IPv6部署与管理：最新实践与技术指南

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IPv6 Development and Management 是一本由 IEEE Press 出版的书籍，于2013年由 John Anderson 担任主编，其他作者包括 Linda Shafer、Saeid Nahavandi、George Zobrist、George W. Arnold、David Jacobson、Tariq Samad、Ekram Hossain、Mary Lanzerotti、Dmitry Goldgof、Om P. Malik 等专业人士。这本书的主题围绕IPv6部署与管理，这是下一代互联网协议版本6的重要议题，IPv6在解决IPv4地址空间耗尽问题、提供更广泛的网络连接能力和增强安全性等方面具有关键作用。书中涵盖了IPv6的核心概念和技术细节，包括协议设计、标准化进程、网络架构更新、地址分配、路由器和设备支持、网络安全策略、以及部署规划和实施策略。它旨在为网络专业人员、系统管理员、工程师和政策制定者提供实用的指导，帮助他们理解和处理IPv6的迁移和优化工作。作为版权作品，本书享有The Institute of Electrical and Electronics Engineers (IEEE)的保护，由John Wiley & Sons, Inc.在 Hoboken, New Jersey 发行。所有复制、存储、转发或任何形式的传播都必须遵守1976年美国版权法的相关条款，未经出版商书面许可或通过支付版权许可费用至Copyright Clearance Center, Inc.不可进行。本书不仅提供了理论知识，还可能包含案例研究、最佳实践和对未来发展的展望，确保读者能够全面理解IPv6在全球范围内的部署挑战和成功案例。对于任何关注网络技术发展的人来说，IPv6 Development and Management 是一个不可或缺的参考资料，对于推动IPv6的广泛应用和发展具有重要的参考价值。

domestic product (GDP) [2]. A 10% increase in broadband penetration yields an

average GDP increase of 1.38%. The report also extols other socio-economic beneﬁts

for broadband deployment including higher employment, expanding entrepreneurial

opportunities, providing social contacts, and delivering public information-based

services. While some governments may desire to restrict free access to certain content

or applications, the economic correlation to Internet growth is difﬁcult to ignore.

And trends leading up to the present time indicate strong growth over the last

decade. Figure 1-3 illustrates growth in Internet users and penetration. These appear

to be directly proportional. The compound annual growth rate (CAGR) over this time

period, b y region, is represented in Table 1-1 and averaged 18% worldwide.

Figure 1-1. Internet penetration by region [1].

Figure 1-2. Worldwide Internet users by region [1].

2 CHAPTER 1 IPv6 DEPLOYMENT DRIVERS

well as RIR policies enabling sales and transfers of IPv4 address space , eventually

the RIRs will each allocate their last vestige of IPv4 address space to their

constituents. The ISPs then in turn will eventually exhaust their IPv4 resources

for distribution to their customers, generally enterprise businesses. The APNIC and

RIPE NCC RIRs have already exhausted their respective IPv4 space.

1.1.2 Internet at a Crossroads

So what does all this mean? When IPv4 address space runs out among the ISPs within a

given RIR’s region, any new organization requiring IP address space or existing

organizations requiring supplemental IP address space in that region will, by necessity,

receive an IPv6 address space allocation. As new organizations initiate web presences,

they will be accessible only by IPv6. As new “IPv6-only” organizations join the web,

the composition of the Internet itself will slowly change from the homogeneous IPv4

Internet available today to a mixed IPv4/IPv6 Internet in the future. How quickly and to

what levels this IPv6 density within the Internet will rise is uncertain.

The growth in number of IPv6-only users is expected to surface initially in

Asia. The economies of major Asian countries, particularly China and India, have

grown more rapidly in recent years than the rest of the world according to the

International Monetary Fund [5] as illustrated in Figure 1-6. From 2000 through

2011, the average annual GDP growth in China was 10.2% and India was 7.1%,

while the world average was 2.7%. This in turn has led to rising disposable incomes

and government infrastructure investment in communications technologies such as

broadband and wireless. Point Topic Ltd estimated that nearly half of the world’s

broadband net additions for the ﬁrst half of 2012 were in Asia [6]. Point Topic’s

report also mirrored that of Internet World Stats, which reported that while Asia

boasts the most Internet users at over one billion, its Internet penetration rate is below

the world average (33%) at 26%.

Figure 1-6. GDP growth 2006–2010 [7].

6 CHAPTER 1 IPv6 DEPLOYMENT DRIVERS

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