flinck, Jon Crowcroft
    21st Annual International Conference on Mobile Computing and Networking (ACM MobiCom)
    Conference Proceedings Demo Track, Paris, France, September 2015.
    » Level 2 by Julkaisufoorumi, Class A Conference by CCF
  5. "Demo: Cloud-based Security as a Service for Smart IoT Environments"
    Ibbad Hafeez, Aaron Yi Ding, Lauri Suomalainen, Seppo Hätönen, Valtteri Niemi, Sasu Tarkoma
    7th ACM Annual Wireless of the Students, by the Students, for the Students Workshop (ACM S3)
    Paris, France, September 2015.
  6. "Reflections on Middlebox Detection Mechanisms in IPv6 Transition"
    Aaron Yi Ding, Jouni Korhonen, Teemu Savolainen, Yanhe Liu, Markku Kojo, Sasu Tarkoma, Henning Schulzrinne
    Internet Architecture Board Workshop on Stack Evolution in a Middlebox Internet (IAB SEMI)
    ETH Zurich, Switzerland, January 2015.
  7. "SoftOffload: A Programmable Approach Toward Collaborative Mobile Traffic Offloading" (extended abstract)
    Aaron Yi Ding, Jon Crowcroft, Sasu Tarkoma
    12th ACM International Conference on Mobile Systems, Applications, and Services (ACM MobiSys)
    Conference Proceedings Poster Track, Bretton Woods, NH, USA, June 2014.
    » Level 1 by Julkaisufoorumi, Class B Conference by CCF
  8. "Software Defined 5G Mobile Backhaul"
    Jose Costa-Requena, Raimo Kantola, Aaron Yi Ding, Jukka Manner, Yanhe Liu, Sasu Tarkoma
    1st IEEE International Conference on 5G for Ubiquitous Connectivityn (IEEE 5GU), Lapland, Finland, 2014.
  9. "Bridge Networking Research and Internet Standardization: Case Study on Mobile Traffic Offloading and IPv6 Transition Technologies"
    Aaron Yi Ding, Jouni Korhonen, Teemu Savolainen, Markku Kojo, Sasu Tarkoma, Jon Crowcroft
    Internet Architecture Board Workshop on Internet Technology Adoption and Transition (IAB ITAT), Cambridge, UK, December 2013.
  10. "CoSense: A Collaborative Sensing Platform for Mobile Devices" (extended abstract)
    Samuli Hemminki, Kai Zhao, Aaron Yi Ding, Martti Rannanjärvi, Sasu Tarkoma, Petteri Nurmi
    11th ACM International Conference on Embedded Networked Sensor Systems (ACM SenSys)
    Conference Proceedings Poster Track, Rome, Italy, November 2013.
    » Level 1 by Julkaisufoorumi
  11. "Collaborative Communication and Sensing for Mobile Systems"
    Aaron Yi Ding, Jon Crowcroft, Sasu Tarkoma
    11th ACM International Conference on Embedded Networked Sensor Systems (ACM SenSys) Doctoral Colloquium, Rome, Italy, November 2013.
  12. "Supporting Low Latency near the Network Edge and with Challenging Link Technologies"
    Markku Kojo, Ilpo Järvinen, Hannes Tschofening, Aaron Yi Ding
    Internet Society Workshop on Reducing Internet Latency (ISOC RIL), London, UK, September 2013.
  13. "Enabling Energy-Aware Collaborative Mobile Data Offloading for Smartphones"
    Aaron Yi Ding, Bo Han, Yu Xiao, Pan Hui, Aravind Srinivasan, Markku Kojo, Sasu Tarkoma
    10th IEEE Communications Society Conference on Sensor, Mesh and Ad Hoc Communications and Networks (IEEE SECON), New Orleans, USA, June 2013.
    » Level 1 by Julkaisufoorumi, Class B Conference by CCF, acceptance rate: 18.2%
  14. "Effect of Competing TCP Traffic on Interactive Real-Time Communication"
    Ilpo Järvinen, Binoy Chemmagate, Aaron Yi Ding, Laila Daniel, Markus Isomäki, Jouni Korhonen, Markku Kojo
    14th Passive and Active Measurement Conference (PAM), Hong Kong, March 2013.
    » Level 1 by Julkaisufoorumi, acceptance rate: 32.4%
  15. "Enable Energy-Aware Mobile Data Offloading for Smartphones through Vertical Collaboration"
    Aaron Yi Ding, Pan Hui, Markku Kojo, Sasu Tarkoma
    8th ACM International Conference on emerging Networking EXperiments and Technologies (ACM CoNEXT) Student Workshop, Nice, France, December 2012. (32 accepted out of 62 submissions)
  16. "Impact of TCP on Interactive Real-Time Communication"
    Ilpo Järvinen, Binoy Chemmagate, Laila Daniel, Aaron Yi Ding, Markku Kojo, Markus Isomäki
    IAB/IRTF Workshop on Congestion Control for Interactive Real-Time Communication (IAB/IRTF CCIRTC ), Vancouver, Canada, July 2012.
  17. "Speeding up IPv6 Transition: Discovering NAT64 and Learning Prefix for IPv6 Address Synthesis"
    Aaron Yi Ding, Teemu Savolainen, Jouni Korhonen, Markku Kojo
    IEEE International Conference on Communications (IEEE ICC), Ottawa, Canada, June 2012.
    » Level 1 by Julkaisufoorumi
  18. "Enabling Energy-aware and Collaborative Management of Data Traffic for Mobile Systems"
    Aaron Yi Ding, Markku Kojo, Sasu Tarkoma
    7th ACM European Conference on Computer Systems (ACM EuroSys) Doctoral Workshop, Bern, Switzerland, April 2012.
  19. "Harsh RED: Improving RED for Limited Aggregate Traffic"
    Ilpo Järvinen, Aaron Yi Ding, Aki Nyrhinen, Markku Kojo
    26th IEEE International Conference on Advanced Information Networking and Applications (IEEE AINA)
    Fukuoka, Japan, March 2012.
    » Level 1 by Julkaisufoorumi, acceptance rate: 29.4%
  20. "NAO: A Framework to Enable Efficient Mobile Offloading"
    Aaron Yi Ding, Jouni Korhonen, Pan Hui, Teemu Savolainen, Sasu Tarkoma, Markku Kojo
    12th ACM/IFIP/USENIX International Middleware Conference (ACM Middleware) PDT Workshop
    Lisbon, Portugal, December 2011.
  21. "Handover Security in Wireless and Mobile Networks"
    Aaron Yi Ding, Markku Kojo
    IFIP Conference on Communication and Multimedia Security (IFIP CMS) Poster Session, Linz, Austria, May 2010.

