I can see how hardware handling of switching, some filtering and maybe stripping TLS is feasible. Since you're knowledgeable of the subject, how would you index

I can see how hardware handling of switching, some filtering and maybe stripping TLS is feasible. Since you're knowledgeable of the subject, how would you index that information for future retrieval, which could be anything in the set of all digital representations of information in all possible languages and encodings? How would you determine what information is important?