RFC 4291:IP Version 6 Addressing Architecture
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IPv6 Transition


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... The "IPv4-Compatible IPv6 address" was defined to assist in the IPv6 transition. The format of the "IPv4-Compatible IPv6 address" is as ...
... IPv4-Compatible IPv6 address" is now deprecated because the current IPv6 transition mechanisms no longer use these addresses. New or updated implementations are not required to support this ...


... Shin, M-K., Hong, Y-G., Hagino, J., Savola, P., and E. Castro, "Application Aspects of IPv6 Transition", RFC 4038, March 2005. ...


... IPv6 Compatible Address" because it is not being used in the IPv6 transition mechanisms. o Added the "R" and "P" flags to Section 2.7 on multicast addresses ...



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