Standardization Work for IETF

  1. Zhen Cao, Aaron Yi Ding, "Service Discovery in the Homenet Environment with Multiple Connections", IETF Internet Draft, 2013.
  2. Zhen Cao, Aaron Yi Ding, "Service Discovery in a Multiple Connection Environment: Problem Statement", IETF Internet Draft, 2013.
  3. Jouni Korhonen, Teemu Savolainen, Aaron Yi Ding, "Controlling Traffic Offloading Using Neighbor Discovery Protocol", IETF Internet Draft, 2012.
  4. Zhen Cao, Aaron Yi Ding, "Service Discovery in Homenet with Multiple Domain: Problem Statement", In Proceedings of IETF-88, Internet Area, Canada, 2013.
    » Presentation at IETF, Vancouver.
  5. Zhen Cao, Aaron Yi Ding, "MIF Service Discovery Problem Statement", In Proceedings of IETF-86, Internet Area, USA, 2013.
    » Presentation at IETF, Orlando.
  6. Zhen Cao, Aaron Yi Ding, "MIF Service Discovery Problem Statement", In Proceedings of IETF-85, Internet Area, USA, 2012.
    » Presentation at IETF, Atlanta.
  7. Ilpo Järvinen, Binoy Chemmagate, Laila Daniel, Aaron Yi Ding, Markku Kojo, Markus Isomäki, "Impact of IW10 on Interactive Real-Time Communication", In Proceedings of IETF-84, Transport Area, Canada, 2012.
    » Presentation at IETF, Vancouver.
  8. Aaron Yi Ding, Jouni Korhonen, Teemu Savolainen, "Controlling Traffic Offloading Using Neighbor Discovery Protocol", In Proceedings of IETF-83, Internet Area, France, 2012.
    » Presentation at IETF, Paris.
  9. Aaron Yi Ding, Jouni Korhonen, Teemu Savolainen, "Controlling Traffic Offloading Using Neighbor Discovery Protocol", In Proceedings of IETF-82, Internet Area, 2011.
    » Presentation at IETF, Taipei.
  10. Ilpo Järvinen, Aki Nyrhinen, Aaron Yi Ding, Markku Kojo, "Effect of IW and Initial RTO Changes", In Proceedings of IETF-79, Transport Area, Tsinghua University, China, 2010.
    » Presentation at IETF, Beijing.
  11. I. Järvinen, Aki Nyrhinen, Aaron Yi Ding, Markku Kojo, "A Simulation Study on Increasing TCP's IW - Preliminary Results", In Proceedings of IETF-78, Internet Congestion Control Research Group, Maastricht, Netherlands, 2010.
    » Presentation at IETF, Netherlands.

