North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Worldcom fiber cut 3 strikes, your out
Worldcom has done it again, they just had a major fiber cut in IL Nathan Stratton President, NetRail,Inc. ------------------------------------------------------------------------ Phone (888)NetRail NetRail, Inc. Fax (404)522-1939 230 Peachtree Suite 500 WWW http://www.netrail.net/ Atlanta, GA 30303 ------------------------------------------------------------------------ "No king is saved by the size of his army; no warrior escapes by his great strength. - Psalm 33:16 On Fri, 18 Jul 1997, Mark Kent wrote: > Clearly the definition of tiers varies over time. I think that the > tools needed to "measure" the current tier-ness of providers are: > > a) a full bgp table (not just a full route table... if net FOO appears > behind AS3561, AS1239 and AS1 then you want all three entries). > b) a suitably large group of companies whose net access depends on how > you extract a route table from the full bgp table > c) a stopwatch > d) a phone > > The procedure is basically to eliminate an AS from getting in the > route table and timing how fast the phone rings. Then you just need a > scale, something like this > > 0 - 2 minutes: Tier 1 > 2 - 10 minutes: Tier 2 > etc. > > In some cases you can replace the stopwatch with a calendar. > > You can flesh out this methodology with extras like frequency of calls, > duration of calls, language used in the calls, whether you are threatened > or not, whether your family is threatened, etc. > > This technique has been used by some service providers > by way of their peering strategy. > > -mark >
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