Papers

Japanese papers


English Papers

  1. Kenjiro Cho.
    Recursive Lattice Search: Hierarchical Heavy Hitters Revisited.
    To appear in ACM IMC 2017, London, UK, November 2017.
  2. Romain Fontugne, Patrice Abry, Kensuke Fukuda, Darryl Veitch, Kenjiro Cho, Pierre Borgnat, Herwig Wendt.
    Scaling in Internet Traffic: a 14 year and 3 day longitudinal study, with multiscale analyses and random projections.
    IEEE/ACM Transactions on Networking, vol.25(4). pp2152--2165. August 2017. (pdf).
  3. Paul Tune, Matthew Roughan, Kenjiro Cho.
    A Comparison of Information Criteria for Traffic Model Selection.
    ICSPCS 2016, Gold Coast, Australia, December 2016. (pdf).
  4. Kenjiro Cho.
    Broadband Traffic Report: Traffic Growth is Accelerating.
    Internet Infrastructure Review vol.32, pp28-33. August 2016. (pdf).
  5. Megumi Ninomiya, Kenjiro Cho.
    Inferring Live Streaming Delays in the Wild.
    TMA2016. Louvain La Neuve, Belgium, April 2016. (pdf).
  6. Kenjiro Cho.
    Broadband Traffic Report: Comparing Broadband and Mobile Traffic.
    Internet Infrastructure Review vol.28, pp28-33. August 2015. (pdf).
  7. Andra Lutu, Marcelo Bagnulo, Cristel Pelsser, Kenjiro Cho, Rade Stanojevic.
    An analysis of the economic impact of strategic deaggregation.
    Computer Networks. Vol.81, pp147--163. Elsevier. April, 2015.
  8. Kenjiro Cho.
    Broadband Traffic Report: Traffic Volumes Rise Steadily Over the Past Year, and HTTPS Usage Expands.
    Internet Infrastructure Review vol.24, pp28-32. August 2014. (pdf).
  9. Kenjiro Cho.
    Snapshot of the Internet Around 2000 -- Japan (book chapter).
    An Asia Internet History -- Second Decade (1991-2000). (Kilnam Chon. Ed.)
    pp134-139. 2014. (available from InternetHistory.asia).
  10. Kenjiro Cho.
    Broadband Traffic Report: The Impact of Criminalization of Illegal Downloads was Limited.
    Internet Infrastructure Review vol.20, pp32-37. August 2013. (pdf).
  11. Andra Lutu, Cristel Pelsser, Marcelo Bagnulo and Kenjiro Cho.
    The Aftermath of Prefix Deaggregation.
    ITC 25. Shanghai, China. September 2013. (pdf).
  12. Yohei Kuga, Takeshi Matsuya, Hiroaki Hazeyama, Kenjiro Cho and Osamu Nakamura.
    EtherPIPE: an Ethernet character device for network scripting.
    ACM SIGCOMM 2013 HotSDN Workshop. Hong Kong. August 2013. (pdf).
  13. Y. Himura, K. Fukuda, K. Cho, P. Abry, P. Borgnat, H. Esaki.
    Synoptic Graphlet: Bridging the Gap between Supervised and Unsupervised Profiling of Host-level Network Traffic.
    IEEE/ACM Transactions on Networking, vol.21(4) pp1284--1297. August 2013. (url).
  14. Youngjoon Won, Romain Fontugne, Kenjiro Cho, Hiroshi Esaki, Kensuke Fukuda.
    Nine Years of Observing Traffic Anomalies: Trending Analysis in Backbone Networks.
    IFIP/IEEE IM2013 Mini Conference. Ghent, Belgium. May 2013. (pdf).
  15. Midori Kato, Kenjiro Cho, Michio Honda, Hideyuki Tokuda.
    Monitoring the Dynamics of Network Traffic by Recursive Multi-dimensional Aggregation.
    OSDI2012 MAD Workshop. Hollywood, CA. October 2012. (pdf).
  16. Kenjiro Cho.
    Broadband Traffic Report: Traffic Trends over the Past Year.
    Internet Infrastructure Review vol.16, pp33-37. August 2012. (pdf).
  17. Kenjiro Cho.
    Internet Measurement and Big Data.
    Internet Infrastructure Review vol.15, pp31-34. May 2012. (pdf).
  18. Kenjiro Cho, Cristel Pelsser, Randy Bush, Youngjoon Won.
    The Japan Earthquake: the impact on traffic and routing observed by a local ISP.
    ACM CoNEXT 2011 Special Workshop on the Internet and Disasters. Tokyo, Japan. December 2011. (pdf).
  19. Romain Fontugne, Youngjoon Won, Kenjiro Cho, Kensuke Fukuda.
    Disasters seen through Flickr cameras.
    ACM CoNEXT 2011 Special Workshop on the Internet and Disasters. Tokyo, Japan. December 2011. (pdf).
  20. Kenjiro Cho.
    Broadband Traffic Report: Examining the Impact of the Earthquake on Traffic on a Macro Level.
    Internet Infrastructure Review vol.12, pp25-30. August 2011. (pdf).
  21. Kenjiro Cho.
