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> if you have 50 images on the page - we have to do 51 requests only (1 metadata for all images,

How do you know the nearest peer has all the images at hand?

to answer this question, I will write another article how we distribute cache among the Peers. Long story short:

- we divide web cache in buckets

- these buckets have different sizes

- we know a list of files in every bucket

- we know what buckets every Peer has