"Cisco VNI projections indicate that IP traffic will increase at a
annual growth rate (CAGR) of 46 percent from 2007 to 2012, nearly
every two years. This will result in an annual bandwidth demand on
world's IP networks of approximately 522 exabytes2, or more than
from a much earlier thread...
that lesson is, the installed base is meaningless, and how we did it
before is meaningless, all that matters is getting growth right.
Mike O'dell... Mo's Law. 1994
I believe the quote is What installed base?
to play devils advocate, how much impact does caching have
on the total traffic flow anyway?