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North American Network Operators Group

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Re: False-alarm generator

  • From: Michael.Dillon
  • Date: Fri Sep 27 09:57:38 2002

Why do ISPs want to provide free consulting advice
to debug why a government map turned red today?  If it is like Zonealarm
or Netmedic, most of the "alarms" are due to problems with the customer's

If the government map is designed properly then it won't turn red unless 
75% of the ISP maps have turned red.

In other words, a proper national or international alarming system will 
average out the data from several ISPs according to some kind of weighting 
formula so that one or two red ISPs will only contribute to a light yellow 
indicator on a national scale.

Although an aggregated flow of information from outage reports would be 
useful to a national Internet status monitoring group, it would be far 
more useful for every ISP to report a regular red-amber-or-green status. 
This is qualitative information that the national group could consolidate 
using a weighting system that rated each ISP according to how important 
their network is within the big picture. Yes, it is likely that there 
would be errors in the weighting system but as some experience is gained 
with the system, that weighting can be tuned.

As far as NANOG is concerned, we could help by setting up systems to 
report overall health according to a consistent red-amber-or-green system 
and we could help by ensuring that we do have an outage list (or high 
level stream of trouble tickets) that could be offered to a national 
status monitoring group. We could also help by suggesting the weighting 
that should be applied to various ISP networks in calculating a national 
traffic light report on Internet health.

I anyone is interested in discussing this further perhaps we could get 
together in Eugene to discuss it.

-- Michael Dillon

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