difference with caching when connected to telia internet

[denys at visp.net.lb (Denys Fedoryshchenko)]

On 2017-03-17 18:04, Aaron Gould wrote:
> Thanks, but James, you would not believe how rapidly the traffic to my 
> local
> caches drop off, *and* on the same day I brought up my new Telia 
> internet
> connection.  ...and furthermore, my internet inbound traffic went 
> *through
> the roof*
> 
> -Aaron
Most probably they silently readvertise BGP announces of customers to 
their caches.
Maybe just announce less specific prefixes to Telia, and more specific 
to caches?
Also at least GGC has BGP communities for priorities.