RFC 4891:Using IPsec to Secure IPv6-in-IPv4 Tunnel...
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IPv6 prefix


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... the tunnel could come from a wide range of IPv6 prefixes, so binding IPv6 addresses ...


... SPD (SSPD) tunnel mode. Such usage is more complicated because IPv6 prefixes need to be known a priori, and multicast and link-local ...


... router/router-to-site scenarios (i.e., when the IPv6 prefixes can be known a priori), and it offers only a limited set of features (e.g., no multicast) compared with a ...



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