只将 2000::/3 路由到 ISP 而不是全部分配默认路由会更好。
不可以。虽然信息 RFC 3587 不是标准,但它提供了以下建议:
RFC 2374 was the definition of addresses for Format Prefix 001
(2000::/3) which is formally made historic by this document. Even
though currently only 2000::/3 is being delegated by the IANA,
implementations should not make any assumptions about 2000::/3 being
special. In the future, the IANA might be directed to delegate
currently unassigned portions of the IPv6 address space for the
purpose of Global Unicast as well.
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如果您想为个人设备执行此操作,那是您自己的事情。鉴于这个问题是在 Serverfault 上提出的,并且假设了业务 IT 范围,答案必须是明确的no。如果 IANA 将更多的地址空间分配给全球单播的目的,那么任何围绕这一假设设计的生产环境都必须在未来重新审视。该设计还违反了最少惊讶的设计原则,因为对于熟悉 IPv6 的任何未来员工来说,这是合理预期的。
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