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无状态 1:N IVI 支持IPv4主动访问IPv6(IVI6)吗?

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netforce 发表于 2012-11-16 09:36:36 | 显示全部楼层 |阅读模式
本帖最后由 netforce 于 2012-11-16 09:52 编辑

如题
draft-xli-behave-divi-02-Address-sharing stateless double IVI有这样两段描述

   The stateless 1:N IVI keeps the features of stateless, end-to-end
   address transparency and bidirectional-initiated communications of
   the original stateless 1:1 IVI, while it can utilize the IPv4
   addresses more effectively.  The stateless 1:N dIVI has above
   features and it does not require the DNS64/DNS46 and ALG supports.

   Therefore, the IPv6 end systems must follow the port number range
   defined by the extended IPv4-translatable addresses.  The behavior of
   the IPv6 end system when communicating with the IPv4 Internet are:
   o  If the IPv6 end system is used as a server, different well-known
      ports will be served by different IPv6 hosts.
   o  If the IPv6 end system is used as a client, the end system must
      generate the source port numbers in the range defined by the
      extended IPv4-translatable address format.  This can be done by
      modification of the end system, or via a port number mapping
      device (home gateway).
 楼主| netforce 发表于 2012-11-16 16:26:28 | 显示全部楼层
看来是受限制的双向互通
比如IP A能做ftp服务器,不能做http服务器,因为他可用的端口范围包括21,不包括80
满天星 发表于 2012-11-16 19:55:12 | 显示全部楼层
首先,Draft文档是经常会变动的,尤其是早期的编号01,02这种,肯定会或多或少存在问题
请先参考下本论坛的此帖子:
http://www.ipv6bbs.cn/thread-88-1-1.html
或参考IETF网站的“IETF之路”,里面写的更加详细。
确认下当前最新的draft编号,然后再进行熟悉吧,当然,也许后续仍然会有变化,肯定需要持续跟进,例如查看diff文件,或者你们也可以参与进去讨论!
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