"push 'tombstone' record to invalidate cache" For that /alone/ this is technical... | Hacker News

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		mjevans on Nov 3, 2014 \| parent \| context \| favorite \| on: HTTP/2 all the things "push 'tombstone' record to invalidate cache" For that /alone/ this is technically superior and that's frosting on the cake. Now if only we could also get DNS servers to reply with similar packages of useful data.

Arnt on Nov 3, 2014 [–]

They do, it's called "additional data". There are issues about cache poisoning and a bit more, but the concept exists and is used.

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