RE: WorldComm Fiber Cut????

[James Smith <jsmith () PRESIDIO com>]

Ah, but she didn't say she believed it. Just said where the data was...

Do we really need to verify what it shows? At best, it shows that they have
spotty reporting. At worst, it shows rather severe reliability problems.
Take your pick...


James H. Smith II NNCDS NNCSE
First Call Response Center
Professional Services - Network Engineer
The Presidio Corporation


> -----Original Message-----
> From: Internet Guy [mailto:internetguy205 () hotmail com]
> Sent: Monday, July 08, 2002 12:22 PM
> To: nanog () merit edu
> Subject: Re: WorldComm Fiber Cut????
>
>
>
> HHHMMM... Very interesting.  Someone who believes what a 
> carrier really 
> tells them.
>
> If you go to the MFN homepage & click on the graphs listed 
> below, then you 
> might see that possibly the data being displayed is both 
> inaccurate, as well 
> as misleading.
>
> Go to SJC OC3 Los Angeles, to OC192 SJC3 to SJC4, to OC12 
> MaeW ATM, OC48 # 2 
> for IAD to NYR, IAD # 2 to PAIX VA OC48, DCA2 to DFW2 OC48, 
> PAIX OC12 to 
> Core1.sjc, NPA - DS3 to San Jose, LGA1 OC192#2 to IAD, LGA1 
> OC48 to Chicago, 
> NYC Backbone OC192 to LGA2, NYC Backbone OC48 # 2 to 
> core3.lga1, ETC...
>
> Each one of these graphs shows abnormalities in the flow of 
> internet data, 
> such as "pits", spikes, square wave function graphs, clipping on some 
> waveforms, etc.
>
> This is not limited to MFN.  I have observed this on other 
> similiar types of 
> Sundry network data collection systems.
>
> It is not easy to see HOW BAD the problem is with these Sundry data 
> collection systems, UNTIL you expand the MRTG graph.  Once 
> this is done, 
> then you can really see how bad the integrity of the 
> collected data really 
> is.  A small MRTG graph really masks the problems associated 
> with the data 
> which is being displayed.  With a larger graph, you 
> definately see the 
> problems associated with todays Sundry systems.
>
>
> As there is no way to really verify the QUALITY or INTEGRITY 
> of the data 
> being displayed, then I submit as fact, that what is being 
> shown here is 
> really in a grey area, at best.
>
> So who really knows how correct, the data which is being 
> displayed on the 
> MFN home page is really is ?
>
> Cause with the clipping, spiking, pits, & squarewave graphs, 
> small graphing 
> scale being shown, definately, I have my doubts ...
>
> One would also wonder, that if this data collection system is 
> used by MFN to 
> generate bills for customers of MFN who are charged by the 
> Megabyte, what 
> these customers bills look like & HOW accurate these bills 
> really are...
>
> Regards,
>
> Mike Martin.
>
> > From: "Pawlukiewicz Jane" <pawlukiewicz_jane () bah com>
> > To: "nanog () merit edu" <nanog () merit edu>
> > Subject: Re: WorldComm Fiber Cut????
> > Date: Mon, 08 Jul 2002 10:52:18 -0400
> >
> >
> > MFNs status page is:
> >
> > http://www.mfn.com/network/ip_networkstatus.shtm#sjc
> >
> > Jane
> >
> > Sean Donelan wrote:
> > > On Sun, 7 Jul 2002, Gerardo A. Gregory wrote:
> > > > Can someone from WorldComm please verify a fiber cut 
> that happened 
> > today at
> > > > around 11:30 am (Central).  I have bveen informed that 
> a fiber cut in
> > > > Illinois (or Indiana) has been in effect (until just a 
> few minutes) 
> > for all
> > > > of the afternoon and most of the evening.
> > >
> > > Worldcom is reporting a problems near Chicago.  Earthlink 
> is reporting
> > > problems affecting its customers in Indiana, Illinois, 
> Iowa, Michigan,
> > > Wisconsin and Ohio.
> > >
> > > http://help.mindspring.com/netstatus/
> > > http://www.noc.uu.net/
> > >
> > > Cable & Wireless is showing delays out of Cleveland, Ohio
> > >
> > > http://sla.cw.net/
> > >
> > > AT&T and Sprint aren't reporting any problems.
> > >
> > > http://ipnetwork.bgtmo.ip.att.net/index.html
> > > http://www.sprint.net/
> > >
> > > MFN's and PSI's network status pages have stopped working 
> for me, so I
> > > don't know if they are having problems.
> > >
> > > http://www.above.net/html/techlog.txt
> > > http://www.psi.net/cgi-bin/netstatus.pl5
>
>
>
>
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