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


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... 41). On receiving such an IPsec packet, the receiver first applies the IPsec transform (e.g., ESP ...
... receiving such an IPsec packet, the receiver first applies the IPsec transform (e.g., ESP ...


... data origin authentication, confidentiality, and optional (at the discretion of the receiver) anti-replay features. Using confidentiality ...



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