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Prepared for APrIGF2013@Seoul
Prepared for APrIGF2013@Seoul
Prepared for APrIGF2013@Seoul
Prepared for APrIGF2013@Seoul
Prepared for APrIGF2013@Seoul
Prepared for APrIGF2013@Seoul
Prepared for APrIGF2013@Seoul
Prepared for APrIGF2013@Seoul
Prepared for APrIGF2013@Seoul
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Prepared for APrIGF2013@Seoul

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  • 1. Network Neutrality In Japan Toshiya Jitsuzumi, Kyushu university Prepared for 2013 APrIGF SEOUL
  • 2. Summary of the status quo
  • 3. Restrictions on broadband usage • No restrictions on downloading • Possible restrictions on uploading if it is equal to or over 30GB per day • Transmission speed will be reduced to up to 128kbps once your monthly usage exceeds 7GB, unless you pay 2,625yen for each 2GB. • P2P file exchange transmissions, such as Winny or Share, may be throttled during peak hours. • Mobile access will be slowed down to up to 128kbps, once a monthly usage exceeds a certain limit. When the last 72 hour usage exceeds a certain limit, the transmission will be throttled, too.
  • 4. Increasing pressure on the Japanese backbone 0.0 200.0 400.0 600.0 800.0 1,000.0 1,200.0 1,400.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Gbps Time of the day Traffic over the Japanese Internet Backbone Nov. 2012 Nov. 2011 Nov. 2010 Nov. 2009 Nov. 2008 Nov. 2007 Source: MIC (2013)
  • 5. Congestion and degraded QoS Source: MIC (2007) 25.6% 27.2% 24.0% 35.4% 51.3% 44.3% 46.0% 65.5% 60.2% 0% 10% 20% 30% 40% 50% 60% 70% Japan (Nov. 2009) Japan (Jan. 2011) Japan (Mar.-Apr. 2012) Japan (Mar. 2013) US (2009, average) US (2009. median) UK (May 2010) Australia (2008Q4) Ireland (2008) Actual DL speed / Maximum DL speed Source: Jitsuzumi (2013)
  • 6. In the eyes of an economist, the core of the problem is… Source: http://www.inquisitr.com/94393/2011-net- neutrality-a-couple-of-misconceptions-and-realities/
  • 7. Need for Consumer Education ISP Sommelier Independent QoS evaluation
  • 8. Net Neutrality and Internet Governance Governments Business Tech. elite Civil society Innovate without permission & Consumers in general
  • 9. Network Neutrality In Japan Toshiya Jitsuzumi, Kyushu university Prepared for 2013 APrIGF SEOUL ISBN-10: 4326503785 ISBN-13: 978-4326503780

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