[arin-ppml] debunking the myth that Moore's law helps
On Dec 17, 2009, at 12:27 AM, Michel Py wrote:
> > Matthew Petach wrote:
> > You can get old 7k-class Cisco routers for $500 on eBay;
> > why aren't more people just running large clusters of $500
> > routers, then? See the above cross-linking problem, and
> > look at the rack space cost to put them in; at your typical
> > facility like Equinix, at $1500/rack/month, if you can only
> > fit 3 7k-class routers per rack, if the router only costs
> > $500, you end up spending as much on space for the router as
> > your hardware cost *every month*.
> You forgot the cost of electricity; colos charge or will charge for
> These days, if you're not "green", you look "bad".
Green has zero to do with this discussion. It's all about costs. If
the power to drive a 7k is more than the power to drive something
newer over a useful life the choice is pretty clear to those of us
adept at making money.