How does Google Global Cache selects which cache to redirect a client?

Brandon Galbraith brandon.galbraith at
Thu Aug 22 15:34:56 UTC 2013

Have you tried experimenting programmatically to determine if its
based on which DNS servers the client is using to resolve?

On Thu, Aug 22, 2013 at 5:31 AM, Nathanael C. Cariaga
<nccariaga at> wrote:
> Hi,
> Just wondering if anyone here I can discuss offline about Google Global
> Cache?  I am interested in knowing how does the cache selection process
> takes place (i.e. how does Google know to which cache to redirect a client).
> I would also like to know what if I have 2 upstreams who both have GGCs
> installed in their network, how would the selection process takes place.
> Thank you very much in advance.
> Regards,
> --
> -nathan

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