Knot caches pointers to relevant EDNS options during packet parsing. This is useful when we quickly need to fetch an option from the OPT RR, such as NSID or COOKIE, without having to traverse through the entire OPT RR.
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Knot caches pointers to relevant EDNS options during packet parsing. This is useful when we quickly need to fetch an option from the OPT RR, such as NSID or COOKIE, without having to traverse through the entire OPT RR.