nanog mailing list archives

Re: Sat phones


From: shields () crosslink net (Michael Shields)
Date: 23 Sep 1998 13:51:12 +0000

In article <980922233256.fe71 () SDG DRA COM>,
Sean Donelan <SEAN () SDG DRA COM> wrote:
In practice, I would expect excavators careful enough to have all
the underground utilities marked ahead of time, are also careful
during their digging.

Well, as you know there is no hope for us.  When the contractor was
digging a trench to install fiber to our building, they managed to cut
the 20kV power line.  It was marked.

All you can do is put in enough redundancy to bring downtime to a
level you(r customers) think is acceptable.

I think MTTR is underappreciated and lowering it is probably the most
cost-effective way to keep your percentage availability high.  You
periodic NOC contact checking is a good step there.
-- 
Shields, CrossLink.


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