Technical Publications

  1. "Open Source Platforms, Applications and Tools for Software-Defined Networking and 5G Research"
    Lauri Suomalainen, Emad Nikkhouy, Aaron Yi Ding, Sasu Tarkoma
    University of Helsinki, Department of Computer Science, Technical Report, Series of Publications C-2014-2, Helsinki. Finland, August 2014.
  2. "Software-Defined Networking in Mobile Access Networks"
    Yanhe Liu, Aaron Yi Ding, Sasu Tarkoma
    University of Helsinki, Department of Computer Science, Technical Report, Series of Publications C-2013-1, Helsinki. Finland, September 2013.
  3. "Experimentation with Wireless Broadband Traffic Behaviour in WiBrA Project"
    Ilpo Järvinen, Binoy Chemmagate, Aaron Yi Ding, Laila Daniel, Markku Kojo
    University of Helsinki, Department of Computer Science, Technical Report, Series of Publications C-2012-19, Helsinki, Finland, 2012.

Thesis

  1. Aaron Yi Ding, "Collaborative Traffic Offloading for Mobile Systems" University of Helsinki, Department of Computer Science, Doctoral Dissertation, ISSN 1238-8645, A-2015-6, 2015.
  2. Aaron Yi Ding, "Securing Handover in Wireless IP Networks" University of Helsinki, Department of Computer Science, Master's Thesis, Eximia (5/5), ISSN 1457-7070, C-036, 2009.

Research Visits

I have the honor to visit many renowned institutes and work with their leading scholars and experts:

  • Technical University of Munich, Munich, Germany   (Jan, Feb, 2016)
    hosted by Prof. Jörg Ott @ Chair of Connected Mobility
  • China Mobile, Beijing, China   (September 2015)
    hosted by Dr. Hui Deng @ Network Technology Group
  • Peking University, Beijing, China   (September 2015)
    hosted by Prof. Chenren Xu @ Center for Energy-Efficient Computing and Applications
  • Columbia University, New York, USA   (September ~ December 2014)
    guided by Prof. Henning Schulzrinne @ Internet Real Time Lab
  • Hong Kong University of Science and Technology, Hong Kong   (July 2014)
    hosted by Prof. Pan Hui @ System and Media Laboratory
  • University of Cambridge, Cambridge, UK   (June ~ December 2013)
    "Efficient and Collaborative Communication Design for Mobile Systems"
    advised by Prof. Jon Crowcroft @ Computer Laboratory
  • Microsoft Research, Cambridge, UK   (July 2013)
    hosted by Dr. Paolo Costa @ Systems and Networking Group
  • Imperial College London, London, UK   (July 2013)
    hosted by Prof. Peter Pietzuch @ Large-scale Distributed Systems Group
  • Deutsche Telekom Labs (German Telecom), Berlin, Germany   (September ~ October 2012)
    "Mobile Data Offloading for Smartphones"
    hosted by Prof. Pan Hui @ T-Labs, Deutsche Telekom
  • University of Padova, Padova, Italy   (December 2008)
    "Handover Security in Mobile Access"
    hosted by Prof. Luigi Beghi @ Univ. Padova

Research Implementations

Link to source code repositories

  • SoftOffload - SDN Platform for Mobile Traffic Offloading (EIT-SDN)
  • MADNet Energy-aware collaborative offloading framework for smartphones
  • Linux kernel module and extension for NAO
  • GNU C library implementation for NAT64/DNS64 heuristic discovery and address prioritization
  • DNS BIND9 patch for EDNS0 IPv6 address synthesis extension
  • Linux netlink patch for IPv6 address label manipulation
  • ns-2 modules for EAP fast authentication protocol
  • Virtualization-based migration framework for flexible on-demand VoIP services

