North American Network Operators Group

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RE: availability and resiliency

  • From: Roeland M.J. Meyer
  • Date: Fri Sep 29 16:44:13 2000

> From: Lionel Lauer [mailto:longword@newsguy.com]
> Sent: Friday, September 29, 2000 10:54 AM
> 
> On Fri, 29 Sep 2000 17:39:04 +0100, Andrew Bangs <andrewb@demon.net>
> wrote:
> 
> >
> >On Thu, Sep 28, 2000 at 02:39:40PM -0600, Irwin Lazar wrote:
> >> Hi all,
> >> Does anyone know if a template exists for what it takes to 
> provide 5 9's of
> >> availability, 4 9's etc.for Internet data centers?  
> Specifically I'm looking
> >> for something that would say "if you want 5 9's of 
> availability, here's what
> >> you need to do", and so on.
> >
> >For 5 9s you need:
> >
> >1) Lots of money
> >2) Lots of clue
> >3) Lots of luck
> >4) Lots of balls
> >
> >You can do 4 9s with any 3 of the above.
> 
> Too true.
> 
> But you forgot to include 'halfway-clued management' - 
> without that you
> haven't got a hope in hell of even getting three 9's. ;)

Covered under 2 (above). You need clued mgmnt even to ask for it, let
alone "pay" for it. Non-clued management gets ingress filtered at the
initial cost estimate layer, for cost-estimate layers that are properly
operational.