🚀 go-pugleaf

> Yossi Cohen wrote:
> > 
> > ISPs in Europe or Asia pay, as far as I know, about $250K/Year
> > for a T1 line to the U.S. (for the line only, not for the internet
> > connection).
> > 
> > On the other hand, traffic could have been reduced by a significant
> > factor by using a large cache in the proxy http and ftp server. I know
> > 
> > that the academic network in the UK has a cache of 6 machines with
> > 16GB each and they reach 60% hit rate.
> > 
> > It is my guess that by using a huge cache, say 1TB (1000GB), it is
> > possible to get 90% hit rate, i.e. to save 90% of the international
> > lines cost. The cost of 1TB may be about $200k, so it seems a very
> > good investment.
> > 
> > Where am I wrong ?
> > 
> > Does anyone know of some research done in this field of knowing
> > how large should a cache be in order to reach 90% hit rate ?
> > 
> > Thanks,
> > Yossi
> > 
> > ifaa@aquanet.co.il
> 



But how do you keep the terabyte cache updated without that T1 line to
the U.S.?  Where do you get to save money?  Someplace, there's still
going to be a trans-atlantic/pacific connection...

RB