Professional Services

Program Committee

Reviewer for International Journals and Conferences

  • IEEE/ACM Transactions on Networking (ToN)
  • IEEE Transactions on Mobile Computing (TMC)
  • IEEE Transactions on Wireless Communications (TWC)
  • IEEE Transactions on Network and Service Management (TNSM)
  • IEEE Wireless Communications
  • IEEE Communications Letters
  • Elsevier Journal on Ad Hoc Networks (ADHOC)
  • Springer Journal on Mobile Networks and Applications (MONET)
  • Springer Journal on Wireless Networks (WINE)
  • ACM International Conference on emerging Networking EXperiments and Technologies (CoNEXT) - shadow TPC
  • ACM European Conference on Computer Systems (EuroSys) - shadow TPC
  • IEEE Conference on Computer Communications (INFOCOM)
  • IEEE International Conference on Pervasive Computing and Communications (PerCom)
  • IFIP Networking Conference (NETWORKING)
  • IEEE International Conference on Advanced Information Networking and Applications (AINA)
  • IEEE Global Communications Conference (GLOBECOM)

Academic Visitor Co-Hosting

  • Prof. Jon Crowcroft (Cambridge University, UK), 2010 and 2015
  • Prof. Yong Li (Tsinghua University, China), 2014
  • Prof. Pan Hui (Deutsche Telekom/HKUST, Germany), 2011, 2012, 2013
  • Prof. Luigi Beghi (Padova University, Italy), 2010
  • Prof. Glenn Luecke (ISU, USA), 2008

Invited Talks

  • University of Hannover - "SoftOffload: An Open-source Platform to Augment Mobile Offloading for 5G", Germany, 2015
  • IEEE SECON IoT Workshop, "Enabling Energy-Aware Collaborative Mobile Data Offloading for Smartphones", USA, 2013
  • University of Padova - "Handover Security in Wireless Mobile Networks", Italy, 2008

Master Theses Supervision

  • Yanhe Liu (UH), "An SDN Platform for Traffic Offloading"
    » funded by the EIT-SDN Project, co-supervised with Prof. Sasu Tarkoma
  • Noora Joensuu (UH), "Aviqa: A VoIP Softphone for Analyzing Speech and Video Quality"
    » funded by Ericsson, co-supervised with Prof. Sasu Tarkoma

Supervised Students - very proud to work with them

  • Ibbad Hafeez (UH-NODES), "Cloud and Network Security Services", 2015
    » starting from the spring
  • Lauri Suomalainen (UH-NODES), "Software Defined Networking for Cloud Security Services", 2014
    » starting from the summer
  • Emad Nikkhouy (UH-NODES), "Software Defined Networking for Mobile Cloud", 2014
    » starting from the summer
  • Yanhe Liu (UH-NODES), "Software Defined Networking in Mobile Access", 2013
    » now working for Sina Weibo - the dominant online social networks in China
  • Tomi Ronimus (UH-NODES), "System and Protocol Design for IPv6 Internet", 2012
    » now working for HiQ - one of the most historic companies in Finnish IT sector
  • Peng Liu (Aalto-Comnet), "Mobile Offloading in Wireless Broadband Access", 2012
    » now in industry hacking smart home multimedia systems for Tuxera
  • Yonghao Li (UH-NODES), "Advanced IPv6 Signaling Protocols at Linux Kernel", 2011
    » now in a super cool startup company - check review from The Verge

Teaching

  • University of Helsinki Pedagogy Training - "Practical Teaching Skills", 2015
  • University of Helsinki Pedagogy Training - "Effective Small Group Teaching", 2014
  • Network Programming (in C, Linux & Unix) - Course Instructor, 2013

Society Memberships

  • ISOC (Internet Society)
  • IETF (Internet Engineering Task Force)
  • FUURT (Finnish Union of University Researchers and Teachers)

Services for International Communities

Selected Awards Scholarships and Honors

* Nokia Foundation Scholarship can be granted at most 2 times to the same person.

Collections

Links

a couple of useful links »

Travel

some traces of my academic trips »

Photos

Linux at CS Department

one of our most "visible" graduates: Dr. Linus Torvalds, who graduated from our NODES group

Sports

concerning sport, I am a Point Guard (PG) since age 10, representing high school and faculty of science at college. After moving to Helsinki, I've also played with many Finnish and European players. My PG role model is John Stockton.

a quote from my coach about PG, "reading a game well is really hard, but extremely fun, especially for those who understand the beauty of teamwork and the opportunity behind every move."

Personal

Aaron is from city Changsha, the capital of Hunan province (of similar size and population to UK)

  • Citizenship: China
  • Married
  • EU Green Card Holder (permanent resident)

Contact

Email:



"If we knew what we were doing, it wouldn't be called research." -- Albert Einstein

"Too often we underestimate the power of a smile, a kind word, a listening ear, an honest compliment, or the smallest act of caring, all of which have the potential to turn a life around."