IPv4 to IPv6: Challenges and Opportunities

12 November 2007 - A Workshop on Critical Internet Resources in Rio de Janeiro, Brazil


The purpose of this workshop is to discuss the promise of IPv6 in the future Internet infrastructure, to review the state of play and current challenges with regard to IPv4 depletion and IPv6 take-up, and to discuss the roles of various actors therein.


Japan Network Information Center (JPNIC)
Number Resource Organization (NRO)
Internet Society (ISOC)
Internet Association Japan (IA Japan)
Japan Internet Service Providers Association (JAIPA)
Institute for InfoSocionomics, Kumon Center, Tama University
Center for Global Communications, International University of Japan (GLOCOM)
Global Internet Policy Initiative (GIPI)


Paul Wilson is the Director General of APNIC, the Regional Internet Registry for the Asia Pacific region. He has been involved in Internet service provision and development projects in Australia and the Asia Pacific since 1990. His first visit was Rio De Janeiro was in 1992, as a member of the APC team that provided Internet services to the UN Conference on Environment and Development (the "Earth Summit").
Makiko Yamada is the Director of International Policy Division at the Ministry of Communications and Internal Affairs of JAPAN, overseeing and coordinating Japanese international policy on telecommunications and broadcasting. Yamada joined the Japanese Government in 1984 and has been engaged in legal matters related to telecommunications, such as internet abuse (spam, copyright infringement, etc) and consumer protection, worked as the Japanese representative to the GAC, ICANN 2003-2004, and holds a law degree from the University of Waseda, Japan and a economics degree from the London School of Economics.

Jonne Soininen is Head of Internet Affairs with Nokia Siemens Networks. Jonne is a member of the IETF Administrative Oversight Committee, Vice Chairman of the Internet Society Organizational Members Advisory Council, and a chairman of the netlmm working group at the IETF. Mr. Soininen has been active in the IETF on IPv6 related issues for many years.
Naomasa Maruyama, who's day job is a researcher in the Institute of Statistical Mathematics (located in Tokyo, Japan), has been assisting the Japan Network Information Center from its beginnings in 1991 in a wide range of activities including IP address allocation/assignment business as a National Internet Registry (NIR) and JP domain name allocation business until the re-delegation of .JP to JPRS (Japan Registry Service) in 2002. He's actively involved in outreach efforts for Internet Governance in Japan. In the year 2000, he led the Host committee of ICANN Yokohama meeting. Currently he is serving as a Trustee of JPNIC.

Izumi Aizu is Deputy Director of the Institute for HyperNetwork Society and Senior Research Fellow at the Institute for InfoSocionomics, Kumon Center, Tama University in Japan. Since 1993 he is also member of ICANN AtLarge Advisory Committee (ALAC). Izumi was the Secretary General of Asia and Pacific Internet Association (APIA) from 1998 to 2000, during which time he was involved in ICANN’s creation and also organized Internet Y2K campaign. He is engaged in the policy study of Network and Information Security (NIS), Critical Infrastructure Protection, and Digital Identity Management.
Adiel Akplogan is the Chief Executive Officer of AfriNIC Ltd., the Internet Numbers' Resource Registry for Africa. He previously worked as Director, Internet and Data Transmission at CAFENet, Togo (1994-2000), then as IT Director at Symbol Technologies, France (2001-2003). Adiel is a member of the African Technical Advisory Committee of ATAC/UNECA, is involved with the management of several technical coordination bodies in Africa such as the African Network Operators Group (AfNOG) and the African ccTLD Managers Association (AfTLD).
Patrik Fältström, with Cisco Systems, has been working with Internet related issues, and specifically the DNS, since 1987. Patrik has a background in the ISP business, and has been a member of numerous advisory groups related to the Internet over the years, both in the public and private sectors. He was also a part of the leadership of IETF for 8 years, and is now a member of ISOC Board of Trustees. In 2003 he was appointed advisor to the Swedish Government, a position he holds currently.

Leslie Daigle is the Chief Internet Technology Officer of the Internet Society. Her technical contributions to Internet innovation and open standards over the last dozen years have focused on facilitating application and network integration. Leslie is a member of the Internet Architecture Board (IAB) and served as its elected Chair from 2002 to 2007. She earned an MSc in Computing & Information Science from the University of Guelph.
William Manning serves on the research staff at USC's Information Sciences Institute. His primary technical interests have been in network operations and naming systems. He operates one of the Internet Root Nameservers, serves as an ARIN Trustee, and manages DNS service for several TLDs.
Jordi Palet is CEO & CTO of Consulintel, and has a long term-involvement in IPv6 standardization, training, consultancy and deployment, including many IPv6 related non-profit activities in cooperation with the RIRs and other related organizations. Jordi led a number of research, development and dissemination projects, has co-authored many articles and papers, in addition to 6 books, covering not only technical aspects but also innovation and policy.