value of co-location

the goal is to come up with a router the size of a 5ESS
with similar capacity ^^^^^^^^^^^^^^^^^^

  greater bigger than

Just as an aside, the number of switched minutes for
PDN/VPN dialup data traffic of all sorts (IP and non-IP,
Internet and private network) through one particularly
data-oriented IXC is widely expected to exceed the
total number of switched minutes for voice traffic
by the middle of summer, this year.

It would astonish me to learn that a number of other IXCs
and some LECs have not made strikingly similar predictions,
give or take some weeks or months.

(and which is installable and maintainable by telco knuckledraggers)

You got that part right.