Re: I never realized so many trains derailed until my Internet kept going out

[Martin Hannigan <hannigan () renesys com>]

> Martin Hannigan wrote:
>
> > They could've back doored the long haul, and it's possible they
> > did on different products. The local traffic would pop back if
> > they did depending upon network configuration since the FCP's
> > and CO's are still up and running. Think about it, if you can
> > make a phone call during a fiber cut, why can't you process an
> > IP packet? (I'm discussing layer 1. I'm waiting to see the preso
> > in Dallas to comment on anything higher :) )
>
> Well, sometimes you can't make a phone call during a fiber cut.
> During the Sprint outage a couple of weeks ago the first thing
> we noticed were strange PSTN outages.  High-and-dry and reorder
> for the most part with an occasional "circuits busy" intercept.
> The cut didn't have any significant effect on IP as far as we
> could tell (but we're not a Sprint customer).


Yes, agreed. You end up at reduced capacity in most cases which
would explain the reorders. What's high and dry? Dead air?

-M<



--
Martin Hannigan                                (c) 617-388-2663
Renesys Corporation                            (w) 617-395-8574
Member of the Technical Staff                  Network Operations
                                              hannigan () renesys com