    Broadband Traffic Report: Traffic Shifting away from P2P File Sharing to Web Services.
    Internet Infrastructure Review vol.8, pp25-30. August 2010. (pdf).
  22. Yosuke Himura, Kensuke Fukuda, Patrice Abry, Kenjiro Cho, Hiroshi Esaki.
    Characterization of Host-level Application Traffic with Multi-scale Gamma Model.
    IEICE Transaction on Communications, Vol.E93-B, No.11. November 2010. (pdf).
  23. Yosuke Himura, Kensuke Fukuda, Kenjiro Cho, Hiroshi Esaki.
    An evaluation of automatic parameter tuning of a statistics-based anomaly detection algorithm.
    International journal of network management. Vol.20(5), pp295-316. John Wiley & Sons, Ltd. September 2010. (pdf).
  24. Guillaume Dewaele, Yosuke Himura, Pierre Borgnat, Kensuke Fukuda, Patrice Abry, Olivier Michel, Romain Fontugne, Kenjiro Cho, Hiroshi Esaki.
    Unsupervised host behavior classification from connection patterns.
    International journal of network management. Vol.20(5), pp317-337. John Wiley & Sons, Ltd. September 2010. (pdf).
  25. DK Lee, Kenjiro Cho, Gianluca Iannaccone, Sue Moon.
    Has internet delay gotten better or worse?.
    CFI '10. Seoul, Korea. June 2010. (pdf).
  26. Yosuke Himura, Kensuke Fukuda, Kenjiro Cho, Hiroshi Esaki.
    An Automatic and Dynamic Parameter Tuning of a Statistics-based Anomaly Detection Algorithm.
    IEEE ICC 2009 CISS, pp.1003-1008, Dresden, Germany, June 2009.
  27. Kenjiro Cho.
    Broadband Traffic Report.
    Internet Infrastructure Review vol.4, pp18-23. August 2009. (pdf).
  28. Pierre Borgnat, Guillaume Dewaele, Kensuke Fukuda, Patrice Abry, Kenjiro Cho.
    Seven Years and One Day: Sketching the Evolution of Internet Traffic.
    INFOCOM2009. Rio de Janeiro, Brazil. April 2009. (pdf).
  29. Yosuke Himura, Kensuke Fukuda, Kenjiro Cho, Hiroshi Esaki.
    Quantifying Host-based Application Traffic with Multi-Scale Gamma Model.
    PAM2009 Student Workshop, Seoul, Korea, April 2009.
  30. Kenjiro Cho, Kensuke Fukuda, Hiroshi Esaki and Akira Kato.
    Observing Slow Crustal Movement in Residential User Traffic.
    ACM CoNEXT2008. Madrid, Spain. December 2008. (pdf).
    The slides presented at CoNEXT2008.
  31. Yohei Kuga, Kenjiro Cho, Osamu Nakamura.
    On inferring regional AS topologies.
    AINTEC2008. Bangkok, Thailand. Nov. 2008. (pdf).
  32. Kensuke Fukuda, Kenjiro Cho, Hiroshi Esaki.
    Characteristics of Residential Broadband Traffic in Commercial ISP Backbone in Japan (book chapter).
    Broadband Internet Deployment in Japan. (H. Esaki. et al. Eds.)
    Ohmsha IOS Press. pp183-199. 2008.
  33. Kotaro Kataoka, Achmad Husni Thamrin, Kenjiro Cho, Jun Takei, Jun Murai.
    Architecture of Satellite Internet for Asia-wide Digital Communications.
    AINTEC2007. Phuket, Thailand. November 2007. (pdf).
  34. Shoko Mikawa, Patcharee Basu, Achmad Basuki, Jun Takei, Kejiro Cho.
    SOI-Asia: A practical example of region-wide distance education environment.
    AINTEC2007. Phuket, Thailand. November 2007.
  35. Guilaume Dewaele, Kensuke Fukuda, Pierre Borgnat, Patrice Abry, Kenjiro Cho.
    Extracting Hidden Anomalies using Sketch and Non Gaussian Multiresolution Statistical Detection Procedures.
    SIGCOMM2007 LSAD Workshop, Kyoto Japan. August 2007. (pdf).
  36. Teruaki Yokoyama, Shoko Mikawa, Jun Takei, Kenjiro Cho, Suguru Yamaguchi, Jun Murai.
    Overview of AI3 Network: Design and Applications of Satellite Network.
    SIGCOMM2007 NSDR Workshop, Kyoto Japan. August 2007. (pdf).
  37. Kenjiro Cho, Kensuke Fukuda, Hiroshi Esaki and Akira Kato.
    The Impact and Implications of the Growth in Residential User-to-User Traffic.
    SIGCOMM2006, pp207-218. Pisa, Italy. September 2006. (pdf).
    The slides presented at SIGCOMM2006.
    The slides presented at 6th Asia Broadband Summit. Bali, Indonesia. February 2007.
  38. Tomoo Mizukami and Kenjiro Cho.
    Tunneling with Service Discovery: A romote access model and Implementation.
    IEEE CCNC2006, Las Vegas, NV, January 2006.
  39. Toshiyuki Miyachi, Kenjiro Cho and Yoichi Shinoda.
    On the Stability of Server Selection Algorithms against Network Fluctuations.
