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Comment by sidjor | Hacker News Reader

Thank you for clearing that up. Even I made the mistake of thinking this was about CDNs.

I felt the context was adequately explained at the start of the second paragraph:

  I was talking to a friend the other day about content distribution networks online.
  By this I mean a graph of interactions between people publishing the content and people consuming the content.

Which (with my prior context) I read as someone publishes the content and then maybe you need to do some cache invalidation somewhere, reheat the current page - maybe you need to reheat some archive pages, the homepage, etc

Something along the lines of

> By this I mean a graph [assumed 'buzzword'] of interactions [that happen] between [as in time] people publishing the content [POST] and people consuming the content [GET]

I mean even the images being used sorta look like something you might end up with if you were to diagram a CDN

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