North American Network Operators Group

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Re: DACS blamed for MCI / CSX train problems last week

  • From: Mohamed Hirse
  • Date: Mon May 08 04:31:38 2000

On 5 May 2000, Sean Donelan wrote:

> According to Computerworld, the MCI outage affecting CSX rail lines
> last week was caused by DACS problems.
> This isn't the first DACS problem nor is MCI the only carrier affected
> by DACS problems.  Bell Atlantic had a multi-day DACS problems, I've
> experienced 18+ hour MCI DACS problems in the past.  What is it about
> DACS systems which seem to lead to such catastrophic problems?  How
> can you put an entire train system out of operation due to a single
> piece of equipment?
A start would be if carriers architecture their network to be redundant
and self healing.