[vox-tech] Redundant DSL Question

[Charles Polisher]

On Sun, Dec 22, 2002 at 10:25:53AM -0800, Rod Roark wrote:
> Suppose I have two DSL lines attached to my multi-homed 
> server.  I can think of two different ways to handle the
> DNS:

Two DSL lines to the same service address very
likely share space in the same conduit all the way
to the central office. A fault anywhere between
you and the central office switch will likely take
both lines offline (mister backhoe).  It'd be a
shame to spend more for redundant service if you
don't get added reliability.  It's hard to get
diverse routing. I remember in the late 80s,
working for U.S. Worst. <wavy lines> One day the
Internet connection tanked.  Turns out we bought
our 2nd connect from Sprint. Who resold lines they
bought in bulk from AT&T.  Who leased those lines
from: U.S. West. Doh!  The timing of the resulting
downtime was so bad that the users were trying to
decide whether to commit murder or suicide. Maybe
you can hang an antenna from a weather balloon, or
use RFC2549 carrier service.

Good luck.