INTERNATIONAL TELECOMMUNICATION UNION COM 2 – D 93– E TELECOMMUNICATION STANDARDIZATION SECTOR English only STUDY PERIOD 2005-2008 Original: English Question(s): 1/2 Geneva, 3-11 May 2006 STUDY GROUP 2 – DELAYED CONTRIBUTION 93 Source: China Title: A new address distribution strategy for IPv6 Introduction The current IP address distribution mechanism of “first come, first get and distribution on demand” needs to be reformed to add fairness and efficiency particularly for the late comers of the Internet users. Here we are trying to propose a distribution strategy, aiming at creating a new and authoritative mechanism of managing and distributing IP addresses fairly and effectively. Analysis Due to its global nature, IP addresses are managed and distributed uniformly by the international organization. Currently the IP addresses are distributed via the “ICANN - RIR” channel according to the principle of “first come, first get”, and “distribution on demand”. The existing distribution mechanism has played a positive role in the long period of development. However, the mechanism has evident weakpoints. The principle of “first come, first get and distribution on demand” has led to the unfair allocation of resources because of the tremendous differences existing in the development of different areas and countries. Additionally, the distribution of resources is ruleless, which has reduced the efficiency of routing and made the size of routing continually increasing. As for the distribution of IPv6 addresses, it is suggested to reserve big enough segment of consecutive addresses for each country. The advantages of the proposed IPv6 distribution model are as following: (1) Fully respect the sovereignty and public interests of each country Today, the Internet has become the important public facility of the world, penetrating into many fields such as politics, economy, culture and religion, etc., which is closely related to the public policies and public interests of each country. IP addresses are non-renewable network resources. As a new generation of Internet address resources, IPv6 addresses should be distributed with more consideration of the actual and the future needs of each sovereign country. Contact: Yan Hongqiang Ministry of Information Industry Tel: Fax: +86 10 6603 9265 +86 10 6803 4801 China Email: hqyan@mii.gov.cn Zhang Jie China Academy of Telecommunication Standards Research China Tel: +86 10 6809 4345 Fax: +86 10 68034801 Email: zhangjie@mail.ritt.com.cn Attention: This is not a publication made available to the public, but an internal ITU-T Document intended only for use by the Member States of ITU, by ITU-T Sector Members and Associates, and their respective staff and collaborators in their ITU related work. It shall not be made available to, and used by, any other persons or entities without the prior written consent of ITU-T. -2– COM 2 – D 93 – E (2) Reserve enough development space for countries with less development level of the Internet so as to bridge-up the digital divide. The current IP address distribution policy “first come, first get, and distribution on demand” has been widely challenged for it is less considering the future need of most countries with underdeveloped Internet industry. Such a distribution model may further enlarge the existing digital divide. Communication is a fundamental social process, a basic human need and the foundation of all social organizations. Everyone, everywhere should have the opportunity to participate and no one should be excluded from the benefits the Information Society offers. Therefore, for the long-term development of the Internet, enough IP address space should be reserved for most developing and underdeveloped countries, even if these countries are not active in applying for the addresses in the near future. The global interconnection may not be affected, nor will the current stability of the Internet be threatened. (3) Efficiently control the increase of route tables, and optimize the network operation environment. While designing the address structure of IPv6, the engineers have considered the geographic features of IP address distribution. In order to cut down the size of route tables while enlarging the address space, IPv6 addresses are designed to be aggregate. The consecutiveness of IP addresses happens to meet the demand of increasing the aggregation of IPv6 addresses. The reservation of big enough segment of consecutive IP addresses for each country can effectively control the increase in size of backbone route tables, optimize the network operation environment, and improve the access speed for the end users. (4) The reservation mechanism does not make any fundamental changes to the existing IP address distribution and management system, so it will not affect the stable operation of the Internet. Proposal As for the distribution of IPv6 addresses, it is suggested to reserve big enough segment of consecutive addresses for each country. At present, it is not easy to make an accurate calculation of the number of addresses to be reserved. The following principles are recommended: Under the principles of fairness, democracy and transparency, the reservation mechanism should be negotiated by all sovereign countries under the UN framework, while at the same time ensuring the full participation of other stakeholders, widely soliciting their opinions and suggestions; The reservation should be dynamic, e.g. the first reservation should leave enough development space for the future reservations. _____________