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Re: Automated DLR conflict detection
- From: Valdis.Kletnieks
- Date: Sat Dec 29 06:19:37 2001
On Sat, 29 Dec 2001 04:32:08 EST, Sean Donelan said:
> How can you perform due dilegence on a carrier? With a car, you
> can open the trunk and check the spare tire. What is the best way
> to check a spare circuit?
How do you know it's a <insert vendor> field engineer trying to fix a
flat tire? He keeps swapping tires till he finds the flat one...
Make sure your testing procedure *really* tests the actual spare circuit,
not something else's representation of one. I know one poor soul who
wrote software to monitor-via-ping the other end of a point-to-point,
then watched in horror as a co-worker accidentally removed the entire
DSU from the rack, unwilling to say "Wait, that's the wrong one" because
the monitor hadn't burped an error.
Guess who's network was basically a triangle? ;)
--
Valdis Kletnieks
Operating Systems Analyst
Virginia Tech
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