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美国由于是IPv4的发源地,因此无论在地址资源和商业应用方面都占据了先天的优势,因此目前既没有地址短缺的忧虑,又很不愿意改动花费大量资本构建的IPv4商业网络体系,所以目前主要是以世界IPv6研究、协调中心的面目出现,研究和开发IPv6的主要组织如IETF、6BONE等都在美国。但美国在IPv6的商业化推广方面的力度没有欧洲和日本大。最近,由于美国新经济发展受阻,需要寻找新的商机,加上北美对宽带
As the birthplace of IPv4, the United States occupies an innate advantage both in terms of address resources and commercial applications. Therefore, there is no anxiety about address shortage at present, and it is unwilling to change the IPv4 commercial network system that spends a lot of capital to build. At present, Mainly in the face of the world IPv6 research and coordination center, and the major organizations that research and develop IPv6 such as IETF and 6BONE are in the United States. However, the United States in the commercialization of IPv6 to promote the efforts of Europe and Japan are not large. Recently, due to the hindered development of the United States new economy, need to find new business opportunities, coupled with North American broadband