IPv6 Promotion Council
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What is IPv6? Why is it necessary?
Internet Protocol (hereinafter "IP") is the common communication protocol for all devices connected to the Internet. Each device on the network identifies a communication target to connect to in order to communicate with each other. A numerical label for identifying the target is called an "IP address". Currently, we use IPv4 which was deployed more than 20 years ago. Now, a problem of IPv4 address exhaustion is occurring and IPv6 is getting increased attention as a new version of IP.
Introduction: basic introduction of IPv6 (Japanese only)
@ IT IPv6: IPv6 technical information is explained (Japanese only)

How to use IPv6?
All major Operating systems support IPv6 now. Windows started to support IPv6 from XP SP1 and Windows Vista is fully IPv6 compliant. For BSDKAME Project, and for LinuxUSAGI Project have provided support IPv6. For MacOS, an operation system based on BSD began to support IPv6 from OS X.
http://www.atmarkit.co.jp/fnetwork/tanpatsu/10winxpv6/winxpv602.html(Japanese only)
http://www.kame.net/
http://www.linux-ipv6.org/

Regarding IPv6 compatible communication services, a survey was conveyed in 2006. Services not only for corporate customers but for individuals were introduced.
http://www.v6pc.jp/pdf/H18ServiceResearchResult.pdf(survey results are available in Japanese only)

IPv6 Latest news
A lot of news about IPv6 is reported daily from both inside and outside of Japan. You can current updates from the following websites.
IPv6 style: a website dedicated to IPv6 operated by Impress R&D
IPv6 Promotion Council Overseas News: updated about once a week
go6: IPv6 international portal site

IPv4 address exhaustion and transition to IPv6
The rapid growth of the Internet is expected to bring about IPv4 address exhaustion in the near future. According to the most widely recognized forecast on IPv4 address exhaustion by Mr. Geoff Huston, the IANA address pool will run out in October 2010 and the Regional Internet Registry (RIR) pool will run out in October 2011. In the case of Japan, when the Asia Pacific RIR (APNIC) pool is depleted, IPv4 addresses will no longer be available in Japan. As IPv4 address exhaustion is expected to occur in the very near future, several organizations including the IPv6 Promotion Council are considering appropriate responses.
IPv4 address exhaustion: JPNIC and related organization's portal site on IPv4 exhaustion
Report on IPv4 address pool exhaustion problem: considering measures to combat IPv4 address pool exhaustion (Japanese only)
Study group on Internet's Smooth Transition to IPv6, a study group organized by Ministry of Internal Affairs and Communications (MIC).
IPv4 Address Report: the most widely used forecast on IPv4 address exhaustion

Policy trends in IPv6
Several governments have started to adopt IPv6. The Japanese government decided to introduce IPv6 to its e-government concept by 2008 in principle according to the New IT Strategy policy released in January 2006. Based on this policy, MIC released a guideline titled "a guideline of e-government's IPv6 adaptation". Several ministries in Japan provide information on transition to IPv6, based on the MIC guidelines.
Overseas, the Office of Management and Budget (OMB) of the United States ordered to all governmental organizations to adopt IPv6 by June 2008 according to guidelines introduced in August 2005. In particular, the United States Department of Defense includes IPv6 in its standard procurement specifications and provides an Approved Product List.
New IT Strategy
Priority Policy Program 2006
Guideline Developed for e-Government IPv6 System
OMB Guideline

Trends in IPv6 business
Many products and solutions adopting IPv6 have been released, not only for testing, but also for real business use.
IPv6 Ready Logo: a list of products which have obtained the IPv6 Ready Logo
Live E!: a project aiming to utilize environmental information gathered by sensors.

For development of IPv6 enabled devices and applications
It is important for development of IPv6 enabled products to check whether the products meet requirements for specifications of IPv6 and have interoperability capacity. The IPv6 Promotion Council participates in the process of setting standards and verifying products.
In November 2007, Japan Approvals Institute for Telecommunications Equipment (JATE) began consider joining the IPv6 Ready Logo Committee.
IPv6 Ready Logo: checking compatibility to IPv6 specifications and interoperability and issusing the IPv6 Ready Logo to certified devices.
TAHI Project: developing IPv6 specifications and tools for Ready Logo verification.
VoIP/SIP Interoperability Taskforce: verifying interoperability of technologies used in devices such as IP phones etc.
About the continuation of IPv6 Ready Logo certification services (Japanese only)

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