PEERSAY

摘要

Despite Johna Till Johnson's assertion that "IP itself is nearing end-of- life, with no ready alternative", your readers should be assured that the Internet Protocol is in no danger of reaching the end of its life. While it is true that the long-anticipated end of never-previously-assigned IPv4 addresses is expected in the next few years, that will not cause the cessation of the Internet. IPv4 will be with us for years or even decades to come. In the meantime, IPv6 is already being deployed and used, and there is significant effort underway to spread the deployment. In fact, a recentrnInternet Society survey made it clear that network operators and enterprises of every size are paying serious attention to IPv6.