    AINTEC2005, Bangkok, Thailand, December 2005. (pdf)
  40. Kazuhide Koide, Shunsuke Fujieda, Kenjiro Cho and Norio Shiratori.
    TCP Retransmission Monitoring and Configuration Tuning on AI3 Satellite Link.
    AINTEC2005, Bangkok, Thailand, December 2005.
  41. Matthew Luckie, Kenjiro Cho and Bill Owens.
    Inferring and Debugging Path MTU Discovery Failures.
    Internet Measurement Conference 2005, Berkeley, CA, October 2005. (pdf).
  42. Kensuke Fukuda, Kenjiro Cho and Hiroshi Esaki.
    The impact of residential broadband traffic on Japanese ISP backbones.
    ACM SIGCOMM CCR SPECIAL ISSUE: Measuring the internet's vital statistics. vol35(1), pp15-22, January 2005. (pdf).
    The slides presented at SRCCS workshop, Seoul, Korea. January 2005.
    The slides presented at IEPG meeting, Minneapolis, MN. March 2005.
  43. Kenjiro Cho, Matthew Luckie and Bradley Huffaker.
    Identifying IPv6 Network Problems in the Dual-Stack World.
    SIGCOMM'04 Network Troubleshooting Workshop, Portland, Oregon, September 2004. (pdf).
  44. Kenjiro Cho.
    Fitting theory into reality in the ALTQ case.
    ASIA BSD conference, Taipei, Taiwan, March 2004. (pdf, slides).
  45. Yuji Sekiya, Kenjiro Cho, Akira Kato, Ryuji Sonegawa, Tatsuya Jinmei and Jun Murai.
    Root and ccTLD DNS server observation from worldwide locations.
    PAM2003, La Jolla, CA, April 2003. (ps, pdf).
  46. Ryuji Somegawa, Kenjiro Cho, Yuji Sekiya and Suguru Yamaguchi.
    The Effects of Server Placement and Server Selection for Internet Services.
    IEICE Trans. on Commun. Vol.E86-B No.2. February 2003. p.542--551. (ps, pdf)
  47. Kenjiro Cho, Ryo Kaizaki and Akira Kato.
    Aguri: An Aggregation-based Traffic Profiler.
    In Proceedings of QofIS2001 (published by Springer-Verlag in the LCNS series). September 2001. (gzipped postscript, pdf)
    A shorter version appeared in the proceedings of SAINT2002 as an invited talk. (gzipped postscript, pdf)
  48. Kenjiro Cho.
    The Design and Implementation of the ALTQ Traffic Management System.
    dissertation, Keio University. January 2001. (gzipped postscript, pdf)
  49. Kenjiro Cho, Koushirou Mitsuya and Akira Kato.
    Traffic Data Repository at the WIDE Project.
    In Proceedings of USENIX 2000 Annual Technical Conference: FREENIX Track, San Diego, CA, June 2000. (gzipped postscript, pdf, html)
  50. Kenjiro Cho.
    Flow-valve: Embedding a Safety-valve in RED.
    In Proceedings of IEEE GLOBECOM99 Global Internet Symposium, Rio de Janeiro, December 1999. (gzipped postscript, pdf), Its original technical report is also avaialble.
  51. Kenjiro Cho.
    Managing Traffic with ALTQ.
    In Proceedings of USENIX 1999 Annual Technical Conference: FREENIX Track, Monterey CA, June 1999. (gzipped postscript, pdf)
  52. Kenjiro Cho.
    A Framework for Alternate Queueing: Towards Traffic Management by PC-UNIX Based Routers.
    In Proceedings of USENIX 1998 Annual Technical Conference, New Orleans LA, June 1998. (abstract, html, postscript, pdf)
  53. Kenjiro Cho and Kenneth P. Birman.
    A Group Communication Approach for Mobile Computing.
    In Proceedings of IEEE Workshop on Mobile Computing Systems and Applications, Santa Cruz, December 1994. pp95-102. (gzipped postscript, pdf)

Presentations, etc

  1. Kenjiro Cho.
    Trends in Japanese Residential Traffic.
    at ISOC Panel on Internet Bandwidth Growth. Hiroshima, Japan. November 2009. (slides)
    (the panel is reported in IETF Journal)
  2. Kenjiro Cho.
    Measurement Activities at WIDE.
    for Future Internet Summer Camp 2009. Jeju, Korea. August 2009. (slides)
  3. Kenjiro Cho.
    Where does all the traffic go? ---observing trends in Japanese residential traffic---.
    keynote talk at PFLDNET 2009. Tokyo, Japan. May 2009. (slides)

Archived Lectures

  1. Introduction to Internet Measurement for the SOI Asia Project. February 2008.
  2. Advanced Internet Technology: Measurement and Analysis for the SOI Asia Project. November 2002.

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